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different loss functions for loss_xy and loss_wh #71

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love2learn-7179 opened this issue May 26, 2020 · 1 comment
Open

different loss functions for loss_xy and loss_wh #71

love2learn-7179 opened this issue May 26, 2020 · 1 comment

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@love2learn-7179
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love2learn-7179 commented May 26, 2020 •
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May I ask why you use F.binary_cross_entropy for loss_xy while you use F.mse_loss for loss_wh?
And, (1) why did you divide by 2 for loss_wh? (you didn't divide by 2 for loss_xy)
(2) I thought that yolov4 uses CIoU loss for bbox regression (x, y, w, h), no?

Thank you for your help.
@Sooryakiran
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Hi. Same doubt here. Please let me know if you have any extra information regarding the same.

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@Sooryakiran @love2learn-7179