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We propose a novel data augmentation method for point cloud, Rigid Subset Mix (RSMix). Our model is implemented based on PointNet+++ and DGCNN, which are widely used point-wise deep neural networks.

[arXiv version paper link]

RSMix generates the virtual sample from each part of the two point cloud samples by mixing them without shape distortion. It effectively generalize the deep neural network model and achieve remarkable performance for shape classification.

• RSMix-PointNet++(TensorFlow)

• RSMix-DGCNN(PyTorch)

MIT License

The structure of this codebase is borrowed from PointNet++ and DGCNN-PyTorch.

If you find our work useful in your research, please consider citing:

arXiv:

@article{lee2021regularization,
  title={Regularization Strategy for Point Cloud via Rigidly Mixed Sample},
  author={Lee, Dogyoon and Lee, Jaeha and Lee, Junhyeop and Lee, Hyeongmin and Lee, Minhyeok and Woo, Sungmin and Lee, Sangyoun},
  journal={arXiv preprint arXiv:2102.01929},
  year={2021}
}