test_colorconv.py 文件源码

def test_rgb2hsv_conversion(self):
        rgb = img_as_float(self.img_rgb)[::16, ::16]
        hsv = rgb2hsv(rgb).reshape(-1, 3)
        # ground truth from colorsys
        gt = np.array([colorsys.rgb_to_hsv(pt[0], pt[1], pt[2])
                       for pt in rgb.reshape(-1, 3)]
                      )
        assert_almost_equal(hsv, gt)