27 lines
946 B
Python
27 lines
946 B
Python
#!/usr/bin/env python
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"""Algorithm serialization test."""
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import tempfile
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import os
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import cv2 as cv
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from tests_common import NewOpenCVTests
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class algorithm_rw_test(NewOpenCVTests):
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def test_algorithm_rw(self):
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fd, fname = tempfile.mkstemp(prefix="opencv_python_algorithm_", suffix=".yml")
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os.close(fd)
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# some arbitrary non-default parameters
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gold = cv.AKAZE_create(descriptor_size=1, descriptor_channels=2, nOctaves=3, threshold=4.0)
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gold.write(cv.FileStorage(fname, cv.FILE_STORAGE_WRITE), "AKAZE")
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fs = cv.FileStorage(fname, cv.FILE_STORAGE_READ)
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algorithm = cv.AKAZE_create()
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algorithm.read(fs.getNode("AKAZE"))
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self.assertEqual(algorithm.getDescriptorSize(), 1)
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self.assertEqual(algorithm.getDescriptorChannels(), 2)
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self.assertEqual(algorithm.getNOctaves(), 3)
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self.assertEqual(algorithm.getThreshold(), 4.0)
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os.remove(fname)
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