opencv/modules/objdetect/misc/python/test/test_qrcode_detect.py
AleksandrPanov d43cb4fe7c change resize flag INTER_LINEAR to INTER_LINEAR_EXACT
fix python test_detect_and_decode_multi, sort QR in multiDetect/multiDecode
enable tests with "version_5_up.jpg", "version_5_top.jpg"
2022-09-28 23:52:24 +03:00

53 lines
2.1 KiB
Python

#!/usr/bin/env python
'''
===============================================================================
QR code detect and decode pipeline.
===============================================================================
'''
import os
import numpy as np
import cv2 as cv
from tests_common import NewOpenCVTests
class qrcode_detector_test(NewOpenCVTests):
def test_detect(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/link_ocv.jpg'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
retval, points = detector.detect(img)
self.assertTrue(retval)
self.assertEqual(points.shape, (1, 4, 2))
def test_detect_and_decode(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/link_ocv.jpg'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
retval, points, straight_qrcode = detector.detectAndDecode(img)
self.assertEqual(retval, "https://opencv.org/")
self.assertEqual(points.shape, (1, 4, 2))
def test_detect_multi(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/multiple/6_qrcodes.png'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
retval, points = detector.detectMulti(img)
self.assertTrue(retval)
self.assertEqual(points.shape, (6, 4, 2))
def test_detect_and_decode_multi(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/multiple/6_qrcodes.png'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
retval, decoded_data, points, straight_qrcode = detector.detectAndDecodeMulti(img)
self.assertTrue(retval)
self.assertEqual(len(decoded_data), 6)
self.assertTrue("TWO STEPS FORWARD" in decoded_data)
self.assertTrue("EXTRA" in decoded_data)
self.assertTrue("SKIP" in decoded_data)
self.assertTrue("STEP FORWARD" in decoded_data)
self.assertTrue("STEP BACK" in decoded_data)
self.assertTrue("QUESTION" in decoded_data)
self.assertEqual(points.shape, (6, 4, 2))