Abdulaziz Mahmood, Ayad, Saif A. Hussein, and Basim Abas Hassan. “Image Recovery from Presence of Salt-and-Pepper Noise Using Robust Conjugate Gradient Method”. Statistics, Optimization & Information Computing 15, no. 5 (January 13, 2026): 3752–3760. Accessed May 8, 2026. https://iapress.org/index.php/soic/article/view/3213.