Hussein , Layla, and Amel H. Abbas. “Comparison of Various Gradient Types for Biological Image With Morphological Operations”. Iraqi Journal of Science 57, no. 2A (June 24, 2022): 1021–1030. Accessed June 24, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7484.