[PPYOLOE] fix loss bug in negative batch (#5774)

c0cb9b02 · shangliang Xu · GitHub · b670dfbe · c0cb9b02
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ppdet/modeling/heads/ppyoloe_head.py ppdet/modeling/heads/ppyoloe_head.py +1 -1

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--- a/ppdet/modeling/heads/ppyoloe_head.py
+++ b/ppdet/modeling/heads/ppyoloe_head.py
@@ -293,7 +293,7 @@ class PPYOLOEHead(nn.Layer):
        else:
            loss_l1 = paddle.zeros([1])
            loss_iou = paddle.zeros([1])
-            loss_dfl = paddle.zeros([1])
+            loss_dfl = pred_dist.sum() * 0.
        return loss_l1, loss_iou, loss_dfl
    def get_loss(self, head_outs, gt_meta):