|
Canny is free:
the site don't allow me to post links.....
"tomgibara dot com/computer-vision/canny-edge-detector"
Edge are indeed significant change in color.
If for example I have a picture of a zebra, running Canny on the image will also return the edges between every 2 stripe of the zebra ("inside her body").
But I only want her outline shape
|