6 from cv import cvCreateHist, cvGetSize, cvCreateImage, cvCvtColor, cvSplit, cvCalcHist, cvCalcArrHist, CV_HIST_ARRAY
7 from highgui import cvLoadImage
9 image_fname = os.path.join( cvtestutils.datadir(), 'images', 'baboon_256x256.bmp' )
10 class HistogramTestCase( unittest.TestCase ):
12 frame = cvLoadImage( image_fname )
13 frame_size = cvGetSize( frame )
14 r = cvCreateImage (frame_size, 8, 1)
15 g = cvCreateImage (frame_size, 8, 1)
16 b = cvCreateImage (frame_size, 8, 1)
18 cvSplit( frame, r, g, b, None)
20 assert(frame is not None)
22 hist_size = [64, 64, 64]
23 ranges = [ [0, 255], [0, 255], [0, 255] ]
24 self.hist = cvCreateHist( hist_size, CV_HIST_ARRAY, ranges, 1 )
26 def test_cvCreateHist( self ):
27 assert( self.hist is not None )
29 def test_cvCalcArrHist(self):
30 cvCalcArrHist( self.rgb, self.hist, 0, None)
32 def test_cvCalcHist(self):
33 cvCalcHist( self.rgb, self.hist, 0, None)
36 tests = ['test_cvCreateHist', 'test_cvCalcArrHist', 'test_cvCalcHist']
37 return unittest.TestSuite( map(HistogramTestCase, tests))
39 if __name__ == '__main__':
40 unittest.TextTestRunner(verbosity=2).run(suite())