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Add tests for ndimage fallback for 3D white_tophat & black_tophat

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Nelson Brown
2014-07-13 12:36:05 -07:00
parent f1a8132fbf
commit d9909c4db9
1 changed files with 19 additions and 0 deletions
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skimage/morphology/tests/test_grey.py
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@@ -166,6 +166,25 @@ def test_3d_fallback_cube_selem():
new_image = function(image, cube)
yield testing.assert_array_equal, new_image, image
def test_3d_fallback_white_tophat():
image = np.zeros((7, 7, 7), dtype=bool)
image[2, 2:4, 2:4] = 1
image[3, 2:5, 2:5] = 1
image[4, 3:5, 3:5] = 1
new_image = grey.white_tophat(image)
footprint = ndimage.generate_binary_structure(3,1)
image_expected = ndimage.white_tophat(image,footprint=footprint)
testing.assert_array_equal(new_image, image_expected)
def test_3d_fallback_black_tophat():
image = np.ones((7, 7, 7), dtype=bool)
image[2, 2:4, 2:4] = 0
image[3, 2:5, 2:5] = 0
image[4, 3:5, 3:5] = 0
new_image = grey.black_tophat(image)
footprint = ndimage.generate_binary_structure(3,1)
image_expected = ndimage.black_tophat(image,footprint=footprint)
testing.assert_array_equal(new_image, image_expected)
class TestDTypes():