Edge detection on noisy images using Prewitt operator and fractional order differentiation | SpringerLink
An Implementation of Sobel Edge Detection - Rhea
Shripad Bhatlawande on Twitter: "Prewitt and Sobel Operators use Derivative Masks Both Perform Smoothing in one Direction with Edge Detection in Perpendicular Direction #Edge_Detection https://t.co/OiYJas9kxq" / Twitter