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- .gitattributes +15 -35
- .gitignore +143 -0
- LICENSE.txt +21 -0
- README.md +6 -5
- app.py +307 -0
- cldm/cldm.py +442 -0
- cldm/ddim_hacked.py +318 -0
- cldm/hack.py +111 -0
- cldm/logger.py +76 -0
- cldm/model.py +28 -0
- configs/anydoor.yaml +85 -0
- configs/datasets.yaml +68 -0
- configs/demo.yaml +4 -0
- configs/inference.yaml +3 -0
- css/style.css +39 -0
- dinov2/.github/workflows/lint.yaml +39 -0
- dinov2/.gitignore +13 -0
- dinov2/CODE_OF_CONDUCT.md +80 -0
- dinov2/CONTRIBUTING.md +31 -0
- dinov2/LICENSE +400 -0
- dinov2/MODEL_CARD.md +201 -0
- dinov2/README.md +248 -0
- dinov2/conda.yaml +22 -0
- dinov2/dinov2/__init__.py +7 -0
- dinov2/dinov2/configs/__init__.py +23 -0
- dinov2/dinov2/configs/eval/vitb14_pretrain.yaml +6 -0
- dinov2/dinov2/configs/eval/vitg14_pretrain.yaml +7 -0
- dinov2/dinov2/configs/eval/vitl14_pretrain.yaml +6 -0
- dinov2/dinov2/configs/eval/vits14_pretrain.yaml +6 -0
- dinov2/dinov2/configs/ssl_default_config.yaml +115 -0
- dinov2/dinov2/configs/train/vitg14.yaml +26 -0
- dinov2/dinov2/configs/train/vitl14.yaml +26 -0
- dinov2/dinov2/configs/train/vitl16_short.yaml +6 -0
- dinov2/dinov2/data/__init__.py +11 -0
- dinov2/dinov2/data/adapters.py +32 -0
- dinov2/dinov2/data/augmentations.py +119 -0
- dinov2/dinov2/data/collate.py +50 -0
- dinov2/dinov2/data/datasets/__init__.py +8 -0
- dinov2/dinov2/data/datasets/decoders.py +40 -0
- dinov2/dinov2/data/datasets/extended.py +47 -0
- dinov2/dinov2/data/datasets/image_net.py +251 -0
- dinov2/dinov2/data/datasets/image_net_22k.py +304 -0
- dinov2/dinov2/data/loaders.py +223 -0
- dinov2/dinov2/data/masking.py +87 -0
- dinov2/dinov2/data/samplers.py +230 -0
- dinov2/dinov2/data/transforms.py +92 -0
- dinov2/dinov2/distributed/__init__.py +271 -0
- dinov2/dinov2/eval/__init__.py +5 -0
- dinov2/dinov2/eval/knn.py +404 -0
- dinov2/dinov2/eval/linear.py +625 -0
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__pycache__/
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# C extensions
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# Distribution / packaging
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.Python
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build/
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develop-eggs/
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dist/
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downloads/
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eggs/
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parts/
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*.egg
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MANIFEST
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# PyInstaller
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*.manifest
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# Installer logs
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# Unit test / coverage reports
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htmlcov/
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coverage.xml
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*.py,cover
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# Translations
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*.mo
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*.pot
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# Django stuff:
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*.log
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local_settings.py
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db.sqlite3
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# Flask stuff:
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instance/
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# PyBuilder
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target/
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# Jupyter Notebook
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# IPython
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profile_default/
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# pipenv
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# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
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# However, in case of collaboration, if having platform-specific dependencies or dependencies
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# having no cross-platform support, pipenv may install dependencies that don't work, or not
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# install all needed dependencies.
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dmypy.json
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LICENSE.txt
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MIT License
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Copyright (c) 2023 DAMO Vision Intelligence Lab
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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README.md
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---
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-
title:
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emoji:
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colorFrom:
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sdk: gradio
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sdk_version:
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app_file: app.py
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pinned: false
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---
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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---
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title: AnyDoor Online
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emoji: 👁
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colorFrom: green
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colorTo: blue
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sdk: gradio
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sdk_version: 3.50.2
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app_file: app.py
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pinned: false
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license: apache-2.0
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---
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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app.py
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|
1 |
+
import os
|
2 |
+
import sys
|
3 |
+
#sys.path.append('.')
|
4 |
+
import cv2
|
5 |
+
import einops
|
6 |
+
import numpy as np
|
7 |
+
import torch
|
8 |
+
import random
|
9 |
+
import gradio as gr
|
10 |
+
import albumentations as A
|
11 |
+
from PIL import Image
|
12 |
+
import torchvision.transforms as T
|
13 |
+
from mydatasets.data_utils import *
|
14 |
+
from cldm.model import create_model, load_state_dict
|
15 |
+
from cldm.ddim_hacked import DDIMSampler
|
16 |
+
from omegaconf import OmegaConf
|
17 |
+
from cldm.hack import disable_verbosity, enable_sliced_attention
|
18 |
+
from huggingface_hub import snapshot_download
|
19 |
+
|
20 |
+
|
21 |
+
snapshot_download(repo_id="xichenhku/AnyDoor_models", local_dir="./AnyDoor_models")
|
22 |
+
snapshot_download(repo_id="xichenhku/mask_refine", local_dir="./mask_refine")
|
23 |
+
|
24 |
+
cv2.setNumThreads(0)
|
25 |
+
cv2.ocl.setUseOpenCL(False)
|
26 |
+
|
27 |
+
save_memory = False
|
28 |
+
disable_verbosity()
|
29 |
+
if save_memory:
|
30 |
+
enable_sliced_attention()
|
31 |
+
|
32 |
+
|
33 |
+
config = OmegaConf.load('./configs/demo.yaml')
|
34 |
+
model_ckpt = config.pretrained_model
|
35 |
+
model_config = config.config_file
|
36 |
+
use_interactive_seg = config.config_file
|
37 |
+
|
38 |
+
|
39 |
+
model = create_model(model_config ).cpu()
|
40 |
+
model.load_state_dict(load_state_dict(model_ckpt, location='cuda'))
|
41 |
+
model = model.cuda()
|
42 |
+
ddim_sampler = DDIMSampler(model)
|
43 |
+
|
44 |
+
if use_interactive_seg:
|
45 |
+
from iseg.coarse_mask_refine_util import BaselineModel
|
46 |
+
model_path = './mask_refine/coarse_mask_refine.pth'
|
47 |
+
iseg_model = BaselineModel().eval()
|
48 |
+
weights = torch.load(model_path , map_location='cpu')['state_dict']
|
49 |
+
iseg_model.load_state_dict(weights, strict= True)
|
50 |
+
|
51 |
+
|
52 |
+
def crop_back( pred, tar_image, extra_sizes, tar_box_yyxx_crop):
|
53 |
+
H1, W1, H2, W2 = extra_sizes
|
54 |
+
y1,y2,x1,x2 = tar_box_yyxx_crop
|
55 |
+
pred = cv2.resize(pred, (W2, H2))
|
56 |
+
m = 3 # maigin_pixel
|
57 |
+
|
58 |
+
if W1 == H1:
|
59 |
+
tar_image[y1+m :y2-m, x1+m:x2-m, :] = pred[m:-m, m:-m]
|
60 |
+
return tar_image
|
61 |
+
|
62 |
+
if W1 < W2:
|
63 |
+
pad1 = int((W2 - W1) / 2)
|
64 |
+
pad2 = W2 - W1 - pad1
|
65 |
+
pred = pred[:,pad1: -pad2, :]
|
66 |
+
else:
|
67 |
+
pad1 = int((H2 - H1) / 2)
|
68 |
+
pad2 = H2 - H1 - pad1
|
69 |
+
pred = pred[pad1: -pad2, :, :]
|
70 |
+
tar_image[y1+m :y2-m, x1+m:x2-m, :] = pred[m:-m, m:-m]
|
71 |
+
return tar_image
|
72 |
+
|
73 |
+
|
74 |
+
def inference_single_image(ref_image,
|
75 |
+
ref_mask,
|
76 |
+
tar_image,
|
77 |
+
tar_mask,
|
78 |
+
strength,
|
79 |
+
ddim_steps,
|
80 |
+
scale,
|
81 |
+
seed,
|
82 |
+
enable_shape_control
|
83 |
+
):
|
84 |
+
raw_background = tar_image.copy()
|
85 |
+
item = process_pairs(ref_image, ref_mask, tar_image, tar_mask, enable_shape_control = enable_shape_control)
|
86 |
+
|
87 |
+
ref = item['ref']
|
88 |
+
hint = item['hint']
|
89 |
+
num_samples = 1
|
90 |
+
|
91 |
+
control = torch.from_numpy(hint.copy()).float().cuda()
|
92 |
+
control = torch.stack([control for _ in range(num_samples)], dim=0)
|
93 |
+
control = einops.rearrange(control, 'b h w c -> b c h w').clone()
|
94 |
+
|
95 |
+
|
96 |
+
clip_input = torch.from_numpy(ref.copy()).float().cuda()
|
97 |
+
clip_input = torch.stack([clip_input for _ in range(num_samples)], dim=0)
|
98 |
+
clip_input = einops.rearrange(clip_input, 'b h w c -> b c h w').clone()
|
99 |
+
|
100 |
+
H,W = 512,512
|
101 |
+
|
102 |
+
cond = {"c_concat": [control], "c_crossattn": [model.get_learned_conditioning( clip_input )]}
|
103 |
+
un_cond = {"c_concat": [control],
|
104 |
+
"c_crossattn": [model.get_learned_conditioning([torch.zeros((1,3,224,224))] * num_samples)]}
|
105 |
+
shape = (4, H // 8, W // 8)
|
106 |
+
|
107 |
+
if save_memory:
|
108 |
+
model.low_vram_shift(is_diffusing=True)
|
109 |
+
|
110 |
+
model.control_scales = ([strength] * 13)
|
111 |
+
samples, _ = ddim_sampler.sample(ddim_steps, num_samples,
|
112 |
+
shape, cond, verbose=False, eta=0,
|
113 |
+
unconditional_guidance_scale=scale,
|
114 |
+
unconditional_conditioning=un_cond)
|
115 |
+
|
116 |
+
if save_memory:
|
117 |
+
model.low_vram_shift(is_diffusing=False)
|
118 |
+
|
119 |
+
x_samples = model.decode_first_stage(samples)
|
120 |
+
x_samples = (einops.rearrange(x_samples, 'b c h w -> b h w c') * 127.5 + 127.5).cpu().numpy()
|
121 |
+
|
122 |
+
result = x_samples[0][:,:,::-1]
|
123 |
+
result = np.clip(result,0,255)
|
124 |
+
|
125 |
+
pred = x_samples[0]
|
126 |
+
pred = np.clip(pred,0,255)[1:,:,:]
|
127 |
+
sizes = item['extra_sizes']
|
128 |
+
tar_box_yyxx_crop = item['tar_box_yyxx_crop']
|
129 |
+
tar_image = crop_back(pred, tar_image, sizes, tar_box_yyxx_crop)
|
130 |
+
|
131 |
+
# keep background unchanged
|
132 |
+
y1,y2,x1,x2 = item['tar_box_yyxx']
|
133 |
+
raw_background[y1:y2, x1:x2, :] = tar_image[y1:y2, x1:x2, :]
|
134 |
+
return raw_background
|
135 |
+
|
136 |
+
|
137 |
+
def process_pairs(ref_image, ref_mask, tar_image, tar_mask, max_ratio = 0.8, enable_shape_control = False):
|
138 |
+
# ========= Reference ===========
|
139 |
+
# ref expand
|
140 |
+
ref_box_yyxx = get_bbox_from_mask(ref_mask)
|
141 |
+
|
142 |
+
# ref filter mask
|
143 |
+
ref_mask_3 = np.stack([ref_mask,ref_mask,ref_mask],-1)
|
144 |
+
masked_ref_image = ref_image * ref_mask_3 + np.ones_like(ref_image) * 255 * (1-ref_mask_3)
|
145 |
+
|
146 |
+
y1,y2,x1,x2 = ref_box_yyxx
|
147 |
+
masked_ref_image = masked_ref_image[y1:y2,x1:x2,:]
|
148 |
+
ref_mask = ref_mask[y1:y2,x1:x2]
|
149 |
+
|
150 |
+
ratio = np.random.randint(11, 15) / 10 #11,13
|
151 |
+
masked_ref_image, ref_mask = expand_image_mask(masked_ref_image, ref_mask, ratio=ratio)
|
152 |
+
ref_mask_3 = np.stack([ref_mask,ref_mask,ref_mask],-1)
|
153 |
+
|
154 |
+
# to square and resize
|
155 |
+
masked_ref_image = pad_to_square(masked_ref_image, pad_value = 255, random = False)
|
156 |
+
masked_ref_image = cv2.resize(masked_ref_image.astype(np.uint8), (224,224) ).astype(np.uint8)
|
157 |
+
|
158 |
+
ref_mask_3 = pad_to_square(ref_mask_3 * 255, pad_value = 0, random = False)
|
159 |
+
ref_mask_3 = cv2.resize(ref_mask_3.astype(np.uint8), (224,224) ).astype(np.uint8)
|
160 |
+
ref_mask = ref_mask_3[:,:,0]
|
161 |
+
|
162 |
+
# collage aug
|
163 |
+
masked_ref_image_compose, ref_mask_compose = masked_ref_image, ref_mask
|
164 |
+
ref_mask_3 = np.stack([ref_mask_compose,ref_mask_compose,ref_mask_compose],-1)
|
165 |
+
ref_image_collage = sobel(masked_ref_image_compose, ref_mask_compose/255)
|
166 |
+
|
167 |
+
# ========= Target ===========
|
168 |
+
tar_box_yyxx = get_bbox_from_mask(tar_mask)
|
169 |
+
tar_box_yyxx = expand_bbox(tar_mask, tar_box_yyxx, ratio=[1.1,1.2]) #1.1 1.3
|
170 |
+
tar_box_yyxx_full = tar_box_yyxx
|
171 |
+
|
172 |
+
# crop
|
173 |
+
tar_box_yyxx_crop = expand_bbox(tar_image, tar_box_yyxx, ratio=[1.3, 3.0])
|
174 |
+
tar_box_yyxx_crop = box2squre(tar_image, tar_box_yyxx_crop) # crop box
|
175 |
+
y1,y2,x1,x2 = tar_box_yyxx_crop
|
176 |
+
|
177 |
+
cropped_target_image = tar_image[y1:y2,x1:x2,:]
|
178 |
+
cropped_tar_mask = tar_mask[y1:y2,x1:x2]
|
179 |
+
|
180 |
+
tar_box_yyxx = box_in_box(tar_box_yyxx, tar_box_yyxx_crop)
|
181 |
+
y1,y2,x1,x2 = tar_box_yyxx
|
182 |
+
|
183 |
+
# collage
|
184 |
+
ref_image_collage = cv2.resize(ref_image_collage.astype(np.uint8), (x2-x1, y2-y1))
|
185 |
+
ref_mask_compose = cv2.resize(ref_mask_compose.astype(np.uint8), (x2-x1, y2-y1))
|
186 |
+
ref_mask_compose = (ref_mask_compose > 128).astype(np.uint8)
|
187 |
+
|
188 |
+
collage = cropped_target_image.copy()
|
189 |
+
collage[y1:y2,x1:x2,:] = ref_image_collage
|
190 |
+
|
191 |
+
collage_mask = cropped_target_image.copy() * 0.0
|
192 |
+
collage_mask[y1:y2,x1:x2,:] = 1.0
|
193 |
+
if enable_shape_control:
|
194 |
+
collage_mask = np.stack([cropped_tar_mask,cropped_tar_mask,cropped_tar_mask],-1)
|
195 |
+
|
196 |
+
# the size before pad
|
197 |
+
H1, W1 = collage.shape[0], collage.shape[1]
|
198 |
+
|
199 |
+
cropped_target_image = pad_to_square(cropped_target_image, pad_value = 0, random = False).astype(np.uint8)
|
200 |
+
collage = pad_to_square(collage, pad_value = 0, random = False).astype(np.uint8)
|
201 |
+
collage_mask = pad_to_square(collage_mask, pad_value = 2, random = False).astype(np.uint8)
|
202 |
+
|
203 |
+
# the size after pad
|
204 |
+
H2, W2 = collage.shape[0], collage.shape[1]
|
205 |
+
|
206 |
+
cropped_target_image = cv2.resize(cropped_target_image.astype(np.uint8), (512,512)).astype(np.float32)
|
207 |
+
collage = cv2.resize(collage.astype(np.uint8), (512,512)).astype(np.float32)
|
208 |
+
collage_mask = cv2.resize(collage_mask.astype(np.uint8), (512,512), interpolation = cv2.INTER_NEAREST).astype(np.float32)
|
209 |
+
collage_mask[collage_mask == 2] = -1
|
210 |
+
|
211 |
+
masked_ref_image = masked_ref_image / 255
|
212 |
+
cropped_target_image = cropped_target_image / 127.5 - 1.0
|
213 |
+
collage = collage / 127.5 - 1.0
|
214 |
+
collage = np.concatenate([collage, collage_mask[:,:,:1] ] , -1)
|
215 |
+
|
216 |
+
item = dict(ref=masked_ref_image.copy(), jpg=cropped_target_image.copy(), hint=collage.copy(),
|
217 |
+
extra_sizes=np.array([H1, W1, H2, W2]),
|
218 |
+
tar_box_yyxx_crop=np.array( tar_box_yyxx_crop ),
|
219 |
+
tar_box_yyxx=np.array(tar_box_yyxx_full),
|
220 |
+
)
|
221 |
+
return item
|
222 |
+
|
223 |
+
|
224 |
+
ref_dir='./examples/Gradio/FG'
|
225 |
+
image_dir='./examples/Gradio/BG'
|
226 |
+
ref_list=[os.path.join(ref_dir,file) for file in os.listdir(ref_dir) if '.jpg' in file or '.png' in file or '.jpeg' in file ]
|
227 |
+
ref_list.sort()
|
228 |
+
image_list=[os.path.join(image_dir,file) for file in os.listdir(image_dir) if '.jpg' in file or '.png' in file or '.jpeg' in file]
|
229 |
+
image_list.sort()
|
230 |
+
|
231 |
+
def mask_image(image, mask):
|
232 |
+
blanc = np.ones_like(image) * 255
|
233 |
+
mask = np.stack([mask,mask,mask],-1) / 255
|
234 |
+
masked_image = mask * ( 0.5 * blanc + 0.5 * image) + (1-mask) * image
|
235 |
+
return masked_image.astype(np.uint8)
|
236 |
+
|
237 |
+
def run_local(base,
|
238 |
+
ref,
|
239 |
+
*args):
|
240 |
+
image = base["image"].convert("RGB")
|
241 |
+
mask = base["mask"].convert("L")
|
242 |
+
ref_image = ref["image"].convert("RGB")
|
243 |
+
ref_mask = ref["mask"].convert("L")
|
244 |
+
image = np.asarray(image)
|
245 |
+
mask = np.asarray(mask)
|
246 |
+
mask = np.where(mask > 128, 1, 0).astype(np.uint8)
|
247 |
+
ref_image = np.asarray(ref_image)
|
248 |
+
ref_mask = np.asarray(ref_mask)
|
249 |
+
ref_mask = np.where(ref_mask > 128, 1, 0).astype(np.uint8)
|
250 |
+
|
251 |
+
synthesis = inference_single_image(ref_image.copy(), ref_mask.copy(), image.copy(), mask.copy(), *args)
|
252 |
+
synthesis = torch.from_numpy(synthesis).permute(2, 0, 1)
|
253 |
+
synthesis = synthesis.permute(1, 2, 0).numpy()
|
254 |
+
return [synthesis]
|
255 |
+
|
256 |
+
|
257 |
+
demo = gr.Blocks(
|
258 |
+
css="css/style.css"
|
259 |
+
)
|
260 |
+
|
261 |
+
with demo:
|
262 |
+
with gr.Column():
|
263 |
+
# gr.Markdown("# Play with AnyDoor to Teleport your Target Objects! ")
|
264 |
+
|
265 |
+
gr.Markdown("# Télécharger / sélectionner des images pour l'arrière-plan (à gauche) et l'objet de référence (à droite)")
|
266 |
+
# gr.Markdown("### You could draw coarse masks on the background to indicate the desired location and shape.")
|
267 |
+
# gr.Markdown("### <u>Do not forget</u> to annotate the target object on the reference image.")
|
268 |
+
with gr.Row():
|
269 |
+
base = gr.Image(label="Arrière-plan", source="upload", tool="sketch", type="pil", height=512, brush_color='#FFFFFF', mask_opacity=0.5)
|
270 |
+
ref = gr.Image(label="Référence", source="upload", tool="sketch", type="pil", height=512, brush_color='#FFFFFF', mask_opacity=0.5)
|
271 |
+
with gr.Row():
|
272 |
+
with gr.Column():
|
273 |
+
gr.Examples(image_list, inputs=[base],label="Exemples - Image d'arrière-plan",examples_per_page=16)
|
274 |
+
with gr.Column():
|
275 |
+
gr.Examples(ref_list, inputs=[ref],label="Exemples - Objet de référence",examples_per_page=16)
|
276 |
+
run_local_button = gr.Button(label="Generate", value="Exécuter")
|
277 |
+
|
278 |
+
with gr.Row():
|
279 |
+
baseline_gallery = gr.Gallery(label='Sortie', show_label=True, elem_id="gallery", columns=1, height=768)
|
280 |
+
with gr.Accordion("Advanced Option", open=False):
|
281 |
+
num_samples = 1
|
282 |
+
strength = gr.Slider(label="Control Strength", minimum=0.0, maximum=2.0, value=1.0, step=0.01)
|
283 |
+
ddim_steps = gr.Slider(label="Steps", minimum=1, maximum=100, value=30, step=1)
|
284 |
+
scale = gr.Slider(label="Guidance Scale", minimum=0.1, maximum=30.0, value=4.5, step=0.1)
|
285 |
+
seed = gr.Slider(label="Seed", minimum=-1, maximum=999999999, step=1, value=-1)
|
286 |
+
reference_mask_refine = gr.Checkbox(label='Reference Mask Refine', value=True, interactive = True)
|
287 |
+
enable_shape_control = gr.Checkbox(label='Enable Shape Control', value=False, interactive = True)
|
288 |
+
|
289 |
+
gr.Markdown("### Guidelines")
|
290 |
+
gr.Markdown(" Higher guidance-scale makes higher fidelity, while lower one makes more harmonized blending.")
|
291 |
+
gr.Markdown(" Users should annotate the mask of the target object, too coarse mask would lead to bad generation.\
|
292 |
+
Reference Mask Refine provides a segmentation model to refine the coarse mask. ")
|
293 |
+
gr.Markdown(" Enable shape control means the generation results would consider user-drawn masks to control the shape & pose; otherwise it \
|
294 |
+
considers the location and size to adjust automatically.")
|
295 |
+
|
296 |
+
run_local_button.click(fn=run_local,
|
297 |
+
inputs=[base,
|
298 |
+
ref,
|
299 |
+
strength,
|
300 |
+
ddim_steps,
|
301 |
+
scale,
|
302 |
+
seed,
|
303 |
+
enable_shape_control,
|
304 |
+
],
|
305 |
+
outputs=[baseline_gallery]
|
306 |
+
)
|
307 |
+
demo.launch()
|
cldm/cldm.py
ADDED
@@ -0,0 +1,442 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
1 |
+
import einops
|
2 |
+
import torch
|
3 |
+
import torch as th
|
4 |
+
import torch.nn as nn
|
5 |
+
import torch.nn.functional as F
|
6 |
+
from ldm.modules.diffusionmodules.util import (
|
7 |
+
conv_nd,
|
8 |
+
linear,
|
9 |
+
zero_module,
|
10 |
+
timestep_embedding,
|
11 |
+
)
|
12 |
+
from einops import rearrange, repeat
|
13 |
+
from torchvision.utils import make_grid
|
14 |
+
from ldm.modules.attention import SpatialTransformer
|
15 |
+
from ldm.modules.diffusionmodules.openaimodel import UNetModel, TimestepEmbedSequential, ResBlock, Downsample, AttentionBlock
|
16 |
+
from ldm.models.diffusion.ddpm import LatentDiffusion
|
17 |
+
from ldm.util import log_txt_as_img, exists, instantiate_from_config
|
18 |
+
from ldm.models.diffusion.ddim import DDIMSampler
|
19 |
+
|
20 |
+
|
21 |
+
class ControlledUnetModel(UNetModel):
|
22 |
+
def forward(self, x, timesteps=None, context=None, control=None, only_mid_control=False, **kwargs):
|
23 |
+
hs = []
|
24 |
+
with torch.no_grad():
|
25 |
+
t_emb = timestep_embedding(timesteps, self.model_channels, repeat_only=False)
|
26 |
+
emb = self.time_embed(t_emb)
|
27 |
+
h = x.type(self.dtype)
|
28 |
+
for module in self.input_blocks:
|
29 |
+
h = module(h, emb, context)
|
30 |
+
hs.append(h)
|
31 |
+
h = self.middle_block(h, emb, context)
|
32 |
+
|
33 |
+
if control is not None:
|
34 |
+
h += control.pop()
|
35 |
+
|
36 |
+
for i, module in enumerate(self.output_blocks):
|
37 |
+
if only_mid_control or control is None:
|
38 |
+
h = torch.cat([h, hs.pop()], dim=1)
|
39 |
+
else:
|
40 |
+
h = torch.cat([h, hs.pop() + control.pop()], dim=1)
|
41 |
+
h = module(h, emb, context)
|
42 |
+
|
43 |
+
h = h.type(x.dtype)
|
44 |
+
return self.out(h)
|
45 |
+
|
46 |
+
|
47 |
+
class ControlNet(nn.Module):
|
48 |
+
def __init__(
|
49 |
+
self,
|
50 |
+
image_size,
|
51 |
+
in_channels,
|
52 |
+
model_channels,
|
53 |
+
hint_channels,
|
54 |
+
num_res_blocks,
|
55 |
+
attention_resolutions,
|
56 |
+
dropout=0,
|
57 |
+
channel_mult=(1, 2, 4, 8),
|
58 |
+
conv_resample=True,
|
59 |
+
dims=2,
|
60 |
+
use_checkpoint=False,
|
61 |
+
use_fp16=False,
|
62 |
+
num_heads=-1,
|
63 |
+
num_head_channels=-1,
|
64 |
+
num_heads_upsample=-1,
|
65 |
+
use_scale_shift_norm=False,
|
66 |
+
resblock_updown=False,
|
67 |
+
use_new_attention_order=False,
|
68 |
+
use_spatial_transformer=False, # custom transformer support
|
69 |
+
transformer_depth=1, # custom transformer support
|
70 |
+
context_dim=None, # custom transformer support
|
71 |
+
n_embed=None, # custom support for prediction of discrete ids into codebook of first stage vq model
|
72 |
+
legacy=True,
|
73 |
+
disable_self_attentions=None,
|
74 |
+
num_attention_blocks=None,
|
75 |
+
disable_middle_self_attn=False,
|
76 |
+
use_linear_in_transformer=False,
|
77 |
+
):
|
78 |
+
super().__init__()
|
79 |
+
if use_spatial_transformer:
|
80 |
+
assert context_dim is not None, 'Fool!! You forgot to include the dimension of your cross-attention conditioning...'
|
81 |
+
|
82 |
+
if context_dim is not None:
|
83 |
+
assert use_spatial_transformer, 'Fool!! You forgot to use the spatial transformer for your cross-attention conditioning...'
|
84 |
+
from omegaconf.listconfig import ListConfig
|
85 |
+
if type(context_dim) == ListConfig:
|
86 |
+
context_dim = list(context_dim)
|
87 |
+
|
88 |
+
if num_heads_upsample == -1:
|
89 |
+
num_heads_upsample = num_heads
|
90 |
+
|
91 |
+
if num_heads == -1:
|
92 |
+
assert num_head_channels != -1, 'Either num_heads or num_head_channels has to be set'
|
93 |
+
|
94 |
+
if num_head_channels == -1:
|
95 |
+
assert num_heads != -1, 'Either num_heads or num_head_channels has to be set'
|
96 |
+
|
97 |
+
self.dims = dims
|
98 |
+
self.image_size = image_size
|
99 |
+
self.in_channels = in_channels
|
100 |
+
self.model_channels = model_channels
|
101 |
+
if isinstance(num_res_blocks, int):
|
102 |
+
self.num_res_blocks = len(channel_mult) * [num_res_blocks]
|
103 |
+
else:
|
104 |
+
if len(num_res_blocks) != len(channel_mult):
|
105 |
+
raise ValueError("provide num_res_blocks either as an int (globally constant) or "
|
106 |
+
"as a list/tuple (per-level) with the same length as channel_mult")
|
107 |
+
self.num_res_blocks = num_res_blocks
|
108 |
+
if disable_self_attentions is not None:
|
109 |
+
# should be a list of booleans, indicating whether to disable self-attention in TransformerBlocks or not
|
110 |
+
assert len(disable_self_attentions) == len(channel_mult)
|
111 |
+
if num_attention_blocks is not None:
|
112 |
+
assert len(num_attention_blocks) == len(self.num_res_blocks)
|
113 |
+
assert all(map(lambda i: self.num_res_blocks[i] >= num_attention_blocks[i], range(len(num_attention_blocks))))
|
114 |
+
print(f"Constructor of UNetModel received num_attention_blocks={num_attention_blocks}. "
|
115 |
+
f"This option has LESS priority than attention_resolutions {attention_resolutions}, "
|
116 |
+
f"i.e., in cases where num_attention_blocks[i] > 0 but 2**i not in attention_resolutions, "
|
117 |
+
f"attention will still not be set.")
