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TST: Add buffer for threshold tests.

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In case conversion from float to integer is imprecise.
This commit is contained in:
Matt McCormick
2012-07-20 19:09:05 -04:00
parent 4b53c92c14
commit 67eb914ef6
1 changed files with 3 additions and 3 deletions
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skimage/filter/tests/test_thresholding.py
+3 -3
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@@ -74,12 +74,12 @@ class TestSimpleImage():
def test_otsu_camera_image():
camera = skimage.img_as_ubyte(data.camera())
assert threshold_otsu(camera) == 87
assert 86 < threshold_otsu(camera) < 88
def test_otsu_coins_image():
coins = skimage.img_as_ubyte(data.coins())
assert threshold_otsu(coins) == 107
assert 106 < threshold_otsu(coins) < 108
def test_otsu_coins_image_as_float():
@@ -89,7 +89,7 @@ def test_otsu_coins_image_as_float():
def test_otsu_lena_image():
lena = skimage.img_as_ubyte(data.lena())
assert threshold_otsu(lena) == 141
assert 140 < threshold_otsu(lena) < 142
if __name__ == '__main__':