swin ported. ./run.sh to reproduce #1
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jano1906
commented
Dec 21, 2023
| dataset = datasets.ImageFolder(root, transform=transform) | ||
| nb_classes = 1000 | ||
| elif args.data_set == 'HUGGINGFACE': | ||
| from datasets import load_dataset |
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Moved import here to reduce number of dependencies
| help='use scale-aware embeds') | ||
| parser.add_argument('--grid-to-random-ratio', default=0.7, type=float, help='hybrid sampler grid to random ratio') | ||
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| parser.add_argument('--model-type', default='deit', type=str, choices=["deit", "swin"]) |
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Added special flag to decouple arguments of deit from "add on" models like swin (pyramid vit in future) which have vastly different config shapes.
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| elif args.model_type == "swin": | ||
| from swin.config import get_config | ||
| from swin.models import build_model | ||
| class _Args: | ||
| pass | ||
| _args = _Args() | ||
| cfg_path = "swin/swin_base_patch4_window7_224.yaml" | ||
| setattr(_args, "cfg", cfg_path) | ||
| setattr(_args, "opts", []) | ||
| setattr(_args, "local_rank", 0) | ||
| setattr(_args, "data_path", args.data_path) | ||
| config = get_config(_args) | ||
| model = build_model(config) | ||
| else: | ||
| assert False |
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Hardcoded loading of swin vit of size B. We will not need other swin architectures, for simplicity implemented only this one.
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./run.sh achevec 83.5 accuracy on imagenet - reproduces original model
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| assert keeps is None, "Swin transformer works only on merged patches with soft dropout. Set args --hard_dropout=0, --merge_patches=1 to proceed." | ||
| x = self.patch_embed(x) | ||
| if self.ape: | ||
| if coords is not None: | ||
| quantized = self.quantize_coords(coords) | ||
| x = x + self.absolute_pos_embed[[0] ,quantized, :] | ||
| else: | ||
| x = x + self.absolute_pos_embed | ||
| # ========================================== |
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The only modification from original file.
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