@article{jiang2023unsupervised,
    title={Unsupervised contrastive learning with simple transformation for 3D point cloud data},
    author={Jiang, Jincen and Lu, Xuequan and Ouyang, Wanli and Wang, Meili},
    journal={The Visual Computer},
    pages={1--18},
    year={2023},
    publisher={Springer}
}