Qi Bing, Tang Liangrui, Zhao Chunhui. Algorithm of distilling information of hydrophobic image of insulators[J]. Transactions of China Electro-technical Society, 2008, 23(6)：19-24.
Ning Qiao, Zhu Zhiqiang, Lu Xutao, et al. Determine the surface tension and contact angle of drop by image processing method[J]. Chinese Journal of Space Science, 2008, 28(1)：74-75.
[5]
Stalder A F, Kulik G, Sage D, et al. A snake-based approach to accurate determination of both contact points and contact angles[J]. Colloid Surface A：Physicochem. Eng, 2006, 286(1-3)：92-103.
[6]
Kass M, Witkin A, Terzopoulos D. Snakes: active contour models[J]. International Journal of Computer Vision, 1995, 1(4)：321-331.
[7]
Osher S, Sethian J A. Fronts propagating with curvature dependent speed: algorithms based on Hamilton-Jacobi formulations[J]. Journal of Computational Physics, 1988, 79(1)：12-49.
Tang Liangrui, Zhang Jing, Sun Yi. Estimating the level of hydrophobicity of composite insulators based on information measures and hausdorff distance[J]. Transactions of China Electrotechnical Society, 2009, 24(1)：35-41.
Tian Jianhua, Yuan Jianzhou. Introduction of com- posite insulator surface hydrophobicity classification method[J]. North China Electric Power, 1998(5): 33-35.
[12]
Bateni A, Susnar S S, Amirfazli A, et al. A high- accuracy polynomial fitting approach to determine contact angles[J]. Colloids and Surfaces A: Physicochem. Eng, 2003, 219(1-3)：215-231.
