Ahmed Naqvi, Syed Faraz, Kamal Niwaria, and Bharti Chourasia. “An Edge Based Technique for Spatially Varying Defocus Blur Estimation of Image Using Gradient Magnitudes - Simulation & Result”. International Journal of Computer Sciences and Engineering 7, no. 10 (October 31, 2019): 81–89. Accessed February 1, 2026. https://ijcse.isroset.org/index.php/j/article/view/7129.