to3i
16 linhas
368 B
Python
16 linhas
368 B
Python
import torch
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def one_hot_embedding(labels, num_classes):
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'''Embedding labels to one-hot.
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Args:
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labels: (LongTensor) class labels, sized [N,].
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num_classes: (int) number of classes.
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Returns:
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(tensor) encoded labels, sized [N,#classes].
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'''
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y = torch.eye(num_classes, device=labels.device) # [D,D]
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return y[labels] # [N,D]
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