|
118 |
+
|
119 |
+
self.attention_resolutions = attention_resolutions
|
120 |
+
self.dropout = dropout
|
121 |
+
self.channel_mult = channel_mult
|
122 |
+
self.conv_resample = conv_resample
|
123 |
+
self.use_checkpoint = use_checkpoint
|
124 |
+
self.dtype = th.float16 if use_fp16 else th.float32
|
125 |
+
self.num_heads = num_heads
|
126 |
+
self.num_head_channels = num_head_channels
|
127 |
+
self.num_heads_upsample = num_heads_upsample
|
128 |
+
self.predict_codebook_ids = n_embed is not None
|
129 |
+
|
130 |
+
time_embed_dim = model_channels * 4
|
131 |
+
self.time_embed = nn.Sequential(
|
132 |
+
linear(model_channels, time_embed_dim),
|
133 |
+
nn.SiLU(),
|
134 |
+
linear(time_embed_dim, time_embed_dim),
|
135 |
+
)
|
136 |
+
|
137 |
+
self.input_blocks = nn.ModuleList(
|
138 |
+
[
|
139 |
+
TimestepEmbedSequential(
|
140 |
+
conv_nd(dims, in_channels, model_channels, 3, padding=1)
|
141 |
+
)
|
142 |
+
]
|
143 |
+
)
|
144 |
+
self.zero_convs = nn.ModuleList([self.make_zero_conv(model_channels)])
|
145 |
+
|
146 |
+
self.input_hint_block = TimestepEmbedSequential(
|
147 |
+
conv_nd(dims, hint_channels, 16, 3, padding=1),
|
148 |
+
nn.SiLU(),
|
149 |
+
conv_nd(dims, 16, 16, 3, padding=1),
|
150 |
+
nn.SiLU(),
|
151 |
+
conv_nd(dims, 16, 32, 3, padding=1, stride=2),
|
152 |
+
nn.SiLU(),
|
153 |
+
conv_nd(dims, 32, 32, 3, padding=1),
|
154 |
+
nn.SiLU(),
|
155 |
+
conv_nd(dims, 32, 96, 3, padding=1, stride=2),
|
156 |
+
nn.SiLU(),
|
157 |
+
conv_nd(dims, 96, 96, 3, padding=1),
|
158 |
+
nn.SiLU(),
|
159 |
+
conv_nd(dims, 96, 256, 3, padding=1, stride=2),
|
160 |
+
nn.SiLU(),
|
161 |
+
zero_module(conv_nd(dims, 256, model_channels, 3, padding=1))
|
162 |
+
)
|
163 |
+
|
164 |
+
self._feature_size = model_channels
|
165 |
+
input_block_chans = [model_channels]
|
166 |
+
ch = model_channels
|
167 |
+
ds = 1
|
168 |
+
for level, mult in enumerate(channel_mult):
|
169 |
+
for nr in range(self.num_res_blocks[level]):
|
170 |
+
layers = [
|
171 |
+
ResBlock(
|
172 |
+
ch,
|
173 |
+
time_embed_dim,
|
174 |
+
dropout,
|
175 |
+
out_channels=mult * model_channels,
|
176 |
+
dims=dims,
|
177 |
+
use_checkpoint=use_checkpoint,
|
178 |
+
use_scale_shift_norm=use_scale_shift_norm,
|
179 |
+
)
|
180 |
+
]
|
181 |
+
ch = mult * model_channels
|
182 |
+
if ds in attention_resolutions:
|
183 |
+
if num_head_channels == -1:
|
184 |
+
dim_head = ch // num_heads
|
185 |
+
else:
|
186 |
+
num_heads = ch // num_head_channels
|
187 |
+
dim_head = num_head_channels
|
188 |
+
if legacy:
|
189 |
+
# num_heads = 1
|
190 |
+
dim_head = ch // num_heads if use_spatial_transformer else num_head_channels
|
191 |
+
if exists(disable_self_attentions):
|
192 |
+
disabled_sa = disable_self_attentions[level]
|
193 |
+
else:
|
194 |
+
disabled_sa = False
|
195 |
+
|
196 |
+
if not exists(num_attention_blocks) or nr < num_attention_blocks[level]:
|
197 |
+
layers.append(
|
198 |
+
AttentionBlock(
|
199 |
+
ch,
|
200 |
+
use_checkpoint=use_checkpoint,
|
201 |
+
num_heads=num_heads,
|
202 |
+
num_head_channels=dim_head,
|
203 |
+
use_new_attention_order=use_new_attention_order,
|
204 |
+
) if not use_spatial_transformer else SpatialTransformer(
|
205 |
+
ch, num_heads, dim_head, depth=transformer_depth, context_dim=context_dim,
|
206 |
+
disable_self_attn=disabled_sa, use_linear=use_linear_in_transformer,
|
207 |
+
use_checkpoint=use_checkpoint
|
208 |
+
)
|
209 |
+
)
|
210 |
+
self.input_blocks.append(TimestepEmbedSequential(*layers))
|
211 |
+
self.zero_convs.append(self.make_zero_conv(ch))
|
212 |
+
self._feature_size += ch
|
213 |
+
input_block_chans.append(ch)
|
214 |
+
if level != len(channel_mult) - 1:
|
215 |
+
out_ch = ch
|
216 |
+
self.input_blocks.append(
|
217 |
+
TimestepEmbedSequential(
|
218 |
+
ResBlock(
|
219 |
+
ch,
|
220 |
+
time_embed_dim,
|
221 |
+
dropout,
|
222 |
+
out_channels=out_ch,
|
223 |
+
dims=dims,
|
224 |
+
use_checkpoint=use_checkpoint,
|
225 |
+
use_scale_shift_norm=use_scale_shift_norm,
|
226 |
+
down=True,
|
227 |
+
)
|
228 |
+
if resblock_updown
|
229 |
+
else Downsample(
|
230 |
+
ch, conv_resample, dims=dims, out_channels=out_ch
|
231 |
+
)
|
232 |
+
)
|
233 |
+
)
|
234 |
+
ch = out_ch
|
235 |
+
input_block_chans.append(ch)
|
236 |
+
self.zero_convs.append(self.make_zero_conv(ch))
|
237 |
+
ds *= 2
|
238 |
+
self._feature_size += ch
|
239 |
+
|
240 |
+
if num_head_channels == -1:
|
241 |
+
dim_head = ch // num_heads
|
242 |
+
else:
|
243 |
+
num_heads = ch // num_head_channels
|
244 |
+
dim_head = num_head_channels
|
245 |
+
if legacy:
|
246 |
+
# num_heads = 1
|
247 |
+
dim_head = ch // num_heads if use_spatial_transformer else num_head_channels
|
248 |
+
self.middle_block = TimestepEmbedSequential(
|
249 |
+
ResBlock(
|
250 |
+
ch,
|
251 |
+
time_embed_dim,
|
252 |
+
dropout,
|
253 |
+
dims=dims,
|
254 |
+
use_checkpoint=use_checkpoint,
|
255 |
+
use_scale_shift_norm=use_scale_shift_norm,
|
256 |
+
),
|
257 |
+
AttentionBlock(
|
258 |
+
ch,
|
259 |
+
use_checkpoint=use_checkpoint,
|
260 |
+
num_heads=num_heads,
|
261 |
+
num_head_channels=dim_head,
|
262 |
+
use_new_attention_order=use_new_attention_order,
|
263 |
+
) if not use_spatial_transformer else SpatialTransformer( # always uses a self-attn
|
264 |
+
ch, num_heads, dim_head, depth=transformer_depth, context_dim=context_dim,
|
265 |
+
disable_self_attn=disable_middle_self_attn, use_linear=use_linear_in_transformer,
|
266 |
+
use_checkpoint=use_checkpoint
|
267 |
+
),
|
268 |
+
ResBlock(
|
269 |
+
ch,
|
270 |
+
time_embed_dim,
|
271 |
+
dropout,
|
272 |
+
dims=dims,
|
273 |
+
use_checkpoint=use_checkpoint,
|
274 |
+
use_scale_shift_norm=use_scale_shift_norm,
|
275 |
+
),
|
276 |
+
)
|
277 |
+
self.middle_block_out = self.make_zero_conv(ch)
|
278 |
+
self._feature_size += ch
|
279 |
+
|
280 |
+
def make_zero_conv(self, channels):
|
281 |
+
return TimestepEmbedSequential(zero_module(conv_nd(self.dims, channels, channels, 1, padding=0)))
|
282 |
+
|
283 |
+
def forward(self, x, hint, timesteps, context, **kwargs):
|
284 |
+
t_emb = timestep_embedding(timesteps, self.model_channels, repeat_only=False)
|
285 |
+
emb = self.time_embed(t_emb) # 1,1280
|
286 |
+
|
287 |
+
# 1,320,64,64
|
288 |
+
guided_hint = self.input_hint_block(hint, emb, context)
|
289 |
+
outs = []
|
290 |
+
|
291 |
+
h = x.type(self.dtype)
|
292 |
+
for module, zero_conv in zip(self.input_blocks, self.zero_convs):
|
293 |
+
if guided_hint is not None:
|
294 |
+
# skip the first layer
|
295 |
+
h = guided_hint
|
296 |
+
guided_hint = None
|
297 |
+
else:
|
298 |
+
h_new = module(h, emb, context)
|
299 |
+
h = h_new
|
300 |
+
outs.append(zero_conv(h, emb, context))
|
301 |
+
|
302 |
+
h_new = self.middle_block(h, emb, context)
|
303 |
+
outs.append(self.middle_block_out(h_new, emb, context))
|
304 |
+
return outs
|
305 |
+
|
306 |
+
|
307 |
+
class ControlLDM(LatentDiffusion):
|
308 |
+
|
309 |
+
def __init__(self, control_stage_config, control_key, only_mid_control, *args, **kwargs):
|
310 |
+
super().__init__(*args, **kwargs)
|
311 |
+
self.control_model = instantiate_from_config(control_stage_config)
|
312 |
+
self.control_key = control_key
|
313 |
+
self.only_mid_control = only_mid_control
|
314 |
+
self.control_scales = [1.0] * 13
|
315 |
+
|
316 |
+
@torch.no_grad()
|
317 |
+
def get_input(self, batch, k, bs=None, *args, **kwargs):
|
318 |
+
x, c = super().get_input(batch, self.first_stage_key, *args, **kwargs)
|
319 |
+
control = batch[self.control_key]
|
320 |
+
if bs is not None:
|
321 |
+
control = control[:bs]
|
322 |
+
control = control.to(self.device)
|
323 |
+
control = einops.rearrange(control, 'b h w c -> b c h w')
|
324 |
+
control = control.to(memory_format=torch.contiguous_format).float()
|
325 |
+
self.time_steps = batch['time_steps']
|
326 |
+
return x, dict(c_crossattn=[c], c_concat=[control])
|
327 |
+
|
328 |
+
def apply_model(self, x_noisy, t, cond, *args, **kwargs):
|
329 |
+
assert isinstance(cond, dict)
|
330 |
+
diffusion_model = self.model.diffusion_model
|
331 |
+
|
332 |
+
cond_txt = torch.cat(cond['c_crossattn'], 1)
|
333 |
+
|
334 |
+
if cond['c_concat'] is None:
|
335 |
+
eps = diffusion_model(x=x_noisy, timesteps=t, context=cond_txt, control=None, only_mid_control=self.only_mid_control)
|
336 |
+
else:
|
337 |
+
control = self.control_model(x=x_noisy, hint=torch.cat(cond['c_concat'], 1), timesteps=t, context=cond_txt)
|
338 |
+
control = [c * scale for c, scale in zip(control, self.control_scales)]
|
339 |
+
eps = diffusion_model(x=x_noisy, timesteps=t, context=cond_txt, control=control, only_mid_control=self.only_mid_control)
|
340 |
+
return eps
|
341 |
+
|
342 |
+
@torch.no_grad()
|
343 |
+
def get_unconditional_conditioning(self, N):
|
344 |
+
uncond = self.get_learned_conditioning([ torch.zeros((1,3,224,224)) ] * N)
|
345 |
+
return uncond
|
346 |
+
|
347 |
+
@torch.no_grad()
|
348 |
+
def log_images(self, batch, N=4, n_row=2, sample=False, ddim_steps=50, ddim_eta=0.0, return_keys=None,
|
349 |
+
quantize_denoised=True, inpaint=True, plot_denoise_rows=False, plot_progressive_rows=True,
|
350 |
+
plot_diffusion_rows=False, unconditional_guidance_scale=9.0, unconditional_guidance_label=None,
|
351 |
+
use_ema_scope=True,
|
352 |
+
**kwargs):
|
353 |
+
use_ddim = ddim_steps is not None
|
354 |
+
|
355 |
+
log = dict()
|
356 |
+
z, c = self.get_input(batch, self.first_stage_key, bs=N)
|
357 |
+
c_cat, c = c["c_concat"][0][:N], c["c_crossattn"][0][:N]
|
358 |
+
N = min(z.shape[0], N)
|
359 |
+
n_row = min(z.shape[0], n_row)
|
360 |
+
log["reconstruction"] = self.decode_first_stage(z)
|
361 |
+
|
362 |
+
# ==== visualize the shape mask or the high-frequency map ====
|
363 |
+
guide_mask = (c_cat[:,-1,:,:].unsqueeze(1) + 1) * 0.5
|
364 |
+
guide_mask = torch.cat([guide_mask,guide_mask,guide_mask],1)
|
365 |
+
HF_map = c_cat[:,:3,:,:] #* 2.0 - 1.0
|
366 |
+
|
367 |
+
log["control"] = HF_map
|
368 |
+
|
369 |
+
cond_image = batch[self.cond_stage_key].cpu().numpy().copy()
|
370 |
+
log["conditioning"] = torch.permute( torch.tensor(cond_image), (0,3,1,2)) * 2.0 - 1.0
|
371 |
+
if plot_diffusion_rows:
|
372 |
+
# get diffusion row
|
373 |
+
diffusion_row = list()
|
374 |
+
z_start = z[:n_row]
|
375 |
+
for t in range(self.num_timesteps):
|
376 |
+
if t % self.log_every_t == 0 or t == self.num_timesteps - 1:
|
377 |
+
t = repeat(torch.tensor([t]), '1 -> b', b=n_row)
|
378 |
+
t = t.to(self.device).long()
|
379 |
+
noise = torch.randn_like(z_start)
|
380 |
+
z_noisy = self.q_sample(x_start=z_start, t=t, noise=noise)
|
381 |
+
diffusion_row.append(self.decode_first_stage(z_noisy))
|
382 |
+
|
383 |
+
diffusion_row = torch.stack(diffusion_row) # n_log_step, n_row, C, H, W
|
384 |
+
diffusion_grid = rearrange(diffusion_row, 'n b c h w -> b n c h w')
|
385 |
+
diffusion_grid = rearrange(diffusion_grid, 'b n c h w -> (b n) c h w')
|
386 |
+
diffusion_grid = make_grid(diffusion_grid, nrow=diffusion_row.shape[0])
|
387 |
+
log["diffusion_row"] = diffusion_grid
|
388 |
+
|
389 |
+
if sample:
|
390 |
+
# get denoise row
|
391 |
+
samples, z_denoise_row = self.sample_log(cond={"c_concat": [c_cat], "c_crossattn": [c]},
|
392 |
+
batch_size=N, ddim=use_ddim,
|
393 |
+
ddim_steps=ddim_steps, eta=ddim_eta)
|
394 |
+
x_samples = self.decode_first_stage(samples)
|
395 |
+
log["samples"] = x_samples
|
396 |
+
if plot_denoise_rows:
|
397 |
+
denoise_grid = self._get_denoise_row_from_list(z_denoise_row)
|
398 |
+
log["denoise_row"] = denoise_grid
|
399 |
+
|
400 |
+
if unconditional_guidance_scale > 1.0:
|
401 |
+
uc_cross = self.get_unconditional_conditioning(N)
|
402 |
+
uc_cat = c_cat # torch.zeros_like(c_cat)
|
403 |
+
uc_full = {"c_concat": [uc_cat], "c_crossattn": [uc_cross]}
|
404 |
+
samples_cfg, _ = self.sample_log(cond={"c_concat": [c_cat], "c_crossattn": [c]},
|
405 |
+
batch_size=N, ddim=use_ddim,
|
406 |
+
ddim_steps=ddim_steps, eta=ddim_eta,
|
407 |
+
unconditional_guidance_scale=unconditional_guidance_scale,
|
408 |
+
unconditional_conditioning=uc_full,
|
409 |
+
)
|
410 |
+
x_samples_cfg = self.decode_first_stage(samples_cfg)
|
411 |
+
log[f"samples_cfg_scale_{unconditional_guidance_scale:.2f}"] = x_samples_cfg #* 2.0 - 1.0
|
412 |
+
return log
|
413 |
+
|
414 |
+
@torch.no_grad()
|
415 |
+
def sample_log(self, cond, batch_size, ddim, ddim_steps, **kwargs):
|
416 |
+
ddim_sampler = DDIMSampler(self)
|
417 |
+
b, c, h, w = cond["c_concat"][0].shape
|
418 |
+
shape = (self.channels, h // 8, w // 8)
|
419 |
+
samples, intermediates = ddim_sampler.sample(ddim_steps, batch_size, shape, cond, verbose=False, **kwargs)
|
420 |
+
return samples, intermediates
|
421 |
+
|
422 |
+
def configure_optimizers(self):
|
423 |
+
lr = self.learning_rate
|
424 |
+
params = list(self.control_model.parameters())
|
425 |
+
if not self.sd_locked:
|
426 |
+
params += list(self.model.diffusion_model.output_blocks.parameters())
|
427 |
+
params += list(self.model.diffusion_model.out.parameters())
|
428 |
+
params += list(self.cond_stage_model.projector.parameters())
|
429 |
+
opt = torch.optim.AdamW(params, lr=lr)
|
430 |
+
return opt
|
431 |
+
|
432 |
+
def low_vram_shift(self, is_diffusing):
|
433 |
+
if is_diffusing:
|
434 |
+
self.model = self.model.cuda()
|
435 |
+
self.control_model = self.control_model.cuda()
|
436 |
+
self.first_stage_model = self.first_stage_model.cpu()
|
437 |
+
self.cond_stage_model = self.cond_stage_model.cpu()
|
438 |
+
else:
|
439 |
+
self.model = self.model.cpu()
|
440 |
+
self.control_model = self.control_model.cpu()
|
441 |
+
self.first_stage_model = self.first_stage_model.cuda()
|
442 |
+
self.cond_stage_model = self.cond_stage_model.cuda()
|
cldm/ddim_hacked.py
ADDED
@@ -0,0 +1,318 @@
|
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|
|
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|
|
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|
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|
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|
|
|
|
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|
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|
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|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
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|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
"""SAMPLING ONLY."""
|
2 |
+
|
3 |
+
import torch
|
4 |
+
import numpy as np
|
5 |
+
from tqdm import tqdm
|
6 |
+
|
7 |
+
from ldm.modules.diffusionmodules.util import make_ddim_sampling_parameters, make_ddim_timesteps, noise_like, extract_into_tensor
|
8 |
+
|
9 |
+
|
10 |
+
class DDIMSampler(object):
|
11 |
+
def __init__(self, model, schedule="linear", **kwargs):
|
12 |
+
super().__init__()
|
13 |
+
self.model = model
|
14 |
+
self.ddpm_num_timesteps = model.num_timesteps
|
15 |
+
self.schedule = schedule
|
16 |
+
|
17 |
+
def register_buffer(self, name, attr):
|
18 |
+
if type(attr) == torch.Tensor:
|
19 |
+
if attr.device != torch.device("cuda"):
|
20 |
+
attr = attr.to(torch.device("cuda"))
|
21 |
+
setattr(self, name, attr)
|
22 |
+
|
23 |
+
def make_schedule(self, ddim_num_steps, ddim_discretize="uniform", ddim_eta=0., verbose=True):
|
24 |
+
self.ddim_timesteps = make_ddim_timesteps(ddim_discr_method=ddim_discretize, num_ddim_timesteps=ddim_num_steps,
|
25 |
+
num_ddpm_timesteps=self.ddpm_num_timesteps,verbose=verbose)
|
26 |
+
alphas_cumprod = self.model.alphas_cumprod
|
27 |
+
assert alphas_cumprod.shape[0] == self.ddpm_num_timesteps, 'alphas have to be defined for each timestep'
|
28 |
+
to_torch = lambda x: x.clone().detach().to(torch.float32).to(self.model.device)
|
29 |
+
|
30 |
+
self.register_buffer('betas', to_torch(self.model.betas))
|
31 |
+
self.register_buffer('alphas_cumprod', to_torch(alphas_cumprod))
|
32 |
+
self.register_buffer('alphas_cumprod_prev', to_torch(self.model.alphas_cumprod_prev))
|
33 |
+
|
34 |
+
# calculations for diffusion q(x_t | x_{t-1}) and others
|
35 |
+
self.register_buffer('sqrt_alphas_cumprod', to_torch(np.sqrt(alphas_cumprod.cpu())))
|
36 |
+
self.register_buffer('sqrt_one_minus_alphas_cumprod', to_torch(np.sqrt(1. - alphas_cumprod.cpu())))
|
37 |
+
self.register_buffer('log_one_minus_alphas_cumprod', to_torch(np.log(1. - alphas_cumprod.cpu())))
|
38 |
+
self.register_buffer('sqrt_recip_alphas_cumprod', to_torch(np.sqrt(1. / alphas_cumprod.cpu())))
|
39 |
+
self.register_buffer('sqrt_recipm1_alphas_cumprod', to_torch(np.sqrt(1. / alphas_cumprod.cpu() - 1)))
|
40 |
+
|
41 |
+
# ddim sampling parameters
|
42 |
+
ddim_sigmas, ddim_alphas, ddim_alphas_prev = make_ddim_sampling_parameters(alphacums=alphas_cumprod.cpu(),
|
43 |
+
ddim_timesteps=self.ddim_timesteps,
|
44 |
+
eta=ddim_eta,verbose=verbose)
|
45 |
+
self.register_buffer('ddim_sigmas', ddim_sigmas)
|
46 |
+
self.register_buffer('ddim_alphas', ddim_alphas)
|
47 |
+
self.register_buffer('ddim_alphas_prev', ddim_alphas_prev)
|
48 |
+
self.register_buffer('ddim_sqrt_one_minus_alphas', np.sqrt(1. - ddim_alphas))
|
49 |
+
sigmas_for_original_sampling_steps = ddim_eta * torch.sqrt(
|
50 |
+
(1 - self.alphas_cumprod_prev) / (1 - self.alphas_cumprod) * (
|
51 |
+
1 - self.alphas_cumprod / self.alphas_cumprod_prev))
|
52 |
+
self.register_buffer('ddim_sigmas_for_original_num_steps', sigmas_for_original_sampling_steps)
|
53 |
+
|
54 |
+
@torch.no_grad()
|
55 |
+
def sample(self,
|
56 |
+
S,
|
57 |
+
batch_size,
|
58 |
+
shape,
|
59 |
+
conditioning=None,
|
60 |
+
callback=None,
|
61 |
+
normals_sequence=None,
|
62 |
+
img_callback=None,
|
63 |
+
quantize_x0=False,
|
64 |
+
eta=0.,
|
65 |
+
mask=None,
|
66 |
+
x0=None,
|
67 |
+
temperature=1.,
|
68 |
+
noise_dropout=0.,
|
69 |
+
score_corrector=None,
|
70 |
+
corrector_kwargs=None,
|
71 |
+
verbose=True,
|
72 |
+
x_T=None,
|
73 |
+
log_every_t=100,
|
74 |
+
unconditional_guidance_scale=1.,
|
75 |
+
unconditional_conditioning=None, # this has to come in the same format as the conditioning, # e.g. as encoded tokens, ...
|
76 |
+
dynamic_threshold=None,
|
77 |
+
ucg_schedule=None,
|
78 |
+
**kwargs
|
79 |
+
):
|
80 |
+
if conditioning is not None:
|
81 |
+
if isinstance(conditioning, dict):
|
82 |
+
ctmp = conditioning[list(conditioning.keys())[0]]
|
83 |
+
while isinstance(ctmp, list): ctmp = ctmp[0]
|
84 |
+
cbs = ctmp.shape[0]
|
85 |
+
if cbs != batch_size:
|
86 |
+
print(f"Warning: Got {cbs} conditionings but batch-size is {batch_size}")
|
87 |
+
|
88 |
+
elif isinstance(conditioning, list):
|
89 |
+
for ctmp in conditioning:
|
90 |
+
if ctmp.shape[0] != batch_size:
|
91 |
+
print(f"Warning: Got {cbs} conditionings but batch-size is {batch_size}")
|
92 |
+
|
93 |
+
else:
|
94 |
+
if conditioning.shape[0] != batch_size:
|
95 |
+
print(f"Warning: Got {conditioning.shape[0]} conditionings but batch-size is {batch_size}")
|
96 |
+
|
97 |
+
self.make_schedule(ddim_num_steps=S, ddim_eta=eta, verbose=verbose)
|
98 |
+
# sampling
|
99 |
+
C, H, W = shape
|
100 |
+
size = (batch_size, C, H, W)
|
101 |
+
print(f'Data shape for DDIM sampling is {size}, eta {eta}')
|
102 |
+
|
103 |
+
samples, intermediates = self.ddim_sampling(conditioning, size,
|
104 |
+
callback=callback,
|
105 |
+
img_callback=img_callback,
|
106 |
+
quantize_denoised=quantize_x0,
|
107 |
+
mask=mask, x0=x0,
|
108 |
+
ddim_use_original_steps=False,
|
109 |
+
noise_dropout=noise_dropout,
|
110 |
+
temperature=temperature,
|
111 |
+
score_corrector=score_corrector,
|
112 |
+
corrector_kwargs=corrector_kwargs,
|
113 |
+
x_T=x_T,
|
114 |
+
log_every_t=log_every_t,
|
115 |
+
unconditional_guidance_scale=unconditional_guidance_scale,
|
116 |
+
unconditional_conditioning=unconditional_conditioning,
|
117 |
+
dynamic_threshold=dynamic_threshold,
|
118 |
+
ucg_schedule=ucg_schedule
|
119 |
+
)
|
120 |
+
return samples, intermediates
|
121 |
+
|
122 |
+
@torch.no_grad()
|
123 |
+
def ddim_sampling(self, cond, shape,
|
124 |
+
x_T=None, ddim_use_original_steps=False,
|
125 |
+
callback=None, timesteps=None, quantize_denoised=False,
|
126 |
+
mask=None, x0=None, img_callback=None, log_every_t=100,
|
127 |
+
temperature=1., noise_dropout=0., score_corrector=None, corrector_kwargs=None,
|
128 |
+
unconditional_guidance_scale=1., unconditional_conditioning=None, dynamic_threshold=None,
|
129 |
+
ucg_schedule=None):
|
130 |
+
device = self.model.betas.device
|
131 |
+
b = shape[0]
|
132 |
+
#x_T 1,4,64,64
|
133 |
+
if x_T is None:
|
134 |
+
img = torch.randn(shape, device=device)
|
135 |
+
else:
|
136 |
+
img = x_T
|
137 |
+
|
138 |
+
if timesteps is None:
|
139 |
+
timesteps = self.ddpm_num_timesteps if ddim_use_original_steps else self.ddim_timesteps
|
140 |
+
elif timesteps is not None and not ddim_use_original_steps:
|
141 |
+
subset_end = int(min(timesteps / self.ddim_timesteps.shape[0], 1) * self.ddim_timesteps.shape[0]) - 1
|
142 |
+
timesteps = self.ddim_timesteps[:subset_end]
|
143 |
+
|
144 |
+
intermediates = {'x_inter': [img], 'pred_x0': [img]}
|
145 |
+
time_range = reversed(range(0,timesteps)) if ddim_use_original_steps else np.flip(timesteps)
|
146 |
+
total_steps = timesteps if ddim_use_original_steps else timesteps.shape[0]
|
147 |
+
print(f"Running DDIM Sampling with {total_steps} timesteps")
|
148 |
+
|
149 |
+
iterator = tqdm(time_range, desc='DDIM Sampler', total=total_steps)
|
150 |
+
|
151 |
+
for i, step in enumerate(iterator):
|
152 |
+
index = total_steps - i - 1
|
153 |
+
ts = torch.full((b,), step, device=device, dtype=torch.long)
|
154 |
+
|
155 |
+
if mask is not None:
|
156 |
+
assert x0 is not None
|
157 |
+
img_orig = self.model.q_sample(x0, ts) # TODO: deterministic forward pass?
|
158 |
+
img = img_orig * mask + (1. - mask) * img
|
159 |
+
|
160 |
+
if ucg_schedule is not None:
|
161 |
+
assert len(ucg_schedule) == len(time_range)
|
162 |
+
unconditional_guidance_scale = ucg_schedule[i]
|
163 |
+
|
164 |
+
outs = self.p_sample_ddim(img, cond, ts, index=index, use_original_steps=ddim_use_original_steps,
|
165 |
+
quantize_denoised=quantize_denoised, temperature=temperature,
|
166 |
+
noise_dropout=noise_dropout, score_corrector=score_corrector,
|
167 |
+
corrector_kwargs=corrector_kwargs,
|
168 |
+
unconditional_guidance_scale=unconditional_guidance_scale,
|
169 |
+
unconditional_conditioning=unconditional_conditioning,
|
170 |
+
dynamic_threshold=dynamic_threshold)
|
171 |
+
img, pred_x0 = outs
|
172 |
+
if callback: callback(i)
|
173 |
+
if img_callback: img_callback(pred_x0, i)
|
174 |
+
|
175 |
+
if index % log_every_t == 0 or index == total_steps - 1:
|
176 |
+
intermediates['x_inter'].append(img)
|
177 |
+
intermediates['pred_x0'].append(pred_x0)
|
178 |
+
|
179 |
+
return img, intermediates
|
180 |
+
|
181 |
+
@torch.no_grad()
|
182 |
+
def p_sample_ddim(self, x, c, t, index, repeat_noise=False, use_original_steps=False, quantize_denoised=False,
|
183 |
+
temperature=1., noise_dropout=0., score_corrector=None, corrector_kwargs=None,
|
184 |
+
unconditional_guidance_scale=1., unconditional_conditioning=None,
|
185 |
+
dynamic_threshold=None):
|
186 |
+
b, *_, device = *x.shape, x.device
|
187 |
+
|
188 |
+
if unconditional_conditioning is None or unconditional_guidance_scale == 1.:
|
189 |
+
model_output = self.model.apply_model(x, t, c)
|
190 |
+
else:
|
191 |
+
model_t = self.model.apply_model(x, t, c)
|
192 |
+
model_uncond = self.model.apply_model(x, t, unconditional_conditioning)
|
193 |
+
model_output = model_uncond + unconditional_guidance_scale * (model_t - model_uncond)
|
194 |
+
|
195 |
+
if self.model.parameterization == "v":
|
196 |
+
e_t = self.model.predict_eps_from_z_and_v(x, t, model_output)
|
197 |
+
else:
|
198 |
+
e_t = model_output
|
199 |
+
|
200 |
+
if score_corrector is not None:
|
201 |
+
assert self.model.parameterization == "eps", 'not implemented'
|
202 |
+
e_t = score_corrector.modify_score(self.model, e_t, x, t, c, **corrector_kwargs)
|
203 |
+
|
204 |
+
alphas = self.model.alphas_cumprod if use_original_steps else self.ddim_alphas
|
205 |
+
alphas_prev = self.model.alphas_cumprod_prev if use_original_steps else self.ddim_alphas_prev
|
206 |
+
sqrt_one_minus_alphas = self.model.sqrt_one_minus_alphas_cumprod if use_original_steps else self.ddim_sqrt_one_minus_alphas
|
207 |
+
sigmas = self.model.ddim_sigmas_for_original_num_steps if use_original_steps else self.ddim_sigmas
|
208 |
+
# select parameters corresponding to the currently considered timestep
|
209 |
+
a_t = torch.full((b, 1, 1, 1), alphas[index], device=device)
|
210 |
+
a_prev = torch.full((b, 1, 1, 1), alphas_prev[index], device=device)
|
211 |
+
sigma_t = torch.full((b, 1, 1, 1), sigmas[index], device=device)
|
212 |
+
sqrt_one_minus_at = torch.full((b, 1, 1, 1), sqrt_one_minus_alphas[index],device=device)
|
213 |
+
|
214 |
+
# current prediction for x_0
|
215 |
+
if self.model.parameterization != "v":
|
216 |
+
pred_x0 = (x - sqrt_one_minus_at * e_t) / a_t.sqrt()
|
217 |
+
else:
|
218 |
+
pred_x0 = self.model.predict_start_from_z_and_v(x, t, model_output)
|
219 |
+
|
220 |
+
if quantize_denoised:
|
221 |
+
pred_x0, _, *_ = self.model.first_stage_model.quantize(pred_x0)
|
222 |
+
|
223 |
+
if dynamic_threshold is not None:
|
224 |
+
raise NotImplementedError()
|
225 |
+
|
226 |
+
# direction pointing to x_t
|
227 |
+
dir_xt = (1. - a_prev - sigma_t**2).sqrt() * e_t
|
228 |
+
noise = sigma_t * noise_like(x.shape, device, repeat_noise) * temperature
|
229 |
+
if noise_dropout > 0.:
|
230 |
+
noise = torch.nn.functional.dropout(noise, p=noise_dropout)
|
231 |
+
x_prev = a_prev.sqrt() * pred_x0 + dir_xt + noise
|
232 |
+
return x_prev, pred_x0
|
233 |
+
|
234 |
+
@torch.no_grad()
|
235 |
+
def encode(self, x0, c, t_enc, use_original_steps=False, return_intermediates=None,
|
236 |
+
unconditional_guidance_scale=1.0, unconditional_conditioning=None, callback=None):
|
237 |
+
timesteps = np.arange(self.ddpm_num_timesteps) if use_original_steps else self.ddim_timesteps
|
238 |
+
num_reference_steps = timesteps.shape[0]
|
239 |
+
|
240 |
+
assert t_enc <= num_reference_steps
|
241 |
+
num_steps = t_enc
|
242 |
+
|
243 |
+
if use_original_steps:
|
244 |
+
alphas_next = self.alphas_cumprod[:num_steps]
|
245 |
+
alphas = self.alphas_cumprod_prev[:num_steps]
|
246 |
+
else:
|
247 |
+
alphas_next = self.ddim_alphas[:num_steps]
|
248 |
+
alphas = torch.tensor(self.ddim_alphas_prev[:num_steps])
|
249 |
+
|
250 |
+
x_next = x0
|
251 |
+
intermediates = []
|
252 |
+
inter_steps = []
|
253 |
+
for i in tqdm(range(num_steps), desc='Encoding Image'):
|
254 |
+
t = torch.full((x0.shape[0],), timesteps[i], device=self.model.device, dtype=torch.long)
|
255 |
+
if unconditional_guidance_scale == 1.:
|
256 |
+
noise_pred = self.model.apply_model(x_next, t, c)
|
257 |
+
else:
|
258 |
+
assert unconditional_conditioning is not None
|
259 |
+
e_t_uncond, noise_pred = torch.chunk(
|
260 |
+
self.model.apply_model(torch.cat((x_next, x_next)), torch.cat((t, t)),
|
261 |
+
torch.cat((unconditional_conditioning, c))), 2)
|
262 |
+
noise_pred = e_t_uncond + unconditional_guidance_scale * (noise_pred - e_t_uncond)
|
263 |
+
|
264 |
+
xt_weighted = (alphas_next[i] / alphas[i]).sqrt() * x_next
|
265 |
+
weighted_noise_pred = alphas_next[i].sqrt() * (
|
266 |
+
(1 / alphas_next[i] - 1).sqrt() - (1 / alphas[i] - 1).sqrt()) * noise_pred
|
267 |
+
x_next = xt_weighted + weighted_noise_pred
|
268 |
+
if return_intermediates and i % (
|
269 |
+
num_steps // return_intermediates) == 0 and i < num_steps - 1:
|
270 |
+
intermediates.append(x_next)
|
271 |
+
inter_steps.append(i)
|
272 |
+
elif return_intermediates and i >= num_steps - 2:
|
273 |
+
intermediates.append(x_next)
|
274 |
+
inter_steps.append(i)
|
275 |
+
if callback: callback(i)
|
276 |
+
|
277 |
+
out = {'x_encoded': x_next, 'intermediate_steps': inter_steps}
|
278 |
+
if return_intermediates:
|
279 |
+
out.update({'intermediates': intermediates})
|
280 |
+
return x_next, out
|
281 |
+
|
282 |
+
@torch.no_grad()
|
283 |
+
def stochastic_encode(self, x0, t, use_original_steps=False, noise=None):
|
284 |
+
# fast, but does not allow for exact reconstruction
|
285 |
+
# t serves as an index to gather the correct alphas
|
286 |
+
if use_original_steps:
|
287 |
+
sqrt_alphas_cumprod = self.sqrt_alphas_cumprod
|
288 |
+
sqrt_one_minus_alphas_cumprod = self.sqrt_one_minus_alphas_cumprod
|
289 |
+
else:
|
290 |
+
sqrt_alphas_cumprod = torch.sqrt(self.ddim_alphas)
|
291 |
+
sqrt_one_minus_alphas_cumprod = self.ddim_sqrt_one_minus_alphas
|
292 |
+
|
293 |
+
if noise is None:
|
294 |
+
noise = torch.randn_like(x0)
|
295 |
+
return (extract_into_tensor(sqrt_alphas_cumprod, t, x0.shape) * x0 +
|
296 |
+
extract_into_tensor(sqrt_one_minus_alphas_cumprod, t, x0.shape) * noise)
|
297 |
+
|
298 |
+
@torch.no_grad()
|
299 |
+
def decode(self, x_latent, cond, t_start, unconditional_guidance_scale=1.0, unconditional_conditioning=None,
|
300 |
+
use_original_steps=False, callback=None):
|
301 |
+
|
302 |
+
timesteps = np.arange(self.ddpm_num_timesteps) if use_original_steps else self.ddim_timesteps
|
303 |
+
timesteps = timesteps[:t_start]
|
304 |
+
|
305 |
+
time_range = np.flip(timesteps)
|
306 |
+
total_steps = timesteps.shape[0]
|
307 |
+
print(f"Running DDIM Sampling with {total_steps} timesteps")
|
308 |
+
|
309 |
+
iterator = tqdm(time_range, desc='Decoding image', total=total_steps)
|
310 |
+
x_dec = x_latent
|
311 |
+
for i, step in enumerate(iterator):
|
312 |
+
index = total_steps - i - 1
|
313 |
+
ts = torch.full((x_latent.shape[0],), step, device=x_latent.device, dtype=torch.long)
|
314 |
+
x_dec, _ = self.p_sample_ddim(x_dec, cond, ts, index=index, use_original_steps=use_original_steps,
|
315 |
+
unconditional_guidance_scale=unconditional_guidance_scale,
|
316 |
+
unconditional_conditioning=unconditional_conditioning)
|
317 |
+
if callback: callback(i)
|
318 |
+
return x_dec
|
cldm/hack.py
ADDED
@@ -0,0 +1,111 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
import torch
|
2 |
+
import einops
|
3 |
+
|
4 |
+
import ldm.modules.encoders.modules
|
5 |
+
import ldm.modules.attention
|
6 |
+
|
7 |
+
from transformers import logging
|
8 |
+
from ldm.modules.attention import default
|
9 |
+
|
10 |
+
|
11 |
+
def disable_verbosity():
|
12 |
+
logging.set_verbosity_error()
|
13 |
+
print('logging improved.')
