opencv grayscale image code example
Example 1: cv2 grayscale
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
Example 2: convert image to grayscale opencv
img = cv2.imread(path)
img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
Example 3: cvtcolor rgb to gray
cv::Mat img
cv::cvtColor(img, img, CV_BGR2GRAY);
Example 4: grayscal image converter
This One Works
https://pinetools.com/grayscale-image