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Prevent infinite loop in adapthist for low clip_limit

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Prevent infinite loop in adapthist

Add a test that exposed the infinite loop

Use better check to prevent endless loop
This commit is contained in:
Steven Silvester
2015-10-25 20:17:19 -05:00
parent d776464324
commit aabf2de96a
2 changed files with 7 additions and 1 deletions
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skimage/exposure/tests/test_exposure.py
+1 -1
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@@ -213,7 +213,7 @@ def test_adapthist_grayscale():
img = np.dstack((img, img, img))
with expected_warnings(['precision loss|non-contiguous input',
'deprecated']):
adapted_old = exposure.equalize_adapthist(img, 10, 9, clip_limit=0.01,
adapted_old = exposure.equalize_adapthist(img, 10, 9, clip_limit=0.001,
nbins=128)
adapted = exposure.equalize_adapthist(img, kernel_size=(57, 51), clip_limit=0.01, nbins=128)
assert img.shape == adapted.shape