opencv_tutorials/python/code_033/opencv_033.py at master · HZHCoder1990/opencv_tutorials · GitHub

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import cv2 as cv

import numpy as np

image = cv.imread("./test.png")

cv.namedWindow("input", cv.WINDOW_AUTOSIZE)

cv.imshow("input", image)

h, w = image.shape[:2]

src = cv.GaussianBlur(image, (0, 0), 1)

dst = cv.Laplacian(src, cv.CV_32F, ksize=3, delta=127)

dst = cv.convertScaleAbs(dst)

result = np.zeros([h, w*2, 3], dtype=image.dtype)

result[0:h,0:w,:] = image

result[0:h,w:2*w,:] = dst

cv.imshow("result", result)

cv.imwrite("./aplacian.png", result)

cv.waitKey(0)

cv.destroyAllWindows()

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