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yuxumin / PoinTr

[ICCV 2021 Oral] PoinTr: Diverse Point Cloud Completion with Geometry-Aware Transformers

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The question about the code of GRNet in this repository.

duzhenjiang113 opened this issue · comments

commented

Thanks for your brilliant open-source work. And I have a question about the GRNet. For the input partial point cloud, you multiply by 0.5 in your code. May I ask why you chose to do this? Will this greatly influence the results?
Looking forward to your reply! :-)

commented

Point clouds in PCN are in [-0.5, 0.5] while point clouds in ShapeNet-55/34 lay in [-1, 1].
if we do not multiply 0.5 on coordinates, gridding operation will raise a error.

commented

Point clouds in PCN are in [-0.5, 0.5] while point clouds in ShapeNet-55/34 lay in [-1, 1]. if we do not multiply 0.5 on coordinates, gridding operation will raise a error.

Ok， thanks for your reply!!!