1. J. Wei, J. Liu, Q. Fang, W. Lu, J. Dang and K. Honda, A Novel Method for Constructing 3D Geometric Articulatory Models, International Journal of Signal Processing Systems, DOI 10.1007/s11265-015-1002-8, 2015
2. B. K. P. Horn, Shape from Shading: A Method for Obtaining the Shape of a Smooth Opaque Object from One View, PhD thesis, Department of Electrical Engineering MIT Cambridge,(1970).
3. I.H. Lee, M. T. Mahmood, S. Shim and T.S. Choi, Optimizing image focus for 3D shape recovery through genetic algorithm, Multimedia Tools and Applications, vol:71, pp:247--262, (2014).
4. A. Aissaoui,.J. Martinet and Ch. Djeraba, Rapid and accurate face depth estimation in passive stereo systems, Multimedia Tools and Applications, vol:72, pp:2413--2438, (2014).
5. Y. Sun, J. Dong, M. Jian and L. Qi, Fast 3D face reconstruction based on uncalibrated photometric stereo, Multimedia Tools and Applications, DOI:10.1007/s11042-013-1791-3, (2013).