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Is perform_sinkhorn only applied for 2D tensor? #5

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daifeng2016 opened this issue Nov 7, 2021 · 1 comment
Open

Is perform_sinkhorn only applied for 2D tensor? #5

daifeng2016 opened this issue Nov 7, 2021 · 1 comment

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@daifeng2016
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Hi, when reading the code, I found that "torch.mm(K.t(),a)" is used in perform_sinkhorn function. Does that mean only 2D correlation tensor can be processed per time. But in most cases, corretation tensor is 3D or 4D tensor.
@csyanbin
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Yes, as far as I know, the original Sinkhorn only supports 2D correlation calculation.

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@csyanbin @daifeng2016