A. D. Al-Zuky and H. J. M. Al-Taa’y, “Estimation Optimal Threshold Value for Image Edge Detection”, IHJPAS, vol. 22, no. 2, Aug. 2017, Accessed: Apr. 03, 2025. [Online]. Available: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1228