|
14 |
+
return
|
15 |
+
|
16 |
+
|
17 |
+
def enable_sliced_attention():
|
18 |
+
ldm.modules.attention.CrossAttention.forward = _hacked_sliced_attentin_forward
|
19 |
+
print('Enabled sliced_attention.')
|
20 |
+
return
|
21 |
+
|
22 |
+
|
23 |
+
def hack_everything(clip_skip=0):
|
24 |
+
disable_verbosity()
|
25 |
+
ldm.modules.encoders.modules.FrozenCLIPEmbedder.forward = _hacked_clip_forward
|
26 |
+
ldm.modules.encoders.modules.FrozenCLIPEmbedder.clip_skip = clip_skip
|
27 |
+
print('Enabled clip hacks.')
|
28 |
+
return
|
29 |
+
|
30 |
+
|
31 |
+
# Written by Lvmin
|
32 |
+
def _hacked_clip_forward(self, text):
|
33 |
+
PAD = self.tokenizer.pad_token_id
|
34 |
+
EOS = self.tokenizer.eos_token_id
|
35 |
+
BOS = self.tokenizer.bos_token_id
|
36 |
+
|
37 |
+
def tokenize(t):
|
38 |
+
return self.tokenizer(t, truncation=False, add_special_tokens=False)["input_ids"]
|
39 |
+
|
40 |
+
def transformer_encode(t):
|
41 |
+
if self.clip_skip > 1:
|
42 |
+
rt = self.transformer(input_ids=t, output_hidden_states=True)
|
43 |
+
return self.transformer.text_model.final_layer_norm(rt.hidden_states[-self.clip_skip])
|
44 |
+
else:
|
45 |
+
return self.transformer(input_ids=t, output_hidden_states=False).last_hidden_state
|
46 |
+
|
47 |
+
def split(x):
|
48 |
+
return x[75 * 0: 75 * 1], x[75 * 1: 75 * 2], x[75 * 2: 75 * 3]
|
49 |
+
|
50 |
+
def pad(x, p, i):
|
51 |
+
return x[:i] if len(x) >= i else x + [p] * (i - len(x))
|
52 |
+
|
53 |
+
raw_tokens_list = tokenize(text)
|
54 |
+
tokens_list = []
|
55 |
+
|
56 |
+
for raw_tokens in raw_tokens_list:
|
57 |
+
raw_tokens_123 = split(raw_tokens)
|
58 |
+
raw_tokens_123 = [[BOS] + raw_tokens_i + [EOS] for raw_tokens_i in raw_tokens_123]
|
59 |
+
raw_tokens_123 = [pad(raw_tokens_i, PAD, 77) for raw_tokens_i in raw_tokens_123]
|
60 |
+
tokens_list.append(raw_tokens_123)
|
61 |
+
|
62 |
+
tokens_list = torch.IntTensor(tokens_list).to(self.device)
|
63 |
+
|
64 |
+
feed = einops.rearrange(tokens_list, 'b f i -> (b f) i')
|
65 |
+
y = transformer_encode(feed)
|
66 |
+
z = einops.rearrange(y, '(b f) i c -> b (f i) c', f=3)
|
67 |
+
|
68 |
+
return z
|
69 |
+
|
70 |
+
|
71 |
+
# Stolen from https://github.com/basujindal/stable-diffusion/blob/main/optimizedSD/splitAttention.py
|
72 |
+
def _hacked_sliced_attentin_forward(self, x, context=None, mask=None):
|
73 |
+
h = self.heads
|
74 |
+
|
75 |
+
q = self.to_q(x)
|
76 |
+
context = default(context, x)
|
77 |
+
k = self.to_k(context)
|
78 |
+
v = self.to_v(context)
|
79 |
+
del context, x
|
80 |
+
|
81 |
+
q, k, v = map(lambda t: einops.rearrange(t, 'b n (h d) -> (b h) n d', h=h), (q, k, v))
|
82 |
+
|
83 |
+
limit = k.shape[0]
|
84 |
+
att_step = 1
|
85 |
+
q_chunks = list(torch.tensor_split(q, limit // att_step, dim=0))
|
86 |
+
k_chunks = list(torch.tensor_split(k, limit // att_step, dim=0))
|
87 |
+
v_chunks = list(torch.tensor_split(v, limit // att_step, dim=0))
|
88 |
+
|
89 |
+
q_chunks.reverse()
|
90 |
+
k_chunks.reverse()
|
91 |
+
v_chunks.reverse()
|
92 |
+
sim = torch.zeros(q.shape[0], q.shape[1], v.shape[2], device=q.device)
|
93 |
+
del k, q, v
|
94 |
+
for i in range(0, limit, att_step):
|
95 |
+
q_buffer = q_chunks.pop()
|
96 |
+
k_buffer = k_chunks.pop()
|
97 |
+
v_buffer = v_chunks.pop()
|
98 |
+
sim_buffer = torch.einsum('b i d, b j d -> b i j', q_buffer, k_buffer) * self.scale
|
99 |
+
|
100 |
+
del k_buffer, q_buffer
|
101 |
+
# attention, what we cannot get enough of, by chunks
|
102 |
+
|
103 |
+
sim_buffer = sim_buffer.softmax(dim=-1)
|
104 |
+
|
105 |
+
sim_buffer = torch.einsum('b i j, b j d -> b i d', sim_buffer, v_buffer)
|
106 |
+
del v_buffer
|
107 |
+
sim[i:i + att_step, :, :] = sim_buffer
|
108 |
+
|
109 |
+
del sim_buffer
|
110 |
+
sim = einops.rearrange(sim, '(b h) n d -> b n (h d)', h=h)
|
111 |
+
return self.to_out(sim)
|
cldm/logger.py
ADDED
@@ -0,0 +1,76 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
import os
|
2 |
+
|
3 |
+
import numpy as np
|
4 |
+
import torch
|
5 |
+
import torchvision
|
6 |
+
from PIL import Image
|
7 |
+
from pytorch_lightning.callbacks import Callback
|
8 |
+
from pytorch_lightning.utilities.distributed import rank_zero_only
|
9 |
+
|
10 |
+
|
11 |
+
class ImageLogger(Callback):
|
12 |
+
def __init__(self, batch_frequency=2000, max_images=4, clamp=True, increase_log_steps=True,
|
13 |
+
rescale=True, disabled=False, log_on_batch_idx=False, log_first_step=False,
|
14 |
+
log_images_kwargs=None):
|
15 |
+
super().__init__()
|
16 |
+
self.rescale = rescale
|
17 |
+
self.batch_freq = batch_frequency
|
18 |
+
self.max_images = max_images
|
19 |
+
if not increase_log_steps:
|
20 |
+
self.log_steps = [self.batch_freq]
|
21 |
+
self.clamp = clamp
|
22 |
+
self.disabled = disabled
|
23 |
+
self.log_on_batch_idx = log_on_batch_idx
|
24 |
+
self.log_images_kwargs = log_images_kwargs if log_images_kwargs else {}
|
25 |
+
self.log_first_step = log_first_step
|
26 |
+
|
27 |
+
@rank_zero_only
|
28 |
+
def log_local(self, save_dir, split, images, global_step, current_epoch, batch_idx):
|
29 |
+
root = os.path.join(save_dir, "image_log", split)
|
30 |
+
for k in images:
|
31 |
+
grid = torchvision.utils.make_grid(images[k], nrow=4)
|
32 |
+
if self.rescale:
|
33 |
+
grid = (grid + 1.0) / 2.0 # -1,1 -> 0,1; c,h,w
|
34 |
+
grid = grid.transpose(0, 1).transpose(1, 2).squeeze(-1)
|
35 |
+
grid = grid.numpy()
|
36 |
+
grid = (grid * 255).astype(np.uint8)
|
37 |
+
filename = "{}_gs-{:06}_e-{:06}_b-{:06}.png".format(k, global_step, current_epoch, batch_idx)
|
38 |
+
path = os.path.join(root, filename)
|
39 |
+
os.makedirs(os.path.split(path)[0], exist_ok=True)
|
40 |
+
Image.fromarray(grid).save(path)
|
41 |
+
|
42 |
+
def log_img(self, pl_module, batch, batch_idx, split="train"):
|
43 |
+
check_idx = batch_idx # if self.log_on_batch_idx else pl_module.global_step
|
44 |
+
if (self.check_frequency(check_idx) and # batch_idx % self.batch_freq == 0
|
45 |
+
hasattr(pl_module, "log_images") and
|
46 |
+
callable(pl_module.log_images) and
|
47 |
+
self.max_images > 0):
|
48 |
+
logger = type(pl_module.logger)
|
49 |
+
|
50 |
+
is_train = pl_module.training
|
51 |
+
if is_train:
|
52 |
+
pl_module.eval()
|
53 |
+
|
54 |
+
with torch.no_grad():
|
55 |
+
images = pl_module.log_images(batch, split=split, **self.log_images_kwargs)
|
56 |
+
|
57 |
+
for k in images:
|
58 |
+
N = min(images[k].shape[0], self.max_images)
|
59 |
+
images[k] = images[k][:N]
|
60 |
+
if isinstance(images[k], torch.Tensor):
|
61 |
+
images[k] = images[k].detach().cpu()
|
62 |
+
if self.clamp:
|
63 |
+
images[k] = torch.clamp(images[k], -1., 1.)
|
64 |
+
|
65 |
+
self.log_local(pl_module.logger.save_dir, split, images,
|
66 |
+
pl_module.global_step, pl_module.current_epoch, batch_idx)
|
67 |
+
|
68 |
+
if is_train:
|
69 |
+
pl_module.train()
|
70 |
+
|
71 |
+
def check_frequency(self, check_idx):
|
72 |
+
return check_idx % self.batch_freq == 0
|
73 |
+
|
74 |
+
def on_train_batch_end(self, trainer, pl_module, outputs, batch, batch_idx, dataloader_idx):
|
75 |
+
if not self.disabled:
|
76 |
+
self.log_img(pl_module, batch, batch_idx, split="train")
|
cldm/model.py
ADDED
@@ -0,0 +1,28 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
import os
|
2 |
+
import torch
|
3 |
+
|
4 |
+
from omegaconf import OmegaConf
|
5 |
+
from ldm.util import instantiate_from_config
|
6 |
+
|
7 |
+
|
8 |
+
def get_state_dict(d):
|
9 |
+
return d.get('state_dict', d)
|
10 |
+
|
11 |
+
|
12 |
+
def load_state_dict(ckpt_path, location='cpu'):
|
13 |
+
_, extension = os.path.splitext(ckpt_path)
|
14 |
+
if extension.lower() == ".safetensors":
|
15 |
+
import safetensors.torch
|
16 |
+
state_dict = safetensors.torch.load_file(ckpt_path, device=location)
|
17 |
+
else:
|
18 |
+
state_dict = get_state_dict(torch.load(ckpt_path, map_location=torch.device(location)))
|
19 |
+
state_dict = get_state_dict(state_dict)
|
20 |
+
print(f'Loaded state_dict from [{ckpt_path}]')
|
21 |
+
return state_dict
|
22 |
+
|
23 |
+
|
24 |
+
def create_model(config_path):
|
25 |
+
config = OmegaConf.load(config_path)
|
26 |
+
model = instantiate_from_config(config.model).cpu()
|
27 |
+
print(f'Loaded model config from [{config_path}]')
|
28 |
+
return model
|
configs/anydoor.yaml
ADDED
@@ -0,0 +1,85 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
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|
|
|
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|
|
|
|
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
model:
|
2 |
+
target: cldm.cldm.ControlLDM
|
3 |
+
params:
|
4 |
+
linear_start: 0.00085
|
5 |
+
linear_end: 0.0120
|
6 |
+
num_timesteps_cond: 1
|
7 |
+
log_every_t: 200
|
8 |
+
timesteps: 1000
|
9 |
+
first_stage_key: "jpg"
|
10 |
+
cond_stage_key: "ref"
|
11 |
+
control_key: "hint"
|
12 |
+
image_size: 64
|
13 |
+
channels: 4
|
14 |
+
cond_stage_trainable: false
|
15 |
+
conditioning_key: crossattn
|
16 |
+
monitor: val/loss_simple_ema
|
17 |
+
scale_factor: 0.18215
|
18 |
+
use_ema: False
|
19 |
+
only_mid_control: False
|
20 |
+
|
21 |
+
control_stage_config:
|
22 |
+
target: cldm.cldm.ControlNet
|
23 |
+
params:
|
24 |
+
use_checkpoint: True
|
25 |
+
image_size: 32 # unused
|
26 |
+
in_channels: 4
|
27 |
+
hint_channels: 4 #3
|
28 |
+
model_channels: 320
|
29 |
+
attention_resolutions: [ 4, 2, 1 ]
|
30 |
+
num_res_blocks: 2
|
31 |
+
channel_mult: [ 1, 2, 4, 4 ]
|
32 |
+
num_head_channels: 64 # need to fix for flash-attn
|
33 |
+
use_spatial_transformer: True
|
34 |
+
use_linear_in_transformer: True
|
35 |
+
transformer_depth: 1
|
36 |
+
context_dim: 1024
|
37 |
+
legacy: False
|
38 |
+
|
39 |
+
unet_config:
|
40 |
+
target: cldm.cldm.ControlledUnetModel
|
41 |
+
params:
|
42 |
+
use_checkpoint: True
|
43 |
+
image_size: 32 # unused
|
44 |
+
in_channels: 4
|
45 |
+
out_channels: 4
|
46 |
+
model_channels: 320
|
47 |
+
attention_resolutions: [ 4, 2, 1 ]
|
48 |
+
num_res_blocks: 2
|
49 |
+
channel_mult: [ 1, 2, 4, 4 ]
|
50 |
+
num_head_channels: 64 # need to fix for flash-attn
|
51 |
+
use_spatial_transformer: True
|
52 |
+
use_linear_in_transformer: True
|
53 |
+
transformer_depth: 1
|
54 |
+
context_dim: 1024
|
55 |
+
legacy: False
|
56 |
+
|
57 |
+
first_stage_config:
|
58 |
+
target: ldm.models.autoencoder.AutoencoderKL
|
59 |
+
params:
|
60 |
+
embed_dim: 4
|
61 |
+
monitor: val/rec_loss
|
62 |
+
ddconfig:
|
63 |
+
#attn_type: "vanilla-xformers"
|
64 |
+
double_z: true
|
65 |
+
z_channels: 4
|
66 |
+
resolution: 256
|
67 |
+
in_channels: 3
|
68 |
+
out_ch: 3
|
69 |
+
ch: 128
|
70 |
+
ch_mult:
|
71 |
+
- 1
|
72 |
+
- 2
|
73 |
+
- 4
|
74 |
+
- 4
|
75 |
+
num_res_blocks: 2
|
76 |
+
attn_resolutions: []
|
77 |
+
dropout: 0.0
|
78 |
+
lossconfig:
|
79 |
+
target: torch.nn.Identity
|
80 |
+
|
81 |
+
cond_stage_config:
|
82 |
+
target: ldm.modules.encoders.modules.FrozenDinoV2Encoder
|
83 |
+
weight: path/dinov2_vitg14_pretrain.pth
|
84 |
+
|
85 |
+
|
configs/datasets.yaml
ADDED
@@ -0,0 +1,68 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
Train:
|
2 |
+
YoutubeVOS:
|
3 |
+
image_dir: path/YTBVOS/train/JPEGImages/
|
4 |
+
anno: path/YTBVOS/train/Annotations
|
5 |
+
meta: path/YTBVOS/train/meta.json
|
6 |
+
|
7 |
+
YoutubeVIS:
|
8 |
+
image_dir: path/youtubevis/train/JPEGImages/
|
9 |
+
anno: path/youtubevis/train/Annotations/
|
10 |
+
meta: path/youtubevis/train/meta.json
|
11 |
+
|
12 |
+
VIPSeg:
|
13 |
+
image_dir: path/VIPSeg/VIPSeg_720P/images/
|
14 |
+
anno: path/VIPSeg/VIPSeg_720P/panomasksRGB/
|
15 |
+
|
16 |
+
UVO:
|
17 |
+
train:
|
18 |
+
image_dir: path/UVO/uvo_frames_sparse
|
19 |
+
video_json: path/UVO/UVO_sparse_train_video_with_interpolation.json
|
20 |
+
image_json: path/UVO/UVO_sparse_train_video_with_interpolation_reorg.json
|
21 |
+
val:
|
22 |
+
image_dir: path/UVO/uvo_frames_sparse
|
23 |
+
video_json: path/UVO/VideoSparseSet/UVO_sparse_val_video_with_interpolation.json
|
24 |
+
image_json: path/UVO/VideoSparseSet/UVO_sparse_val_video_interpolation_reorg.json
|
25 |
+
|
26 |
+
Mose:
|
27 |
+
image_dir: path/MOSE/train/JPEGImages/
|
28 |
+
anno: path/MOSE/train/Annotations/
|
29 |
+
|
30 |
+
MVImageNet:
|
31 |
+
txt: ./datasets/Preprocess/mvimagenet.txt
|
32 |
+
image_dir: /mnt/workspace/xizhi/data/MVImgNet/
|
33 |
+
|
34 |
+
VitonHD:
|
35 |
+
image_dir: path/TryOn/VitonHD/train/cloth/
|
36 |
+
|
37 |
+
Dresscode:
|
38 |
+
image_dir: /mnt/workspace/xizhi/data/dresscode/DressCode/upper_body/label_maps/
|
39 |
+
|
40 |
+
FashionTryon:
|
41 |
+
image_dir: path/TryOn/FashionTryOn/train
|
42 |
+
|
43 |
+
Lvis:
|
44 |
+
image_dir: path/COCO/train2017
|
45 |
+
json_path: path/lvis_v1/lvis_v1_train.json
|
46 |
+
|
47 |
+
SAM:
|
48 |
+
sub1: path/SAM/0000
|
49 |
+
sub2: path/SAM/0001
|
50 |
+
sub3: path/SAM/0002
|
51 |
+
sub4: path/SAM/0004
|
52 |
+
|
53 |
+
Saliency:
|
54 |
+
MSRA_root: path/Saliency/MSRA10K_Imgs_GT/
|
55 |
+
TR_root: path/Saliency/DUTS-TR/DUTS-TR-Image/
|
56 |
+
TE_root: path/Saliency/DUTS-TE/DUTS-TE-Image/
|
57 |
+
HFlickr_root: path/HFlickr/masks/
|
58 |
+
|
59 |
+
Test:
|
60 |
+
DreamBooth:
|
61 |
+
fg_dir: path/DreamBooth/AnyDoor_DreamBooth
|
62 |
+
bg_dir: path/DreamBooth/v1_800
|
63 |
+
|
64 |
+
VitonHDTest:
|
65 |
+
image_dir: path/TryOn/VitonHD/test/cloth
|
66 |
+
|
67 |
+
|
68 |
+
|
configs/demo.yaml
ADDED
@@ -0,0 +1,4 @@
|
|
|
|
|
|
|
|
|
|
|
1 |
+
pretrained_model: ./AnyDoor_models/general_v0.1/general_v0.1.ckpt
|
2 |
+
config_file: configs/anydoor.yaml
|
3 |
+
save_memory: False
|
4 |
+
use_interactive_seg: True
|
configs/inference.yaml
ADDED
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
1 |
+
pretrained_model: path/epoch=1-step=8687.ckpt
|
2 |
+
config_file: configs/anydoor.yaml
|
3 |
+
save_memory: False
|
css/style.css
ADDED
@@ -0,0 +1,39 @@
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|
1 |
+
div.svelte-s6ybro {
|
2 |
+
display: flex;
|
3 |
+
flex-direction: column;
|
4 |
+
position: absolute;
|
5 |
+
top: 8px;
|
6 |
+
right: 8px;
|
7 |
+
justify-content: flex-end;
|
8 |
+
gap: 4px;
|
9 |
+
z-index: 50;
|
10 |
+
}
|
11 |
+
|
12 |
+
.wrap.svelte-p4aq0j.svelte-p4aq0j {
|
13 |
+
display: flex;
|
14 |
+
flex-direction: column;
|
15 |
+
position: absolute;
|
16 |
+
top: 113px;
|
17 |
+
right: 8px;
|
18 |
+
justify-content: flex-end;
|
19 |
+
z-index: 50;
|
20 |
+
}
|
21 |
+
|
22 |
+
div.svelte-1030q2h {
|
23 |
+
width: 25px;
|
24 |
+
height: 25px;
|
25 |
+
padding: 2px;
|
26 |
+
}
|
27 |
+
|
28 |
+
.start-prompt.svelte-yigbas {
|
29 |
+
font-size: 0;
|
30 |
+
}
|
31 |
+
|
32 |
+
.start-prompt.svelte-yigbas::after {
|
33 |
+
content: "Commencer a dessiner";
|
34 |
+
font-size: 20px;
|
35 |
+
}
|
36 |
+
|
37 |
+
footer.svelte-1ax1toq.svelte-1ax1toq.svelte-1ax1toq {
|
38 |
+
display: none;
|
39 |
+
}
|
dinov2/.github/workflows/lint.yaml
ADDED
@@ -0,0 +1,39 @@
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|
1 |
+
name: Lint
|
2 |
+
|
3 |
+
on:
|
4 |
+
push:
|
5 |
+
branches:
|
6 |
+
- main
|
7 |
+
pull_request:
|
8 |
+
branches:
|
9 |
+
- master
|
10 |
+
- 'gh/**'
|
11 |
+
|
12 |
+
jobs:
|
13 |
+
run-linters:
|
14 |
+
name: Run linters
|
15 |
+
runs-on: ubuntu-20.04
|
16 |
+
|
17 |
+
steps:
|
18 |
+
- name: Checkout repository
|
19 |
+
uses: actions/checkout@v3
|
20 |
+
- name: Set up Python
|
21 |
+
uses: actions/setup-python@v4
|
22 |
+
with:
|
23 |
+
python-version: 3.9
|
24 |
+
cache: 'pip'
|
25 |
+
cache-dependency-path: '**/requirements*.txt'
|
26 |
+
- name: Install Python (development) dependencies
|
27 |
+
run: |
|
28 |
+
pip install -r requirements-dev.txt
|
29 |
+
- name: Run flake8
|
30 |
+
run: |
|
31 |
+
flake8
|
32 |
+
- name: Run black
|
33 |
+
if: always()
|
34 |
+
run: |
|
35 |
+
black --check dinov2
|
36 |
+
- name: Run pylint
|
37 |
+
if: always()
|
38 |
+
run: |
|
39 |
+
pylint --exit-zero dinov2
|
dinov2/.gitignore
ADDED
@@ -0,0 +1,13 @@
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|
1 |
+
build/
|
2 |
+
dist/
|
3 |
+
*.egg-info/
|
4 |
+
**/__pycache__/
|
5 |
+
|
6 |
+
**/.ipynb_checkpoints
|
7 |
+
**/.ipynb_checkpoints/**
|
8 |
+
|
9 |
+
**/notebooks
|
10 |
+
|
11 |
+
*.swp
|
12 |
+
|
13 |
+
.vscode/
|
dinov2/CODE_OF_CONDUCT.md
ADDED
@@ -0,0 +1,80 @@
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|
|
1 |
+
# Code of Conduct
|
2 |
+
|
3 |
+
## Our Pledge
|
4 |
+
|
5 |
+
In the interest of fostering an open and welcoming environment, we as
|
6 |
+
contributors and maintainers pledge to make participation in our project and
|
7 |
+
our community a harassment-free experience for everyone, regardless of age, body
|
8 |
+
size, disability, ethnicity, sex characteristics, gender identity and expression,
|
9 |
+
level of experience, education, socio-economic status, nationality, personal
|
10 |
+
appearance, race, religion, or sexual identity and orientation.
|
11 |
+
|
12 |
+
## Our Standards
|
13 |
+
|
14 |
+
Examples of behavior that contributes to creating a positive environment
|
15 |
+
include:
|
16 |
+
|
17 |
+
* Using welcoming and inclusive language
|
18 |
+
* Being respectful of differing viewpoints and experiences
|
19 |
+
* Gracefully accepting constructive criticism
|
20 |
+
* Focusing on what is best for the community
|
21 |
+
* Showing empathy towards other community members
|
22 |
+
|
23 |
+
Examples of unacceptable behavior by participants include:
|
24 |
+
|
25 |
+
* The use of sexualized language or imagery and unwelcome sexual attention or
|
26 |
+
advances
|
27 |
+
* Trolling, insulting/derogatory comments, and personal or political attacks
|
28 |
+
* Public or private harassment
|
29 |
+
* Publishing others' private information, such as a physical or electronic
|
30 |
+
address, without explicit permission
|
31 |
+
* Other conduct which could reasonably be considered inappropriate in a
|
32 |
+
professional setting
|
33 |
+
|
34 |
+
## Our Responsibilities
|
35 |
+
|
36 |
+
Project maintainers are responsible for clarifying the standards of acceptable
|
37 |
+
behavior and are expected to take appropriate and fair corrective action in
|
38 |
+
response to any instances of unacceptable behavior.
|
39 |
+
|
40 |
+
Project maintainers have the right and responsibility to remove, edit, or
|
41 |
+
reject comments, commits, code, wiki edits, issues, and other contributions
|
42 |
+
that are not aligned to this Code of Conduct, or to ban temporarily or
|
43 |
+
permanently any contributor for other behaviors that they deem inappropriate,
|
44 |
+
threatening, offensive, or harmful.
|
45 |
+
|
46 |
+
## Scope
|
47 |
+
|
48 |
+
This Code of Conduct applies within all project spaces, and it also applies when
|
49 |
+
an individual is representing the project or its community in public spaces.
|
50 |
+
Examples of representing a project or community include using an official
|
51 |
+
project e-mail address, posting via an official social media account, or acting
|
52 |
+
as an appointed representative at an online or offline event. Representation of
|
53 |
+
a project may be further defined and clarified by project maintainers.
|
54 |
+
|
55 |
+
This Code of Conduct also applies outside the project spaces when there is a
|
56 |
+
reasonable belief that an individual's behavior may have a negative impact on
|
57 |
+
the project or its community.
|
58 |
+
|
59 |
+
## Enforcement
|
60 |
+
|
61 |
+
Instances of abusive, harassing, or otherwise unacceptable behavior may be
|
62 |
+
reported by contacting the project team at <opensource-conduct@meta.com>. All
|
63 |
+
complaints will be reviewed and investigated and will result in a response that
|
64 |
+
is deemed necessary and appropriate to the circumstances. The project team is
|
65 |
+
obligated to maintain confidentiality with regard to the reporter of an incident.
|
66 |
+
Further details of specific enforcement policies may be posted separately.
|
67 |
+
|
68 |
+
Project maintainers who do not follow or enforce the Code of Conduct in good
|
69 |
+
faith may face temporary or permanent repercussions as determined by other
|
70 |
+
members of the project's leadership.
|
71 |
+
|
72 |
+
## Attribution
|
73 |
+
|
74 |
+
This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
|
75 |
+
available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
|
76 |
+
|
77 |
+
[homepage]: https://www.contributor-covenant.org
|
78 |
+
|
79 |
+
For answers to common questions about this code of conduct, see
|
80 |
+
https://www.contributor-covenant.org/faq
|
dinov2/CONTRIBUTING.md
ADDED
@@ -0,0 +1,31 @@
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|
|
|
1 |
+
# Contributing to DINOv2
|
2 |
+
We want to make contributing to this project as easy and transparent as
|
3 |
+
possible.
|
4 |
+
|
5 |
+
## Pull Requests
|
6 |
+
We actively welcome your pull requests.
|
7 |
+
|
8 |
+
1. Fork the repo and create your branch from `main`.
|
9 |
+
2. If you've added code that should be tested, add tests.
|
10 |
+
3. If you've changed APIs, update the documentation.
|
11 |
+
4. Ensure the test suite passes.
|
12 |
+
5. Make sure your code lints.
|
13 |
+
6. If you haven't already, complete the Contributor License Agreement ("CLA").
|
14 |
+
|
15 |
+
## Contributor License Agreement ("CLA")
|
16 |
+
In order to accept your pull request, we need you to submit a CLA. You only need
|
17 |
+
to do this once to work on any of Meta's open source projects.
|
18 |
+
|
19 |
+
Complete your CLA here: <https://code.facebook.com/cla>
|
20 |
+
|
21 |
+
## Issues
|
22 |
+
We use GitHub issues to track public bugs. Please ensure your description is
|
23 |
+
clear and has sufficient instructions to be able to reproduce the issue.
|
24 |
+
|
25 |
+
Meta has a [bounty program](https://www.facebook.com/whitehat/) for the safe
|
26 |
+
disclosure of security bugs. In those cases, please go through the process
|
27 |
+
outlined on that page and do not file a public issue.
|
28 |
+
|
29 |
+
## License
|
30 |
+
By contributing to DINOv2, you agree that your contributions will be licensed
|
31 |
+
under the LICENSE file in the root directory of this source tree.
|
dinov2/LICENSE
ADDED
@@ -0,0 +1,400 @@
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|
1 |
+
|
2 |
+
Attribution-NonCommercial 4.0 International
|
3 |
+
|
4 |
+
=======================================================================
|
5 |
+
|
6 |
+
Creative Commons Corporation ("Creative Commons") is not a law firm and
|
7 |
+
does not provide legal services or legal advice. Distribution of
|
8 |
+
Creative Commons public licenses does not create a lawyer-client or
|
9 |
+
other relationship. Creative Commons makes its licenses and related
|
10 |
+
information available on an "as-is" basis. Creative Commons gives no
|
11 |
+
warranties regarding its licenses, any material licensed under their
|
12 |
+
terms and conditions, or any related information. Creative Commons
|
13 |
+
disclaims all liability for damages resulting from their use to the
|
14 |
+
fullest extent possible.
|
15 |
+
|
16 |
+
Using Creative Commons Public Licenses
|
17 |
+
|
18 |
+
Creative Commons public licenses provide a standard set of terms and
|
19 |
+
conditions that creators and other rights holders may use to share
|
20 |
+
original works of authorship and other material subject to copyright
|
21 |
+
and certain other rights specified in the public license below. The
|
22 |
+
following considerations are for informational purposes only, are not
|
23 |
+
exhaustive, and do not form part of our licenses.
|
24 |
+
|
25 |
+
Considerations for licensors: Our public licenses are
|
26 |
+
intended for use by those authorized to give the public
|
27 |
+
permission to use material in ways otherwise restricted by
|
28 |
+
copyright and certain other rights. Our licenses are
|
29 |
+
irrevocable. Licensors should read and understand the terms
|
30 |
+
and conditions of the license they choose before applying it.
