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Focal loss is different from the paper. #1

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EthanZhangYi opened this issue Aug 14, 2017 · 1 comment

EthanZhangYi commented Aug 14, 2017

Hi,

pytorch_workplace/focalloss/loss.py

Line 33 in 822b6d2

loss = loss * (1 - log_input) ** self.gamma # focal loss

Here seems should be (1 - exp(log_input)), not (1 - log_input)

Owner

DingKe commented Aug 14, 2017

Thanks for pointing out. Have corrected.

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