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12 lines
379 B
Python
12 lines
379 B
Python
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def alignment_diagonal_score(alignments):
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"""
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Compute how diagonal alignment predictions are. It is useful
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to measure the alignment consistency of a model
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Args:
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alignments (torch.Tensor): batch of alignments.
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Shape:
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alignments : batch x decoder_steps x encoder_steps
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"""
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return alignments.max(dim=1)[0].mean(dim=1).mean(dim=0).item()
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