Traditional edge detection methods [1-3] such as Krisch algorithm, Sobel algorithm, Prewitt algorithm, Canny algorithm, etc., all use the first or second order derivative change law of the edge neighborhood to detect the image gray level
Traditional edge detection methods, such as Krisch algorithm, Sobel algorithm, Prewitt algorithm, Canny algorithm, etc., detect image grayscale by using the law of first- or second-order directional guide changes in edge neighborhoods
Traditional edge detection methods [1-3], such as krisch algorithm, Sobel algorithm, Prewitt algorithm, Canny algorithm and so on, use the first or second-order directional derivative change law of edge neighborhood to detect image gray<br>