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463cd09811
Moved barcode from opencv_contrib #23666 Merge with https://github.com/opencv/opencv_contrib/pull/3497 ##### TODO - [x] Documentation (bib) - [x] Tutorial (references) - [x] Sample app (refactored) - [x] Java (test passes) - [x] Python (test passes) - [x] Build without DNN
34 lines
1.3 KiB
Python
34 lines
1.3 KiB
Python
#!/usr/bin/env python
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'''
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===============================================================================
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Barcode detect and decode pipeline.
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===============================================================================
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'''
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import os
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import numpy as np
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import cv2 as cv
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from tests_common import NewOpenCVTests
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class barcode_detector_test(NewOpenCVTests):
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def test_detect(self):
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img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/barcode/multiple/4_barcodes.jpg'))
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self.assertFalse(img is None)
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detector = cv.barcode_BarcodeDetector()
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retval, corners = detector.detect(img)
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self.assertTrue(retval)
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self.assertEqual(corners.shape, (4, 4, 2))
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def test_detect_and_decode(self):
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img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/barcode/single/book.jpg'))
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self.assertFalse(img is None)
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detector = cv.barcode_BarcodeDetector()
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retval, decoded_info, decoded_type, corners = detector.detectAndDecodeWithType(img)
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self.assertTrue(retval)
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self.assertTrue(len(decoded_info) > 0)
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self.assertTrue(len(decoded_type) > 0)
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self.assertEqual(decoded_info[0], "9787115279460")
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self.assertEqual(decoded_type[0], "EAN_13")
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self.assertEqual(corners.shape, (1, 4, 2))
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