opencv convert color to gray code example
Example 1: cv2 grayscale
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
Example 2: bgr2gray opencv
img = cv2.imread(path)
img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
img = cv2.imread(path)
img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)