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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Creative Commons may be contacted at creativecommons.org.
|
dinov2/MODEL_CARD.md
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|
1 |
+
# Model Card for DINOv2-S/B/L/g
|
2 |
+
|
3 |
+
These are Vision Transformer models trained following the method described in the paper:
|
4 |
+
"DINOv2: Learning Robust Visual Features without Supervision"
|
5 |
+
|
6 |
+
We provide 4 models: 1 ViT-g trained from scratch, and 3 ViT-S/B/L models distilled from the ViT-g.
|
7 |
+
|
8 |
+
## Model Details
|
9 |
+
The model takes an image as input and returns a class token and patch tokens.
|
10 |
+
|
11 |
+
The embedding dimension is:
|
12 |
+
- 384 for ViT-S.
|
13 |
+
- 768 for ViT-B.
|
14 |
+
- 1024 for ViT-L.
|
15 |
+
- 1536 for ViT-g.
|
16 |
+
|
17 |
+
The models follow a Transformer architecture, with a patch size of 14.
|
18 |
+
|
19 |
+
For a 224x224 image, this results in 1 class token + 256 patch tokens.
|
20 |
+
|
21 |
+
The models can accept larger images provided the image shapes are multiples of the patch size (14).
|
22 |
+
If this condition is not verified, the model will crop to the closest smaller multiple of the patch size.
|
23 |
+
|
24 |
+
### Model Description
|
25 |
+
|
26 |
+
- **Developed by:** Meta AI
|
27 |
+
- **Model type:** Vision Transformer
|
28 |
+
- **License:** CC-BY-NC
|
29 |
+
|
30 |
+
- **Repository:** https://github.com/facebookresearch/dinov2
|
31 |
+
- **Paper:** https://arxiv.org/abs/2304.07193
|
32 |
+
- **Demo:** https://dinov2.metademolab.com/
|
33 |
+
|
34 |
+
## Uses
|
35 |
+
|
36 |
+
The models are vision backbones providing multi-purpose features for downstream tasks.
|
37 |
+
|
38 |
+
### Direct Use
|
39 |
+
|
40 |
+
The models can be used without fine-tuning, with downstream classifiers as simple as linear layers, to obtain competitive results:
|
41 |
+
- on depth estimation, semantic segmentation, using linear layers.
|
42 |
+
- on image classification, using k-NN classifiers on the class token.
|
43 |
+
- on image classification, with logistic regression classifiers applied on the class token.
|
44 |
+
- on image classification, with a linear layer applied on the class token and the average of the patch tokens.
|
45 |
+
- on image retrieval using nearest neighbors.
|
46 |
+
|
47 |
+
### Downstream Use
|
48 |
+
|
49 |
+
It is technically possible to perform fine-tuning on the models, for small gains (we measured +2% on ImageNet-1k classification).
|
50 |
+
We recommend keeping this as a very last step and only when necessary, as the features already provide good performance out-of-the-box.
|
51 |
+
|
52 |
+
## Bias, Risks, and Limitations
|
53 |
+
|
54 |
+
Despite improvements thanks to the training method not using annotations, we still observe significant biases in our models toward rich households from Western countries.
|
55 |
+
|
56 |
+
### Recommendations
|
57 |
+
|
58 |
+
We expect fine-tuning will increase the biases in the features produced by the model as they will be tuned to the fine-tuning labels.
|
59 |
+
|
60 |
+
## How to Get Started with the Model
|
61 |
+
|
62 |
+
Use the code below to get started with the model.
|
63 |
+
|
64 |
+
```python
|
65 |
+
import torch
|
66 |
+
dinov2_vits14 = torch.hub.load('facebookresearch/dinov2', 'dinov2_vits14')
|
67 |
+
dinov2_vitb14 = torch.hub.load('facebookresearch/dinov2', 'dinov2_vitb14')
|
68 |
+
dinov2_vitl14 = torch.hub.load('facebookresearch/dinov2', 'dinov2_vitl14')
|
69 |
+
dinov2_vitg14 = torch.hub.load('facebookresearch/dinov2', 'dinov2_vitg14')
|
70 |
+
```
|
71 |
+
|
72 |
+
## Training Details
|
73 |
+
|
74 |
+
### Training Data
|
75 |
+
|
76 |
+
- **Training data:** LVD-142M (see paper)
|
77 |
+
- **Training regime:** fp16 using PyTorch-FSDP mixed-precision.
|
78 |
+
|
79 |
+
### Training Procedure
|
80 |
+
|
81 |
+
- **Training objective:**
|
82 |
+
- DINO self-distillation loss with multi-crop
|
83 |
+
- iBOT masked-image modeling loss
|
84 |
+
- KoLeo regularization on [CLS] tokens
|
85 |
+
- **Architectures:**
|
86 |
+
- ViT-S (21M params): Patch size 14, embedding dimension 384, 6 heads, MLP FFN
|
87 |
+
- ViT-B (86M params): Patch size 14, embedding dimension 768, 12 heads, MLP FFN
|
88 |
+
- ViT-L (0.3B params): Patch size 14, embedding dimension 1024, 16 heads, MLP FFN
|
89 |
+
- ViT-g (1.1B params): Patch size 14, embedding dimension 1536, 24 heads, SwiGLU FFN
|
90 |
+
- **Distillation:**
|
91 |
+
- Distillation follows the standard DINOv2 pretraining procedure, except the teacher is a pretrained ViT-g, frozen.
|
92 |
+
|
93 |
+
## Evaluation
|
94 |
+
|
95 |
+
We refer users to the associated paper for the evaluation protocols.
|
96 |
+
|
97 |
+
<table>
|
98 |
+
<tr>
|
99 |
+
<th>model</th>
|
100 |
+
<th colspan="3">ImageNet-1k</th>
|
101 |
+
<th>NYU-Depth v2</th>
|
102 |
+
<th>SUN-RGBD</th>
|
103 |
+
<th>ADE20k</th>
|
104 |
+
<th>iNaturalist 2018</th>
|
105 |
+
<th>Oxford-H</th>
|
106 |
+
</tr>
|
107 |
+
<tr>
|
108 |
+
<th rowspan="2">task</th>
|
109 |
+
<th>classif. (acc)</th>
|
110 |
+
<th>classif. (acc)</th>
|
111 |
+
<th>classif. V2 (acc)</th>
|
112 |
+
<th>depth (RMSE)</th>
|
113 |
+
<th>depth (RMSE)</th>
|
114 |
+
<th>segm. (mAP)</th>
|
115 |
+
<th>classif. (acc)</th>
|
116 |
+
<th>retrieval (mAP)</th>
|
117 |
+
</tr>
|
118 |
+
<tr>
|
119 |
+
<!-- <th>^</th> -->
|
120 |
+
<th>k-NN</th>
|
121 |
+
<th>linear</th>
|
122 |
+
<th>linear</th>
|
123 |
+
<th>linear<br />4 layers</th>
|
124 |
+
<th>NYU-D transfer</th>
|
125 |
+
<th>multiscale</th>
|
126 |
+
<th>linear</th>
|
127 |
+
<th>nearest neighbor</th>
|
128 |
+
</tr>
|
129 |
+
<tr>
|
130 |
+
<td>ViT-S/14</td>
|
131 |
+
<td align="right">79.0%</td>
|
132 |
+
<td align="right">81.1%</td>
|
133 |
+
<td align="right">70.8%</td>
|
134 |
+
<td align="right">0.417</td>
|
135 |
+
<td align="right">0.431</td>
|
136 |
+
<td align="right">47.2</td>
|
137 |
+
<td align="right">69.5%</td>
|
138 |
+
<td align="right">43.2</td>
|
139 |
+
</tr>
|
140 |
+
<tr>
|
141 |
+
<td>ViT-B/14</td>
|
142 |
+
<td align="right">82.1%</td>
|
143 |
+
<td align="right">84.5%</td>
|
144 |
+
<td align="right">74.9%</td>
|
145 |
+
<td align="right">0.362</td>
|
146 |
+
<td align="right">0.400</td>
|
147 |
+
<td align="right">51.3</td>
|
148 |
+
<td align="right">76.3%</td>
|
149 |
+
<td align="right">49.5</td>
|
150 |
+
</tr>
|
151 |
+
<tr>
|
152 |
+
<td>ViT-L/14</td>
|
153 |
+
<td align="right">83.5%</td>
|
154 |
+
<td align="right">86.3%</td>
|
155 |
+
<td align="right">77.6%</td>
|
156 |
+
<td align="right">0.333</td>
|
157 |
+
<td align="right">0.396</td>
|
158 |
+
<td align="right">53.1</td>
|
159 |
+
<td align="right">79.8%</td>
|
160 |
+
<td align="right">54.0</td>
|
161 |
+
</tr>
|
162 |
+
<tr>
|
163 |
+
<td>ViT-g/14</td>
|
164 |
+
<td align="right">83.5%</td>
|
165 |
+
<td align="right">86.5%</td>
|
166 |
+
<td align="right">78.4%</td>
|
167 |
+
<td align="right">0.298</td>
|
168 |
+
<td align="right">0.362</td>
|
169 |
+
<td align="right">53.0</td>
|
170 |
+
<td align="right">81.6%</td>
|
171 |
+
<td align="right">52.3</td>
|
172 |
+
</tr>
|
173 |
+
</table>
|
174 |
+
|
175 |
+
## Environmental Impact
|
176 |
+
|
177 |
+
- **Hardware Type:** Nvidia A100
|
178 |
+
- **Hours used:** 22,000 for ViT-g, 4,500 for ViT-S distillation, 5,300 for ViT-B distillation, 8,000 for ViT-L distillation
|
179 |
+
- **Cloud Provider:** Private infra
|
180 |
+
- **Compute Region:** USA
|
181 |
+
- **Carbon Emitted:** 7t CO2eq
|
182 |
+
|
183 |
+
#### Hardware
|
184 |
+
|
185 |
+
Nvidia A100 GPUs
|
186 |
+
|
187 |
+
#### Software
|
188 |
+
|
189 |
+
PyTorch 2.0,
|
190 |
+
xFormers 0.0.18
|
191 |
+
|
192 |
+
**BibTeX**
|
193 |
+
|
194 |
+
```
|
195 |
+
@misc{oquab2023dinov2,
|
196 |
+
title={DINOv2: Learning Robust Visual Features without Supervision},
|
197 |
+
author={Oquab, Maxime and Darcet, Timothée and Moutakanni, Theo and Vo, Huy and Szafraniec, Marc and Khalidov, Vasil and Fernandez, Pierre and Haziza, Daniel and Massa, Francisco and El-Nouby, Alaaeldin and Howes, Russell and Huang, Po-Yao and Xu, Hu and Sharma, Vasu and Li, Shang-Wen and Galuba, Wojciech and Rabbat, Mike and Assran, Mido and Ballas, Nicolas and Synnaeve, Gabriel and Misra, Ishan and Jegou, Herve and Mairal, Julien and Labatut, Patrick and Joulin, Armand and Bojanowski, Piotr},
|
198 |
+
journal={arXiv:2304.07193},
|
199 |
+
year={2023}
|
200 |
+
}
|
201 |
+
```
|
dinov2/README.md
ADDED
@@ -0,0 +1,248 @@
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|
|
|
|
|
|
1 |
+
# DINOv2: Learning Robust Visual Features without Supervision
|
2 |
+
|
3 |
+
**[Meta AI Research, FAIR](https://ai.facebook.com/research/)**
|
4 |
+
|
5 |
+
Maxime Oquab,
|
6 |
+
Timothée Darcet,
|
7 |
+
Théo Moutakanni,
|
8 |
+
Huy Vo,
|
9 |
+
Marc Szafraniec,
|
10 |
+
Vasil Khalidov,
|
11 |
+
Patrick Labatut,
|
12 |
+
Armand Joulin,
|
13 |
+
Piotr Bojanowski
|
14 |
+
|
15 |
+
[[`Paper`](https://arxiv.org/abs/2304.07193)] [[`Blog`](https://ai.facebook.com/blog/dino-v2-computer-vision-self-supervised-learning/)] [[`Demo`](https://dinov2.metademolab.com)] [[`BibTeX`](#citing-dinov2)]
|
16 |
+
|
17 |
+
PyTorch implementation and pretrained models for DINOv2. For details, see the paper: **DINOv2: Learning Robust Visual Features without Supervision**.
|
18 |
+
|
19 |
+
DINOv2 models produce high-performance visual features that can be directly employed with classifiers as simple as linear layers on a variety of computer vision tasks; these visual features are robust and perform well across domains without any requirement for fine-tuning. The models were pretrained on a dataset of 142 M images without using any labels or annotations.
|
20 |
+
|
21 |
+
|
22 |
+
https://user-images.githubusercontent.com/60359573/230078733-5faffa19-e6ce-4c55-9200-62dd76f8236a.mp4
|
23 |
+
|
24 |
+
<div align="center">
|
25 |
+
Visualization of the three first principal components of the patch features of all frames, mapped to RGB values.
|
26 |
+
</div>
|
27 |
+
|
28 |
+
## Pretrained models
|
29 |
+
|
30 |
+
<table>
|
31 |
+
<tr>
|
32 |
+
<th>model</th>
|
33 |
+
<th># of<br />params</th>
|
34 |
+
<th>ImageNet<br />k-NN</th>
|
35 |
+
<th>ImageNet<br />linear</th>
|
36 |
+
<th>download</th>
|
37 |
+
</tr>
|
38 |
+
<tr>
|
39 |
+
<td>ViT-S/14 distilled</td>
|
40 |
+
<td align="right">21 M</td>
|
41 |
+
<td align="right">79.0%</td>
|
42 |
+
<td align="right">81.1%</td>
|
43 |
+
<td><a href="https://dl.fbaipublicfiles.com/dinov2/dinov2_vits14/dinov2_vits14_pretrain.pth">backbone only</a></td>
|
44 |
+
</tr>
|
45 |
+
<tr>
|
46 |
+
<td>ViT-B/14 distilled</td>
|
47 |
+
<td align="right">86 M</td>
|
48 |
+
<td align="right">82.1%</td>
|
49 |
+
<td align="right">84.5%</td>
|
50 |
+
<td><a href="https://dl.fbaipublicfiles.com/dinov2/dinov2_vitb14/dinov2_vitb14_pretrain.pth">backbone only</a></td>
|
51 |
+
</tr>
|
52 |
+
<tr>
|
53 |
+
<td>ViT-L/14 distilled</td>
|
54 |
+
<td align="right">300 M</td>
|
55 |
+
<td align="right">83.5%</td>
|
56 |
+
<td align="right">86.3%</td>
|
57 |
+
<td><a href="https://dl.fbaipublicfiles.com/dinov2/dinov2_vitl14/dinov2_vitl14_pretrain.pth">backbone only</a></td>
|
58 |
+
</tr>
|
59 |
+
<tr>
|
60 |
+
<td>ViT-g/14</td>
|
61 |
+
<td align="right">1,100 M</td>
|
62 |
+
<td align="right">83.5%</td>
|
63 |
+
<td align="right">86.5%</td>
|
64 |
+
<td><a href="https://dl.fbaipublicfiles.com/dinov2/dinov2_vitg14/dinov2_vitg14_pretrain.pth">backbone only</a></td>
|
65 |
+
</tr>
|
66 |
+
</table>
|
67 |
+
|
68 |
+
|
69 |
+
### Pretrained models via PyTorch Hub
|
70 |
+
|
71 |
+
Please follow the instructions [here](https://pytorch.org/get-started/locally/) to install the PyTorch and torchvision dependencies (these are the only required dependencies). Installing both PyTorch and torchvision with CUDA support is strongly recommended.
|
72 |
+
|
73 |
+
The corresponding model card can be found in the [[`MODEL_CARD.md`](MODEL_CARD.md)] file.
|
74 |
+
|
75 |
+
```python
|
76 |
+
import torch
|
77 |
+
|
78 |
+
dinov2_vits14 = torch.hub.load('facebookresearch/dinov2', 'dinov2_vits14')
|
79 |
+
dinov2_vitb14 = torch.hub.load('facebookresearch/dinov2', 'dinov2_vitb14')
|
80 |
+
dinov2_vitl14 = torch.hub.load('facebookresearch/dinov2', 'dinov2_vitl14')
|
81 |
+
dinov2_vitg14 = torch.hub.load('facebookresearch/dinov2', 'dinov2_vitg14')
|
82 |
+
```
|
83 |
+
|
84 |
+
## Installation
|
85 |
+
|
86 |
+
The training and evaluation code requires PyTorch 2.0 and xFormers 0.0.18 as well as a number of other 3rd party packages. To setup all the required dependencies for training and evaluation, please follow the instructions below:
|
87 |
+
|
88 |
+
*conda* **(Recommended)** - Create and activate a `dinov2` conda environment using the provided environment definition:
|
89 |
+
|
90 |
+
```shell
|
91 |
+
conda env create -f conda.yaml
|
92 |
+
conda activate dinov2
|
93 |
+
```
|
94 |
+
|
95 |
+
*pip* - Use the provided `requirements.txt` to install the dependencies:
|
96 |
+
|
97 |
+
```shell
|
98 |
+
pip install -r requirements.txt
|
99 |
+
```
|
100 |
+
|
101 |
+
## Data preparation
|
102 |
+
|
103 |
+
Expected contents for the ImageNet-1k data folder:
|
104 |
+
- `<root>/test/ILSVRC2012_test_00000001.JPEG`
|
105 |
+
- `<root>/test/[..]`
|
106 |
+
- `<root>/test/ILSVRC2012_test_00100000.JPEG`
|
107 |
+
- `<root>/train/n01440764/n01440764_10026.JPEG`
|
108 |
+
- `<root>/train/[...]`
|
109 |
+
- `<root>/train/n15075141/n15075141_9993.JPEG`
|
110 |
+
- `<root>/val/n01440764/ILSVRC2012_val_00000293.JPEG`
|
111 |
+
- `<root>/val/[...]`
|
112 |
+
- `<root>/val/n15075141/ILSVRC2012_val_00049174.JPEG`
|
113 |
+
- `<root>/labels.txt`
|
114 |
+
|
115 |
+
For ImageNet-22k, please adapt the Dataset object accordingly.
|
116 |
+
|
117 |
+
## Training
|
118 |
+
|
119 |
+
### Fast setup: training DINOv2 ViT-L/16 on ImageNet-1k
|
120 |
+
|
121 |
+
Run DINOv2 on 4 A100-80GB nodes (32 GPUs) in a SLURM cluster environment with submitit.
|
122 |
+
|
123 |
+
```shell
|
124 |
+
python dinov2/run/train/train.py \
|
125 |
+
--nodes 4 \
|
126 |
+
--config-file dinov2/configs/train/vitl16_short.yaml \
|
127 |
+
--output-dir <PATH/TO/OUTPUT/DIR> \
|
128 |
+
train.dataset_path=ImageNet:split=TRAIN:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET>
|
129 |
+
```
|
130 |
+
|
131 |
+
Training time is approximately 1 day and the resulting checkpoint should reach 81.6% on k-NN eval and 82.9% on linear eval.
|
132 |
+
|
133 |
+
The training code saves the weights of the teacher in the `eval` folder every 12500 iterations for evaluation.
|
134 |
+
|
135 |
+
### Long setup: training DINOv2 ViT-L/14 on ImageNet-22k
|
136 |
+
|
137 |
+
Run on 12 A100-80GB nodes (96 GPUs) in a SLURM cluster environment with submitit.
|
138 |
+
|
139 |
+
```
|
140 |
+
python dinov2/run/train/train.py \
|
141 |
+
--nodes 12 \
|
142 |
+
--config-file dinov2/configs/train/vitl14.yaml \
|
143 |
+
--output-dir <PATH/TO/OUTPUT/DIR> \
|
144 |
+
train.dataset_path=ImageNet22k:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET>
|
145 |
+
```
|
146 |
+
|
147 |
+
Training time is approximately 3.3 days and the resulting checkpoint should reach 82.0% on k-NN eval and 84.5% on linear eval.
|
148 |
+
|
149 |
+
The training code saves the weights of the teacher in the `eval` folder every 12500 iterations for evaluation.
|
150 |
+
|
151 |
+
|
152 |
+
## Evaluation
|
153 |
+
|
154 |
+
The training code regularly saves the teacher weights. In order to evaluate the model, run the following evaluation on a single node:
|
155 |
+
|
156 |
+
### k-NN classification on ImageNet-1k
|
157 |
+
|
158 |
+
```
|
159 |
+
python dinov2/run/eval/knn.py \
|
160 |
+
--config-file <PATH/TO/OUTPUT/DIR>/config.yaml \
|
161 |
+
--pretrained-weights <PATH/TO/OUTPUT/DIR>/eval/training_24999/teacher_checkpoint.pth \
|
162 |
+
--output-dir <PATH/TO/OUTPUT/DIR>/eval/training_24999/knn \
|
163 |
+
--train-dataset ImageNet:split=TRAIN:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET> \
|
164 |
+
--val-dataset ImageNet:split=VAL:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET>
|
165 |
+
```
|
166 |
+
|
167 |
+
### Logistic regression classification on ImageNet-1k
|
168 |
+
|
169 |
+
```
|
170 |
+
python dinov2/run/eval/log_regression.py \
|
171 |
+
--config-file <PATH/TO/OUTPUT/DIR>/config.yaml \
|
172 |
+
--pretrained-weights <PATH/TO/OUTPUT/DIR>/eval/training_24999/teacher_checkpoint.pth \
|
173 |
+
--output-dir <PATH/TO/OUTPUT/DIR>/eval/training_24999/logreg \
|
174 |
+
--train-dataset ImageNet:split=TRAIN:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET> \
|
175 |
+
--val-dataset ImageNet:split=VAL:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET>
|
176 |
+
```
|
177 |
+
|
178 |
+
### Linear classification with data augmentation on ImageNet-1k
|
179 |
+
|
180 |
+
```
|
181 |
+
python dinov2/run/eval/linear.py \
|
182 |
+
--config-file <PATH/TO/OUTPUT/DIR>/config.yaml \
|
183 |
+
--pretrained-weights <PATH/TO/OUTPUT/DIR>/eval/training_24999/teacher_checkpoint.pth \
|
184 |
+
--output-dir <PATH/TO/OUTPUT/DIR>/eval/training_24999/linear \
|
185 |
+
--train-dataset ImageNet:split=TRAIN:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET> \
|
186 |
+
--val-dataset ImageNet:split=VAL:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET>
|
187 |
+
```
|
188 |
+
|
189 |
+
We release the weights from evaluating the different models:
|
190 |
+
|
191 |
+
<table>
|
192 |
+
<tr>
|
193 |
+
<th>model</th>
|
194 |
+
<th>ImageNet<br />top-1</th>
|
195 |
+
<th>linear evaluation</th>
|
196 |
+
</tr>
|
197 |
+
<tr>
|
198 |
+
<td>ViT-S/14 distilled</td>
|
199 |
+
<td align="right">81.1%</td>
|
200 |
+
<td><a href="https://dl.fbaipublicfiles.com/dinov2/dinov2_vits14/dinov2_vits14_linear_head.pth">linear head weights</a></td>
|
201 |
+
</tr>
|
202 |
+
<tr>
|
203 |
+
<td>ViT-B/14 distilled</td>
|
204 |
+
<td align="right">84.5%</td>
|
205 |
+
<td><a href="https://dl.fbaipublicfiles.com/dinov2/dinov2_vitb14/dinov2_vitb14_linear_head.pth">linear head weights</a></td>
|
206 |
+
</tr>
|
207 |
+
<tr>
|
208 |
+
<td>ViT-L/14 distilled</td>
|
209 |
+
<td align="right">86.3%</td>
|
210 |
+
<td><a href="https://dl.fbaipublicfiles.com/dinov2/dinov2_vitl14/dinov2_vitl14_linear_head.pth">linear head weights</a></td>
|
211 |
+
</tr>
|
212 |
+
<tr>
|
213 |
+
<td>ViT-g/14</td>
|
214 |
+
<td align="right">86.5%</td>
|
215 |
+
<td><a href="https://dl.fbaipublicfiles.com/dinov2/dinov2_vitg14/dinov2_vitg14_linear_head.pth">linear head weights</a></td>
|
216 |
+
</tr>
|
217 |
+
</table>
|
218 |
+
|
219 |
+
The performance of the provided pretrained model weights can be evaluated as follows on ImageNet-1k:
|
220 |
+
|
221 |
+
```
|
222 |
+
python dinov2/run/eval/linear.py \
|
223 |
+
--config-file dinov2/configs/eval/vitg14_pretrain.yaml \
|
224 |
+
--pretrained-weights https://dl.fbaipublicfiles.com/dinov2/dinov2_vitg14/dinov2_vitg14_pretrain.pth \
|
225 |
+
--train-dataset ImageNet:split=TRAIN:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET> \
|
226 |
+
--val-dataset ImageNet:split=VAL:root=<PATH/TO/DATASET>:extra=<PATH/TO/DATASET>
|
227 |
+
```
|
228 |
+
|
229 |
+
## License
|
230 |
+
|
231 |
+
This repository and the models are released under the CC-BY-NC as found in the [LICENSE](LICENSE) file.
|
232 |
+
|
233 |
+
## Contributing
|
234 |
+
|
235 |
+
See [contributing](CONTRIBUTING.md) and the [code of conduct](CODE_OF_CONDUCT.md).
|
236 |
+
|
237 |
+
## Citing DINOv2
|
238 |
+
|
239 |
+
If you find this repository useful, please consider giving a star :star: and citation :t-rex::
|
240 |
+
|
241 |
+
```
|
242 |
+
@misc{oquab2023dinov2,
|
243 |
+
title={DINOv2: Learning Robust Visual Features without Supervision},
|
244 |
+
author={Oquab, Maxime and Darcet, Timothée and Moutakanni, Theo and Vo, Huy and Szafraniec, Marc and Khalidov, Vasil and Fernandez, Pierre and Haziza, Daniel and Massa, Francisco and El-Nouby, Alaaeldin and Howes, Russell and Huang, Po-Yao and Xu, Hu and Sharma, Vasu and Li, Shang-Wen and Galuba, Wojciech and Rabbat, Mike and Assran, Mido and Ballas, Nicolas and Synnaeve, Gabriel and Misra, Ishan and Jegou, Herve and Mairal, Julien and Labatut, Patrick and Joulin, Armand and Bojanowski, Piotr},
|
245 |
+
journal={arXiv:2304.07193},
|
246 |
+
year={2023}
|
247 |
+
}
|
248 |
+
```
|
dinov2/conda.yaml
ADDED
@@ -0,0 +1,22 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
name: dinov2
|
2 |
+
channels:
|
3 |
+
- defaults
|
4 |
+
- pytorch
|
5 |
+
- nvidia
|
6 |
+
- xformers
|
7 |
+
- conda-forge
|
8 |
+
dependencies:
|
9 |
+
- python=3.9
|
10 |
+
- pytorch::pytorch=2.0.0
|
11 |
+
- pytorch::pytorch-cuda=11.7.0
|
12 |
+
- pytorch::torchvision=0.15.0
|
13 |
+
- omegaconf
|
14 |
+
- torchmetrics=0.10.3
|
15 |
+
- fvcore
|
16 |
+
- iopath
|
17 |
+
- xformers::xformers=0.0.18
|
18 |
+
- pip
|
19 |
+
- pip:
|
20 |
+
- git+https://github.com/facebookincubator/submitit
|
21 |
+
- --extra-index-url https://pypi.nvidia.com
|
22 |
+
- cuml-cu11
|
dinov2/dinov2/__init__.py
ADDED
@@ -0,0 +1,7 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
__version__ = "0.0.1"
|
dinov2/dinov2/configs/__init__.py
ADDED
@@ -0,0 +1,23 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import pathlib
|
8 |
+
|
9 |
+
from omegaconf import OmegaConf
|
10 |
+
|
11 |
+
|
12 |
+
def load_config(config_name: str):
|
13 |
+
config_filename = config_name + ".yaml"
|
14 |
+
return OmegaConf.load(pathlib.Path(__file__).parent.resolve() / config_filename)
|
15 |
+
|
16 |
+
|
17 |
+
dinov2_default_config = load_config("ssl_default_config")
|
18 |
+
|
19 |
+
|
20 |
+
def load_and_merge_config(config_name: str):
|
21 |
+
default_config = OmegaConf.create(dinov2_default_config)
|
22 |
+
loaded_config = load_config(config_name)
|
23 |
+
return OmegaConf.merge(default_config, loaded_config)
|
dinov2/dinov2/configs/eval/vitb14_pretrain.yaml
ADDED
@@ -0,0 +1,6 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
student:
|
2 |
+
arch: vit_base
|
3 |
+
patch_size: 14
|
4 |
+
crops:
|
5 |
+
global_crops_size: 518 # this is to set up the position embeddings properly
|
6 |
+
local_crops_size: 98
|
dinov2/dinov2/configs/eval/vitg14_pretrain.yaml
ADDED
@@ -0,0 +1,7 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
student:
|
2 |
+
arch: vit_giant2
|
3 |
+
patch_size: 14
|
4 |
+
ffn_layer: swiglufused
|
5 |
+
crops:
|
6 |
+
global_crops_size: 518 # this is to set up the position embeddings properly
|
7 |
+
local_crops_size: 98
|
dinov2/dinov2/configs/eval/vitl14_pretrain.yaml
ADDED
@@ -0,0 +1,6 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
student:
|
2 |
+
arch: vit_large
|
3 |
+
patch_size: 14
|
4 |
+
crops:
|
5 |
+
global_crops_size: 518 # this is to set up the position embeddings properly
|
6 |
+
local_crops_size: 98
|
dinov2/dinov2/configs/eval/vits14_pretrain.yaml
ADDED
@@ -0,0 +1,6 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
student:
|
2 |
+
arch: vit_small
|
3 |
+
patch_size: 14
|
4 |
+
crops:
|
5 |
+
global_crops_size: 518 # this is to set up the position embeddings properly
|
6 |
+
local_crops_size: 98
|
dinov2/dinov2/configs/ssl_default_config.yaml
ADDED
@@ -0,0 +1,115 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
MODEL:
|
2 |
+
WEIGHTS: ''
|
3 |
+
compute_precision:
|
4 |
+
grad_scaler: true
|
5 |
+
teacher:
|
6 |
+
backbone:
|
7 |
+
sharding_strategy: SHARD_GRAD_OP
|
8 |
+
mixed_precision:
|
9 |
+
param_dtype: fp16
|
10 |
+
reduce_dtype: fp16
|
11 |
+
buffer_dtype: fp32
|
12 |
+
dino_head:
|
13 |
+
sharding_strategy: SHARD_GRAD_OP
|
14 |
+
mixed_precision:
|
15 |
+
param_dtype: fp16
|
16 |
+
reduce_dtype: fp16
|
17 |
+
buffer_dtype: fp32
|
18 |
+
ibot_head:
|
19 |
+
sharding_strategy: SHARD_GRAD_OP
|
20 |
+
mixed_precision:
|
21 |
+
param_dtype: fp16
|
22 |
+
reduce_dtype: fp16
|
23 |
+
buffer_dtype: fp32
|
24 |
+
student:
|
25 |
+
backbone:
|
26 |
+
sharding_strategy: SHARD_GRAD_OP
|
27 |
+
mixed_precision:
|
28 |
+
param_dtype: fp16
|
29 |
+
reduce_dtype: fp16
|
30 |
+
buffer_dtype: fp32
|
31 |
+
dino_head:
|
32 |
+
sharding_strategy: SHARD_GRAD_OP
|
33 |
+
mixed_precision:
|
34 |
+
param_dtype: fp16
|
35 |
+
reduce_dtype: fp32
|
36 |
+
buffer_dtype: fp32
|
37 |
+
ibot_head:
|
38 |
+
sharding_strategy: SHARD_GRAD_OP
|
39 |
+
mixed_precision:
|
40 |
+
param_dtype: fp16
|
41 |
+
reduce_dtype: fp32
|
42 |
+
buffer_dtype: fp32
|
43 |
+
dino:
|
44 |
+
loss_weight: 1.0
|
45 |
+
head_n_prototypes: 65536
|
46 |
+
head_bottleneck_dim: 256
|
47 |
+
head_nlayers: 3
|
48 |
+
head_hidden_dim: 2048
|
49 |
+
koleo_loss_weight: 0.1
|
50 |
+
ibot:
|
51 |
+
loss_weight: 1.0
|
52 |
+
mask_sample_probability: 0.5
|
53 |
+
mask_ratio_min_max:
|
54 |
+
- 0.1
|
55 |
+
- 0.5
|
56 |
+
separate_head: false
|
57 |
+
head_n_prototypes: 65536
|
58 |
+
head_bottleneck_dim: 256
|
59 |
+
head_nlayers: 3
|
60 |
+
head_hidden_dim: 2048
|
61 |
+
train:
|
62 |
+
batch_size_per_gpu: 64
|
63 |
+
dataset_path: ImageNet:split=TRAIN
|
64 |
+
output_dir: .
