Dr. J. Samuel Manoharan, Dr. V. Parthasaradi, K. Suganya. “A Spatio-Frequency Domain Anisotropic Filtering for Contrast Enhancement of Histopathological Images”. Annals of the Romanian Society for Cell Biology (May 22, 2021): 4945–4958. Accessed September 16, 2026. http://www.annalsofrscb.ro/index.php/journal/article/view/5982.