https://docs.opencv.org/3.4/d2/d2c/tutorial_sobel_derivatives.html OpenCV: Sobel Derivatives Prev Tutorial: Adding borders to your images Next Tutorial: Laplace Operator Goal In this tutorial you will learn how to: Use the OpenCV function Sobel() to calculate the derivatives from an image. Use the OpenCV function Scharr() to calculate a more accur docs.opencv.org 가장자리는 급격하게 값이 변하는 곳으로 표현할 수 있다. ..