|
65 |
+
saveckp_freq: 20
|
66 |
+
seed: 0
|
67 |
+
num_workers: 10
|
68 |
+
OFFICIAL_EPOCH_LENGTH: 1250
|
69 |
+
cache_dataset: true
|
70 |
+
centering: "centering" # or "sinkhorn_knopp"
|
71 |
+
student:
|
72 |
+
arch: vit_large
|
73 |
+
patch_size: 16
|
74 |
+
drop_path_rate: 0.3
|
75 |
+
layerscale: 1.0e-05
|
76 |
+
drop_path_uniform: true
|
77 |
+
pretrained_weights: ''
|
78 |
+
ffn_layer: "mlp"
|
79 |
+
block_chunks: 0
|
80 |
+
qkv_bias: true
|
81 |
+
proj_bias: true
|
82 |
+
ffn_bias: true
|
83 |
+
teacher:
|
84 |
+
momentum_teacher: 0.992
|
85 |
+
final_momentum_teacher: 1
|
86 |
+
warmup_teacher_temp: 0.04
|
87 |
+
teacher_temp: 0.07
|
88 |
+
warmup_teacher_temp_epochs: 30
|
89 |
+
optim:
|
90 |
+
epochs: 100
|
91 |
+
weight_decay: 0.04
|
92 |
+
weight_decay_end: 0.4
|
93 |
+
base_lr: 0.004 # learning rate for a batch size of 1024
|
94 |
+
lr: 0. # will be set after applying scaling rule
|
95 |
+
warmup_epochs: 10
|
96 |
+
min_lr: 1.0e-06
|
97 |
+
clip_grad: 3.0
|
98 |
+
freeze_last_layer_epochs: 1
|
99 |
+
scaling_rule: sqrt_wrt_1024
|
100 |
+
patch_embed_lr_mult: 0.2
|
101 |
+
layerwise_decay: 0.9
|
102 |
+
adamw_beta1: 0.9
|
103 |
+
adamw_beta2: 0.999
|
104 |
+
crops:
|
105 |
+
global_crops_scale:
|
106 |
+
- 0.32
|
107 |
+
- 1.0
|
108 |
+
local_crops_number: 8
|
109 |
+
local_crops_scale:
|
110 |
+
- 0.05
|
111 |
+
- 0.32
|
112 |
+
global_crops_size: 224
|
113 |
+
local_crops_size: 96
|
114 |
+
evaluation:
|
115 |
+
eval_period_iterations: 12500
|
dinov2/dinov2/configs/train/vitg14.yaml
ADDED
@@ -0,0 +1,26 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
dino:
|
2 |
+
head_n_prototypes: 131072
|
3 |
+
head_bottleneck_dim: 384
|
4 |
+
ibot:
|
5 |
+
separate_head: true
|
6 |
+
head_n_prototypes: 131072
|
7 |
+
train:
|
8 |
+
batch_size_per_gpu: 12
|
9 |
+
dataset_path: ImageNet22k
|
10 |
+
centering: sinkhorn_knopp
|
11 |
+
student:
|
12 |
+
arch: vit_giant2
|
13 |
+
patch_size: 14
|
14 |
+
drop_path_rate: 0.4
|
15 |
+
ffn_layer: swiglufused
|
16 |
+
block_chunks: 4
|
17 |
+
teacher:
|
18 |
+
momentum_teacher: 0.994
|
19 |
+
optim:
|
20 |
+
epochs: 500
|
21 |
+
weight_decay_end: 0.2
|
22 |
+
base_lr: 2.0e-04 # learning rate for a batch size of 1024
|
23 |
+
warmup_epochs: 80
|
24 |
+
layerwise_decay: 1.0
|
25 |
+
crops:
|
26 |
+
local_crops_size: 98
|
dinov2/dinov2/configs/train/vitl14.yaml
ADDED
@@ -0,0 +1,26 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
dino:
|
2 |
+
head_n_prototypes: 131072
|
3 |
+
head_bottleneck_dim: 384
|
4 |
+
ibot:
|
5 |
+
separate_head: true
|
6 |
+
head_n_prototypes: 131072
|
7 |
+
train:
|
8 |
+
batch_size_per_gpu: 32
|
9 |
+
dataset_path: ImageNet22k
|
10 |
+
centering: sinkhorn_knopp
|
11 |
+
student:
|
12 |
+
arch: vit_large
|
13 |
+
patch_size: 14
|
14 |
+
drop_path_rate: 0.4
|
15 |
+
ffn_layer: swiglufused
|
16 |
+
block_chunks: 4
|
17 |
+
teacher:
|
18 |
+
momentum_teacher: 0.994
|
19 |
+
optim:
|
20 |
+
epochs: 500
|
21 |
+
weight_decay_end: 0.2
|
22 |
+
base_lr: 2.0e-04 # learning rate for a batch size of 1024
|
23 |
+
warmup_epochs: 80
|
24 |
+
layerwise_decay: 1.0
|
25 |
+
crops:
|
26 |
+
local_crops_size: 98
|
dinov2/dinov2/configs/train/vitl16_short.yaml
ADDED
@@ -0,0 +1,6 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# this corresponds to the default config
|
2 |
+
train:
|
3 |
+
dataset_path: ImageNet:split=TRAIN
|
4 |
+
batch_size_per_gpu: 64
|
5 |
+
student:
|
6 |
+
block_chunks: 4
|
dinov2/dinov2/data/__init__.py
ADDED
@@ -0,0 +1,11 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
from .adapters import DatasetWithEnumeratedTargets
|
8 |
+
from .loaders import make_data_loader, make_dataset, SamplerType
|
9 |
+
from .collate import collate_data_and_cast
|
10 |
+
from .masking import MaskingGenerator
|
11 |
+
from .augmentations import DataAugmentationDINO
|
dinov2/dinov2/data/adapters.py
ADDED
@@ -0,0 +1,32 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
from typing import Any, Tuple
|
8 |
+
|
9 |
+
from torch.utils.data import Dataset
|
10 |
+
|
11 |
+
|
12 |
+
class DatasetWithEnumeratedTargets(Dataset):
|
13 |
+
def __init__(self, dataset):
|
14 |
+
self._dataset = dataset
|
15 |
+
|
16 |
+
def get_image_data(self, index: int) -> bytes:
|
17 |
+
return self._dataset.get_image_data(index)
|
18 |
+
|
19 |
+
def get_target(self, index: int) -> Tuple[Any, int]:
|
20 |
+
target = self._dataset.get_target(index)
|
21 |
+
return (index, target)
|
22 |
+
|
23 |
+
def get_sample_decoder(self, index: int) -> Any:
|
24 |
+
return self._dataset.get_sample_decoder(index)
|
25 |
+
|
26 |
+
def __getitem__(self, index: int) -> Tuple[Any, Tuple[Any, int]]:
|
27 |
+
image, target = self._dataset[index]
|
28 |
+
target = index if target is None else target
|
29 |
+
return image, (index, target)
|
30 |
+
|
31 |
+
def __len__(self) -> int:
|
32 |
+
return len(self._dataset)
|
dinov2/dinov2/data/augmentations.py
ADDED
@@ -0,0 +1,119 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import logging
|
8 |
+
|
9 |
+
from torchvision import transforms
|
10 |
+
|
11 |
+
from .transforms import (
|
12 |
+
GaussianBlur,
|
13 |
+
make_normalize_transform,
|
14 |
+
)
|
15 |
+
|
16 |
+
|
17 |
+
logger = logging.getLogger("dinov2")
|
18 |
+
|
19 |
+
|
20 |
+
class DataAugmentationDINO(object):
|
21 |
+
def __init__(
|
22 |
+
self,
|
23 |
+
global_crops_scale,
|
24 |
+
local_crops_scale,
|
25 |
+
local_crops_number,
|
26 |
+
global_crops_size=224,
|
27 |
+
local_crops_size=96,
|
28 |
+
):
|
29 |
+
self.global_crops_scale = global_crops_scale
|
30 |
+
self.local_crops_scale = local_crops_scale
|
31 |
+
self.local_crops_number = local_crops_number
|
32 |
+
self.global_crops_size = global_crops_size
|
33 |
+
self.local_crops_size = local_crops_size
|
34 |
+
|
35 |
+
logger.info("###################################")
|
36 |
+
logger.info("Using data augmentation parameters:")
|
37 |
+
logger.info(f"global_crops_scale: {global_crops_scale}")
|
38 |
+
logger.info(f"local_crops_scale: {local_crops_scale}")
|
39 |
+
logger.info(f"local_crops_number: {local_crops_number}")
|
40 |
+
logger.info(f"global_crops_size: {global_crops_size}")
|
41 |
+
logger.info(f"local_crops_size: {local_crops_size}")
|
42 |
+
logger.info("###################################")
|
43 |
+
|
44 |
+
# random resized crop and flip
|
45 |
+
self.geometric_augmentation_global = transforms.Compose(
|
46 |
+
[
|
47 |
+
transforms.RandomResizedCrop(
|
48 |
+
global_crops_size, scale=global_crops_scale, interpolation=transforms.InterpolationMode.BICUBIC
|
49 |
+
),
|
50 |
+
transforms.RandomHorizontalFlip(p=0.5),
|
51 |
+
]
|
52 |
+
)
|
53 |
+
|
54 |
+
self.geometric_augmentation_local = transforms.Compose(
|
55 |
+
[
|
56 |
+
transforms.RandomResizedCrop(
|
57 |
+
local_crops_size, scale=local_crops_scale, interpolation=transforms.InterpolationMode.BICUBIC
|
58 |
+
),
|
59 |
+
transforms.RandomHorizontalFlip(p=0.5),
|
60 |
+
]
|
61 |
+
)
|
62 |
+
|
63 |
+
# color distorsions / blurring
|
64 |
+
color_jittering = transforms.Compose(
|
65 |
+
[
|
66 |
+
transforms.RandomApply(
|
67 |
+
[transforms.ColorJitter(brightness=0.4, contrast=0.4, saturation=0.2, hue=0.1)],
|
68 |
+
p=0.8,
|
69 |
+
),
|
70 |
+
transforms.RandomGrayscale(p=0.2),
|
71 |
+
]
|
72 |
+
)
|
73 |
+
|
74 |
+
global_transfo1_extra = GaussianBlur(p=1.0)
|
75 |
+
|
76 |
+
global_transfo2_extra = transforms.Compose(
|
77 |
+
[
|
78 |
+
GaussianBlur(p=0.1),
|
79 |
+
transforms.RandomSolarize(threshold=128, p=0.2),
|
80 |
+
]
|
81 |
+
)
|
82 |
+
|
83 |
+
local_transfo_extra = GaussianBlur(p=0.5)
|
84 |
+
|
85 |
+
# normalization
|
86 |
+
self.normalize = transforms.Compose(
|
87 |
+
[
|
88 |
+
transforms.ToTensor(),
|
89 |
+
make_normalize_transform(),
|
90 |
+
]
|
91 |
+
)
|
92 |
+
|
93 |
+
self.global_transfo1 = transforms.Compose([color_jittering, global_transfo1_extra, self.normalize])
|
94 |
+
self.global_transfo2 = transforms.Compose([color_jittering, global_transfo2_extra, self.normalize])
|
95 |
+
self.local_transfo = transforms.Compose([color_jittering, local_transfo_extra, self.normalize])
|
96 |
+
|
97 |
+
def __call__(self, image):
|
98 |
+
output = {}
|
99 |
+
|
100 |
+
# global crops:
|
101 |
+
im1_base = self.geometric_augmentation_global(image)
|
102 |
+
global_crop_1 = self.global_transfo1(im1_base)
|
103 |
+
|
104 |
+
im2_base = self.geometric_augmentation_global(image)
|
105 |
+
global_crop_2 = self.global_transfo2(im2_base)
|
106 |
+
|
107 |
+
output["global_crops"] = [global_crop_1, global_crop_2]
|
108 |
+
|
109 |
+
# global crops for teacher:
|
110 |
+
output["global_crops_teacher"] = [global_crop_1, global_crop_2]
|
111 |
+
|
112 |
+
# local crops:
|
113 |
+
local_crops = [
|
114 |
+
self.local_transfo(self.geometric_augmentation_local(image)) for _ in range(self.local_crops_number)
|
115 |
+
]
|
116 |
+
output["local_crops"] = local_crops
|
117 |
+
output["offsets"] = ()
|
118 |
+
|
119 |
+
return output
|
dinov2/dinov2/data/collate.py
ADDED
@@ -0,0 +1,50 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import torch
|
8 |
+
import random
|
9 |
+
|
10 |
+
|
11 |
+
def collate_data_and_cast(samples_list, mask_ratio_tuple, mask_probability, dtype, n_tokens=None, mask_generator=None):
|
12 |
+
# dtype = torch.half # TODO: Remove
|
13 |
+
|
14 |
+
n_global_crops = len(samples_list[0][0]["global_crops"])
|
15 |
+
n_local_crops = len(samples_list[0][0]["local_crops"])
|
16 |
+
|
17 |
+
collated_global_crops = torch.stack([s[0]["global_crops"][i] for i in range(n_global_crops) for s in samples_list])
|
18 |
+
|
19 |
+
collated_local_crops = torch.stack([s[0]["local_crops"][i] for i in range(n_local_crops) for s in samples_list])
|
20 |
+
|
21 |
+
B = len(collated_global_crops)
|
22 |
+
N = n_tokens
|
23 |
+
n_samples_masked = int(B * mask_probability)
|
24 |
+
probs = torch.linspace(*mask_ratio_tuple, n_samples_masked + 1)
|
25 |
+
upperbound = 0
|
26 |
+
masks_list = []
|
27 |
+
for i in range(0, n_samples_masked):
|
28 |
+
prob_min = probs[i]
|
29 |
+
prob_max = probs[i + 1]
|
30 |
+
masks_list.append(torch.BoolTensor(mask_generator(int(N * random.uniform(prob_min, prob_max)))))
|
31 |
+
upperbound += int(N * prob_max)
|
32 |
+
for i in range(n_samples_masked, B):
|
33 |
+
masks_list.append(torch.BoolTensor(mask_generator(0)))
|
34 |
+
|
35 |
+
random.shuffle(masks_list)
|
36 |
+
|
37 |
+
collated_masks = torch.stack(masks_list).flatten(1)
|
38 |
+
mask_indices_list = collated_masks.flatten().nonzero().flatten()
|
39 |
+
|
40 |
+
masks_weight = (1 / collated_masks.sum(-1).clamp(min=1.0)).unsqueeze(-1).expand_as(collated_masks)[collated_masks]
|
41 |
+
|
42 |
+
return {
|
43 |
+
"collated_global_crops": collated_global_crops.to(dtype),
|
44 |
+
"collated_local_crops": collated_local_crops.to(dtype),
|
45 |
+
"collated_masks": collated_masks,
|
46 |
+
"mask_indices_list": mask_indices_list,
|
47 |
+
"masks_weight": masks_weight,
|
48 |
+
"upperbound": upperbound,
|
49 |
+
"n_masked_patches": torch.full((1,), fill_value=mask_indices_list.shape[0], dtype=torch.long),
|
50 |
+
}
|
dinov2/dinov2/data/datasets/__init__.py
ADDED
@@ -0,0 +1,8 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
from .image_net import ImageNet
|
8 |
+
from .image_net_22k import ImageNet22k
|
dinov2/dinov2/data/datasets/decoders.py
ADDED
@@ -0,0 +1,40 @@
|
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|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
from io import BytesIO
|
8 |
+
from typing import Any, Tuple
|
9 |
+
|
10 |
+
from PIL import Image
|
11 |
+
|
12 |
+
|
13 |
+
class Decoder:
|
14 |
+
def decode(self) -> Any:
|
15 |
+
raise NotImplementedError
|
16 |
+
|
17 |
+
|
18 |
+
class ImageDataDecoder(Decoder):
|
19 |
+
def __init__(self, image_data: bytes) -> None:
|
20 |
+
self._image_data = image_data
|
21 |
+
|
22 |
+
def decode(self) -> Image:
|
23 |
+
f = BytesIO(self._image_data)
|
24 |
+
return Image.open(f).convert(mode="RGB")
|
25 |
+
|
26 |
+
|
27 |
+
class TargetDecoder(Decoder):
|
28 |
+
def __init__(self, target: Any):
|
29 |
+
self._target = target
|
30 |
+
|
31 |
+
def decode(self) -> Any:
|
32 |
+
return self._target
|
33 |
+
|
34 |
+
|
35 |
+
class TupleDecoder(Decoder):
|
36 |
+
def __init__(self, *decoders: Decoder):
|
37 |
+
self._decoders: Tuple[Decoder, ...] = decoders
|
38 |
+
|
39 |
+
def decode(self) -> Any:
|
40 |
+
return (decoder.decode() for decoder in self._decoders)
|
dinov2/dinov2/data/datasets/extended.py
ADDED
@@ -0,0 +1,47 @@
|
|
|
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|
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|
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|
|
|
|
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|
|
|
|
|
|
|
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|
|
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|
|
|
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|
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|
|
|
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|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
from typing import Any, Tuple
|
8 |
+
|
9 |
+
from torchvision.datasets import VisionDataset
|
10 |
+
|
11 |
+
from .decoders import Decoder, TargetDecoder, ImageDataDecoder, TupleDecoder
|
12 |
+
|
13 |
+
|
14 |
+
class ExtendedVisionDataset(VisionDataset):
|
15 |
+
def __init__(self, *args, **kwargs) -> None:
|
16 |
+
super().__init__(*args, **kwargs) # type: ignore
|
17 |
+
|
18 |
+
def get_image_data(self, index: int) -> bytes:
|
19 |
+
raise NotImplementedError
|
20 |
+
|
21 |
+
def get_target(self, index: int) -> Any:
|
22 |
+
raise NotImplementedError
|
23 |
+
|
24 |
+
def __getitem__(self, index: int) -> Tuple[Any, Any]:
|
25 |
+
try:
|
26 |
+
image_data = self.get_image_data(index)
|
27 |
+
image = ImageDataDecoder(image_data).decode()
|
28 |
+
except Exception as e:
|
29 |
+
raise RuntimeError(f"can not read image for sample {index}") from e
|
30 |
+
target = self.get_target(index)
|
31 |
+
target = TargetDecoder(target).decode()
|
32 |
+
|
33 |
+
if self.transforms is not None:
|
34 |
+
image, target = self.transforms(image, target)
|
35 |
+
|
36 |
+
return image, target
|
37 |
+
|
38 |
+
def get_sample_decoder(self, index: int) -> Decoder:
|
39 |
+
image_data = self.get_image_data(index)
|
40 |
+
target = self.get_target(index)
|
41 |
+
return TupleDecoder(
|
42 |
+
ImageDataDecoder(image_data),
|
43 |
+
TargetDecoder(target),
|
44 |
+
)
|
45 |
+
|
46 |
+
def __len__(self) -> int:
|
47 |
+
raise NotImplementedError
|
dinov2/dinov2/data/datasets/image_net.py
ADDED
@@ -0,0 +1,251 @@
|
|
|
|
|
|
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|
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|
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|
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|
|
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|
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|
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|
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|
|
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|
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|
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|
|
|
|
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import csv
|
8 |
+
from enum import Enum
|
9 |
+
import os
|
10 |
+
from typing import Callable, List, Optional, Tuple, Union
|
11 |
+
|
12 |
+
import numpy as np
|
13 |
+
|
14 |
+
from .extended import ExtendedVisionDataset
|
15 |
+
|
16 |
+
|
17 |
+
_Labels = int
|
18 |
+
|
19 |
+
|
20 |
+
class _Split(Enum):
|
21 |
+
TRAIN = "train"
|
22 |
+
VAL = "val"
|
23 |
+
TEST = "test" # NOTE: torchvision does not support the test split
|
24 |
+
|
25 |
+
@property
|
26 |
+
def length(self) -> int:
|
27 |
+
split_lengths = {
|
28 |
+
_Split.TRAIN: 1_281_167,
|
29 |
+
_Split.VAL: 50_000,
|
30 |
+
_Split.TEST: 100_000,
|
31 |
+
}
|
32 |
+
return split_lengths[self]
|
33 |
+
|
34 |
+
def get_dirname(self, class_id: Optional[str] = None) -> str:
|
35 |
+
return self.value if class_id is None else os.path.join(self.value, class_id)
|
36 |
+
|
37 |
+
def get_image_relpath(self, actual_index: int, class_id: Optional[str] = None) -> str:
|
38 |
+
dirname = self.get_dirname(class_id)
|
39 |
+
if self == _Split.TRAIN:
|
40 |
+
basename = f"{class_id}_{actual_index}"
|
41 |
+
else: # self in (_Split.VAL, _Split.TEST):
|
42 |
+
basename = f"ILSVRC2012_{self.value}_{actual_index:08d}"
|
43 |
+
return os.path.join(dirname, basename + ".JPEG")
|
44 |
+
|
45 |
+
def parse_image_relpath(self, image_relpath: str) -> Tuple[str, int]:
|
46 |
+
assert self != _Split.TEST
|
47 |
+
dirname, filename = os.path.split(image_relpath)
|
48 |
+
class_id = os.path.split(dirname)[-1]
|
49 |
+
basename, _ = os.path.splitext(filename)
|
50 |
+
actual_index = int(basename.split("_")[-1])
|
51 |
+
return class_id, actual_index
|
52 |
+
|
53 |
+
|
54 |
+
class ImageNet(ExtendedVisionDataset):
|
55 |
+
Labels = Union[_Labels]
|
56 |
+
Split = Union[_Split]
|
57 |
+
|
58 |
+
def __init__(
|
59 |
+
self,
|
60 |
+
*,
|
61 |
+
split: "ImageNet.Split",
|
62 |
+
root: str,
|
63 |
+
extra: str,
|
64 |
+
transforms: Optional[Callable] = None,
|
65 |
+
transform: Optional[Callable] = None,
|
66 |
+
target_transform: Optional[Callable] = None,
|
67 |
+
) -> None:
|
68 |
+
super().__init__(root, transforms, transform, target_transform)
|
69 |
+
self._extra_root = extra
|
70 |
+
|
71 |
+
self._split = split
|
72 |
+
|
73 |
+
entries_path = self._get_entries_path(split, root)
|
74 |
+
self._entries = self._load_extra(entries_path)
|
75 |
+
|
76 |
+
self._class_ids = None
|
77 |
+
self._class_names = None
|
78 |
+
|
79 |
+
if split == _Split.TEST:
|
80 |
+
return
|
81 |
+
|
82 |
+
class_ids_path = self._get_class_ids_path(split, root)
|
83 |
+
self._class_ids = self._load_extra(class_ids_path)
|
84 |
+
|
85 |
+
class_names_path = self._get_class_names_path(split, root)
|
86 |
+
self._class_names = self._load_extra(class_names_path)
|
87 |
+
|
88 |
+
@property
|
89 |
+
def split(self) -> "ImageNet.Split":
|
90 |
+
return self._split
|
91 |
+
|
92 |
+
def _load_extra(self, extra_path: str) -> np.ndarray:
|
93 |
+
extra_root = self._extra_root
|
94 |
+
extra_full_path = os.path.join(extra_root, extra_path)
|
95 |
+
return np.load(extra_full_path, mmap_mode="r")
|
96 |
+
|
97 |
+
def _save_extra(self, extra_array: np.ndarray, extra_path: str) -> None:
|
98 |
+
extra_root = self._extra_root
|
99 |
+
extra_full_path = os.path.join(extra_root, extra_path)
|
100 |
+
os.makedirs(extra_root, exist_ok=True)
|
101 |
+
np.save(extra_full_path, extra_array)
|
102 |
+
|
103 |
+
def _get_entries_path(self, split: "ImageNet.Split", root: Optional[str] = None) -> str:
|
104 |
+
return f"entries-{split.value.upper()}.npy"
|
105 |
+
|
106 |
+
def _get_class_ids_path(self, split: "ImageNet.Split", root: Optional[str] = None) -> str:
|
107 |
+
return f"class-ids-{split.value.upper()}.npy"
|
108 |
+
|
109 |
+
def _get_class_names_path(self, split: "ImageNet.Split", root: Optional[str] = None) -> str:
|
110 |
+
return f"class-names-{split.value.upper()}.npy"
|
111 |
+
|
112 |
+
def find_class_id(self, class_index: int) -> str:
|
113 |
+
assert self._class_ids is not None
|
114 |
+
return str(self._class_ids[class_index])
|
115 |
+
|
116 |
+
def find_class_name(self, class_index: int) -> str:
|
117 |
+
assert self._class_names is not None
|
118 |
+
return str(self._class_names[class_index])
|
119 |
+
|
120 |
+
def get_image_data(self, index: int) -> bytes:
|
121 |
+
actual_index = self._entries[index]["actual_index"]
|
122 |
+
class_id = self.get_class_id(index)
|
123 |
+
image_relpath = self.split.get_image_relpath(actual_index, class_id)
|
124 |
+
image_full_path = os.path.join(self.root, image_relpath)
|
125 |
+
with open(image_full_path, mode="rb") as f:
|
126 |
+
image_data = f.read()
|
127 |
+
return image_data
|
128 |
+
|
129 |
+
def get_target(self, index: int) -> Optional[_Labels]:
|
130 |
+
class_index = self._entries[index]["class_index"]
|
131 |
+
return None if self.split == _Split.TEST else int(class_index)
|
132 |
+
|
133 |
+
def get_targets(self) -> Optional[np.ndarray]:
|
134 |
+
return None if self.split == _Split.TEST else self._entries["class_index"]
|
135 |
+
|
136 |
+
def get_class_id(self, index: int) -> Optional[str]:
|
137 |
+
class_id = self._entries[index]["class_id"]
|
138 |
+
return None if self.split == _Split.TEST else str(class_id)
|
139 |
+
|
140 |
+
def get_class_name(self, index: int) -> Optional[str]:
|
141 |
+
class_name = self._entries[index]["class_name"]
|
142 |
+
return None if self.split == _Split.TEST else str(class_name)
|
143 |
+
|
144 |
+
def __len__(self) -> int:
|
145 |
+
assert len(self._entries) == self.split.length
|
146 |
+
return len(self._entries)
|
147 |
+
|
148 |
+
def _load_labels(self, root: str) -> List[Tuple[str, str]]:
|
149 |
+
path = os.path.join(root, "labels.txt")
|
150 |
+
labels = []
|
151 |
+
|
152 |
+
try:
|
153 |
+
with open(path, "r") as f:
|
154 |
+
reader = csv.reader(f)
|
155 |
+
for row in reader:
|
156 |
+
class_id, class_name = row
|
157 |
+
labels.append((class_id, class_name))
|
158 |
+
except OSError as e:
|
159 |
+
raise RuntimeError(f'can not read labels file "{path}"') from e
|
160 |
+
|
161 |
+
return labels
|
162 |
+
|
163 |
+
def _dump_entries(self, split: "ImageNet.Split", root: Optional[str] = None) -> None:
|
164 |
+
# NOTE: Using torchvision ImageFolder for consistency
|
165 |
+
from torchvision.datasets import ImageFolder
|
166 |
+
|
167 |
+
root = self.root
|
168 |
+
labels = self._load_labels(root)
|
169 |
+
|
170 |
+
if split == ImageNet.Split.TEST:
|
171 |
+
dataset = None
|
172 |
+
sample_count = split.length
|
173 |
+
max_class_id_length, max_class_name_length = 0, 0
|
174 |
+
else:
|
175 |
+
dataset_root = os.path.join(root, split.get_dirname())
|
176 |
+
dataset = ImageFolder(dataset_root)
|
177 |
+
sample_count = len(dataset)
|
178 |
+
max_class_id_length, max_class_name_length = -1, -1
|
179 |
+
for sample in dataset.samples:
|
180 |
+
_, class_index = sample
|
181 |
+
class_id, class_name = labels[class_index]
|
182 |
+
max_class_id_length = max(len(class_id), max_class_id_length)
|
183 |
+
max_class_name_length = max(len(class_name), max_class_name_length)
|
184 |
+
|
185 |
+
dtype = np.dtype(
|
186 |
+
[
|
187 |
+
("actual_index", "<u4"),
|
188 |
+
("class_index", "<u4"),
|
189 |
+
("class_id", f"U{max_class_id_length}"),
|
190 |
+
("class_name", f"U{max_class_name_length}"),
|
191 |
+
]
|
192 |
+
)
|
193 |
+
entries_array = np.empty(sample_count, dtype=dtype)
|
194 |
+
|
195 |
+
if split == ImageNet.Split.TEST:
|
196 |
+
for index in range(sample_count):
|
197 |
+
entries_array[index] = (index + 1, np.uint32(-1), "", "")
|
198 |
+
else:
|
199 |
+
class_names = {class_id: class_name for class_id, class_name in labels}
|
200 |
+
|
201 |
+
assert dataset
|
202 |
+
for index, _ in enumerate(dataset):
|
203 |
+
image_full_path, class_index = dataset.samples[index]
|
204 |
+
image_relpath = os.path.relpath(image_full_path, root)
|
205 |
+
class_id, actual_index = split.parse_image_relpath(image_relpath)
|
206 |
+
class_name = class_names[class_id]
|
207 |
+
entries_array[index] = (actual_index, class_index, class_id, class_name)
|
208 |
+
|
209 |
+
entries_path = self._get_entries_path(split, root)
|
210 |
+
self._save_extra(entries_array, entries_path)
|
211 |
+
|
212 |
+
def _dump_class_ids_and_names(self, split: "ImageNet.Split", root: Optional[str] = None) -> None:
|
213 |
+
if split == ImageNet.Split.TEST:
|
214 |
+
return
|
215 |
+
|
216 |
+
root = self.get_root(root)
|
217 |
+
entries_path = self._get_entries_path(split, root)
|
218 |
+
entries_array = self._load_extra(entries_path)
|
219 |
+
|
220 |
+
max_class_id_length, max_class_name_length, max_class_index = -1, -1, -1
|
221 |
+
for entry in entries_array:
|
222 |
+
class_index, class_id, class_name = (
|
223 |
+
entry["class_index"],
|
224 |
+
entry["class_id"],
|
225 |
+
entry["class_name"],
|
226 |
+
)
|
227 |
+
max_class_index = max(int(class_index), max_class_index)
|
228 |
+
max_class_id_length = max(len(str(class_id)), max_class_id_length)
|
229 |
+
max_class_name_length = max(len(str(class_name)), max_class_name_length)
|
230 |
+
|
231 |
+
class_count = max_class_index + 1
|
232 |
+
class_ids_array = np.empty(class_count, dtype=f"U{max_class_id_length}")
|
233 |
+
class_names_array = np.empty(class_count, dtype=f"U{max_class_name_length}")
|
234 |
+
for entry in entries_array:
|
235 |
+
class_index, class_id, class_name = (
|
236 |
+
entry["class_index"],
|
237 |
+
entry["class_id"],
|
238 |
+
entry["class_name"],
|
239 |
+
)
|
240 |
+
class_ids_array[class_index] = class_id
|
241 |
+
class_names_array[class_index] = class_name
|
242 |
+
|
243 |
+
class_ids_path = self._get_class_ids_path(split, root)
|
244 |
+
self._save_extra(class_ids_array, class_ids_path)
|
245 |
+
|
246 |
+
class_names_path = self._get_class_names_path(split, root)
|
247 |
+
self._save_extra(class_names_array, class_names_path)
|
248 |
+
|
249 |
+
def dump_extra(self, split: "ImageNet.Split", root: Optional[str] = None) -> None:
|
250 |
+
self._dump_entries(split, root)
|
251 |
+
self._dump_class_ids_and_names(split, root)
|
dinov2/dinov2/data/datasets/image_net_22k.py
ADDED
@@ -0,0 +1,304 @@
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
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|
|
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|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
from dataclasses import dataclass
|
8 |
+
from enum import Enum
|
9 |
+
from functools import lru_cache
|
10 |
+
from gzip import GzipFile
|
11 |
+
from io import BytesIO
|
12 |
+
from mmap import ACCESS_READ, mmap
|
13 |
+
import os
|
14 |
+
from typing import Any, Callable, List, Optional, Set, Tuple
|
15 |
+
import warnings
|
16 |
+
|
17 |
+
import numpy as np
|
18 |
+
|
19 |
+
from .extended import ExtendedVisionDataset
|
20 |
+
|
21 |
+
|
22 |
+
_Labels = int
|
23 |
+
|
24 |
+
_DEFAULT_MMAP_CACHE_SIZE = 16 # Warning: This can exhaust file descriptors
|
25 |
+
_IMAGES_SUBDIR_IMAGENET_21KP = "062717"
|
26 |
+
|
27 |
+
|
28 |
+
@dataclass
|
29 |
+
class _ClassEntry:
|
30 |
+
block_offset: int
|
31 |
+
maybe_filename: Optional[str] = None
|
32 |
+
|
33 |
+
|
34 |
+
@dataclass
|
35 |
+
class _Entry:
|
36 |
+
class_index: int # noqa: E701
|
37 |
+
start_offset: int
|
38 |
+
end_offset: int
|
39 |
+
filename: str
|
40 |
+
|
41 |
+
|
42 |
+
class _Split(Enum):
|
43 |
+
TRAIN = "train"
|
44 |
+
VAL = "val"
|
45 |
+
|
46 |
+
@property
|
47 |
+
def length(self) -> int:
|
48 |
+
return {
|
49 |
+
_Split.TRAIN: 11_797_647,
|
50 |
+
_Split.VAL: 561_050,
|
51 |
+
}[self]
|
52 |
+
|
53 |
+
def entries_path(self):
|
54 |
+
return f"imagenet21kp_{self.value}.txt"
|
55 |
+
|
56 |
+
|
57 |
+
def _get_tarball_path(class_id: str) -> str:
|
58 |
+
return f"{class_id}.tar"
|
59 |
+
|
60 |
+
|
61 |
+
def _make_mmap_tarball(tarballs_root: str, mmap_cache_size: int):
|
62 |
+
@lru_cache(maxsize=mmap_cache_size)
|
63 |
+
def _mmap_tarball(class_id: str) -> mmap:
|
64 |
+
tarball_path = _get_tarball_path(class_id)
|
65 |
+
tarball_full_path = os.path.join(tarballs_root, tarball_path)
|
66 |
+
with open(tarball_full_path) as f:
|
67 |
+
return mmap(fileno=f.fileno(), length=0, access=ACCESS_READ)
|
68 |
+
|
69 |
+
return _mmap_tarball
|
70 |
+
|
71 |
+
|
72 |
+
class ImageNet22k(ExtendedVisionDataset):
|
73 |
+
_GZIPPED_INDICES: Set[int] = {
|
74 |
+
841_545,
|
75 |
+
1_304_131,
|
76 |
+
2_437_921,
|
77 |
+
2_672_079,
|
78 |
+
2_795_676,
|
79 |
+
2_969_786,
|
80 |
+
6_902_965,
|
81 |
+
6_903_550,
|
82 |
+
6_903_628,
|
83 |
+
7_432_557,
|
84 |
+
7_432_589,
|
85 |
+
7_813_809,
|
86 |
+
8_329_633,
|
87 |
+
10_296_990,
|
88 |
+
10_417_652,
|
89 |
+
10_492_265,
|
90 |
+
10_598_078,
|
91 |
+
10_782_398,
|
92 |
+
10_902_612,
|
93 |
+
11_203_736,
|
94 |
+
11_342_890,
|
95 |
+
11_397_596,
|
96 |
+
11_589_762,
|
97 |
+
11_705_103,
|
98 |
+
12_936_875,
|
99 |
+
13_289_782,
|
100 |
+
}
|
101 |
+
Labels = _Labels
|
102 |
+
|
103 |
+
def __init__(
|
104 |
+
self,
|
105 |
+
*,
|
106 |
+
root: str,
|
107 |
+
extra: str,
|
108 |
+
transforms: Optional[Callable] = None,
|
109 |
+
transform: Optional[Callable] = None,
|
110 |
+
target_transform: Optional[Callable] = None,
|
111 |
+
mmap_cache_size: int = _DEFAULT_MMAP_CACHE_SIZE,
|
112 |
+
) -> None:
|
113 |
+
super().__init__(root, transforms, transform, target_transform)
