[1] [1] Guo Yin, Liu Changjie, Zhu Jigui, et al.. Research on measurement and calibration of dynamic posture of high-speed train [J]. Journal of Optoelectronics·Laser, 2013, 34(1): 112-118.

[2] [2] G Johansson. Visual motion perception [J]. Sci Am, 1975, 232(6): 76-88.

[3] [3] F Zhu, S Qin. A detection algorithm for maneuvering IR point target and its performance evaluation [C]. 2006 IEEE/ASME International Conference on Mechatronics and Embedded Systems and Applications, 2006: 1-5.

[4] [4] N Kumar, N Kunju, Amod Kumar, et al.. Active marker based kinematic and spatio- temporal gait measurement system using Labview vision [J]. Journal of scientific & Industrial Resarch, 2010, 69: 600-605.

[5] [5] Jiang Jie, Miao Zhun, Zhang Guangjun. Dynamic altitude angle measurement system based on dot-structure light [J]. Infrared and Laser Engineering, 2010, 39(3): 532-536.

[6] [6] D Ye, X Yu, G Chen, et al.. Real- time preprocessing for vision measurement system on high- speed cooperative target [C]. International Conference on Mechatronics and Control, 2014.

[7] [7] Yu Xiaoyu, Guo Yubo, Chen Gang, et al.. Real-time global search for point targets in vision measurement[J]. Optics and Precision Engineering, 2014, 22(10): 2796-2805.

[8] [8] C T Johnston, D G Bailey. FPGA implementation of a single pass connected components algorithm [C]. Delta 2008: Fourth IEEE International Symposium on Electronic Design, Test and Applications, 2008, 228-231.

[9] [9] N Ma, D G Bailey, C T Johnston. Optimised single pass connected components analysis [J]. Proceedings of the 2008 International Conference on Field-Programmable Technology, 2008, 185-192.

[10] [10] D G Bailey, C T Johnston, N Ma, et al.. Connected components analysis of streamed images [C]. Proceedings of the 18th International Conference on Field Programmable and Logic Applications, 2008, 679-682.

[11] [11] A W Malik, B Thornberg, M Imran, et al.. Hardware architecture for real-time computation of image component feature descriptors on a FPGA [J]. International Journal of Distributed Sensor Networks, 2014, 815378.

[12] [12] D K Kim, D R Lee, T C Pham, et al.. Real-time component labeling and boundary tracing system based on FPGA [C]. 2007 IEEE International Conference on Robotics and Biomimetics, 2007, 189-194.

[13] [13] Zhang Guangjun. Machine Vision [M]. Beijing: Science Press, 2005. 99-102.

[14] [14] Liu Bo, Ye Dong, Chen Gang, et al.. Calibration and experiment of vision measurement accuracy for motion of rocket nozzle [J]. Optics and Precision Engineering. 2010, 18(11): 2513-2520.