A sparse representation method for determining the optimal illumination directions in Photometric Stereo
Argyriou, V., Zafeiriou, S., Villarini, B. and Petrou, M. 2013. A sparse representation method for determining the optimal illumination directions in Photometric Stereo. Signal Processing. 93 (11), pp. 3027-3038. https://doi.org/10.1016/j.sigpro.2013.04.026