def METHOD_NAME(path):
    """Read image and output RGB image (0-1).
    Args:
        path (str): path to file
    Returns:
        array: RGB image (0-1)
    """
    img = cv2.imread(path)
    if img.ndim == 2:
        img = cv2.cvtColor(img, cv2.COLOR_GRAY2BGR)
    img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB) / 255.0
    return img