rgb to grayscale opencv code example
Example 1: opencv grayscale to rgb
backtorgb = cv2.cvtColor(gray,cv2.COLOR_GRAY2RGB)Example 2: opencv rgb to gray custom
cv::transform(white_balance_image, i_test_base, cv::Matx13f(0.114, 0.587, 0.299));backtorgb = cv2.cvtColor(gray,cv2.COLOR_GRAY2RGB)cv::transform(white_balance_image, i_test_base, cv::Matx13f(0.114, 0.587, 0.299));