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Fix for ImageNet #1149

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Jul 22, 2019
Merged

Fix for ImageNet #1149

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7 changes: 3 additions & 4 deletions torchvision/datasets/imagenet.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ class ImageNet(ImageFolder):
loader (callable, optional): A function to load an image given its path.

Attributes:
classes (list): List of the class names.
classes (list): List of the class name tuples.
class_to_idx (dict): Dict with items (class_name, class_index).
wnids (list): List of the WordNet IDs.
wnid_to_idx (dict): Dict with items (wordnet_id, class_index).
Expand All @@ -57,12 +57,11 @@ def __init__(self, root, split='train', download=False, **kwargs):
super(ImageNet, self).__init__(self.split_folder, **kwargs)
self.root = root

idcs = [idx for _, idx in self.imgs]
self.wnids = self.classes
self.wnid_to_idx = {wnid: idx for idx, wnid in zip(idcs, self.wnids)}
self.wnid_to_idx = self.class_to_idx
self.classes = [wnid_to_classes[wnid] for wnid in self.wnids]
self.class_to_idx = {cls: idx
for clss, idx in zip(self.classes, idcs)
for idx, clss in enumerate(self.classes)
for cls in clss}

def download(self):
Expand Down