|
114 |
+
self._extra_root = extra
|
115 |
+
|
116 |
+
entries_path = self._get_entries_path(root)
|
117 |
+
self._entries = self._load_extra(entries_path)
|
118 |
+
|
119 |
+
class_ids_path = self._get_class_ids_path(root)
|
120 |
+
self._class_ids = self._load_extra(class_ids_path)
|
121 |
+
|
122 |
+
self._gzipped_indices = ImageNet22k._GZIPPED_INDICES
|
123 |
+
self._mmap_tarball = _make_mmap_tarball(self._tarballs_root, mmap_cache_size)
|
124 |
+
|
125 |
+
def _get_entries_path(self, root: Optional[str] = None) -> str:
|
126 |
+
return "entries.npy"
|
127 |
+
|
128 |
+
def _get_class_ids_path(self, root: Optional[str] = None) -> str:
|
129 |
+
return "class-ids.npy"
|
130 |
+
|
131 |
+
def _find_class_ids(self, path: str) -> List[str]:
|
132 |
+
class_ids = []
|
133 |
+
|
134 |
+
with os.scandir(path) as entries:
|
135 |
+
for entry in entries:
|
136 |
+
root, ext = os.path.splitext(entry.name)
|
137 |
+
if ext != ".tar":
|
138 |
+
continue
|
139 |
+
class_ids.append(root)
|
140 |
+
|
141 |
+
return sorted(class_ids)
|
142 |
+
|
143 |
+
def _load_entries_class_ids(self, root: Optional[str] = None) -> Tuple[List[_Entry], List[str]]:
|
144 |
+
root = self.get_root(root)
|
145 |
+
entries: List[_Entry] = []
|
146 |
+
class_ids = self._find_class_ids(root)
|
147 |
+
|
148 |
+
for class_index, class_id in enumerate(class_ids):
|
149 |
+
path = os.path.join(root, "blocks", f"{class_id}.log")
|
150 |
+
class_entries = []
|
151 |
+
|
152 |
+
try:
|
153 |
+
with open(path) as f:
|
154 |
+
for line in f:
|
155 |
+
line = line.rstrip()
|
156 |
+
block, filename = line.split(":")
|
157 |
+
block_offset = int(block[6:])
|
158 |
+
filename = filename[1:]
|
159 |
+
|
160 |
+
maybe_filename = None
|
161 |
+
if filename != "** Block of NULs **":
|
162 |
+
maybe_filename = filename
|
163 |
+
_, ext = os.path.splitext(filename)
|
164 |
+
# assert ext == ".JPEG"
|
165 |
+
|
166 |
+
class_entry = _ClassEntry(block_offset, maybe_filename)
|
167 |
+
class_entries.append(class_entry)
|
168 |
+
except OSError as e:
|
169 |
+
raise RuntimeError(f'can not read blocks file "{path}"') from e
|
170 |
+
|
171 |
+
assert class_entries[-1].maybe_filename is None
|
172 |
+
|
173 |
+
for class_entry1, class_entry2 in zip(class_entries, class_entries[1:]):
|
174 |
+
assert class_entry1.block_offset <= class_entry2.block_offset
|
175 |
+
start_offset = 512 * class_entry1.block_offset
|
176 |
+
end_offset = 512 * class_entry2.block_offset
|
177 |
+
assert class_entry1.maybe_filename is not None
|
178 |
+
filename = class_entry1.maybe_filename
|
179 |
+
entry = _Entry(class_index, start_offset, end_offset, filename)
|
180 |
+
# Skip invalid image files (PIL throws UnidentifiedImageError)
|
181 |
+
if filename == "n06470073_47249.JPEG":
|
182 |
+
continue
|
183 |
+
entries.append(entry)
|
184 |
+
|
185 |
+
return entries, class_ids
|
186 |
+
|
187 |
+
def _load_extra(self, extra_path: str) -> np.ndarray:
|
188 |
+
extra_root = self._extra_root
|
189 |
+
extra_full_path = os.path.join(extra_root, extra_path)
|
190 |
+
return np.load(extra_full_path, mmap_mode="r")
|
191 |
+
|
192 |
+
def _save_extra(self, extra_array: np.ndarray, extra_path: str) -> None:
|
193 |
+
extra_root = self._extra_root
|
194 |
+
extra_full_path = os.path.join(extra_root, extra_path)
|
195 |
+
os.makedirs(extra_root, exist_ok=True)
|
196 |
+
np.save(extra_full_path, extra_array)
|
197 |
+
|
198 |
+
@property
|
199 |
+
def _tarballs_root(self) -> str:
|
200 |
+
return self.root
|
201 |
+
|
202 |
+
def find_class_id(self, class_index: int) -> str:
|
203 |
+
return str(self._class_ids[class_index])
|
204 |
+
|
205 |
+
def get_image_data(self, index: int) -> bytes:
|
206 |
+
entry = self._entries[index]
|
207 |
+
class_id = entry["class_id"]
|
208 |
+
class_mmap = self._mmap_tarball(class_id)
|
209 |
+
|
210 |
+
start_offset, end_offset = entry["start_offset"], entry["end_offset"]
|
211 |
+
try:
|
212 |
+
mapped_data = class_mmap[start_offset:end_offset]
|
213 |
+
data = mapped_data[512:] # Skip entry header block
|
214 |
+
|
215 |
+
if len(data) >= 2 and tuple(data[:2]) == (0x1F, 0x8B):
|
216 |
+
assert index in self._gzipped_indices, f"unexpected gzip header for sample {index}"
|
217 |
+
with GzipFile(fileobj=BytesIO(data)) as g:
|
218 |
+
data = g.read()
|
219 |
+
except Exception as e:
|
220 |
+
raise RuntimeError(f"can not retrieve image data for sample {index} " f'from "{class_id}" tarball') from e
|
221 |
+
|
222 |
+
return data
|
223 |
+
|
224 |
+
def get_target(self, index: int) -> Any:
|
225 |
+
return int(self._entries[index]["class_index"])
|
226 |
+
|
227 |
+
def get_targets(self) -> np.ndarray:
|
228 |
+
return self._entries["class_index"]
|
229 |
+
|
230 |
+
def get_class_id(self, index: int) -> str:
|
231 |
+
return str(self._entries[index]["class_id"])
|
232 |
+
|
233 |
+
def get_class_ids(self) -> np.ndarray:
|
234 |
+
return self._entries["class_id"]
|
235 |
+
|
236 |
+
def __getitem__(self, index: int) -> Tuple[Any, Any]:
|
237 |
+
with warnings.catch_warnings():
|
238 |
+
warnings.simplefilter("ignore")
|
239 |
+
return super().__getitem__(index)
|
240 |
+
|
241 |
+
def __len__(self) -> int:
|
242 |
+
return len(self._entries)
|
243 |
+
|
244 |
+
def _dump_entries(self, *args, **kwargs) -> None:
|
245 |
+
entries, class_ids = self._load_entries_class_ids(*args, **kwargs)
|
246 |
+
|
247 |
+
max_class_id_length, max_filename_length, max_class_index = -1, -1, -1
|
248 |
+
for entry in entries:
|
249 |
+
class_id = class_ids[entry.class_index]
|
250 |
+
max_class_index = max(entry.class_index, max_class_index)
|
251 |
+
max_class_id_length = max(len(class_id), max_class_id_length)
|
252 |
+
max_filename_length = max(len(entry.filename), max_filename_length)
|
253 |
+
|
254 |
+
dtype = np.dtype(
|
255 |
+
[
|
256 |
+
("class_index", "<u4"),
|
257 |
+
("class_id", f"U{max_class_id_length}"),
|
258 |
+
("start_offset", "<u4"),
|
259 |
+
("end_offset", "<u4"),
|
260 |
+
("filename", f"U{max_filename_length}"),
|
261 |
+
]
|
262 |
+
)
|
263 |
+
sample_count = len(entries)
|
264 |
+
entries_array = np.empty(sample_count, dtype=dtype)
|
265 |
+
for i, entry in enumerate(entries):
|
266 |
+
class_index = entry.class_index
|
267 |
+
class_id = class_ids[class_index]
|
268 |
+
start_offset = entry.start_offset
|
269 |
+
end_offset = entry.end_offset
|
270 |
+
filename = entry.filename
|
271 |
+
entries_array[i] = (
|
272 |
+
class_index,
|
273 |
+
class_id,
|
274 |
+
start_offset,
|
275 |
+
end_offset,
|
276 |
+
filename,
|
277 |
+
)
|
278 |
+
|
279 |
+
entries_path = self._get_entries_path(*args, **kwargs)
|
280 |
+
self._save_extra(entries_array, entries_path)
|
281 |
+
|
282 |
+
def _dump_class_ids(self, *args, **kwargs) -> None:
|
283 |
+
entries_path = self._get_entries_path(*args, **kwargs)
|
284 |
+
entries_array = self._load_extra(entries_path)
|
285 |
+
|
286 |
+
max_class_id_length, max_class_index = -1, -1
|
287 |
+
for entry in entries_array:
|
288 |
+
class_index, class_id = entry["class_index"], entry["class_id"]
|
289 |
+
max_class_index = max(int(class_index), max_class_index)
|
290 |
+
max_class_id_length = max(len(str(class_id)), max_class_id_length)
|
291 |
+
|
292 |
+
class_ids_array = np.empty(max_class_index + 1, dtype=f"U{max_class_id_length}")
|
293 |
+
for entry in entries_array:
|
294 |
+
class_index, class_id = entry["class_index"], entry["class_id"]
|
295 |
+
class_ids_array[class_index] = class_id
|
296 |
+
class_ids_path = self._get_class_ids_path(*args, **kwargs)
|
297 |
+
self._save_extra(class_ids_array, class_ids_path)
|
298 |
+
|
299 |
+
def _dump_extra(self, *args, **kwargs) -> None:
|
300 |
+
self._dump_entries(*args, *kwargs)
|
301 |
+
self._dump_class_ids(*args, *kwargs)
|
302 |
+
|
303 |
+
def dump_extra(self, root: Optional[str] = None) -> None:
|
304 |
+
return self._dump_extra(root)
|
dinov2/dinov2/data/loaders.py
ADDED
@@ -0,0 +1,223 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import logging
|
8 |
+
from enum import Enum
|
9 |
+
from typing import Any, Callable, List, Optional, TypeVar
|
10 |
+
|
11 |
+
import torch
|
12 |
+
from torch.utils.data import Sampler
|
13 |
+
|
14 |
+
from .datasets import ImageNet, ImageNet22k
|
15 |
+
from .samplers import EpochSampler, InfiniteSampler, ShardedInfiniteSampler
|
16 |
+
|
17 |
+
|
18 |
+
logger = logging.getLogger("dinov2")
|
19 |
+
|
20 |
+
|
21 |
+
class SamplerType(Enum):
|
22 |
+
DISTRIBUTED = 0
|
23 |
+
EPOCH = 1
|
24 |
+
INFINITE = 2
|
25 |
+
SHARDED_INFINITE = 3
|
26 |
+
SHARDED_INFINITE_NEW = 4
|
27 |
+
|
28 |
+
|
29 |
+
def _make_bool_str(b: bool) -> str:
|
30 |
+
return "yes" if b else "no"
|
31 |
+
|
32 |
+
|
33 |
+
def _make_sample_transform(image_transform: Optional[Callable] = None, target_transform: Optional[Callable] = None):
|
34 |
+
def transform(sample):
|
35 |
+
image, target = sample
|
36 |
+
if image_transform is not None:
|
37 |
+
image = image_transform(image)
|
38 |
+
if target_transform is not None:
|
39 |
+
target = target_transform(target)
|
40 |
+
return image, target
|
41 |
+
|
42 |
+
return transform
|
43 |
+
|
44 |
+
|
45 |
+
def _parse_dataset_str(dataset_str: str):
|
46 |
+
tokens = dataset_str.split(":")
|
47 |
+
|
48 |
+
name = tokens[0]
|
49 |
+
kwargs = {}
|
50 |
+
|
51 |
+
for token in tokens[1:]:
|
52 |
+
key, value = token.split("=")
|
53 |
+
assert key in ("root", "extra", "split")
|
54 |
+
kwargs[key] = value
|
55 |
+
|
56 |
+
if name == "ImageNet":
|
57 |
+
class_ = ImageNet
|
58 |
+
if "split" in kwargs:
|
59 |
+
kwargs["split"] = ImageNet.Split[kwargs["split"]]
|
60 |
+
elif name == "ImageNet22k":
|
61 |
+
class_ = ImageNet22k
|
62 |
+
else:
|
63 |
+
raise ValueError(f'Unsupported dataset "{name}"')
|
64 |
+
|
65 |
+
return class_, kwargs
|
66 |
+
|
67 |
+
|
68 |
+
def make_dataset(
|
69 |
+
*,
|
70 |
+
dataset_str: str,
|
71 |
+
transform: Optional[Callable] = None,
|
72 |
+
target_transform: Optional[Callable] = None,
|
73 |
+
):
|
74 |
+
"""
|
75 |
+
Creates a dataset with the specified parameters.
|
76 |
+
|
77 |
+
Args:
|
78 |
+
dataset_str: A dataset string description (e.g. ImageNet:split=TRAIN).
|
79 |
+
transform: A transform to apply to images.
|
80 |
+
target_transform: A transform to apply to targets.
|
81 |
+
|
82 |
+
Returns:
|
83 |
+
The created dataset.
|
84 |
+
"""
|
85 |
+
logger.info(f'using dataset: "{dataset_str}"')
|
86 |
+
|
87 |
+
class_, kwargs = _parse_dataset_str(dataset_str)
|
88 |
+
dataset = class_(transform=transform, target_transform=target_transform, **kwargs)
|
89 |
+
|
90 |
+
logger.info(f"# of dataset samples: {len(dataset):,d}")
|
91 |
+
|
92 |
+
# Aggregated datasets do not expose (yet) these attributes, so add them.
|
93 |
+
if not hasattr(dataset, "transform"):
|
94 |
+
setattr(dataset, "transform", transform)
|
95 |
+
if not hasattr(dataset, "target_transform"):
|
96 |
+
setattr(dataset, "target_transform", target_transform)
|
97 |
+
|
98 |
+
return dataset
|
99 |
+
|
100 |
+
|
101 |
+
def _make_sampler(
|
102 |
+
*,
|
103 |
+
dataset,
|
104 |
+
type: Optional[SamplerType] = None,
|
105 |
+
shuffle: bool = False,
|
106 |
+
seed: int = 0,
|
107 |
+
size: int = -1,
|
108 |
+
advance: int = 0,
|
109 |
+
) -> Optional[Sampler]:
|
110 |
+
sample_count = len(dataset)
|
111 |
+
|
112 |
+
if type == SamplerType.INFINITE:
|
113 |
+
logger.info("sampler: infinite")
|
114 |
+
if size > 0:
|
115 |
+
raise ValueError("sampler size > 0 is invalid")
|
116 |
+
return InfiniteSampler(
|
117 |
+
sample_count=sample_count,
|
118 |
+
shuffle=shuffle,
|
119 |
+
seed=seed,
|
120 |
+
advance=advance,
|
121 |
+
)
|
122 |
+
elif type in (SamplerType.SHARDED_INFINITE, SamplerType.SHARDED_INFINITE_NEW):
|
123 |
+
logger.info("sampler: sharded infinite")
|
124 |
+
if size > 0:
|
125 |
+
raise ValueError("sampler size > 0 is invalid")
|
126 |
+
# TODO: Remove support for old shuffling
|
127 |
+
use_new_shuffle_tensor_slice = type == SamplerType.SHARDED_INFINITE_NEW
|
128 |
+
return ShardedInfiniteSampler(
|
129 |
+
sample_count=sample_count,
|
130 |
+
shuffle=shuffle,
|
131 |
+
seed=seed,
|
132 |
+
advance=advance,
|
133 |
+
use_new_shuffle_tensor_slice=use_new_shuffle_tensor_slice,
|
134 |
+
)
|
135 |
+
elif type == SamplerType.EPOCH:
|
136 |
+
logger.info("sampler: epoch")
|
137 |
+
if advance > 0:
|
138 |
+
raise NotImplementedError("sampler advance > 0 is not supported")
|
139 |
+
size = size if size > 0 else sample_count
|
140 |
+
logger.info(f"# of samples / epoch: {size:,d}")
|
141 |
+
return EpochSampler(
|
142 |
+
size=size,
|
143 |
+
sample_count=sample_count,
|
144 |
+
shuffle=shuffle,
|
145 |
+
seed=seed,
|
146 |
+
)
|
147 |
+
elif type == SamplerType.DISTRIBUTED:
|
148 |
+
logger.info("sampler: distributed")
|
149 |
+
if size > 0:
|
150 |
+
raise ValueError("sampler size > 0 is invalid")
|
151 |
+
if advance > 0:
|
152 |
+
raise ValueError("sampler advance > 0 is invalid")
|
153 |
+
return torch.utils.data.DistributedSampler(
|
154 |
+
dataset=dataset,
|
155 |
+
shuffle=shuffle,
|
156 |
+
seed=seed,
|
157 |
+
drop_last=False,
|
158 |
+
)
|
159 |
+
|
160 |
+
logger.info("sampler: none")
|
161 |
+
return None
|
162 |
+
|
163 |
+
|
164 |
+
T = TypeVar("T")
|
165 |
+
|
166 |
+
|
167 |
+
def make_data_loader(
|
168 |
+
*,
|
169 |
+
dataset,
|
170 |
+
batch_size: int,
|
171 |
+
num_workers: int,
|
172 |
+
shuffle: bool = True,
|
173 |
+
seed: int = 0,
|
174 |
+
sampler_type: Optional[SamplerType] = SamplerType.INFINITE,
|
175 |
+
sampler_size: int = -1,
|
176 |
+
sampler_advance: int = 0,
|
177 |
+
drop_last: bool = True,
|
178 |
+
persistent_workers: bool = False,
|
179 |
+
collate_fn: Optional[Callable[[List[T]], Any]] = None,
|
180 |
+
):
|
181 |
+
"""
|
182 |
+
Creates a data loader with the specified parameters.
|
183 |
+
|
184 |
+
Args:
|
185 |
+
dataset: A dataset (third party, LaViDa or WebDataset).
|
186 |
+
batch_size: The size of batches to generate.
|
187 |
+
num_workers: The number of workers to use.
|
188 |
+
shuffle: Whether to shuffle samples.
|
189 |
+
seed: The random seed to use.
|
190 |
+
sampler_type: Which sampler to use: EPOCH, INFINITE, SHARDED_INFINITE, SHARDED_INFINITE_NEW, DISTRIBUTED or None.
|
191 |
+
sampler_size: The number of images per epoch (when applicable) or -1 for the entire dataset.
|
192 |
+
sampler_advance: How many samples to skip (when applicable).
|
193 |
+
drop_last: Whether the last non-full batch of data should be dropped.
|
194 |
+
persistent_workers: maintain the workers Dataset instances alive after a dataset has been consumed once.
|
195 |
+
collate_fn: Function that performs batch collation
|
196 |
+
"""
|
197 |
+
|
198 |
+
sampler = _make_sampler(
|
199 |
+
dataset=dataset,
|
200 |
+
type=sampler_type,
|
201 |
+
shuffle=shuffle,
|
202 |
+
seed=seed,
|
203 |
+
size=sampler_size,
|
204 |
+
advance=sampler_advance,
|
205 |
+
)
|
206 |
+
|
207 |
+
logger.info("using PyTorch data loader")
|
208 |
+
data_loader = torch.utils.data.DataLoader(
|
209 |
+
dataset,
|
210 |
+
sampler=sampler,
|
211 |
+
batch_size=batch_size,
|
212 |
+
num_workers=num_workers,
|
213 |
+
pin_memory=True,
|
214 |
+
drop_last=drop_last,
|
215 |
+
persistent_workers=persistent_workers,
|
216 |
+
collate_fn=collate_fn,
|
217 |
+
)
|
218 |
+
|
219 |
+
try:
|
220 |
+
logger.info(f"# of batches: {len(data_loader):,d}")
|
221 |
+
except TypeError: # data loader has no length
|
222 |
+
logger.info("infinite data loader")
|
223 |
+
return data_loader
|
dinov2/dinov2/data/masking.py
ADDED
@@ -0,0 +1,87 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import random
|
8 |
+
import math
|
9 |
+
import numpy as np
|
10 |
+
|
11 |
+
|
12 |
+
class MaskingGenerator:
|
13 |
+
def __init__(
|
14 |
+
self,
|
15 |
+
input_size,
|
16 |
+
num_masking_patches=None,
|
17 |
+
min_num_patches=4,
|
18 |
+
max_num_patches=None,
|
19 |
+
min_aspect=0.3,
|
20 |
+
max_aspect=None,
|
21 |
+
):
|
22 |
+
if not isinstance(input_size, tuple):
|
23 |
+
input_size = (input_size,) * 2
|
24 |
+
self.height, self.width = input_size
|
25 |
+
|
26 |
+
self.num_patches = self.height * self.width
|
27 |
+
self.num_masking_patches = num_masking_patches
|
28 |
+
|
29 |
+
self.min_num_patches = min_num_patches
|
30 |
+
self.max_num_patches = num_masking_patches if max_num_patches is None else max_num_patches
|
31 |
+
|
32 |
+
max_aspect = max_aspect or 1 / min_aspect
|
33 |
+
self.log_aspect_ratio = (math.log(min_aspect), math.log(max_aspect))
|
34 |
+
|
35 |
+
def __repr__(self):
|
36 |
+
repr_str = "Generator(%d, %d -> [%d ~ %d], max = %d, %.3f ~ %.3f)" % (
|
37 |
+
self.height,
|
38 |
+
self.width,
|
39 |
+
self.min_num_patches,
|
40 |
+
self.max_num_patches,
|
41 |
+
self.num_masking_patches,
|
42 |
+
self.log_aspect_ratio[0],
|
43 |
+
self.log_aspect_ratio[1],
|
44 |
+
)
|
45 |
+
return repr_str
|
46 |
+
|
47 |
+
def get_shape(self):
|
48 |
+
return self.height, self.width
|
49 |
+
|
50 |
+
def _mask(self, mask, max_mask_patches):
|
51 |
+
delta = 0
|
52 |
+
for _ in range(10):
|
53 |
+
target_area = random.uniform(self.min_num_patches, max_mask_patches)
|
54 |
+
aspect_ratio = math.exp(random.uniform(*self.log_aspect_ratio))
|
55 |
+
h = int(round(math.sqrt(target_area * aspect_ratio)))
|
56 |
+
w = int(round(math.sqrt(target_area / aspect_ratio)))
|
57 |
+
if w < self.width and h < self.height:
|
58 |
+
top = random.randint(0, self.height - h)
|
59 |
+
left = random.randint(0, self.width - w)
|
60 |
+
|
61 |
+
num_masked = mask[top : top + h, left : left + w].sum()
|
62 |
+
# Overlap
|
63 |
+
if 0 < h * w - num_masked <= max_mask_patches:
|
64 |
+
for i in range(top, top + h):
|
65 |
+
for j in range(left, left + w):
|
66 |
+
if mask[i, j] == 0:
|
67 |
+
mask[i, j] = 1
|
68 |
+
delta += 1
|
69 |
+
|
70 |
+
if delta > 0:
|
71 |
+
break
|
72 |
+
return delta
|
73 |
+
|
74 |
+
def __call__(self, num_masking_patches=0):
|
75 |
+
mask = np.zeros(shape=self.get_shape(), dtype=bool)
|
76 |
+
mask_count = 0
|
77 |
+
while mask_count < num_masking_patches:
|
78 |
+
max_mask_patches = num_masking_patches - mask_count
|
79 |
+
max_mask_patches = min(max_mask_patches, self.max_num_patches)
|
80 |
+
|
81 |
+
delta = self._mask(mask, max_mask_patches)
|
82 |
+
if delta == 0:
|
83 |
+
break
|
84 |
+
else:
|
85 |
+
mask_count += delta
|
86 |
+
|
87 |
+
return mask
|
dinov2/dinov2/data/samplers.py
ADDED
@@ -0,0 +1,230 @@
|
|
|
|
|
|
|
|
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|
|
|
|
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|
|
|
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|
|
|
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|
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|
|
|
|
|
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|
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|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
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|
|
|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import itertools
|
8 |
+
from typing import Any, Optional
|
9 |
+
import warnings
|
10 |
+
|
11 |
+
import numpy as np
|
12 |
+
import torch
|
13 |
+
from torch.utils.data.sampler import Sampler
|
14 |
+
|
15 |
+
import dinov2.distributed as distributed
|
16 |
+
|
17 |
+
|
18 |
+
class EpochSampler(Sampler):
|
19 |
+
def __init__(
|
20 |
+
self,
|
21 |
+
*,
|
22 |
+
size: int,
|
23 |
+
sample_count: int,
|
24 |
+
shuffle: bool = False,
|
25 |
+
seed: int = 0,
|
26 |
+
start: Optional[int] = None,
|
27 |
+
step: Optional[int] = None,
|
28 |
+
):
|
29 |
+
self._size = size
|
30 |
+
self._sample_count = sample_count
|
31 |
+
self._shuffle = shuffle
|
32 |
+
self._seed = seed
|
33 |
+
self._start = distributed.get_global_rank() if start is None else start
|
34 |
+
self._step = distributed.get_global_size() if step is None else step
|
35 |
+
self._epoch = 0
|
36 |
+
|
37 |
+
def __iter__(self):
|
38 |
+
count = (self._size + self._sample_count - 1) // self._sample_count
|
39 |
+
tiled_indices = np.tile(np.arange(self._sample_count), count)
|
40 |
+
if self._shuffle:
|
41 |
+
seed = self._seed * self._epoch if self._seed != 0 else self._epoch
|
42 |
+
rng = np.random.default_rng(seed)
|
43 |
+
iterable = rng.choice(tiled_indices, self._size, replace=False)
|
44 |
+
else:
|
45 |
+
iterable = tiled_indices[: self._size]
|
46 |
+
|
47 |
+
yield from itertools.islice(iterable, self._start, None, self._step)
|
48 |
+
|
49 |
+
def __len__(self):
|
50 |
+
return (self._size - self._start + self._step - 1) // self._step
|
51 |
+
|
52 |
+
def set_epoch(self, epoch):
|
53 |
+
self._epoch = epoch
|
54 |
+
|
55 |
+
|
56 |
+
def _get_numpy_dtype(size: int) -> Any:
|
57 |
+
return np.int32 if size <= 2**31 else np.int64
|
58 |
+
|
59 |
+
|
60 |
+
def _get_torch_dtype(size: int) -> Any:
|
61 |
+
return torch.int32 if size <= 2**31 else torch.int64
|
62 |
+
|
63 |
+
|
64 |
+
def _generate_randperm_indices(*, size: int, generator: torch.Generator):
|
65 |
+
"""Generate the indices of a random permutation."""
|
66 |
+
dtype = _get_torch_dtype(size)
|
67 |
+
# This is actually matching PyTorch's CPU implementation, see: https://github.com/pytorch/pytorch/blob/master/aten/src/ATen/native/TensorFactories.cpp#L900-L921
|
68 |
+
perm = torch.arange(size, dtype=dtype)
|
69 |
+
for i in range(size):
|
70 |
+
j = torch.randint(i, size, size=(1,), generator=generator).item()
|
71 |
+
|
72 |
+
# Always swap even if no-op
|
73 |
+
value = perm[j].item()
|
74 |
+
perm[j] = perm[i].item()
|
75 |
+
perm[i] = value
|
76 |
+
yield value
|
77 |
+
|
78 |
+
|
79 |
+
class InfiniteSampler(Sampler):
|
80 |
+
def __init__(
|
81 |
+
self,
|
82 |
+
*,
|
83 |
+
sample_count: int,
|
84 |
+
shuffle: bool = False,
|
85 |
+
seed: int = 0,
|
86 |
+
start: Optional[int] = None,
|
87 |
+
step: Optional[int] = None,
|
88 |
+
advance: int = 0,
|
89 |
+
):
|
90 |
+
self._sample_count = sample_count
|
91 |
+
self._seed = seed
|
92 |
+
self._shuffle = shuffle
|
93 |
+
self._start = distributed.get_global_rank() if start is None else start
|
94 |
+
self._step = distributed.get_global_size() if step is None else step
|
95 |
+
self._advance = advance
|
96 |
+
|
97 |
+
def __iter__(self):
|
98 |
+
if self._shuffle:
|
99 |
+
iterator = self._shuffled_iterator()
|
100 |
+
else:
|
101 |
+
iterator = self._iterator()
|
102 |
+
|
103 |
+
yield from itertools.islice(iterator, self._advance, None)
|
104 |
+
|
105 |
+
def _iterator(self):
|
106 |
+
assert not self._shuffle
|
107 |
+
|
108 |
+
while True:
|
109 |
+
iterable = range(self._sample_count)
|
110 |
+
yield from itertools.islice(iterable, self._start, None, self._step)
|
111 |
+
|
112 |
+
def _shuffled_iterator(self):
|
113 |
+
assert self._shuffle
|
114 |
+
|
115 |
+
# Instantiate a generator here (rather than in the ctor) to keep the class
|
116 |
+
# picklable (requirement of mp.spawn)
|
117 |
+
generator = torch.Generator().manual_seed(self._seed)
|
118 |
+
|
119 |
+
while True:
|
120 |
+
iterable = _generate_randperm_indices(size=self._sample_count, generator=generator)
|
121 |
+
yield from itertools.islice(iterable, self._start, None, self._step)
|
122 |
+
|
123 |
+
|
124 |
+
# The following function is somewhat equivalent to _new_shuffle_tensor_slice below,
|
125 |
+
# but avoids a full in-place random permutation generation.
|
126 |
+
def _shuffle_tensor_slice(
|
127 |
+
*, tensor: torch.Tensor, start: int = 0, step: int = 1, generator: torch.Generator
|
128 |
+
) -> np.ndarray:
|
129 |
+
stop = len(tensor)
|
130 |
+
count = stop // step
|
131 |
+
drop_count = stop - step * count
|
132 |
+
if drop_count:
|
133 |
+
warnings.warn(f"# of dropped samples: {drop_count}")
|
134 |
+
|
135 |
+
dtype = _get_numpy_dtype(stop)
|
136 |
+
result = np.empty(count, dtype=dtype)
|
137 |
+
|
138 |
+
for i in range(count):
|
139 |
+
j = torch.randint(0, i + 1, size=(1,), generator=generator).item() if i > 0 else 0
|
140 |
+
|
141 |
+
result[i] = result[j]
|
142 |
+
result[j] = tensor[start + i * step].item()
|
143 |
+
|
144 |
+
return result
|
145 |
+
|
146 |
+
|
147 |
+
def _new_shuffle_tensor_slice(
|
148 |
+
*, tensor: torch.Tensor, start: int = 0, step: int = 1, generator: torch.Generator
|
149 |
+
) -> np.ndarray:
|
150 |
+
stop = len(tensor)
|
151 |
+
count = stop // step
|
152 |
+
dtype = torch.int64 # Needed for using randperm result as indices
|
153 |
+
count = stop // step
|
154 |
+
drop_count = stop - step * count
|
155 |
+
if drop_count:
|
156 |
+
warnings.warn(f"# of dropped samples: {drop_count}")
|
157 |
+
indices = torch.randperm(count, dtype=dtype, generator=generator)
|
158 |
+
return tensor[start::step][indices].numpy()
|
159 |
+
|
160 |
+
|
161 |
+
def _make_seed(seed: int, start: int, iter_count: int) -> int:
|
162 |
+
# NOTE: Tried a few variants (including iter_count << 32), this one worked best.
|
163 |
+
return seed + start + (iter_count << 24)
|
164 |
+
|
165 |
+
|
166 |
+
class ShardedInfiniteSampler(Sampler):
|
167 |
+
def __init__(
|
168 |
+
self,
|
169 |
+
*,
|
170 |
+
sample_count: int,
|
171 |
+
shuffle: bool = False,
|
172 |
+
seed: int = 0,
|
173 |
+
start: Optional[int] = None,
|
174 |
+
step: Optional[int] = None,
|
175 |
+
advance: int = 0,
|
176 |
+
use_new_shuffle_tensor_slice: bool = False,
|
177 |
+
):
|
178 |
+
self._sample_count = sample_count
|
179 |
+
self._seed = seed
|
180 |
+
self._shuffle = shuffle
|
181 |
+
self._start = distributed.get_global_rank() if start is None else start
|
182 |
+
self._step = distributed.get_global_size() if step is None else step
|
183 |
+
self._advance = advance
|
184 |
+
self._iter_count = 0
|
185 |
+
self._shuffle_tensor_slice_fn = (
|
186 |
+
_new_shuffle_tensor_slice if use_new_shuffle_tensor_slice else _shuffle_tensor_slice
|
187 |
+
)
|
188 |
+
|
189 |
+
def __iter__(self):
|
190 |
+
iter_count = self._advance // self._sample_count
|
191 |
+
if iter_count > 0:
|
192 |
+
self._advance -= iter_count * self._sample_count
|
193 |
+
self._iter_count += iter_count
|
194 |
+
|
195 |
+
if self._shuffle:
|
196 |
+
iterator = self._shuffled_iterator()
|
197 |
+
else:
|
198 |
+
iterator = self._iterator()
|
199 |
+
|
200 |
+
yield from itertools.islice(iterator, self._advance, None)
|
201 |
+
|
202 |
+
def _iterator(self):
|
203 |
+
assert not self._shuffle
|
204 |
+
|
205 |
+
while True:
|
206 |
+
iterable = range(self._sample_count)
|
207 |
+
yield from itertools.islice(iterable, self._start, None, self._step)
|
208 |
+
|
209 |
+
def _shuffled_iterator(self):
|
210 |
+
assert self._shuffle
|
211 |
+
|
212 |
+
# Instantiate a generator here (rather than in the ctor) to be keep the class
|
213 |
+
# picklable (requirement of mp.spawn)
|
214 |
+
generator = torch.Generator()
|
215 |
+
|
216 |
+
# Always shuffle everything first
|
217 |
+
generator.manual_seed(self._seed)
|
218 |
+
dtype = _get_torch_dtype(self._sample_count)
|
219 |
+
perm = torch.randperm(self._sample_count, dtype=dtype, generator=generator)
|
220 |
+
|
221 |
+
while True:
|
222 |
+
# Re-seed on each iteration to allow skipping whole permutations
|
223 |
+
seed = _make_seed(self._seed, self._start, self._iter_count)
|
224 |
+
generator.manual_seed(seed)
|
225 |
+
|
226 |
+
iterable = self._shuffle_tensor_slice_fn(
|
227 |
+
tensor=perm, start=self._start, step=self._step, generator=generator
|
228 |
+
)
|
229 |
+
yield from iterable
|
230 |
+
self._iter_count += 1
|
dinov2/dinov2/data/transforms.py
ADDED
@@ -0,0 +1,92 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
from typing import Sequence
|
8 |
+
|
9 |
+
import torch
|
10 |
+
from torchvision import transforms
|
11 |
+
|
12 |
+
|
13 |
+
class GaussianBlur(transforms.RandomApply):
|
14 |
+
"""
|
15 |
+
Apply Gaussian Blur to the PIL image.
|
16 |
+
"""
|
17 |
+
|
18 |
+
def __init__(self, *, p: float = 0.5, radius_min: float = 0.1, radius_max: float = 2.0):
|
19 |
+
# NOTE: torchvision is applying 1 - probability to return the original image
|
20 |
+
keep_p = 1 - p
|
21 |
+
transform = transforms.GaussianBlur(kernel_size=9, sigma=(radius_min, radius_max))
|
22 |
+
super().__init__(transforms=[transform], p=keep_p)
|
23 |
+
|
24 |
+
|
25 |
+
class MaybeToTensor(transforms.ToTensor):
|
26 |
+
"""
|
27 |
+
Convert a ``PIL Image`` or ``numpy.ndarray`` to tensor, or keep as is if already a tensor.
|
28 |
+
"""
|
29 |
+
|
30 |
+
def __call__(self, pic):
|
31 |
+
"""
|
32 |
+
Args:
|
33 |
+
pic (PIL Image, numpy.ndarray or torch.tensor): Image to be converted to tensor.
|
34 |
+
Returns:
|
35 |
+
Tensor: Converted image.
