[1] Cai Yan, Ye Lianxiang, Sun Dawei, et al. Non-contact measurement for outside screw based on a modified sub-pixel edge detection algorithm of Zernike moments[J]. Journal of Shanghai Jiaotong University, 2014, 48(10):1468-1472. (in Chinese)
[2] Ye J, Fu G, Poudel U P. High-accuracy edge detection with blurred edge model[J]. Image and Vision Computing, 2005, 23: 453-467.
[3] Xu Zhongyu, Ning Chuang. Sub-pixel edge detection based on orthogonal polynomial fitting[J]. Journal of Convergence Information Technology, 2013, 8(4): 280-286.
[4] Wang Xijun. Computation and comparison of laser speckle with sub-pixel measurement methods [J]. Chinese Optics, 2012, 6(5): 652-657. (in Chinese)
[6] Fei Hao, Shi Jinfei, Zhang Zhisheng, et al. Canny edge detection enhancement by general auto-regression model and bi-dimensional maximum conditional entropy[J]. International Journal for Light and Electron Optics, 2014, 125(15): 3946-3953.
[7] Xu Peng, Wang Jianye, Wang Yanru. Calculation exact center coordinate of a target circle in camera calibration[J]. Infrared and Laser Engineering, 2011, 40(7): 1342-1346. (in Chinese)
[8] Jung Youeyun, Lee Dongjin, Bang Hyochoong. Study on ellipse fitting problem for vision-based autonomous landing of an UAV[C]//14th International Conference on Control, Automation and Systems (ICCAS), 2014: 1631-1634.
[10] Wu Xiao. Positioning system of LED chips based on ellipse[J]. Infrared and Laser Engineering, 2013, 42(S1): 98-102. (in Chinese)