# coding:utf-8
import cv2 as cv
img = cv.imread("a.jpg", cv.IMREAD_GRAYSCALE)
cv.imwrite('grayscale_4.jpg', img)
if __name__ == "__main__":
pass
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# coding:utf-8
import cv2 as cv
img = cv.imread("a.jpg", cv.IMREAD_GRAYSCALE)
cv.imwrite('grayscale_4.jpg', img)
if __name__ == "__main__":
pass
相关文章：