[1] [1] Wang Y,Yuan J H,Chang S J,et al. Gesture labeling based on gaze direction recognition for human-machine interaction. Optical Engineering,2002,41 (8): 1840～1844

[2] [2] Li S M,Zhang Y X,Chang S J,et al. Journal of Optoelectronics · laser,2004,15(10):1229～1233

[3] [3] Zhou J N,Cao J Z,Liu B,et al. Acta Photonica Sinica,2005,34(1):142～145

[4] [4] Wang P,Su X Q,Liu Y X. Acta Photonica Sinica,2004,33(3):378～381

[5] [5] Hu Y F,Liu B,Li F,et al. Acta Photonica Sinica,2005,34(1):146～149

[6] [6] Cheng H D,Jiang X H,Sun Y,et al. Color image segmentation: advances and prospects. Pattern Recognition,2001,34(10) :2259～2281

[7] [7] Yuan J H,Xu Z Z,Li S M,et al. Novel approach for region merging and image segmentation for humancomputer interaction. Optical Engineering,2003,42(8):1～4

[8] [8] Haykin S. Neural Networks: A Comprehensive Foundation (second edition). Beijing: the Press of Tsinghua Universitv,2001.318～350

[9] [9] Haykin S. The principle of Neural Networks. Translated by Ye SW,Shi Z Z. The press of mechanism industry,2004.229～252