roi = cv2.resize(roi, None, fx=2, fy=2) _, roi = cv2.threshold(roi, 128+64, 255, cv2.THRESH_BINARY) roi = cv2.GaussianBlur(roi, (3,3), 0) text_detected = image_to_string(roi, config="--psm 10 --oem 3 tessedit_char_whitelist=0123456789", )
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