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I think there is a wrong in FocalLoss #1

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taylover-pei opened this issue Aug 13, 2019 · 2 comments
Open

I think there is a wrong in FocalLoss #1

taylover-pei opened this issue Aug 13, 2019 · 2 comments

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@taylover-pei
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The following code:
image
logpt is a scale not a tensor, right?
If the batchsize is greater than 1, I think it is wrong, am I right?
@ghost
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ghost commented Aug 29, 2019

I also think this implementation is wrong for the same reason taylover said

@olix86 olix86 mentioned this issue Oct 4, 2019
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@PeterPanUnderhill
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If you set reduction as 'none', then it returns a tensor

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@PeterPanUnderhill @taylover-pei