Ahmed Naqvi, S. F., Niwaria, K., & Chourasia, B. (2019). 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(10), 81–89. https://doi.org/10.26438/ijcse/v7i10.8189