[1] Tong W G. Research on methods for recognition and status detection of power line based on aerial images[D]. Beijing: North China Electric Power University, 65-73(2011).

[2] Xu X T, Li B S, Cui K B et al. The application of improved PCNN in infrared insulator image segmentation[J]. Insulators and Surge Arresters, 24-29(2013).

[3] Huang X B, Liu X H, Zhang Y et al. Classification recognition method of insulator in aerial image based on the red-blue difference and developed K-means algorithm[J]. High Voltage Engineering, 44, 1528-1534(2018).

[4] Cui K B. Research on the key technologies in insulator defect detection based on image[D]. Beijing: North China Electric Power University, 34-49(2016).

[5] Zhang J J, Han J, Zhao Y B et al. Insulator recognition and defects detection based on shape perceptual[J]. Journal of Image and Graphics, 19, 1194-1201(2014).

[6] Zhang J Y, Huang J D. An image segmentation algorithm research based on optimized PCNN. [C]//2018 11th International Conference on Intelligent Computation Technology and Automation (ICICTA), September 22-23, 2018, Changsha, China. New York: IEEE, 86-90(2018).

[7] He F L, Guo Y C, Gao C. Improved PCNN method for human target infrared image segmentation under complex environments[J]. Acta Optica Sinica, 37, 0215003(2017).

[8] Gu X D. Feature extraction using unit-linking pulse coupled neural network and its applications[J]. Neural Processing Letters, 27, 25-41(2008). http://dl.acm.org/citation.cfm?id=1331355

[9] Ma Y D, Li L, Zhan K et al[M]. Pulse coupled neural network and digital image processing, 8-22(2008).

[10] Su J, Li B, Wang Y Z. Infrared image enhancement based on PCNN segmentation and fuzzy set theory[J]. Acta Optica Sinica, 36, 0910001(2016).

[11] Lin L B, Li J X, Luo K et al. A modified pulse coupled neural network model for nut image segmentation[J]. Journal of Fujian Normal University(Natural Science Edition), 34, 19-23(2018).

[12] Xu C, Ping X L. Line detection algorithm based on improved random hough transformation[J]. Laser & Optoelectronics Progress, 56, 051001(2019).

[13] Sahoo P K, Soltani S. Wong A K C. A survey of thresholding techniques[J]. Computer Vision, Graphics, and Image Processing, 41, 233-260(1988).