[1] Hu K M, Luo S L, Hu H Y. Improved fabric defect detection algorithm using Canny operator[J]. Acta Textile Sinica, 40, 153-158(2019).

[2] Sui C H, Han Y H, Xu D Y et al. Real-time image detection in corneal topography[J]. Acta Optica Sinica, 37, 0611001(2017).

[3] Wang J, Wang H L, Xiang M S et al. Subpixel accuracy central location of circle target based on nonmaximum suppression[J]. Chinese Journal of Scientific Instrument, 33, 1460-1468(2012).

[4] Guo M, Hu L L, Zhao J T. Surface defect detection method of ceramic bowl based on Kirsch and Canny operator[J]. Acta Optica Sinica, 36, 0904001(2016).

[5] Dong Y, Li W C, Liu J Y et al. An improved Canny operator used for aero-engine's blade welding and repairing[J]. Transactions of the China Welding Institution, 39, 37-40,130(2018).

[6] Luo W T, Li Z Y, Li L et al. Automated lane marking identification based on improved Canny edge detection algorithm[J]. Journal of Southwest Jiaotong University, 53, 1253-1260(2018).

[7] Duan H Y, Shao H, Zhang S Z et al. An improved algorithm for image edge detection based on canny operator[J]. Journal of Shanghai Jiao Tong University, 50, 1861-1865(2016).

[8] Huang J L, Chen B Z. An optimal algorithm of edge detection based on canny[J]. Computer Simulation, 27, 252-255(2010).

[9] Li M, Yang H X, Zhang J B et al. Image thresholding segmentation research based on an improved region division of two-dimensional histogram[J]. Journal of Optoelectronics·Laser, 24, 1426-1433(2013).

[10] Liu S L, Niu Z D, Chen Z P. Minimum error thresholding for infrared image under constraint of cross entropy[J]. Infrared and Laser Engineering, 43, 979-984(2014).

[11] Hu X G, Tang H J. An improved NGVF snake model[J]. Journal of Southwest University (Natural Science Edition), 36, 139-145(2014).

[12] Ai L M, Ren Y H. Fast denoising method for medical MR image based on dual-domain filtering and guided image filtering[J]. Journal of Optoelectronics·Laser, 29, 787-796(2018).

[13] Dong J, Yang X, Yu Q F. Fast line segment detection based on edge connecting[J]. Acta Optica Sinica, 33, 0315003(2013).

[14] Wu Y W, Wang Y Q, Yu D J. Adaptive diffusion flow active contours for image segmentation[J]. Computer Vision and Image Understanding, 117, 1421-1435(2013).

[15] Lu S P, Wang Y Q. Gradient vector flow over manifold for active contours. [C]∥Asian Conference on Computer Vision. New York: Springer, 147-156(2010).

[16] Qiu X L. Research on image segmentation algorithms based on improved snake model[D]. Chongqing: Chongqing University of Posts and Telecommunications(2018).

[17] Hu D, Tian X Z. A multi-directions algorithm for edge detection based on fuzzy mathematical morphology[C]∥16th International Conference on Artificial Reality and Telexistence-Workshops (ICAT'06), November 29 - December 1, 2006, Hangzhou, China., 361-364(2006).