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
Edge detection in Image Processing - YouTube
Edge detection using Prewitt, Scharr and Sobel Operator - GeeksforGeeks
Gradient Operator - an overview | ScienceDirect Topics