Jingjing Zhao
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Jingjing Zhao
Hello, I apply function `diff_iou_rotated_3d` from mmcv.ops to implement 3D IoU loss. However, the computed IoU can be larger than 1 in some circumstances, which is wrong by definition. But...
Hi, thanks for your nice work! I'm confuse by initialization of attention weights. They are all set to zero. https://github.com/fundamentalvision/BEVFormer/blob/66b65f3a1f58caf0507cb2a971b9c0e7f842376c/projects/mmdet3d_plugin/bevformer/modules/temporal_self_attention.py#L123 Why are the weights set to zero? Won't gradient vanishing...