Introduction - If you have any usage issues, please Google them yourself
Introduction of four practical edge detection of images extracted from the source code: 1.LoG marginal operator method (parameters to be taken to run) 2.Prewitte marginal operator (parameters to be taken to run) 3.Roberts edge Operator ( parameters to be taken to run) 4.Sobel Edge Operator (parameters to be taken to run). Hope useful for everyone.