Olatubosun, O., I. G. Babatunde, O. S. Adebayo, and A. T. Taiwo. “Hough Transform and Chi-Square-Based Iris Recognition”. International Journal of Computer (IJC), vol. 21, no. 1, Apr. 2016, pp. 1-15, https://ijcjournal.org/index.php/InternationalJournalOfComputer/article/view/552.