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29 lines
1.1 KiB
Python
29 lines
1.1 KiB
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 numpy as np
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import cv2
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import cv2.cv as cv
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from test import OpenCVTests
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class NonFreeFunctionTests(OpenCVTests):
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def test_ExtractSURF(self):
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img = self.get_sample("samples/c/lena.jpg", 0)
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w,h = cv.GetSize(img)
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for hessthresh in [ 300,400,500]:
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for dsize in [0,1]:
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for layers in [1,3,10]:
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kp,desc = cv.ExtractSURF(img, None, cv.CreateMemStorage(), (dsize, hessthresh, 3, layers))
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self.assertTrue(len(kp) == len(desc))
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for d in desc:
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self.assertTrue(len(d) == {0:64, 1:128}[dsize])
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for pt,laplacian,size,dir,hessian in kp:
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self.assertTrue((0 <= pt[0]) and (pt[0] <= w))
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self.assertTrue((0 <= pt[1]) and (pt[1] <= h))
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self.assertTrue(laplacian in [-1, 0, 1])
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self.assertTrue((0 <= dir) and (dir <= 360))
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self.assertTrue(hessian >= hessthresh)
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