Anari, Vahid, Farbod Razzazi, and Rasoul Amirfattahi. “A Patch Ordering Approach to Single Image Super-Resolution Problem”. Majlesi Journal of Electrical Engineering 13, no. 4 (December 1, 2019): 123-134. Accessed June 4, 2020. http://mjee.org/index/index.php/ee/article/view/3257.