import cv2
img = cv2.imread('../data/ren.png')
laplacian = cv2.Laplacian(img, cv2.CV_64F)
laplacian = cv2.convertScaleAbs(laplacian)
cv2.imshow('laplacian', laplacian)
cv2.waitKey()
cv2.destroyAllWindows()
cv2.imwrite('../data/laplacian.jpg', laplacian)
原图
效果图
从效果上看,跟sobel算子运算出来的结果有差异