OpenCV python圖像輸入輸出

import cv2 as cv img = cv.imread("E:\\python opencv\\demo2\\a.jpg") #讀原圖 img1 = cv.imread("E:\\python opencv\\demo2\\a.jpg", 0) #讀取灰色圖像 cv.imshow("input", img) #顯示圖線 k = cv.waitKey(0)

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