5Sahoo P K, Wong A K C, Chen Y C. Survey of thresholding techniques [ J ]. Computer Graphics, Vision and Image Processing. 1988,41(3) : 235 -260.
6Hyunchul Kang, et al. Adaptive local binarization method for recognition of vehicle license plates, combinatorial image, analysis [ A]. 10th International Workshop, IWCIA201M Ec. Proceedings ,2004 ,4:646 - 655.
7JORGE S. Maroues. Automatic Tracking Of Muhiph Ptde- strians With Group For Mation And Occlusions [ J ]. IEEE PAMI,2010(31 ) :210-227.
8HOFFMAN R,JAIN A K. Segmentation and classification of range images[J]. Pattern Analysis and Machine Intel- ligence, IEEE Transactions on, 1987 ( 5 ) : 608-620.
9LEIBE B, SEEMANN E, SCHIELE B. Pedestrian detection in crowded scenes [ C ]//2005 IEEE Computer Society Computer Vision and Pattern Recognition. San Diego, USA : IEEE Press ,2005:878-885.