@article{cho2018semi,
  title={Semi-calibrated photometric stereo},
  author={Cho, Donghyeon and Matsushita, Yasuyuki and Tai, Yu-Wing and Kweon, In So},
  journal={IEEE transactions on pattern analysis and machine intelligence},
  volume={42},
  number={1},
  pages={232--245},
  year={2018},
  publisher={IEEE}
}