|
36 |
+
"""
|
37 |
+
if isinstance(pic, torch.Tensor):
|
38 |
+
return pic
|
39 |
+
return super().__call__(pic)
|
40 |
+
|
41 |
+
|
42 |
+
# Use timm's names
|
43 |
+
IMAGENET_DEFAULT_MEAN = (0.485, 0.456, 0.406)
|
44 |
+
IMAGENET_DEFAULT_STD = (0.229, 0.224, 0.225)
|
45 |
+
|
46 |
+
|
47 |
+
def make_normalize_transform(
|
48 |
+
mean: Sequence[float] = IMAGENET_DEFAULT_MEAN,
|
49 |
+
std: Sequence[float] = IMAGENET_DEFAULT_STD,
|
50 |
+
) -> transforms.Normalize:
|
51 |
+
return transforms.Normalize(mean=mean, std=std)
|
52 |
+
|
53 |
+
|
54 |
+
# This roughly matches torchvision's preset for classification training:
|
55 |
+
# https://github.com/pytorch/vision/blob/main/references/classification/presets.py#L6-L44
|
56 |
+
def make_classification_train_transform(
|
57 |
+
*,
|
58 |
+
crop_size: int = 224,
|
59 |
+
interpolation=transforms.InterpolationMode.BICUBIC,
|
60 |
+
hflip_prob: float = 0.5,
|
61 |
+
mean: Sequence[float] = IMAGENET_DEFAULT_MEAN,
|
62 |
+
std: Sequence[float] = IMAGENET_DEFAULT_STD,
|
63 |
+
):
|
64 |
+
transforms_list = [transforms.RandomResizedCrop(crop_size, interpolation=interpolation)]
|
65 |
+
if hflip_prob > 0.0:
|
66 |
+
transforms_list.append(transforms.RandomHorizontalFlip(hflip_prob))
|
67 |
+
transforms_list.extend(
|
68 |
+
[
|
69 |
+
MaybeToTensor(),
|
70 |
+
make_normalize_transform(mean=mean, std=std),
|
71 |
+
]
|
72 |
+
)
|
73 |
+
return transforms.Compose(transforms_list)
|
74 |
+
|
75 |
+
|
76 |
+
# This matches (roughly) torchvision's preset for classification evaluation:
|
77 |
+
# https://github.com/pytorch/vision/blob/main/references/classification/presets.py#L47-L69
|
78 |
+
def make_classification_eval_transform(
|
79 |
+
*,
|
80 |
+
resize_size: int = 256,
|
81 |
+
interpolation=transforms.InterpolationMode.BICUBIC,
|
82 |
+
crop_size: int = 224,
|
83 |
+
mean: Sequence[float] = IMAGENET_DEFAULT_MEAN,
|
84 |
+
std: Sequence[float] = IMAGENET_DEFAULT_STD,
|
85 |
+
) -> transforms.Compose:
|
86 |
+
transforms_list = [
|
87 |
+
transforms.Resize(resize_size, interpolation=interpolation),
|
88 |
+
transforms.CenterCrop(crop_size),
|
89 |
+
MaybeToTensor(),
|
90 |
+
make_normalize_transform(mean=mean, std=std),
|
91 |
+
]
|
92 |
+
return transforms.Compose(transforms_list)
|
dinov2/dinov2/distributed/__init__.py
ADDED
@@ -0,0 +1,271 @@
|
|
|
|
|
|
|
|
|
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|
|
|
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|
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|
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|
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|
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|
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|
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|
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|
|
|
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|
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|
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|
|
|
|
|
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|
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|
|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
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|
|
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import os
|
8 |
+
import random
|
9 |
+
import re
|
10 |
+
import socket
|
11 |
+
from typing import Dict, List
|
12 |
+
|
13 |
+
import torch
|
14 |
+
import torch.distributed as dist
|
15 |
+
|
16 |
+
_LOCAL_RANK = -1
|
17 |
+
_LOCAL_WORLD_SIZE = -1
|
18 |
+
|
19 |
+
|
20 |
+
def is_enabled() -> bool:
|
21 |
+
"""
|
22 |
+
Returns:
|
23 |
+
True if distributed training is enabled
|
24 |
+
"""
|
25 |
+
return dist.is_available() and dist.is_initialized()
|
26 |
+
|
27 |
+
|
28 |
+
def get_global_size() -> int:
|
29 |
+
"""
|
30 |
+
Returns:
|
31 |
+
The number of processes in the process group
|
32 |
+
"""
|
33 |
+
return dist.get_world_size() if is_enabled() else 1
|
34 |
+
|
35 |
+
|
36 |
+
def get_global_rank() -> int:
|
37 |
+
"""
|
38 |
+
Returns:
|
39 |
+
The rank of the current process within the global process group.
|
40 |
+
"""
|
41 |
+
return dist.get_rank() if is_enabled() else 0
|
42 |
+
|
43 |
+
|
44 |
+
def get_local_rank() -> int:
|
45 |
+
"""
|
46 |
+
Returns:
|
47 |
+
The rank of the current process within the local (per-machine) process group.
|
48 |
+
"""
|
49 |
+
if not is_enabled():
|
50 |
+
return 0
|
51 |
+
assert 0 <= _LOCAL_RANK < _LOCAL_WORLD_SIZE
|
52 |
+
return _LOCAL_RANK
|
53 |
+
|
54 |
+
|
55 |
+
def get_local_size() -> int:
|
56 |
+
"""
|
57 |
+
Returns:
|
58 |
+
The size of the per-machine process group,
|
59 |
+
i.e. the number of processes per machine.
|
60 |
+
"""
|
61 |
+
if not is_enabled():
|
62 |
+
return 1
|
63 |
+
assert 0 <= _LOCAL_RANK < _LOCAL_WORLD_SIZE
|
64 |
+
return _LOCAL_WORLD_SIZE
|
65 |
+
|
66 |
+
|
67 |
+
def is_main_process() -> bool:
|
68 |
+
"""
|
69 |
+
Returns:
|
70 |
+
True if the current process is the main one.
|
71 |
+
"""
|
72 |
+
return get_global_rank() == 0
|
73 |
+
|
74 |
+
|
75 |
+
def _restrict_print_to_main_process() -> None:
|
76 |
+
"""
|
77 |
+
This function disables printing when not in the main process
|
78 |
+
"""
|
79 |
+
import builtins as __builtin__
|
80 |
+
|
81 |
+
builtin_print = __builtin__.print
|
82 |
+
|
83 |
+
def print(*args, **kwargs):
|
84 |
+
force = kwargs.pop("force", False)
|
85 |
+
if is_main_process() or force:
|
86 |
+
builtin_print(*args, **kwargs)
|
87 |
+
|
88 |
+
__builtin__.print = print
|
89 |
+
|
90 |
+
|
91 |
+
def _get_master_port(seed: int = 0) -> int:
|
92 |
+
MIN_MASTER_PORT, MAX_MASTER_PORT = (20_000, 60_000)
|
93 |
+
|
94 |
+
master_port_str = os.environ.get("MASTER_PORT")
|
95 |
+
if master_port_str is None:
|
96 |
+
rng = random.Random(seed)
|
97 |
+
return rng.randint(MIN_MASTER_PORT, MAX_MASTER_PORT)
|
98 |
+
|
99 |
+
return int(master_port_str)
|
100 |
+
|
101 |
+
|
102 |
+
def _get_available_port() -> int:
|
103 |
+
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
|
104 |
+
# A "" host address means INADDR_ANY i.e. binding to all interfaces.
|
105 |
+
# Note this is not compatible with IPv6.
|
106 |
+
s.bind(("", 0))
|
107 |
+
port = s.getsockname()[1]
|
108 |
+
return port
|
109 |
+
|
110 |
+
|
111 |
+
_TORCH_DISTRIBUTED_ENV_VARS = (
|
112 |
+
"MASTER_ADDR",
|
113 |
+
"MASTER_PORT",
|
114 |
+
"RANK",
|
115 |
+
"WORLD_SIZE",
|
116 |
+
"LOCAL_RANK",
|
117 |
+
"LOCAL_WORLD_SIZE",
|
118 |
+
)
|
119 |
+
|
120 |
+
|
121 |
+
def _collect_env_vars() -> Dict[str, str]:
|
122 |
+
return {env_var: os.environ[env_var] for env_var in _TORCH_DISTRIBUTED_ENV_VARS if env_var in os.environ}
|
123 |
+
|
124 |
+
|
125 |
+
def _is_slurm_job_process() -> bool:
|
126 |
+
return "SLURM_JOB_ID" in os.environ
|
127 |
+
|
128 |
+
|
129 |
+
def _parse_slurm_node_list(s: str) -> List[str]:
|
130 |
+
nodes = []
|
131 |
+
# Extract "hostname", "hostname[1-2,3,4-5]," substrings
|
132 |
+
p = re.compile(r"(([^\[]+)(?:\[([^\]]+)\])?),?")
|
133 |
+
for m in p.finditer(s):
|
134 |
+
prefix, suffixes = s[m.start(2) : m.end(2)], s[m.start(3) : m.end(3)]
|
135 |
+
for suffix in suffixes.split(","):
|
136 |
+
span = suffix.split("-")
|
137 |
+
if len(span) == 1:
|
138 |
+
nodes.append(prefix + suffix)
|
139 |
+
else:
|
140 |
+
width = len(span[0])
|
141 |
+
start, end = int(span[0]), int(span[1]) + 1
|
142 |
+
nodes.extend([prefix + f"{i:0{width}}" for i in range(start, end)])
|
143 |
+
return nodes
|
144 |
+
|
145 |
+
|
146 |
+
def _check_env_variable(key: str, new_value: str):
|
147 |
+
# Only check for difference with preset environment variables
|
148 |
+
if key in os.environ and os.environ[key] != new_value:
|
149 |
+
raise RuntimeError(f"Cannot export environment variables as {key} is already set")
|
150 |
+
|
151 |
+
|
152 |
+
class _TorchDistributedEnvironment:
|
153 |
+
def __init__(self):
|
154 |
+
self.master_addr = "127.0.0.1"
|
155 |
+
self.master_port = 0
|
156 |
+
self.rank = -1
|
157 |
+
self.world_size = -1
|
158 |
+
self.local_rank = -1
|
159 |
+
self.local_world_size = -1
|
160 |
+
|
161 |
+
if _is_slurm_job_process():
|
162 |
+
return self._set_from_slurm_env()
|
163 |
+
|
164 |
+
env_vars = _collect_env_vars()
|
165 |
+
if not env_vars:
|
166 |
+
# Environment is not set
|
167 |
+
pass
|
168 |
+
elif len(env_vars) == len(_TORCH_DISTRIBUTED_ENV_VARS):
|
169 |
+
# Environment is fully set
|
170 |
+
return self._set_from_preset_env()
|
171 |
+
else:
|
172 |
+
# Environment is partially set
|
173 |
+
collected_env_vars = ", ".join(env_vars.keys())
|
174 |
+
raise RuntimeError(f"Partially set environment: {collected_env_vars}")
|
175 |
+
|
176 |
+
if torch.cuda.device_count() > 0:
|
177 |
+
return self._set_from_local()
|
178 |
+
|
179 |
+
raise RuntimeError("Can't initialize PyTorch distributed environment")
|
180 |
+
|
181 |
+
# Slurm job created with sbatch, submitit, etc...
|
182 |
+
def _set_from_slurm_env(self):
|
183 |
+
# logger.info("Initialization from Slurm environment")
|
184 |
+
job_id = int(os.environ["SLURM_JOB_ID"])
|
185 |
+
node_count = int(os.environ["SLURM_JOB_NUM_NODES"])
|
186 |
+
nodes = _parse_slurm_node_list(os.environ["SLURM_JOB_NODELIST"])
|
187 |
+
assert len(nodes) == node_count
|
188 |
+
|
189 |
+
self.master_addr = nodes[0]
|
190 |
+
self.master_port = _get_master_port(seed=job_id)
|
191 |
+
self.rank = int(os.environ["SLURM_PROCID"])
|
192 |
+
self.world_size = int(os.environ["SLURM_NTASKS"])
|
193 |
+
assert self.rank < self.world_size
|
194 |
+
self.local_rank = int(os.environ["SLURM_LOCALID"])
|
195 |
+
self.local_world_size = self.world_size // node_count
|
196 |
+
assert self.local_rank < self.local_world_size
|
197 |
+
|
198 |
+
# Single node job with preset environment (i.e. torchrun)
|
199 |
+
def _set_from_preset_env(self):
|
200 |
+
# logger.info("Initialization from preset environment")
|
201 |
+
self.master_addr = os.environ["MASTER_ADDR"]
|
202 |
+
self.master_port = os.environ["MASTER_PORT"]
|
203 |
+
self.rank = int(os.environ["RANK"])
|
204 |
+
self.world_size = int(os.environ["WORLD_SIZE"])
|
205 |
+
assert self.rank < self.world_size
|
206 |
+
self.local_rank = int(os.environ["LOCAL_RANK"])
|
207 |
+
self.local_world_size = int(os.environ["LOCAL_WORLD_SIZE"])
|
208 |
+
assert self.local_rank < self.local_world_size
|
209 |
+
|
210 |
+
# Single node and GPU job (i.e. local script run)
|
211 |
+
def _set_from_local(self):
|
212 |
+
# logger.info("Initialization from local")
|
213 |
+
self.master_addr = "127.0.0.1"
|
214 |
+
self.master_port = _get_available_port()
|
215 |
+
self.rank = 0
|
216 |
+
self.world_size = 1
|
217 |
+
self.local_rank = 0
|
218 |
+
self.local_world_size = 1
|
219 |
+
|
220 |
+
def export(self, *, overwrite: bool) -> "_TorchDistributedEnvironment":
|
221 |
+
# See the "Environment variable initialization" section from
|
222 |
+
# https://pytorch.org/docs/stable/distributed.html for the complete list of
|
223 |
+
# environment variables required for the env:// initialization method.
|
224 |
+
env_vars = {
|
225 |
+
"MASTER_ADDR": self.master_addr,
|
226 |
+
"MASTER_PORT": str(self.master_port),
|
227 |
+
"RANK": str(self.rank),
|
228 |
+
"WORLD_SIZE": str(self.world_size),
|
229 |
+
"LOCAL_RANK": str(self.local_rank),
|
230 |
+
"LOCAL_WORLD_SIZE": str(self.local_world_size),
|
231 |
+
}
|
232 |
+
if not overwrite:
|
233 |
+
for k, v in env_vars.items():
|
234 |
+
_check_env_variable(k, v)
|
235 |
+
|
236 |
+
os.environ.update(env_vars)
|
237 |
+
return self
|
238 |
+
|
239 |
+
|
240 |
+
def enable(*, set_cuda_current_device: bool = True, overwrite: bool = False, allow_nccl_timeout: bool = False):
|
241 |
+
"""Enable distributed mode
|
242 |
+
|
243 |
+
Args:
|
244 |
+
set_cuda_current_device: If True, call torch.cuda.set_device() to set the
|
245 |
+
current PyTorch CUDA device to the one matching the local rank.
|
246 |
+
overwrite: If True, overwrites already set variables. Else fails.
|
247 |
+
"""
|
248 |
+
|
249 |
+
global _LOCAL_RANK, _LOCAL_WORLD_SIZE
|
250 |
+
if _LOCAL_RANK >= 0 or _LOCAL_WORLD_SIZE >= 0:
|
251 |
+
raise RuntimeError("Distributed mode has already been enabled")
|
252 |
+
torch_env = _TorchDistributedEnvironment()
|
253 |
+
torch_env.export(overwrite=overwrite)
|
254 |
+
|
255 |
+
if set_cuda_current_device:
|
256 |
+
torch.cuda.set_device(torch_env.local_rank)
|
257 |
+
|
258 |
+
if allow_nccl_timeout:
|
259 |
+
# This allows to use torch distributed timeout in a NCCL backend
|
260 |
+
key, value = "NCCL_ASYNC_ERROR_HANDLING", "1"
|
261 |
+
if not overwrite:
|
262 |
+
_check_env_variable(key, value)
|
263 |
+
os.environ[key] = value
|
264 |
+
|
265 |
+
dist.init_process_group(backend="nccl")
|
266 |
+
dist.barrier()
|
267 |
+
|
268 |
+
# Finalize setup
|
269 |
+
_LOCAL_RANK = torch_env.local_rank
|
270 |
+
_LOCAL_WORLD_SIZE = torch_env.local_world_size
|
271 |
+
_restrict_print_to_main_process()
|
dinov2/dinov2/eval/__init__.py
ADDED
@@ -0,0 +1,5 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
dinov2/dinov2/eval/knn.py
ADDED
@@ -0,0 +1,404 @@
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|
|
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|
|
|
|
|
|
|
|
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|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import argparse
|
8 |
+
from functools import partial
|
9 |
+
import json
|
10 |
+
import logging
|
11 |
+
import os
|
12 |
+
import sys
|
13 |
+
from typing import List, Optional
|
14 |
+
|
15 |
+
import torch
|
16 |
+
from torch.nn.functional import one_hot, softmax
|
17 |
+
|
18 |
+
import dinov2.distributed as distributed
|
19 |
+
from dinov2.data import SamplerType, make_data_loader, make_dataset
|
20 |
+
from dinov2.data.transforms import make_classification_eval_transform
|
21 |
+
from dinov2.eval.metrics import AccuracyAveraging, build_topk_accuracy_metric
|
22 |
+
from dinov2.eval.setup import get_args_parser as get_setup_args_parser
|
23 |
+
from dinov2.eval.setup import setup_and_build_model
|
24 |
+
from dinov2.eval.utils import ModelWithNormalize, evaluate, extract_features
|
25 |
+
|
26 |
+
|
27 |
+
logger = logging.getLogger("dinov2")
|
28 |
+
|
29 |
+
|
30 |
+
def get_args_parser(
|
31 |
+
description: Optional[str] = None,
|
32 |
+
parents: Optional[List[argparse.ArgumentParser]] = [],
|
33 |
+
add_help: bool = True,
|
34 |
+
):
|
35 |
+
setup_args_parser = get_setup_args_parser(parents=parents, add_help=False)
|
36 |
+
parents = [setup_args_parser]
|
37 |
+
parser = argparse.ArgumentParser(
|
38 |
+
description=description,
|
39 |
+
parents=parents,
|
40 |
+
add_help=add_help,
|
41 |
+
)
|
42 |
+
parser.add_argument(
|
43 |
+
"--train-dataset",
|
44 |
+
dest="train_dataset_str",
|
45 |
+
type=str,
|
46 |
+
help="Training dataset",
|
47 |
+
)
|
48 |
+
parser.add_argument(
|
49 |
+
"--val-dataset",
|
50 |
+
dest="val_dataset_str",
|
51 |
+
type=str,
|
52 |
+
help="Validation dataset",
|
53 |
+
)
|
54 |
+
parser.add_argument(
|
55 |
+
"--nb_knn",
|
56 |
+
nargs="+",
|
57 |
+
type=int,
|
58 |
+
help="Number of NN to use. 20 is usually working the best.",
|
59 |
+
)
|
60 |
+
parser.add_argument(
|
61 |
+
"--temperature",
|
62 |
+
type=float,
|
63 |
+
help="Temperature used in the voting coefficient",
|
64 |
+
)
|
65 |
+
parser.add_argument(
|
66 |
+
"--gather-on-cpu",
|
67 |
+
action="store_true",
|
68 |
+
help="Whether to gather the train features on cpu, slower"
|
69 |
+
"but useful to avoid OOM for large datasets (e.g. ImageNet22k).",
|
70 |
+
)
|
71 |
+
parser.add_argument(
|
72 |
+
"--batch-size",
|
73 |
+
type=int,
|
74 |
+
help="Batch size.",
|
75 |
+
)
|
76 |
+
parser.add_argument(
|
77 |
+
"--n-per-class-list",
|
78 |
+
nargs="+",
|
79 |
+
type=int,
|
80 |
+
help="Number to take per class",
|
81 |
+
)
|
82 |
+
parser.add_argument(
|
83 |
+
"--n-tries",
|
84 |
+
type=int,
|
85 |
+
help="Number of tries",
|
86 |
+
)
|
87 |
+
parser.set_defaults(
|
88 |
+
train_dataset_str="ImageNet:split=TRAIN",
|
89 |
+
val_dataset_str="ImageNet:split=VAL",
|
90 |
+
nb_knn=[10, 20, 100, 200],
|
91 |
+
temperature=0.07,
|
92 |
+
batch_size=256,
|
93 |
+
n_per_class_list=[-1],
|
94 |
+
n_tries=1,
|
95 |
+
)
|
96 |
+
return parser
|
97 |
+
|
98 |
+
|
99 |
+
class KnnModule(torch.nn.Module):
|
100 |
+
"""
|
101 |
+
Gets knn of test features from all processes on a chunk of the train features
|
102 |
+
|
103 |
+
Each rank gets a chunk of the train features as well as a chunk of the test features.
|
104 |
+
In `compute_neighbors`, for each rank one after the other, its chunk of test features
|
105 |
+
is sent to all devices, partial knns are computed with each chunk of train features
|
106 |
+
then collated back on the original device.
|
107 |
+
"""
|
108 |
+
|
109 |
+
def __init__(self, train_features, train_labels, nb_knn, T, device, num_classes=1000):
|
110 |
+
super().__init__()
|
111 |
+
|
112 |
+
self.global_rank = distributed.get_global_rank()
|
113 |
+
self.global_size = distributed.get_global_size()
|
114 |
+
|
115 |
+
self.device = device
|
116 |
+
self.train_features_rank_T = train_features.chunk(self.global_size)[self.global_rank].T.to(self.device)
|
117 |
+
self.candidates = train_labels.chunk(self.global_size)[self.global_rank].view(1, -1).to(self.device)
|
118 |
+
|
119 |
+
self.nb_knn = nb_knn
|
120 |
+
self.max_k = max(self.nb_knn)
|
121 |
+
self.T = T
|
122 |
+
self.num_classes = num_classes
|
123 |
+
|
124 |
+
def _get_knn_sims_and_labels(self, similarity, train_labels):
|
125 |
+
topk_sims, indices = similarity.topk(self.max_k, largest=True, sorted=True)
|
126 |
+
neighbors_labels = torch.gather(train_labels, 1, indices)
|
127 |
+
return topk_sims, neighbors_labels
|
128 |
+
|
129 |
+
def _similarity_for_rank(self, features_rank, source_rank):
|
130 |
+
# Send the features from `source_rank` to all ranks
|
131 |
+
broadcast_shape = torch.tensor(features_rank.shape).to(self.device)
|
132 |
+
torch.distributed.broadcast(broadcast_shape, source_rank)
|
133 |
+
|
134 |
+
broadcasted = features_rank
|
135 |
+
if self.global_rank != source_rank:
|
136 |
+
broadcasted = torch.zeros(*broadcast_shape, dtype=features_rank.dtype, device=self.device)
|
137 |
+
torch.distributed.broadcast(broadcasted, source_rank)
|
138 |
+
|
139 |
+
# Compute the neighbors for `source_rank` among `train_features_rank_T`
|
140 |
+
similarity_rank = torch.mm(broadcasted, self.train_features_rank_T)
|
141 |
+
candidate_labels = self.candidates.expand(len(similarity_rank), -1)
|
142 |
+
return self._get_knn_sims_and_labels(similarity_rank, candidate_labels)
|
143 |
+
|
144 |
+
def _gather_all_knn_for_rank(self, topk_sims, neighbors_labels, target_rank):
|
145 |
+
# Gather all neighbors for `target_rank`
|
146 |
+
topk_sims_rank = retrieved_rank = None
|
147 |
+
if self.global_rank == target_rank:
|
148 |
+
topk_sims_rank = [torch.zeros_like(topk_sims) for _ in range(self.global_size)]
|
149 |
+
retrieved_rank = [torch.zeros_like(neighbors_labels) for _ in range(self.global_size)]
|
150 |
+
|
151 |
+
torch.distributed.gather(topk_sims, topk_sims_rank, dst=target_rank)
|
152 |
+
torch.distributed.gather(neighbors_labels, retrieved_rank, dst=target_rank)
|
153 |
+
|
154 |
+
if self.global_rank == target_rank:
|
155 |
+
# Perform a second top-k on the k * global_size retrieved neighbors
|
156 |
+
topk_sims_rank = torch.cat(topk_sims_rank, dim=1)
|
157 |
+
retrieved_rank = torch.cat(retrieved_rank, dim=1)
|
158 |
+
results = self._get_knn_sims_and_labels(topk_sims_rank, retrieved_rank)
|
159 |
+
return results
|
160 |
+
return None
|
161 |
+
|
162 |
+
def compute_neighbors(self, features_rank):
|
163 |
+
for rank in range(self.global_size):
|
164 |
+
topk_sims, neighbors_labels = self._similarity_for_rank(features_rank, rank)
|
165 |
+
results = self._gather_all_knn_for_rank(topk_sims, neighbors_labels, rank)
|
166 |
+
if results is not None:
|
167 |
+
topk_sims_rank, neighbors_labels_rank = results
|
168 |
+
return topk_sims_rank, neighbors_labels_rank
|
169 |
+
|
170 |
+
def forward(self, features_rank):
|
171 |
+
"""
|
172 |
+
Compute the results on all values of `self.nb_knn` neighbors from the full `self.max_k`
|
173 |
+
"""
|
174 |
+
assert all(k <= self.max_k for k in self.nb_knn)
|
175 |
+
|
176 |
+
topk_sims, neighbors_labels = self.compute_neighbors(features_rank)
|
177 |
+
batch_size = neighbors_labels.shape[0]
|
178 |
+
topk_sims_transform = softmax(topk_sims / self.T, 1)
|
179 |
+
matmul = torch.mul(
|
180 |
+
one_hot(neighbors_labels, num_classes=self.num_classes),
|
181 |
+
topk_sims_transform.view(batch_size, -1, 1),
|
182 |
+
)
|
183 |
+
probas_for_k = {k: torch.sum(matmul[:, :k, :], 1) for k in self.nb_knn}
|
184 |
+
return probas_for_k
|
185 |
+
|
186 |
+
|
187 |
+
class DictKeysModule(torch.nn.Module):
|
188 |
+
def __init__(self, keys):
|
189 |
+
super().__init__()
|
190 |
+
self.keys = keys
|
191 |
+
|
192 |
+
def forward(self, features_dict, targets):
|
193 |
+
for k in self.keys:
|
194 |
+
features_dict = features_dict[k]
|
195 |
+
return {"preds": features_dict, "target": targets}
|
196 |
+
|
197 |
+
|
198 |
+
def create_module_dict(*, module, n_per_class_list, n_tries, nb_knn, train_features, train_labels):
|
199 |
+
modules = {}
|
200 |
+
mapping = create_class_indices_mapping(train_labels)
|
201 |
+
for npc in n_per_class_list:
|
202 |
+
if npc < 0: # Only one try needed when using the full data
|
203 |
+
full_module = module(
|
204 |
+
train_features=train_features,
|
205 |
+
train_labels=train_labels,
|
206 |
+
nb_knn=nb_knn,
|
207 |
+
)
|
208 |
+
modules["full"] = ModuleDictWithForward({"1": full_module})
|
209 |
+
continue
|
210 |
+
all_tries = {}
|
211 |
+
for t in range(n_tries):
|
212 |
+
final_indices = filter_train(mapping, npc, seed=t)
|
213 |
+
k_list = list(set(nb_knn + [npc]))
|
214 |
+
k_list = sorted([el for el in k_list if el <= npc])
|
215 |
+
all_tries[str(t)] = module(
|
216 |
+
train_features=train_features[final_indices],
|
217 |
+
train_labels=train_labels[final_indices],
|
218 |
+
nb_knn=k_list,
|
219 |
+
)
|
220 |
+
modules[f"{npc} per class"] = ModuleDictWithForward(all_tries)
|
221 |
+
|
222 |
+
return ModuleDictWithForward(modules)
|
223 |
+
|
224 |
+
|
225 |
+
def filter_train(mapping, n_per_class, seed):
|
226 |
+
torch.manual_seed(seed)
|
227 |
+
final_indices = []
|
228 |
+
for k in mapping.keys():
|
229 |
+
index = torch.randperm(len(mapping[k]))[:n_per_class]
|
230 |
+
final_indices.append(mapping[k][index])
|
231 |
+
return torch.cat(final_indices).squeeze()
|
232 |
+
|
233 |
+
|
234 |
+
def create_class_indices_mapping(labels):
|
235 |
+
unique_labels, inverse = torch.unique(labels, return_inverse=True)
|
236 |
+
mapping = {unique_labels[i]: (inverse == i).nonzero() for i in range(len(unique_labels))}
|
237 |
+
return mapping
|
238 |
+
|
239 |
+
|
240 |
+
class ModuleDictWithForward(torch.nn.ModuleDict):
|
241 |
+
def forward(self, *args, **kwargs):
|
242 |
+
return {k: module(*args, **kwargs) for k, module in self._modules.items()}
|
243 |
+
|
244 |
+
|
245 |
+
def eval_knn(
|
246 |
+
model,
|
247 |
+
train_dataset,
|
248 |
+
val_dataset,
|
249 |
+
accuracy_averaging,
|
250 |
+
nb_knn,
|
251 |
+
temperature,
|
252 |
+
batch_size,
|
253 |
+
num_workers,
|
254 |
+
gather_on_cpu,
|
255 |
+
n_per_class_list=[-1],
|
256 |
+
n_tries=1,
|
257 |
+
):
|
258 |
+
model = ModelWithNormalize(model)
|
259 |
+
|
260 |
+
logger.info("Extracting features for train set...")
|
261 |
+
train_features, train_labels = extract_features(
|
262 |
+
model, train_dataset, batch_size, num_workers, gather_on_cpu=gather_on_cpu
|
263 |
+
)
|
264 |
+
logger.info(f"Train features created, shape {train_features.shape}.")
|
265 |
+
|
266 |
+
val_dataloader = make_data_loader(
|
267 |
+
dataset=val_dataset,
|
268 |
+
batch_size=batch_size,
|
269 |
+
num_workers=num_workers,
|
270 |
+
sampler_type=SamplerType.DISTRIBUTED,
|
271 |
+
drop_last=False,
|
272 |
+
shuffle=False,
|
273 |
+
persistent_workers=True,
|
274 |
+
)
|
275 |
+
num_classes = train_labels.max() + 1
|
276 |
+
metric_collection = build_topk_accuracy_metric(accuracy_averaging, num_classes=num_classes)
|
277 |
+
|
278 |
+
device = torch.cuda.current_device()
|
279 |
+
partial_module = partial(KnnModule, T=temperature, device=device, num_classes=num_classes)
|
280 |
+
knn_module_dict = create_module_dict(
|
281 |
+
module=partial_module,
|
282 |
+
n_per_class_list=n_per_class_list,
|
283 |
+
n_tries=n_tries,
|
284 |
+
nb_knn=nb_knn,
|
285 |
+
train_features=train_features,
|
286 |
+
train_labels=train_labels,
|
287 |
+
)
|
288 |
+
postprocessors, metrics = {}, {}
|
289 |
+
for n_per_class, knn_module in knn_module_dict.items():
|
290 |
+
for t, knn_try in knn_module.items():
|
291 |
+
postprocessors = {
|
292 |
+
**postprocessors,
|
293 |
+
**{(n_per_class, t, k): DictKeysModule([n_per_class, t, k]) for k in knn_try.nb_knn},
|
294 |
+
}
|
295 |
+
metrics = {**metrics, **{(n_per_class, t, k): metric_collection.clone() for k in knn_try.nb_knn}}
|
296 |
+
model_with_knn = torch.nn.Sequential(model, knn_module_dict)
|
297 |
+
|
298 |
+
# ============ evaluation ... ============
|
299 |
+
logger.info("Start the k-NN classification.")
