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Open Source Computer Vision Library
https://opencv.org/
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26 lines
914 B
26 lines
914 B
#!/usr/bin/env python |
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import cv2 |
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from tests_common import NewOpenCVTests |
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class shape_test(NewOpenCVTests): |
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def test_computeDistance(self): |
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a = self.get_sample('samples/data/shape_sample/1.png', cv2.IMREAD_GRAYSCALE) |
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b = self.get_sample('samples/data/shape_sample/2.png', cv2.IMREAD_GRAYSCALE) |
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_, ca, _ = cv2.findContours(a, cv2.RETR_CCOMP, cv2.CHAIN_APPROX_TC89_KCOS) |
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_, cb, _ = cv2.findContours(b, cv2.RETR_CCOMP, cv2.CHAIN_APPROX_TC89_KCOS) |
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hd = cv2.createHausdorffDistanceExtractor() |
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sd = cv2.createShapeContextDistanceExtractor() |
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d1 = hd.computeDistance(ca[0], cb[0]) |
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d2 = sd.computeDistance(ca[0], cb[0]) |
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self.assertAlmostEqual(d1, 26.4196891785, 3, "HausdorffDistanceExtractor") |
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self.assertAlmostEqual(d2, 0.25804194808, 3, "ShapeContextDistanceExtractor") |
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if __name__ == '__main__': |
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NewOpenCVTests.bootstrap()
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