Kadambavanam, K., and T. Senthilnathan. “Fast Fuzzy C-Means Algorithm Incorporating Convex Combination of Bilateral Filter With Contrast Limited Adaptive Histogram Equalization”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 28, no. 1, June 2016, pp. 146-65, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/5804.