@inproceedings{kon-xu-teo-06-uncal,
  author = {Hui Kong and Pengfei Xu and Eam Khwang Teoh},
  title = {Binocular Uncalibrated Photometric Stereo},
  booktitle = {Proceedings of the 3rd International Symposium on Visual Computing (ISVC06)},
  series = {Lecture Notes in Computer Science},
  number = {4291},
  pages = {283--292},
  year = 2006
}