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Fix CutMix and MixUp arguments in transforms.py #8287

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merged 2 commits into from
Mar 4, 2024
Merged

Fix CutMix and MixUp arguments in transforms.py #8287

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66ce941
Fix CutMix and MixUp arguments in transforms.py
zhulinchng Mar 4, 2024
45cd8b1
update get_mixup_cutmix parameter to num_classes
zhulinchng Mar 4, 2024
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2 changes: 1 addition & 1 deletion references/classification/train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,7 @@ def main(args):

num_classes = len(dataset.classes)
mixup_cutmix = get_mixup_cutmix(
mixup_alpha=args.mixup_alpha, cutmix_alpha=args.cutmix_alpha, num_categories=num_classes, use_v2=args.use_v2
mixup_alpha=args.mixup_alpha, cutmix_alpha=args.cutmix_alpha, num_classes=num_classes, use_v2=args.use_v2
)
if mixup_cutmix is not None:

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10 changes: 5 additions & 5 deletions references/classification/transforms.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,21 +7,21 @@
from torchvision.transforms import functional as F


def get_mixup_cutmix(*, mixup_alpha, cutmix_alpha, num_categories, use_v2):
def get_mixup_cutmix(*, mixup_alpha, cutmix_alpha, num_classes, use_v2):

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Function get_mixup_cutmix: num_categories was removed

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Function get_mixup_cutmix: num_classes was added and is now required
transforms_module = get_module(use_v2)

mixup_cutmix = []
if mixup_alpha > 0:
mixup_cutmix.append(
transforms_module.MixUp(alpha=mixup_alpha, num_categories=num_categories)
transforms_module.MixUp(alpha=mixup_alpha, num_classes=num_classes)
if use_v2
else RandomMixUp(num_classes=num_categories, p=1.0, alpha=mixup_alpha)
else RandomMixUp(num_classes=num_classes, p=1.0, alpha=mixup_alpha)
)
if cutmix_alpha > 0:
mixup_cutmix.append(
transforms_module.CutMix(alpha=mixup_alpha, num_categories=num_categories)
transforms_module.CutMix(alpha=mixup_alpha, num_classes=num_classes)
if use_v2
else RandomCutMix(num_classes=num_categories, p=1.0, alpha=mixup_alpha)
else RandomCutMix(num_classes=num_classes, p=1.0, alpha=mixup_alpha)
)
if not mixup_cutmix:
return None
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