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initial commit
Browse files- .gitattributes +1 -0
- .gitignore +2 -0
- README.md +14 -1
- app.py +75 -0
- images/concept_figure.png +3 -0
- images/husky.png +3 -0
- images/image_vis.png +3 -0
- requirements.txt +7 -0
.gitattributes
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*.png filter=lfs diff=lfs merge=lfs -text
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.gitignore
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.venv/
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*.pyc
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README.md
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pinned: false
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---
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-
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pinned: false
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---
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# Token Merging: Your ViT but Faster
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github: https://github.com/facebookresearch/tome
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paper: https://arxiv.org/abs/2210.09461
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# Citation
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```bibtex
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@inproceedings{bolya2022tome,
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title={Token Merging: Your {ViT} but Faster},
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author={Bolya, Daniel and Fu, Cheng-Yang and Dai, Xiaoliang and Zhang, Peizhao and Feichtenhofer, Christoph and Hoffman, Judy},
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booktitle={International Conference on Learning Representations},
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year={2023}
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}
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```
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app.py
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import tome
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import timm
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import gradio as gr
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from PIL import Image
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from torchvision import transforms
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from torchvision.transforms.functional import InterpolationMode
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model_name = "vit_large_patch16_384"
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print("Started Downloading:", model_name)
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model = timm.create_model(model_name, pretrained=True)
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print("Finished Downloading:", model_name)
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tome.patch.timm(model, trace_source=True)
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input_size = model.default_cfg["input_size"][1]
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# Make sure the transform is correct for your model!
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transform_list = [
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transforms.Resize(int((256 / 224) * input_size), interpolation=InterpolationMode.BICUBIC),
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transforms.CenterCrop(input_size)
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]
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# The visualization and model need different transforms
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transform_vis = transforms.Compose(transform_list)
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transform_norm = transforms.Compose(transform_list + [
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transforms.ToTensor(),
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transforms.Normalize(model.default_cfg["mean"], model.default_cfg["std"]),
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])
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def process_image(img, r=25, layers=1):
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img = Image.fromarray(img.astype('uint8'), 'RGB')
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img_vis = transform_vis(img)
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img_norm = transform_norm(img)
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# from the paper:
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# r can take the following forms:
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# - int: A constant number of tokens per layer.
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# - Tuple[int, float]: A pair of r, inflection.
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# Inflection describes there the the reduction / layer should trend
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# upward (+1), downward (-1), or stay constant (0). A value of (r, 0)
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# is as providing a constant r. (r, -1) is what we describe in the paper
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# as "decreasing schedule". Any value between -1 and +1 is accepted.
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# - List[int]: A specific number of tokens per layer. For extreme granularity.
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if layers != 1:
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r = [r] * layers
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print(r)
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model.r = r
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_ = model(img_norm[None, ...])
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source = model._tome_info["source"]
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# print(f"{source.shape[1]} tokens at the end")
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return tome.make_visualization(img_vis, source, patch_size=16, class_token=True)
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iface = gr.Interface(
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fn=process_image,
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inputs=[
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"image",
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gr.inputs.Slider(0, 50, step=1, label="r value (the amount of reduction. See paper for details.)"),
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gr.inputs.Slider(1, 50, step=1, label="layers (1 means r is applied to all layers)"),
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],
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outputs="image",
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examples=[
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["images/husky.png", 25, 1],
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["images/husky.png", 25, 8],
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["images/husky.png", 25, 16],
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["images/husky.png", 25, 22],
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]
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)
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iface.launch()
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images/concept_figure.png
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Git LFS Details
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images/husky.png
ADDED
Git LFS Details
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images/image_vis.png
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Git LFS Details
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requirements.txt
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@@ -0,0 +1,7 @@
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gradio
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timm==0.4.12
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torchvision
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torch
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pillow
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tqdm
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git+https://github.com/facebookresearch/tome
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