Beispiel #1
0
def test_bilateral():
    image = np.zeros((21, 21), dtype=np.uint16)
    selem = np.ones((3, 3), dtype=np.uint8)

    image[10, 10] = 1000
    image[10, 11] = 1010
    image[10, 9] = 900

    assert rank.mean_bilateral(image, selem, s0=1, s1=1)[10, 10] == 1000
    assert rank.pop_bilateral(image, selem, s0=1, s1=1)[10, 10] == 1
    assert rank.mean_bilateral(image, selem, s0=11, s1=11)[10, 10] == 1005
    assert rank.pop_bilateral(image, selem, s0=11, s1=11)[10, 10] == 2
Beispiel #2
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def test_bilateral():
    image = np.zeros((21, 21), dtype=np.uint16)
    selem = np.ones((3, 3), dtype=np.uint8)

    image[10, 10] = 1000
    image[10, 11] = 1010
    image[10, 9] = 900

    assert rank.mean_bilateral(image, selem, s0=1, s1=1)[10, 10] == 1000
    assert rank.pop_bilateral(image, selem, s0=1, s1=1)[10, 10] == 1
    assert rank.mean_bilateral(image, selem, s0=11, s1=11)[10, 10] == 1005
    assert rank.pop_bilateral(image, selem, s0=11, s1=11)[10, 10] == 2
Beispiel #3
0
    def test_bilateral(self):
        image = np.zeros((21, 21), dtype=np.uint16)
        footprint = np.ones((3, 3), dtype=np.uint8)

        image[10, 10] = 1000
        image[10, 11] = 1010
        image[10, 9] = 900

        kwargs = dict(s0=1, s1=1)
        assert rank.mean_bilateral(image, footprint, **kwargs)[10, 10] == 1000
        assert rank.pop_bilateral(image, footprint, **kwargs)[10, 10] == 1
        kwargs = dict(s0=11, s1=11)
        assert rank.mean_bilateral(image, footprint, **kwargs)[10, 10] == 1005
        assert rank.pop_bilateral(image, footprint, **kwargs)[10, 10] == 2
        def check_all():
            selem = morphology.disk(1)
            refs = np.load(
                os.path.join(skimage.data_dir, "rank_filter_tests.npz"))

            assert_equal(refs["autolevel"], rank.autolevel(self.image, selem))
            assert_equal(refs["autolevel_percentile"],
                         rank.autolevel_percentile(self.image, selem))
            assert_equal(refs["bottomhat"], rank.bottomhat(self.image, selem))
            assert_equal(refs["equalize"], rank.equalize(self.image, selem))
            assert_equal(refs["gradient"], rank.gradient(self.image, selem))
            assert_equal(refs["gradient_percentile"],
                         rank.gradient_percentile(self.image, selem))
            assert_equal(refs["maximum"], rank.maximum(self.image, selem))
            assert_equal(refs["mean"], rank.mean(self.image, selem))
            assert_equal(refs["geometric_mean"],
                         rank.geometric_mean(self.image, selem)),
            assert_equal(refs["mean_percentile"],
                         rank.mean_percentile(self.image, selem))
            assert_equal(refs["mean_bilateral"],
                         rank.mean_bilateral(self.image, selem))
            assert_equal(refs["subtract_mean"],
                         rank.subtract_mean(self.image, selem))
            assert_equal(refs["subtract_mean_percentile"],
                         rank.subtract_mean_percentile(self.image, selem))
            assert_equal(refs["median"], rank.median(self.image, selem))
            assert_equal(refs["minimum"], rank.minimum(self.image, selem))
            assert_equal(refs["modal"], rank.modal(self.image, selem))
            assert_equal(refs["enhance_contrast"],
                         rank.enhance_contrast(self.image, selem))
            assert_equal(refs["enhance_contrast_percentile"],
                         rank.enhance_contrast_percentile(self.image, selem))
            assert_equal(refs["pop"], rank.pop(self.image, selem))
            assert_equal(refs["pop_percentile"],
                         rank.pop_percentile(self.image, selem))
            assert_equal(refs["pop_bilateral"],
                         rank.pop_bilateral(self.image, selem))
            assert_equal(refs["sum"], rank.sum(self.image, selem))
            assert_equal(refs["sum_bilateral"],
                         rank.sum_bilateral(self.image, selem))
            assert_equal(refs["sum_percentile"],
                         rank.sum_percentile(self.image, selem))
            assert_equal(refs["threshold"], rank.threshold(self.image, selem))
            assert_equal(refs["threshold_percentile"],
                         rank.threshold_percentile(self.image, selem))
            assert_equal(refs["tophat"], rank.tophat(self.image, selem))
            assert_equal(refs["noise_filter"],
                         rank.noise_filter(self.image, selem))
            assert_equal(refs["entropy"], rank.entropy(self.image, selem))
            assert_equal(refs["otsu"], rank.otsu(self.image, selem))
            assert_equal(refs["percentile"],
                         rank.percentile(self.image, selem))
            assert_equal(refs["windowed_histogram"],
                         rank.windowed_histogram(self.image, selem))
Beispiel #5
0
def check_all():
    np.random.seed(0)
    image = np.random.rand(25, 25)
    selem = morphology.disk(1)
    refs = np.load(os.path.join(skimage.data_dir, "rank_filter_tests.npz"))

