Add files
Browse files- .gitignore +1 -0
- .gitmodules +6 -0
- app.py +222 -0
- deep-head-pose +1 -0
- face_detection +1 -0
- requirements.txt +6 -0
.gitignore
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images
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.gitmodules
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[submodule "face_detection"]
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path = face_detection
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url = https://github.com/ibug-group/face_detection
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[submodule "deep-head-pose"]
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path = deep-head-pose
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url = https://github.com/natanielruiz/deep-head-pose
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app.py
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#!/usr/bin/env python
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from __future__ import annotations
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import argparse
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import functools
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import os
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import pathlib
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import sys
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import tarfile
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from typing import Callable
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import cv2
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import gradio as gr
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import huggingface_hub
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import numpy as np
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import PIL.Image
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import torch
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import torch.nn as nn
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import torch.nn.functional as F
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import torchvision
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import torchvision.transforms as T
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from scipy.spatial.transform import Rotation
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sys.path.insert(0, 'face_detection')
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sys.path.insert(0, 'deep-head-pose/code')
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from hopenet import Hopenet
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from ibug.face_detection import RetinaFacePredictor
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TITLE = 'natanielruiz/deep-head-pose'
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DESCRIPTION = 'This is a demo for https://github.com/natanielruiz/deep-head-pose.'
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ARTICLE = None
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TOKEN = os.environ['TOKEN']
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def parse_args() -> argparse.Namespace:
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parser = argparse.ArgumentParser()
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parser.add_argument('--device', type=str, default='cpu')
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parser.add_argument('--theme', type=str)
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parser.add_argument('--live', action='store_true')
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parser.add_argument('--share', action='store_true')
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parser.add_argument('--port', type=int)
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parser.add_argument('--disable-queue',
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dest='enable_queue',
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action='store_false')
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parser.add_argument('--allow-flagging', type=str, default='never')
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parser.add_argument('--allow-screenshot', action='store_true')
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return parser.parse_args()
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def load_sample_images() -> list[pathlib.Path]:
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image_dir = pathlib.Path('images')
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if not image_dir.exists():
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image_dir.mkdir()
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dataset_repo = 'hysts/input-images'
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filenames = ['001.tar']
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for name in filenames:
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path = huggingface_hub.hf_hub_download(dataset_repo,
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name,
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repo_type='dataset',
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use_auth_token=TOKEN)
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with tarfile.open(path) as f:
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f.extractall(image_dir.as_posix())
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return sorted(image_dir.rglob('*.jpg'))
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def load_model(model_name: str, device: torch.device) -> nn.Module:
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path = huggingface_hub.hf_hub_download('hysts/Hopenet',
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f'models/{model_name}.pkl',
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use_auth_token=TOKEN)
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state_dict = torch.load(path, map_location='cpu')
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model = Hopenet(torchvision.models.resnet.Bottleneck, [3, 4, 6, 3], 66)
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model.load_state_dict(state_dict)
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model.to(device)
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model.eval()
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return model
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def create_transform() -> Callable:
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transform = T.Compose([
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T.Resize(224),
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T.CenterCrop(224),
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T.ToTensor(),
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T.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),
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])
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return transform
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def crop_face(image: np.ndarray, box: tuple[int, int, int, int]) -> np.ndarray:
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x0, y0, x1, y1 = box
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w = x1 - x0
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h = y1 - y0
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x0 -= 2 * w // 4
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x1 += 2 * w // 4
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y0 -= 3 * h // 4
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y1 += h // 4
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x0 = max(x0, 0)
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y0 = max(y0, 0)
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x1 = min(x1, image.shape[1])
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y1 = min(y1, image.shape[0])
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image = image[y0:y1, x0:x1]
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return image
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@torch.inference_mode()
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def predict(image: np.ndarray, transform: Callable, model: nn.Module,
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device: torch.device) -> np.ndarray:
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indices = torch.arange(66).float().to(device)
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image = PIL.Image.fromarray(image)
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data = transform(image)
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data = data.to(device)
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# the output of the model is a tuple of 3 tensors (yaw, pitch, roll)
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# the shape of each tensor is (1, 66)
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out = model(data[None, ...])
