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Merge branch 4.x
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@@ -1,27 +0,0 @@
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#!/usr/bin/env python
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'''
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Test for disctrete fourier transform (dft)
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'''
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# Python 2/3 compatibility
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from __future__ import print_function
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import cv2 as cv
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import numpy as np
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import sys
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from tests_common import NewOpenCVTests
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class imgproc_test(NewOpenCVTests):
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def test_filter2d(self):
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img = self.get_sample('samples/data/lena.jpg', 1)
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eps = 0.001
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# compare 2 ways of computing 3x3 blur using the same function
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kernel = np.array([[1, 1, 1], [1, 1, 1], [1, 1, 1]], dtype='float32')
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img_blur0 = cv.filter2D(img, cv.CV_32F, kernel*(1./9))
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img_blur1 = cv.filter2Dp(img, kernel, ddepth=cv.CV_32F, scale=1./9)
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self.assertLess(cv.norm(img_blur0 - img_blur1, cv.NORM_INF), eps)
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if __name__ == '__main__':
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NewOpenCVTests.bootstrap()
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