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fixed remapping of the labels for usps 7-9 #96

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Merged
sot176 merged 1 commit into from
Feb 23, 2025
Merged

fixed remapping of the labels for usps 7-9 #96

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5 changes: 4 additions & 1 deletion CollaborativeCoding/dataloaders/uspsh5_7_9.py
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,9 @@ def __init__(
mask = np.isin(labels, [7, 8, 9])
self.images = images[mask]
self.labels = labels[mask]
# map labels from (7,9) to (0,2) for CE loss
self.label_shift = lambda x: x - 7
self.label_restore = lambda x: x + 7

def __len__(self):
"""
Expand Down Expand Up @@ -95,7 +98,7 @@ def __getitem__(self, id):
# Convert to PIL Image (USPS images are typically grayscale 16x16)
image = Image.fromarray(self.images[id].astype(np.uint8), mode="L")
label = int(self.labels[id]) # Convert label to integer

label = self.label_shift(label)
if self.transform:
image = self.transform(image)

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