Photometric Stereo with General, Unknown Lighting [J] . Ronen Basri,David Jacobs,Ira Kemelmacher. International Journal of Computer Vision . 2007 (3)
Nonlinearities and Noise Reduction in 3-Source Photometric Stereo [J] . Lyle Noakes,Ryszard Kozera. Journal of Mathematical Imaging and Vision . 2003 (2)
Self-Calibration and Metric Reconstruction Inspite of Varying and Unknown Intrinsic Camera Parameters [J] . Marc Pollefeys,Reinhard Koch,Luc Van Gool. International Journal of Computer Vision . 1999 (1)