@article{Sun2021DiffLens,
  title={End-to-End Complex Lens Design with Differentiable Ray Tracing},
  author={Sun, Qilin and Wang, Congli and Qiang, Fu and Xiong, Dun and Wolfgang, Heidrich},
  journal={ACM Transactions on Graphics (TOG)},
  volume={40},
  number={4},
  year={2021},
  publisher={ACM}
}