    assert_equal(refs["autolevel"], rank.autolevel(image, selem))
    assert_equal(refs["autolevel_percentile"], rank.autolevel_percentile(image, selem))
    assert_equal(refs["bottomhat"], rank.bottomhat(image, selem))
    assert_equal(refs["equalize"], rank.equalize(image, selem))
    assert_equal(refs["gradient"], rank.gradient(image, selem))
    assert_equal(refs["gradient_percentile"], rank.gradient_percentile(image, selem))
    assert_equal(refs["maximum"], rank.maximum(image, selem))
    assert_equal(refs["mean"], rank.mean(image, selem))
    assert_equal(refs["mean_percentile"], rank.mean_percentile(image, selem))
    assert_equal(refs["mean_bilateral"], rank.mean_bilateral(image, selem))
    assert_equal(refs["subtract_mean"], rank.subtract_mean(image, selem))
    assert_equal(refs["subtract_mean_percentile"], rank.subtract_mean_percentile(image, selem))
    assert_equal(refs["median"], rank.median(image, selem))
    assert_equal(refs["minimum"], rank.minimum(image, selem))
    assert_equal(refs["modal"], rank.modal(image, selem))
    assert_equal(refs["enhance_contrast"], rank.enhance_contrast(image, selem))
    assert_equal(refs["enhance_contrast_percentile"], rank.enhance_contrast_percentile(image, selem))
    assert_equal(refs["pop"], rank.pop(image, selem))
    assert_equal(refs["pop_percentile"], rank.pop_percentile(image, selem))
    assert_equal(refs["pop_bilateral"], rank.pop_bilateral(image, selem))
    assert_equal(refs["sum"], rank.sum(image, selem))
    assert_equal(refs["sum_bilateral"], rank.sum_bilateral(image, selem))
    assert_equal(refs["sum_percentile"], rank.sum_percentile(image, selem))
    assert_equal(refs["threshold"], rank.threshold(image, selem))
    assert_equal(refs["threshold_percentile"], rank.threshold_percentile(image, selem))
    assert_equal(refs["tophat"], rank.tophat(image, selem))
    assert_equal(refs["noise_filter"], rank.noise_filter(image, selem))
    assert_equal(refs["entropy"], rank.entropy(image, selem))
    assert_equal(refs["otsu"], rank.otsu(image, selem))
    assert_equal(refs["percentile"], rank.percentile(image, selem))
    assert_equal(refs["windowed_histogram"], rank.windowed_histogram(image, selem))