@staticmethod
def _transform_image(image):
    """
        override this method to apply image transformations in order to increase OCR accuracy.
        good starting point is cv2.threshold(image, 0, 255, cv2.THRESH_BINARY | cv2.THRESH_OTSU)[1] but be sure to
            transform PIL images to numpy array first (np.array(image))
        """
    return image
