Megvii-BaseDetection / Megvii-BaseDetection/BEVDepth
mats_dict['ida_mats'][:, 0, :, 0, 0]这里用了2次[0,0]，是不是应该还有个是[1,1]
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Description
https://github.com/Megvii-BaseDetection/BEVDepth/blob/d78c7b58b10b9ada940462ba83ab24d99cae5833/bevdepth/layers/backbones/fusion_lss_fpn.py#L62
这里两个都是[0,0]有问题吗？
aug_scale = torch.sqrt(mats_dict['ida_mats'][:, 0, :, 0, 0]**2 +
mats_dict['ida_mats'][:, 0, :, 0,
0]**2).reshape(-1, 1)
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Read bevdepth/layers/backbones/fusion_lss_fpn.py around line 62 and trace how ida_mats is constructed and used. Confirm whether the repeated [0, 0] selects the intended matrix components; the issue is done when the indexing is verified and corrected if necessary.
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