@inproceedings{photometricstereowithsmallangular,
  title = {Photometric Stereo With Small Angular Variations},
  author = {Jian Wang and Yasuyuki Matsushita and Boxin Shi and Aswin C. Sankaranarayanan},
  year = {2015},
  booktitle = {ICCV 2015 12},
  url = {http://openaccess.thecvf.com/content_iccv_2015/html/Wang_Photometric_Stereo_With_ICCV_2015_paper.html},
}