@article{zhang2021progressive,
  title={Progressive point cloud upsampling via differentiable rendering},
  author={Zhang, Pingping and Wang, Xu and Ma, Lin and Wang, Shiqi and Kwong, Sam and Jiang, Jianmin},
  journal={IEEE Transactions on Circuits and Systems for Video Technology},
  volume={31},
  number={12},
  pages={4673--4685},
  year={2021},
  publisher={IEEE}
}