@article{sun2021quadratic, title={Quadratic Terms Based Point-to-surface 3D Representation for Deep Learning of Point Cloud}, author={Sun, Tiecheng and Liu, Guanghui and Li, Ru and Liu, Shuaicheng and Zhu, Shuyuan and Zeng, Bing}, journal={IEEE Transactions on Circuits and Systems for Video Technology}, volume={32}, number={5}, pages={2705–2718}, year={2021} }