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Merge pull request #403 from blink1073/test-failure

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BUG: Not all plugins would pass the adapthist test
This commit is contained in:
Tony S Yu
2012-12-23 16:46:02 -08:00
parent 4782de0701 6a0ab4e3fb
commit 35a5fb5ea3
1 changed files with 6 additions and 5 deletions
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skimage/exposure/tests/test_exposure.py
+6 -5
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@@ -11,7 +11,8 @@ from skimage.util.dtype import dtype_range
# ===========================
# squeeze image intensities to lower image contrast
test_img = exposure.rescale_intensity(data.camera() / 5. + 100)
test_img = skimage.img_as_float(data.camera())
test_img = exposure.rescale_intensity(test_img / 5. + 100)
def test_equalize_ubyte():
@@ -101,8 +102,8 @@ def test_adapthist_grayscale():
nbins=128)
assert_almost_equal = np.testing.assert_almost_equal
assert img.shape == adapted.shape
assert_almost_equal(peak_snr(img, adapted), 77.584, 3)
assert_almost_equal(norm_brightness_err(img, adapted), 0.038, 3)
assert_almost_equal(peak_snr(img, adapted), 97.949, 3)
assert_almost_equal(norm_brightness_err(img, adapted), 0.03077, 3)
return data, adapted
@@ -116,9 +117,9 @@ def test_adapthist_color():
assert adapted.max() == 1.0
assert img.shape == adapted.shape
full_scale = skimage.exposure.rescale_intensity(img)
assert_almost_equal(peak_snr(full_scale, adapted), 64.717, 3)
assert_almost_equal(peak_snr(full_scale, adapted), 102.940, 3)
assert_almost_equal(norm_brightness_err(full_scale, adapted),
0.179, 3)
0.0110, 3)
return data, adapted