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Vadim Levin
e3cb5f80e7
Fix FLANN python bindings #24028 As a side-effect this patch improves reporting errors by FLANN `get_param`. resolves #21642 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake
31 lines
966 B
Python
31 lines
966 B
Python
#!/usr/bin/env python
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# Python 2/3 compatibility
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from __future__ import print_function
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import cv2
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import numpy as np
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from tests_common import NewOpenCVTests
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class FlannBasedMatcher(NewOpenCVTests):
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def test_all_parameters_can_be_passed(self):
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img1 = self.get_sample("samples/data/right01.jpg")
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img2 = self.get_sample("samples/data/right02.jpg")
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orb = cv2.ORB.create()
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kp1, des1 = orb.detectAndCompute(img1, None)
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kp2, des2 = orb.detectAndCompute(img2, None)
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FLANN_INDEX_KDTREE = 1
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index_param = dict(algorithm=FLANN_INDEX_KDTREE, trees=4)
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search_param = dict(checks=32, sorted=True, eps=0.5,
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explore_all_trees=False)
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matcher = cv2.FlannBasedMatcher(index_param, search_param)
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matches = matcher.knnMatch(np.float32(des1), np.float32(des2), k=2)
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self.assertGreater(len(matches), 0)
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if __name__ == '__main__':
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NewOpenCVTests.bootstrap()
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