|
300 |
+
_, results_dict = evaluate(model_with_knn, val_dataloader, postprocessors, metrics, device)
|
301 |
+
|
302 |
+
# Averaging the results over the n tries for each value of n_per_class
|
303 |
+
for n_per_class, knn_module in knn_module_dict.items():
|
304 |
+
first_try = list(knn_module.keys())[0]
|
305 |
+
k_list = knn_module[first_try].nb_knn
|
306 |
+
for k in k_list:
|
307 |
+
keys = results_dict[(n_per_class, first_try, k)].keys() # keys are e.g. `top-1` and `top-5`
|
308 |
+
results_dict[(n_per_class, k)] = {
|
309 |
+
key: torch.mean(torch.stack([results_dict[(n_per_class, t, k)][key] for t in knn_module.keys()]))
|
310 |
+
for key in keys
|
311 |
+
}
|
312 |
+
for t in knn_module.keys():
|
313 |
+
del results_dict[(n_per_class, t, k)]
|
314 |
+
|
315 |
+
return results_dict
|
316 |
+
|
317 |
+
|
318 |
+
def eval_knn_with_model(
|
319 |
+
model,
|
320 |
+
output_dir,
|
321 |
+
train_dataset_str="ImageNet:split=TRAIN",
|
322 |
+
val_dataset_str="ImageNet:split=VAL",
|
323 |
+
nb_knn=(10, 20, 100, 200),
|
324 |
+
temperature=0.07,
|
325 |
+
autocast_dtype=torch.float,
|
326 |
+
accuracy_averaging=AccuracyAveraging.MEAN_ACCURACY,
|
327 |
+
transform=None,
|
328 |
+
gather_on_cpu=False,
|
329 |
+
batch_size=256,
|
330 |
+
num_workers=5,
|
331 |
+
n_per_class_list=[-1],
|
332 |
+
n_tries=1,
|
333 |
+
):
|
334 |
+
transform = transform or make_classification_eval_transform()
|
335 |
+
|
336 |
+
train_dataset = make_dataset(
|
337 |
+
dataset_str=train_dataset_str,
|
338 |
+
transform=transform,
|
339 |
+
)
|
340 |
+
val_dataset = make_dataset(
|
341 |
+
dataset_str=val_dataset_str,
|
342 |
+
transform=transform,
|
343 |
+
)
|
344 |
+
|
345 |
+
with torch.cuda.amp.autocast(dtype=autocast_dtype):
|
346 |
+
results_dict_knn = eval_knn(
|
347 |
+
model=model,
|
348 |
+
train_dataset=train_dataset,
|
349 |
+
val_dataset=val_dataset,
|
350 |
+
accuracy_averaging=accuracy_averaging,
|
351 |
+
nb_knn=nb_knn,
|
352 |
+
temperature=temperature,
|
353 |
+
batch_size=batch_size,
|
354 |
+
num_workers=num_workers,
|
355 |
+
gather_on_cpu=gather_on_cpu,
|
356 |
+
n_per_class_list=n_per_class_list,
|
357 |
+
n_tries=n_tries,
|
358 |
+
)
|
359 |
+
|
360 |
+
results_dict = {}
|
361 |
+
if distributed.is_main_process():
|
362 |
+
for knn_ in results_dict_knn.keys():
|
363 |
+
top1 = results_dict_knn[knn_]["top-1"].item() * 100.0
|
364 |
+
top5 = results_dict_knn[knn_]["top-5"].item() * 100.0
|
365 |
+
results_dict[f"{knn_} Top 1"] = top1
|
366 |
+
results_dict[f"{knn_} Top 5"] = top5
|
367 |
+
logger.info(f"{knn_} classifier result: Top1: {top1:.2f} Top5: {top5:.2f}")
|
368 |
+
|
369 |
+
metrics_file_path = os.path.join(output_dir, "results_eval_knn.json")
|
370 |
+
with open(metrics_file_path, "a") as f:
|
371 |
+
for k, v in results_dict.items():
|
372 |
+
f.write(json.dumps({k: v}) + "\n")
|
373 |
+
|
374 |
+
if distributed.is_enabled():
|
375 |
+
torch.distributed.barrier()
|
376 |
+
return results_dict
|
377 |
+
|
378 |
+
|
379 |
+
def main(args):
|
380 |
+
model, autocast_dtype = setup_and_build_model(args)
|
381 |
+
eval_knn_with_model(
|
382 |
+
model=model,
|
383 |
+
output_dir=args.output_dir,
|
384 |
+
train_dataset_str=args.train_dataset_str,
|
385 |
+
val_dataset_str=args.val_dataset_str,
|
386 |
+
nb_knn=args.nb_knn,
|
387 |
+
temperature=args.temperature,
|
388 |
+
autocast_dtype=autocast_dtype,
|
389 |
+
accuracy_averaging=AccuracyAveraging.MEAN_ACCURACY,
|
390 |
+
transform=None,
|
391 |
+
gather_on_cpu=args.gather_on_cpu,
|
392 |
+
batch_size=args.batch_size,
|
393 |
+
num_workers=5,
|
394 |
+
n_per_class_list=args.n_per_class_list,
|
395 |
+
n_tries=args.n_tries,
|
396 |
+
)
|
397 |
+
return 0
|
398 |
+
|
399 |
+
|
400 |
+
if __name__ == "__main__":
|
401 |
+
description = "DINOv2 k-NN evaluation"
|
402 |
+
args_parser = get_args_parser(description=description)
|
403 |
+
args = args_parser.parse_args()
|
404 |
+
sys.exit(main(args))
|
dinov2/dinov2/eval/linear.py
ADDED
@@ -0,0 +1,625 @@
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|
|
1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
2 |
+
# All rights reserved.
|
3 |
+
#
|
4 |
+
# This source code is licensed under the license found in the
|
5 |
+
# LICENSE file in the root directory of this source tree.
|
6 |
+
|
7 |
+
import argparse
|
8 |
+
from functools import partial
|
9 |
+
import json
|
10 |
+
import logging
|
11 |
+
import os
|
12 |
+
import sys
|
13 |
+
from typing import List, Optional
|
14 |
+
|
15 |
+
import numpy as np
|
16 |
+
import torch
|
17 |
+
import torch.nn as nn
|
18 |
+
from torch.nn.parallel import DistributedDataParallel
|
19 |
+
from fvcore.common.checkpoint import Checkpointer, PeriodicCheckpointer
|
20 |
+
|
21 |
+
from dinov2.data import SamplerType, make_data_loader, make_dataset
|
22 |
+
from dinov2.data.transforms import make_classification_eval_transform, make_classification_train_transform
|
23 |
+
import dinov2.distributed as distributed
|
24 |
+
from dinov2.eval.metrics import MetricType, build_metric
|
25 |
+
from dinov2.eval.setup import get_args_parser as get_setup_args_parser
|
26 |
+
from dinov2.eval.setup import setup_and_build_model
|
27 |
+
from dinov2.eval.utils import ModelWithIntermediateLayers, evaluate
|
28 |
+
from dinov2.logging import MetricLogger
|
29 |
+
|
30 |
+
|
31 |
+
logger = logging.getLogger("dinov2")
|
32 |
+
|
33 |
+
|
34 |
+
def get_args_parser(
|
35 |
+
description: Optional[str] = None,
|
36 |
+
parents: Optional[List[argparse.ArgumentParser]] = [],
|
37 |
+
add_help: bool = True,
|
38 |
+
):
|
39 |
+
setup_args_parser = get_setup_args_parser(parents=parents, add_help=False)
|
40 |
+
parents = [setup_args_parser]
|
41 |
+
parser = argparse.ArgumentParser(
|
42 |
+
description=description,
|
43 |
+
parents=parents,
|
44 |
+
add_help=add_help,
|
45 |
+
)
|
46 |
+
parser.add_argument(
|
47 |
+
"--train-dataset",
|
48 |
+
dest="train_dataset_str",
|
49 |
+
type=str,
|
50 |
+
help="Training dataset",
|
51 |
+
)
|
52 |
+
parser.add_argument(
|
53 |
+
"--val-dataset",
|
54 |
+
dest="val_dataset_str",
|
55 |
+
type=str,
|
56 |
+
help="Validation dataset",
|
57 |
+
)
|
58 |
+
parser.add_argument(
|
59 |
+
"--test-datasets",
|
60 |
+
dest="test_dataset_strs",
|
61 |
+
type=str,
|
62 |
+
nargs="+",
|
63 |
+
help="Test datasets, none to reuse the validation dataset",
|
64 |
+
)
|
65 |
+
parser.add_argument(
|
66 |
+
"--epochs",
|
67 |
+
type=int,
|
68 |
+
help="Number of training epochs",
|
69 |
+
)
|
70 |
+
parser.add_argument(
|
71 |
+
"--batch-size",
|
72 |
+
type=int,
|
73 |
+
help="Batch Size (per GPU)",
|
74 |
+
)
|
75 |
+
parser.add_argument(
|
76 |
+
"--num-workers",
|
77 |
+
type=int,
|
78 |
+
help="Number de Workers",
|
79 |
+
)
|
80 |
+
parser.add_argument(
|
81 |
+
"--epoch-length",
|
82 |
+
type=int,
|
83 |
+
help="Length of an epoch in number of iterations",
|
84 |
+
)
|
85 |
+
parser.add_argument(
|
86 |
+
"--save-checkpoint-frequency",
|
87 |
+
type=int,
|
88 |
+
help="Number of epochs between two named checkpoint saves.",
|
89 |
+
)
|
90 |
+
parser.add_argument(
|
91 |
+
"--eval-period-iterations",
|
92 |
+
type=int,
|
93 |
+
help="Number of iterations between two evaluations.",
|
94 |
+
)
|
95 |
+
parser.add_argument(
|
96 |
+
"--learning-rates",
|
97 |
+
nargs="+",
|
98 |
+
type=float,
|
99 |
+
help="Learning rates to grid search.",
|
100 |
+
)
|
101 |
+
parser.add_argument(
|
102 |
+
"--no-resume",
|
103 |
+
action="store_true",
|
104 |
+
help="Whether to not resume from existing checkpoints",
|
105 |
+
)
|
106 |
+
parser.add_argument(
|
107 |
+
"--val-metric-type",
|
108 |
+
type=MetricType,
|
109 |
+
choices=list(MetricType),
|
110 |
+
help="Validation metric",
|
111 |
+
)
|
112 |
+
parser.add_argument(
|
113 |
+
"--test-metric-types",
|
114 |
+
type=MetricType,
|
115 |
+
choices=list(MetricType),
|
116 |
+
nargs="+",
|
117 |
+
help="Evaluation metric",
|
118 |
+
)
|
119 |
+
parser.add_argument(
|
120 |
+
"--classifier-fpath",
|
121 |
+
type=str,
|
122 |
+
help="Path to a file containing pretrained linear classifiers",
|
123 |
+
)
|
124 |
+
parser.add_argument(
|
125 |
+
"--val-class-mapping-fpath",
|
126 |
+
type=str,
|
127 |
+
help="Path to a file containing a mapping to adjust classifier outputs",
|
128 |
+
)
|
129 |
+
parser.add_argument(
|
130 |
+
"--test-class-mapping-fpaths",
|
131 |
+
nargs="+",
|
132 |
+
type=str,
|
133 |
+
help="Path to a file containing a mapping to adjust classifier outputs",
|
134 |
+
)
|
135 |
+
parser.set_defaults(
|
136 |
+
train_dataset_str="ImageNet:split=TRAIN",
|
137 |
+
val_dataset_str="ImageNet:split=VAL",
|
138 |
+
test_dataset_strs=None,
|
139 |
+
epochs=10,
|
140 |
+
batch_size=128,
|
141 |
+
num_workers=8,
|
142 |
+
epoch_length=1250,
|
143 |
+
save_checkpoint_frequency=20,
|
144 |
+
eval_period_iterations=1250,
|
145 |
+
learning_rates=[1e-5, 2e-5, 5e-5, 1e-4, 2e-4, 5e-4, 1e-3, 2e-3, 5e-3, 1e-2, 2e-2, 5e-2, 0.1],
|
146 |
+
val_metric_type=MetricType.MEAN_ACCURACY,
|
147 |
+
test_metric_types=None,
|
148 |
+
classifier_fpath=None,
|
149 |
+
val_class_mapping_fpath=None,
|
150 |
+
test_class_mapping_fpaths=[None],
|
151 |
+
)
|
152 |
+
return parser
|
153 |
+
|
154 |
+
|
155 |
+
def has_ddp_wrapper(m: nn.Module) -> bool:
|
156 |
+
return isinstance(m, DistributedDataParallel)
|
157 |
+
|
158 |
+
|
159 |
+
def remove_ddp_wrapper(m: nn.Module) -> nn.Module:
|
160 |
+
return m.module if has_ddp_wrapper(m) else m
|
161 |
+
|
162 |
+
|
163 |
+
def _pad_and_collate(batch):
|
164 |
+
maxlen = max(len(targets) for image, targets in batch)
|
165 |
+
padded_batch = [
|
166 |
+
(image, np.pad(targets, (0, maxlen - len(targets)), constant_values=-1)) for image, targets in batch
|
167 |
+
]
|
168 |
+
return torch.utils.data.default_collate(padded_batch)
|
169 |
+
|
170 |
+
|
171 |
+
def create_linear_input(x_tokens_list, use_n_blocks, use_avgpool):
|
172 |
+
intermediate_output = x_tokens_list[-use_n_blocks:]
|
173 |
+
output = torch.cat([class_token for _, class_token in intermediate_output], dim=-1)
|
174 |
+
if use_avgpool:
|
175 |
+
output = torch.cat(
|
176 |
+
(
|
177 |
+
output,
|
178 |
+
torch.mean(intermediate_output[-1][0], dim=1), # patch tokens
|
179 |
+
),
|
180 |
+
dim=-1,
|
181 |
+
)
|
182 |
+
output = output.reshape(output.shape[0], -1)
|
183 |
+
return output.float()
|
184 |
+
|
185 |
+
|
186 |
+
class LinearClassifier(nn.Module):
|
187 |
+
"""Linear layer to train on top of frozen features"""
|
188 |
+
|
189 |
+
def __init__(self, out_dim, use_n_blocks, use_avgpool, num_classes=1000):
|
190 |
+
super().__init__()
|
191 |
+
self.out_dim = out_dim
|
192 |
+
self.use_n_blocks = use_n_blocks
|
193 |
+
self.use_avgpool = use_avgpool
|
194 |
+
self.num_classes = num_classes
|
195 |
+
self.linear = nn.Linear(out_dim, num_classes)
|
196 |
+
self.linear.weight.data.normal_(mean=0.0, std=0.01)
|
197 |
+
self.linear.bias.data.zero_()
|
198 |
+
|
199 |
+
def forward(self, x_tokens_list):
|
200 |
+
output = create_linear_input(x_tokens_list, self.use_n_blocks, self.use_avgpool)
|
201 |
+
return self.linear(output)
|
202 |
+
|
203 |
+
|
204 |
+
class AllClassifiers(nn.Module):
|
205 |
+
def __init__(self, classifiers_dict):
|
206 |
+
super().__init__()
|
207 |
+
self.classifiers_dict = nn.ModuleDict()
|
208 |
+
self.classifiers_dict.update(classifiers_dict)
|
209 |
+
|
210 |
+
def forward(self, inputs):
|
211 |
+
return {k: v.forward(inputs) for k, v in self.classifiers_dict.items()}
|
212 |
+
|
213 |
+
def __len__(self):
|
214 |
+
return len(self.classifiers_dict)
|
215 |
+
|
216 |
+
|
217 |
+
class LinearPostprocessor(nn.Module):
|
218 |
+
def __init__(self, linear_classifier, class_mapping=None):
|
219 |
+
super().__init__()
|
220 |
+
self.linear_classifier = linear_classifier
|
221 |
+
self.register_buffer("class_mapping", None if class_mapping is None else torch.LongTensor(class_mapping))
|
222 |
+
|
223 |
+
def forward(self, samples, targets):
|
224 |
+
preds = self.linear_classifier(samples)
|
225 |
+
return {
|
226 |
+
"preds": preds[:, self.class_mapping] if self.class_mapping is not None else preds,
|
227 |
+
"target": targets,
|
228 |
+
}
|
229 |
+
|
230 |
+
|
231 |
+
def scale_lr(learning_rates, batch_size):
|
232 |
+
return learning_rates * (batch_size * distributed.get_global_size()) / 256.0
|
233 |
+
|
234 |
+
|
235 |
+
def setup_linear_classifiers(sample_output, n_last_blocks_list, learning_rates, batch_size, num_classes=1000):
|
236 |
+
linear_classifiers_dict = nn.ModuleDict()
|
237 |
+
optim_param_groups = []
|
238 |
+
for n in n_last_blocks_list:
|
239 |
+
for avgpool in [False, True]:
|
240 |
+
for _lr in learning_rates:
|
241 |
+
lr = scale_lr(_lr, batch_size)
|
242 |
+
out_dim = create_linear_input(sample_output, use_n_blocks=n, use_avgpool=avgpool).shape[1]
|
243 |
+
linear_classifier = LinearClassifier(
|
244 |
+
out_dim, use_n_blocks=n, use_avgpool=avgpool, num_classes=num_classes
|
245 |
+
)
|
246 |
+
linear_classifier = linear_classifier.cuda()
|
247 |
+
linear_classifiers_dict[
|
248 |
+
f"classifier_{n}_blocks_avgpool_{avgpool}_lr_{lr:.5f}".replace(".", "_")
|
249 |
+
] = linear_classifier
|
250 |
+
optim_param_groups.append({"params": linear_classifier.parameters(), "lr": lr})
|
251 |
+
|
252 |
+
linear_classifiers = AllClassifiers(linear_classifiers_dict)
|
253 |
+
if distributed.is_enabled():
|
254 |
+
linear_classifiers = nn.parallel.DistributedDataParallel(linear_classifiers)
|
255 |
+
|
256 |
+
return linear_classifiers, optim_param_groups
|
257 |
+
|
258 |
+
|
259 |
+
@torch.no_grad()
|
260 |
+
def evaluate_linear_classifiers(
|
261 |
+
feature_model,
|
262 |
+
linear_classifiers,
|
263 |
+
data_loader,
|
264 |
+
metric_type,
|
265 |
+
metrics_file_path,
|
266 |
+
training_num_classes,
|
267 |
+
iteration,
|
268 |
+
prefixstring="",
|
269 |
+
class_mapping=None,
|
270 |
+
best_classifier_on_val=None,
|
271 |
+
):
|
272 |
+
logger.info("running validation !")
|
273 |
+
|
274 |
+
num_classes = len(class_mapping) if class_mapping is not None else training_num_classes
|
275 |
+
metric = build_metric(metric_type, num_classes=num_classes)
|
276 |
+
postprocessors = {k: LinearPostprocessor(v, class_mapping) for k, v in linear_classifiers.classifiers_dict.items()}
|
277 |
+
metrics = {k: metric.clone() for k in linear_classifiers.classifiers_dict}
|
278 |
+
|
279 |
+
_, results_dict_temp = evaluate(
|
280 |
+
feature_model,
|
281 |
+
data_loader,
|
282 |
+
postprocessors,
|
283 |
+
metrics,
|
284 |
+
torch.cuda.current_device(),
|
285 |
+
)
|
286 |
+
|
287 |
+
logger.info("")
|
288 |
+
results_dict = {}
|
289 |
+
max_accuracy = 0
|
290 |
+
best_classifier = ""
|
291 |
+
for i, (classifier_string, metric) in enumerate(results_dict_temp.items()):
|
292 |
+
logger.info(f"{prefixstring} -- Classifier: {classifier_string} * {metric}")
|
293 |
+
if (
|
294 |
+
best_classifier_on_val is None and metric["top-1"].item() > max_accuracy
|
295 |
+
) or classifier_string == best_classifier_on_val:
|
296 |
+
max_accuracy = metric["top-1"].item()
|
297 |
+
best_classifier = classifier_string
|
298 |
+
|
299 |
+
results_dict["best_classifier"] = {"name": best_classifier, "accuracy": max_accuracy}
|
300 |
+
|
301 |
+
logger.info(f"best classifier: {results_dict['best_classifier']}")
|
302 |
+
|
303 |
+
if distributed.is_main_process():
|
304 |
+
with open(metrics_file_path, "a") as f:
|
305 |
+
f.write(f"iter: {iteration}\n")
|
306 |
+
for k, v in results_dict.items():
|
307 |
+
f.write(json.dumps({k: v}) + "\n")
|
308 |
+
f.write("\n")
|
309 |
+
|
310 |
+
return results_dict
|
311 |
+
|
312 |
+
|
313 |
+
def eval_linear(
|
314 |
+
*,
|
315 |
+
feature_model,
|
316 |
+
linear_classifiers,
|
317 |
+
train_data_loader,
|
318 |
+
val_data_loader,
|
319 |
+
metrics_file_path,
|
320 |
+
optimizer,
|
321 |
+
scheduler,
|
322 |
+
output_dir,
|
323 |
+
max_iter,
|
324 |
+
checkpoint_period, # In number of iter, creates a new file every period
|
325 |
+
running_checkpoint_period, # Period to update main checkpoint file
|
326 |
+
eval_period,
|
327 |
+
metric_type,
|
328 |
+
training_num_classes,
|
329 |
+
resume=True,
|
330 |
+
classifier_fpath=None,
|
331 |
+
val_class_mapping=None,
|
332 |
+
):
|
333 |
+
checkpointer = Checkpointer(linear_classifiers, output_dir, optimizer=optimizer, scheduler=scheduler)
|
334 |
+
start_iter = checkpointer.resume_or_load(classifier_fpath or "", resume=resume).get("iteration", -1) + 1
|
335 |
+
|
336 |
+
periodic_checkpointer = PeriodicCheckpointer(checkpointer, checkpoint_period, max_iter=max_iter)
|
337 |
+
iteration = start_iter
|
338 |
+
logger.info("Starting training from iteration {}".format(start_iter))
|
339 |
+
metric_logger = MetricLogger(delimiter=" ")
|
340 |
+
header = "Training"
|
341 |
+
|
342 |
+
for data, labels in metric_logger.log_every(
|
343 |
+
train_data_loader,
|
344 |
+
10,
|
345 |
+
header,
|
346 |
+
max_iter,
|
347 |
+
start_iter,
|
348 |
+
):
|
349 |
+
data = data.cuda(non_blocking=True)
|
350 |
+
labels = labels.cuda(non_blocking=True)
|
351 |
+
|
352 |
+
features = feature_model(data)
|
353 |
+
outputs = linear_classifiers(features)
|
354 |
+
|
355 |
+
losses = {f"loss_{k}": nn.CrossEntropyLoss()(v, labels) for k, v in outputs.items()}
|
356 |
+
loss = sum(losses.values())
|
357 |
+
|
358 |
+
# compute the gradients
|
359 |
+
optimizer.zero_grad()
|
360 |
+
loss.backward()
|
361 |
+
|
362 |
+
# step
|
363 |
+
optimizer.step()
|
364 |
+
scheduler.step()
|
365 |
+
|
366 |
+
# log
|
367 |
+
if iteration % 10 == 0:
|
368 |
+
torch.cuda.synchronize()
|
369 |
+
metric_logger.update(loss=loss.item())
|
370 |
+
metric_logger.update(lr=optimizer.param_groups[0]["lr"])
|
371 |
+
print("lr", optimizer.param_groups[0]["lr"])
|
372 |
+
|
373 |
+
if iteration - start_iter > 5:
|
374 |
+
if iteration % running_checkpoint_period == 0:
|
375 |
+
torch.cuda.synchronize()
|
376 |
+
if distributed.is_main_process():
|
377 |
+
logger.info("Checkpointing running_checkpoint")
|
378 |
+
periodic_checkpointer.save("running_checkpoint_linear_eval", iteration=iteration)
|
379 |
+
torch.cuda.synchronize()
|
380 |
+
periodic_checkpointer.step(iteration)
|
381 |
+
|
382 |
+
if eval_period > 0 and (iteration + 1) % eval_period == 0 and iteration != max_iter - 1:
|
383 |
+
_ = evaluate_linear_classifiers(
|
384 |
+
feature_model=feature_model,
|
385 |
+
linear_classifiers=remove_ddp_wrapper(linear_classifiers),
|
386 |
+
data_loader=val_data_loader,
|
387 |
+
metrics_file_path=metrics_file_path,
|
388 |
+
prefixstring=f"ITER: {iteration}",
|
389 |
+
metric_type=metric_type,
|
390 |
+
training_num_classes=training_num_classes,
|
391 |
+
iteration=iteration,
|
392 |
+
class_mapping=val_class_mapping,
|
393 |
+
)
|
394 |
+
torch.cuda.synchronize()
|
395 |
+
|
396 |
+
iteration = iteration + 1
|
397 |
+
|
398 |
+
val_results_dict = evaluate_linear_classifiers(
|
399 |
+
feature_model=feature_model,
|
400 |
+
linear_classifiers=remove_ddp_wrapper(linear_classifiers),
|
401 |
+
data_loader=val_data_loader,
|
402 |
+
metrics_file_path=metrics_file_path,
|
403 |
+
metric_type=metric_type,
|
404 |
+
training_num_classes=training_num_classes,
|
405 |
+
iteration=iteration,
|
406 |
+
class_mapping=val_class_mapping,
|
407 |
+
)
|
408 |
+
return val_results_dict, feature_model, linear_classifiers, iteration
|
409 |
+
|
410 |
+
|
411 |
+
def make_eval_data_loader(test_dataset_str, batch_size, num_workers, metric_type):
|
412 |
+
test_dataset = make_dataset(
|
413 |
+
dataset_str=test_dataset_str,
|
414 |
+
transform=make_classification_eval_transform(),
|
415 |
+
)
|
416 |
+
test_data_loader = make_data_loader(
|
417 |
+
dataset=test_dataset,
|
418 |
+
batch_size=batch_size,
|
419 |
+
num_workers=num_workers,
|
420 |
+
sampler_type=SamplerType.DISTRIBUTED,
|
421 |
+
drop_last=False,
|
422 |
+
shuffle=False,
|
423 |
+
persistent_workers=False,
|
424 |
+
collate_fn=_pad_and_collate if metric_type == MetricType.IMAGENET_REAL_ACCURACY else None,
|
425 |
+
)
|
426 |
+
return test_data_loader
|
427 |
+
|
428 |
+
|
429 |
+
def test_on_datasets(
|
430 |
+
feature_model,
|
431 |
+
linear_classifiers,
|
432 |
+
test_dataset_strs,
|
433 |
+
batch_size,
|
434 |
+
num_workers,
|
435 |
+
test_metric_types,
|
436 |
+
metrics_file_path,
|
437 |
+
training_num_classes,
|
438 |
+
iteration,
|
439 |
+
best_classifier_on_val,
|
440 |
+
prefixstring="",
|
441 |
+
test_class_mappings=[None],
|
442 |
+
):
|
443 |
+
results_dict = {}
|
444 |
+
for test_dataset_str, class_mapping, metric_type in zip(test_dataset_strs, test_class_mappings, test_metric_types):
|
445 |
+
logger.info(f"Testing on {test_dataset_str}")
|
446 |
+
test_data_loader = make_eval_data_loader(test_dataset_str, batch_size, num_workers, metric_type)
|
447 |
+
dataset_results_dict = evaluate_linear_classifiers(
|
448 |
+
feature_model,
|
449 |
+
remove_ddp_wrapper(linear_classifiers),
|
450 |
+
test_data_loader,
|
451 |
+
metric_type,
|
452 |
+
metrics_file_path,
|
453 |
+
training_num_classes,
|
454 |
+
iteration,
|
455 |
+
prefixstring="",
|
456 |
+
class_mapping=class_mapping,
|
457 |
+
best_classifier_on_val=best_classifier_on_val,
|
458 |
+
)
|
459 |
+
results_dict[f"{test_dataset_str}_accuracy"] = 100.0 * dataset_results_dict["best_classifier"]["accuracy"]
|
460 |
+
return results_dict
|
461 |
+
|
462 |
+
|
463 |
+
def run_eval_linear(
|
464 |
+
model,
|
465 |
+
output_dir,
|
466 |
+
train_dataset_str,
|
467 |
+
val_dataset_str,
|
468 |
+
batch_size,
|
469 |
+
epochs,
|
470 |
+
epoch_length,
|
471 |
+
num_workers,
|
472 |
+
save_checkpoint_frequency,
|
473 |
+
eval_period_iterations,
|
474 |
+
learning_rates,
|
475 |
+
autocast_dtype,
|
476 |
+
test_dataset_strs=None,
|
477 |
+
resume=True,
|
478 |
+
classifier_fpath=None,
|
479 |
+
val_class_mapping_fpath=None,
|
480 |
+
test_class_mapping_fpaths=[None],
|
481 |
+
val_metric_type=MetricType.MEAN_ACCURACY,
|
482 |
+
test_metric_types=None,
|
483 |
+
):
|
484 |
+
seed = 0
|
485 |
+
|
486 |
+
if test_dataset_strs is None:
|
487 |
+
test_dataset_strs = [val_dataset_str]
|
488 |
+
if test_metric_types is None:
|
489 |
+
test_metric_types = [val_metric_type] * len(test_dataset_strs)
|
490 |
+
else:
|
491 |
+
assert len(test_metric_types) == len(test_dataset_strs)
|
492 |
+
assert len(test_dataset_strs) == len(test_class_mapping_fpaths)
|
493 |
+
|
494 |
+
train_transform = make_classification_train_transform()
|
495 |
+
train_dataset = make_dataset(
|
496 |
+
dataset_str=train_dataset_str,
|
497 |
+
transform=train_transform,
|
498 |
+
)
|
499 |
+
training_num_classes = len(torch.unique(torch.Tensor(train_dataset.get_targets().astype(int))))
|
500 |
+
sampler_type = SamplerType.SHARDED_INFINITE
|
501 |
+
# sampler_type = SamplerType.INFINITE
|
502 |
+
|
503 |
+
n_last_blocks_list = [1, 4]
|
504 |
+
n_last_blocks = max(n_last_blocks_list)
|
505 |
+
autocast_ctx = partial(torch.cuda.amp.autocast, enabled=True, dtype=autocast_dtype)
|
506 |
+
feature_model = ModelWithIntermediateLayers(model, n_last_blocks, autocast_ctx)
|
507 |
+
sample_output = feature_model(train_dataset[0][0].unsqueeze(0).cuda())
|
508 |
+
|
509 |
+
linear_classifiers, optim_param_groups = setup_linear_classifiers(
|
510 |
+
sample_output,
|
511 |
+
n_last_blocks_list,
|
512 |
+
learning_rates,
|
513 |
+
batch_size,
|
514 |
+
training_num_classes,
|
515 |
+
)
|
516 |
+
|
517 |
+
optimizer = torch.optim.SGD(optim_param_groups, momentum=0.9, weight_decay=0)
|
518 |
+
max_iter = epochs * epoch_length
|
519 |
+
scheduler = torch.optim.lr_scheduler.CosineAnnealingLR(optimizer, max_iter, eta_min=0)
|
520 |
+
checkpointer = Checkpointer(linear_classifiers, output_dir, optimizer=optimizer, scheduler=scheduler)
|
521 |
+
start_iter = checkpointer.resume_or_load(classifier_fpath or "", resume=resume).get("iteration", -1) + 1
|
522 |
+
train_data_loader = make_data_loader(
|
523 |
+
dataset=train_dataset,
|
524 |
+
batch_size=batch_size,
|
525 |
+
num_workers=num_workers,
|
526 |
+
shuffle=True,
|
527 |
+
seed=seed,
|
528 |
+
sampler_type=sampler_type,
|
529 |
+
sampler_advance=start_iter,
|
530 |
+
drop_last=True,
|
531 |
+
persistent_workers=True,
|
532 |
+
)
|
533 |
+
val_data_loader = make_eval_data_loader(val_dataset_str, batch_size, num_workers, val_metric_type)
|
534 |
+
|
535 |
+
checkpoint_period = save_checkpoint_frequency * epoch_length
|
536 |
+
|
537 |
+
if val_class_mapping_fpath is not None:
|
538 |
+
logger.info(f"Using class mapping from {val_class_mapping_fpath}")
|
539 |
+
val_class_mapping = np.load(val_class_mapping_fpath)
|
540 |
+
else:
|
541 |
+
val_class_mapping = None
|
542 |
+
|
543 |
+
test_class_mappings = []
|
544 |
+
for class_mapping_fpath in test_class_mapping_fpaths:
|
545 |
+
if class_mapping_fpath is not None and class_mapping_fpath != "None":
|
546 |
+
logger.info(f"Using class mapping from {class_mapping_fpath}")
|
547 |
+
class_mapping = np.load(class_mapping_fpath)
|
548 |
+
else:
|
549 |
+
class_mapping = None
|
550 |
+
test_class_mappings.append(class_mapping)
|
551 |
+
|
552 |
+
metrics_file_path = os.path.join(output_dir, "results_eval_linear.json")
|
553 |
+
val_results_dict, feature_model, linear_classifiers, iteration = eval_linear(
|
554 |
+
feature_model=feature_model,
|
555 |
+
linear_classifiers=linear_classifiers,
|
556 |
+
train_data_loader=train_data_loader,
|
557 |
+
val_data_loader=val_data_loader,
|
558 |
+
metrics_file_path=metrics_file_path,
|
559 |
+
optimizer=optimizer,
|
560 |
+
scheduler=scheduler,
|
561 |
+
output_dir=output_dir,
|
562 |
+
max_iter=max_iter,
|
563 |
+
checkpoint_period=checkpoint_period,
|
564 |
+
running_checkpoint_period=epoch_length,
|
565 |
+
eval_period=eval_period_iterations,
|
566 |
+
metric_type=val_metric_type,
|
567 |
+
training_num_classes=training_num_classes,
|
568 |
+
resume=resume,
|
569 |
+
val_class_mapping=val_class_mapping,
|
570 |
+
classifier_fpath=classifier_fpath,
|
571 |
+
)
|
572 |
+
results_dict = {}
|
573 |
+
if len(test_dataset_strs) > 1 or test_dataset_strs[0] != val_dataset_str:
|
574 |
+
results_dict = test_on_datasets(
|
575 |
+
feature_model,
|
576 |
+
linear_classifiers,
|
577 |
+
test_dataset_strs,
|
578 |
+
batch_size,
|
579 |
+
0, # num_workers,
|
580 |
+
test_metric_types,
|
581 |
+
metrics_file_path,
|
582 |
+
training_num_classes,
|
583 |
+
iteration,
|
584 |
+
val_results_dict["best_classifier"]["name"],
|
585 |
+
prefixstring="",
|
586 |
+
test_class_mappings=test_class_mappings,
|
587 |
+
)
|
588 |
+
results_dict["best_classifier"] = val_results_dict["best_classifier"]["name"]
|
589 |
+
results_dict[f"{val_dataset_str}_accuracy"] = 100.0 * val_results_dict["best_classifier"]["accuracy"]
|
590 |
+
logger.info("Test Results Dict " + str(results_dict))
|
591 |
+
|
592 |
+
return results_dict
|
593 |
+
|
594 |
+
|
595 |
+
def main(args):
|
596 |
+
model, autocast_dtype = setup_and_build_model(args)
|
597 |
+
run_eval_linear(
|
598 |
+
model=model,
|
599 |
+
output_dir=args.output_dir,
|
600 |
+
train_dataset_str=args.train_dataset_str,
|
601 |
+
val_dataset_str=args.val_dataset_str,
|
602 |
+
test_dataset_strs=args.test_dataset_strs,
|
603 |
+
batch_size=args.batch_size,
|
604 |
+
epochs=args.epochs,
|
605 |
+
epoch_length=args.epoch_length,
|
606 |
+
num_workers=args.num_workers,
|
607 |
+
save_checkpoint_frequency=args.save_checkpoint_frequency,
|
608 |
+
eval_period_iterations=args.eval_period_iterations,
|
609 |
+
learning_rates=args.learning_rates,
|
610 |
+
autocast_dtype=autocast_dtype,
|
611 |
+
resume=not args.no_resume,
|
612 |
+
classifier_fpath=args.classifier_fpath,
|
613 |
+
val_metric_type=args.val_metric_type,
|
614 |
+
test_metric_types=args.test_metric_types,
|
615 |
+
val_class_mapping_fpath=args.val_class_mapping_fpath,
|
616 |
+
test_class_mapping_fpaths=args.test_class_mapping_fpaths,
|
617 |
+
)
|
618 |
+
return 0
|
619 |
+
|
620 |
+
|
621 |
+
if __name__ == "__main__":
|
622 |
+
description = "DINOv2 linear evaluation"
|
623 |
+
args_parser = get_args_parser(description=description)
|
624 |
+
args = args_parser.parse_args()
|
625 |
+
sys.exit(main(args))
|