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out = torch.stack(out, dim=1) # shape: (1, 3, 66)
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out = F.softmax(out, dim=2)
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out = (out * indices).sum(dim=2) * 3 - 99
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out = out.cpu().numpy()[0]
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return out
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def draw_axis(image: np.ndarray, pose: np.ndarray, origin: np.ndarray,
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length: int) -> None:
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# (yaw, pitch, roll) -> (roll, yaw, pitch)
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pose = pose[[2, 0, 1]]
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pose *= np.array([1, -1, 1])
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rot = Rotation.from_euler('zyx', pose, degrees=True)
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vectors = rot.as_matrix().T[:, :2] # shape: (3, 2)
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pts = np.round(vectors * length + origin).astype(int)
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cv2.line(image, tuple(origin), tuple(pts[0]), (0, 0, 255), 3)
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cv2.line(image, tuple(origin), tuple(pts[1]), (0, 255, 0), 3)
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cv2.line(image, tuple(origin), tuple(pts[2]), (255, 0, 0), 2)
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def run(image: np.ndarray, model_name: str, face_detector: RetinaFacePredictor,
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models: dict[str, nn.Module], transform: Callable,
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device: torch.device) -> np.ndarray:
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model = models[model_name]
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# RGB -> BGR
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det_faces = face_detector(image[:, :, ::-1], rgb=False)
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res = image[:, :, ::-1].copy()
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for det_face in det_faces:
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box = np.round(det_face[:4]).astype(int)
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# RGB
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face_image = crop_face(image, box.tolist())
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# (yaw, pitch, roll)
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angles = predict(face_image, transform, model, device)
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center = (box[:2] + box[2:]) // 2
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length = (box[3] - box[1]) // 2
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draw_axis(res, angles, center, length)
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return res[:, :, ::-1]
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def main():
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gr.close_all()
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args = parse_args()
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device = torch.device(args.device)
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face_detector = RetinaFacePredictor(
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threshold=0.8,
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device=device,
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model=RetinaFacePredictor.get_model('mobilenet0.25'))
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model_names = [
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'hopenet_alpha1',
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'hopenet_alpha2',
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'hopenet_robust_alpha1',
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]
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models = {name: load_model(name, device) for name in model_names}
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transform = create_transform()
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func = functools.partial(run,
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face_detector=face_detector,
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models=models,
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transform=transform,
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device=device)
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func = functools.update_wrapper(func, run)
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image_paths = load_sample_images()
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examples = [[path.as_posix(), model_names[0]] for path in image_paths]
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gr.Interface(
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func,
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[
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gr.inputs.Image(type='numpy', label='Input'),
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gr.inputs.Radio(model_names,
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type='value',
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default=model_names[0],
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label='Model'),
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],
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gr.outputs.Image(type='numpy', label='Output'),
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examples=examples,
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title=TITLE,
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description=DESCRIPTION,
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article=ARTICLE,
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theme=args.theme,
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allow_screenshot=args.allow_screenshot,
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allow_flagging=args.allow_flagging,
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live=args.live,
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).launch(
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enable_queue=args.enable_queue,
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server_port=args.port,
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share=args.share,
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)
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if __name__ == '__main__':
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main()
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deep-head-pose
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Subproject commit f7bbb9981c2953c2eca67748d6492a64c8243946
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face_detection
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Subproject commit bc1e392b11d731fa20b1397c8ff3faed5e7fc76e
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requirements.txt
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numpy==1.22.3
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opencv-python-headless==4.5.5.64
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Pillow==9.1.0
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scipy==1.8.0
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torch==1.11.0
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torchvision==0.12.0
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