AHMED NAQVI, Syed Faraz; NIWARIA, Kamal; CHOURASIA, Bharti. An Edge Based Technique for Spatially Varying Defocus Blur Estimation of Image using Gradient Magnitudes - Simulation & Result. International Journal of Computer Sciences and Engineering, [S. l.], v. 7, n. 10, p. 81–89, 2019. DOI: 10.26438/ijcse/v7i10.8189. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/7129. Acesso em: 2 feb. 2026.