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why regression loss divide by fg_cnt?

Open rimchang opened this issue 8 years ago • 0 comments

rpn_loss_box = F.smooth_l1_loss(rpn_bbox_pred, rpn_bbox_targets, size_average=False) / (fg_cnt + 1e-4) loss_box = F.smooth_l1_loss(bbox_pred, bbox_targets, size_average=False) / (fg_cnt + 1e-4)

I can see regression loss divided by fg_cnt why regression loss divide by fg_cnt? Is there anyone know? explan please

rimchang avatar Sep 18 '17 11:09 rimchang