[1] [1] Zhang Haiyang, Chen Guolong, Li Xianwei. Research of head detection based on curvature scale space algorithm[J]. Computer Engineering and Applications, 2012, 48(14): 195-197.

[2] [2] Zhao Junwei, Hou Qingtao, Li Jinping, et al.. Head detection algorithm based on mathematical morphology and HSI color space[J]. Journal of Shandong University (Engineering Science), 2013, 43(2): 5-10.

[3] [3] He Yangming, Dai Shuguang. Application of clustering and technology[J]. Computer Engineering and Application, 2009, 45(31): 145-146.

[4] [4] Zhang Xuping, Wang Jiaqi, Zhang Yixin, et al.. Large-scale three-dimensional stereo vision geometric measurement system[J]. Acta Optica Sinica, 2012, 32(3): 0315002.

[5] [5] Gray Bradski, Adrian Kaebler. Learning OpenCV[M]. Yu Shiqi, Liu Ruizhen, Transl. Beijing: Tsinghua University Press, 2009. 452-455.

[6] [6] He Bingwei, Lin Dongyi, Chen Zhipeng, et al.. Research of eliminating occlusion in visual construction of three-dimensional objects[J]. Chinese J Lasers, 2011, 38(7): 0708001.

[7] [7] Hou Junjie, Wei Xinguo, Sun Junhua. Calibration method for binocular vision based on matching synthetic images of concentric circles[J]. Acta Optica Sinica, 2012, 32(3): 0315003.

[8] [8] Yu Naigong, Qin Yonggang, Ruan Xiaogang. Review of stereo correspondence algorithms[J]. Computer Measurement & Control, 2009, 17(5): 817-819.

[9] [9] Zeng Jiguo, Yu Guohe, Xie Xusheng, et al.. Fast and robust stereo matching method[J]. Computer Engineering and Applications, 2013, 49(14): 196-199.

[10] [10] Tarek Yahiaoui, Cyril Meurie, Louahdi Khoudour, et al.. A People Counting System Based on Dense and Close Stereovision[M]// Elmoataz A, Lezoray O, Nouboud F, et al. Image and Signal Processing. Berlin: Spriger Berlin Heidelberg, 2008, 5099: 59-66.

[11] [11] Zhen Jiye, Yan Wantao. A moving target detection algorithm based on dynamic background updating[J]. Computer Knowledge and Technology, 2010, 6(13): 3499-3500.

[12] [12] Yuan Weicai, Xu Xiangming. Effective algorithm of background extraction and updating[J]. Computer Engineering and Application, 2010, 46(4): 191-192.