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hkust-vgd / scanobjectnn

Code for Revisiting Point Cloud Classification: A New Benchmark Dataset and Classification Model on Real-World Data, ICCV 2019
MIT License
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Rotation axis #33

Closed guochengqian closed 2 years ago

guochengqian commented 2 years ago

hi @mikacuy, thanks for releasing the code. May I ask you why rotation along y-axis is preferred instead of z or x? any clue why it works better? Is z aixs the gravity direction?

https://github.com/hkust-vgd/scanobjectnn/blob/fe60aeade9ceb8882bc3f1bc40612e65469d7e77/pointnet2/utils/provider.py#L47

guochengqian commented 2 years ago

okay, as I visualized, seems y is the gravity axis.