4Shan Du, Rabab K Ward. Adaptive region-based image enhancement method for robust face recognition under variable illumination conditions [ J ]. IEEE Transactions on Circuits and System for Video Technology, 2010, 20 (9) : 1165-1175.
5Lin Chih-jen. Face Database [DB/OL]. http://cvc. yale. edu/projects/yalefaces/yalefaces. html, 1997-09-10.
7Zhou S, Aggarwal G, Chellapa R.Appearance character- ization of linear lamebrain object, Generalized photometric stereo and illumination-Invariant face recognition[J].IEEE Trans on PAMI,2007,29(2):230-245.
8Zhang Y, Xiong F, Zhanag G L.A preprocessing algorithm for illimination invariant face recognition[J].Joumal of Image and Graphics,2008,13(9) : 1707-1712.
9Young K P, Seokl P, Joong K K.Retinex method based on adaptive smoothing for illumination based on adaptive smoothing for illumination invariant face recognition[J].Signal Processing, 2008,88 : 1929-1945.
10Aricit D, Ikbas S, AItunbasak Y.A histogram modification framework and its application for image contrast enhance- ment[J].IEEE Trans on Image Processing, 2009, 18(9): 1921-1935.