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traveller59 / second.pytorch

SECOND for KITTI/NuScenes object detection
MIT License
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sparse_shape = np.array(output_shape[1:4]) + [1, 0, 0] #468

Open xuetaohao1994 opened 3 years ago

xuetaohao1994 commented 3 years ago

Hi Could I know why we need add one in this line ? https://github.com/traveller59/second.pytorch/blob/3aba19c9688274f75ebb5e576f65cfe54773c021/second/pytorch/models/middle.py#L49

Thank you very much.