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Marshall-yao avatar Marshall-yao commented on June 23, 2024 2

@thangvubk
Thanks so much. I misunderstood the post you commented.

I have changed the w with w.detach() in focal_loss.py .Then it runs well.

Then i will test the model to check if it reproduces well.

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thangvubk avatar thangvubk commented on June 23, 2024

I guess that the derivative for weight is not supported in binary_cross_entropy. You can follow this post.

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Marshall-yao avatar Marshall-yao commented on June 23, 2024

OK. Thanks so much.
I will have a try.

Best regards.

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Marshall-yao avatar Marshall-yao commented on June 23, 2024

@thangvubk

After reading the post you recommended, i think it needs the derivative, but i dont know how to implement binary_cross_entropy_with_logits.

Could you give some suggestions ?

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thangvubk avatar thangvubk commented on June 23, 2024

To my knowledge, you dont need the derivative for focal loss weight. So just detach it.

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