Kaur, R., M. Chawla, N. K. Khiva, and M. D. Ansari. “On Contrast Enhancement Techniques for Medical Images With Edge Detection: A Comparative Analysis”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 3-6, Nov. 2017, pp. 35-40, https://jtec.utem.edu.my/jtec/article/view/3042.