Open wxq-888 opened 3 years ago
请问作者,在计算Diou梯度的时候(box.c文件中) if (iou_loss == DIOU) { if (C > 0) { p_dx += (2 (truth.x - pred.x)C - (2 CwdCw_dx + 2 ChdCh_dx)S) / (C C); p_dy += (2 (truth.y - pred.y)C - (2 CwdCw_dy + 2 ChdCh_dy)S) / (C C); p_dw += (2 CwdCw_dw + 2 ChdCh_dw)S / (C C); p_dh += (2 CwdCw_dh + 2 ChdCh_dh)S / (C C); } p_dx与p_dy部分- (2 CwdCw_dx + 2 ChdCh_dx)S和 - (2 CwdCw_dy + 2 ChdCh_dy)S 这里的负号为什么不是正号呢?
对Diou的附加项:-S / C求偏导时,p_dx的后半部分 -(2 CwdCw_dx + 2 ChdCh_dx)S与p_dw 的后半部分(2 CwdCw_dw + 2 ChdCh_dw)S,符号不应该本是一样嘛/(ㄒoㄒ)/ ~~
the code in box.c :
Should it be modified:
????