cvcvtcolor opencv code example
Example 1: cvtcoloer opencv
toGray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)Example 2: opencv rgb to gray custom
cv::transform(white_balance_image, i_test_base, cv::Matx13f(0.114, 0.587, 0.299));toGray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)cv::transform(white_balance_image, i_test_base, cv::Matx13f(0.114, 0.587, 0.299));