2 Detect edges Do basic edge detection. One quick way to find edges is to change mean () to ad () in your filter! Use k = 1. Identify those pixels for which the ad () (in your choice of one of the colors) is high, zay in the top 10% or top 1%: the color is changing quickly here, so it's a candidate for an edge. Change the image by using the value 1 in each color channel, which makes the edge pixels white. . Find edges in the Van Gogh painting, http://www.stat. wisc.edw/"jgillett/327-3/3/ Van_Gogh. png. What feature of the painting is emphasized by edges from the red channel? . Find edges in the Madison photo http://www.stat. wisc.edu/*jgillett/327-3/3/Madison. png. What feature is emphasized