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modules/ml/misc/python/test/test_goodfeatures.py
40 строк
2 KB
Alexander Alekhin
ml: fix python test
28 сен 2020, 00:14
28 сен 2020, 00:14
97bb91d
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О чём код?
#!/usr/bin/env python # Python 2/3 compatibility from __future__ import print_function import cv2 as cv import numpy as np from tests_common import NewOpenCVTests class TestGoodFeaturesToTrack_test(NewOpenCVTests): def test_goodFeaturesToTrack(self): arr = self.get_sample('samples/data/lena.jpg', 0) original = arr.copy() threshes = [ x / 100. for x in range(1,10) ] numPoints = 20000 results = dict([(t, cv.goodFeaturesToTrack(arr, numPoints, t, 2, useHarrisDetector=True)) for t in threshes]) # Check that GoodFeaturesToTrack has not modified input image self.assertTrue(arr.tostring() == original.tostring()) # Check for repeatability for i in range(1): results2 = dict([(t, cv.goodFeaturesToTrack(arr, numPoints, t, 2, useHarrisDetector=True)) for t in threshes]) for t in threshes: self.assertTrue(len(results2[t]) == len(results[t])) for i in range(len(results[t])): self.assertTrue(cv.norm(results[t][i][0] - results2[t][i][0]) == 0) for t0,t1 in zip(threshes, threshes[1:]): r0 = results[t0] r1 = results[t1] # Increasing thresh should make result list shorter self.assertTrue(len(r0) > len(r1)) # Increasing thresh should monly truncate result list for i in range(len(r1)): self.assertTrue(cv.norm(r1[i][0] - r0[i][0])==0) if __name__ == '__main__': NewOpenCVTests.bootstrap()