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Thank you for your work! Where is FocalLoss?
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Hi, thanks for such a great package!
I'm currently training a simple U-net on a binary image classification problem (in this case, identifying water in satellite imagery). I am exploring different …
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When I use FocalLoss in a four-class classification task in an unbalanced dataset, I try to use alpha=0.5, however, it doesn't work and returns "TypeError: Variable data has to be a tensor, but got in…
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I have noticed that in train.py and eval.py you have import a FocalLoss class which is then used as criterion for both training and evaluating.
But I couldn't find relevant definition of this loss …
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您好 想请教一下在哪里调用focalloss呢?
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In my experiments, the the loss of FocalLoss with gamma=0 is much lower than the loss of CrossEntropyLoss. What makes it?
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As mentioned https://github.com/luca-medeiros/lightning-sam/issues/16#issuecomment-1541319552 here, the current focal loss is not consistent with [fvcore one](https://github.com/facebookresearch/fvcor…
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# Focal Loss
## Reference
- [Focal Loss理解](https://www.cnblogs.com/king-lps/p/9497836.html)
- [Focal Loss for Dense Object Detection解读](https://www.jianshu.com/p/204d9ad9507f)
- [paper - Focal…
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You have done a good job. But I have a problem when I try to use the code.
![image](https://user-images.githubusercontent.com/27360803/47615711-8a77a000-daed-11e8-9d85-ffd6bbd3c852.png)
Do you know …