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make all test cases of regionprops work

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This commit is contained in:
Johannes Schönberger
2012-05-13 18:27:25 +02:00
parent b04138c39c
commit 06759d2bdf
1 changed files with 11 additions and 14 deletions
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skimage/measure/tests/test_regionprops.py
+11 -14
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@@ -36,10 +36,8 @@ def test_central_moments():
mu = regionprops(SAMPLE, ['CentralMoments'])[0]['CentralMoments']
#: determined with OpenCV
assert_almost_equal(mu[0,2], 436.00000000000045)
# bug in OpenCV and Wikipedia?
assert_almost_equal(mu[0,3], -0.016762262088312843)
# different from OpenCV results, bug in OpenCV
assert_almost_equal(mu[0,3], -737.333333333333)
assert_almost_equal(mu[1,1], -87.33333333333303)
assert_almost_equal(mu[1,2], -127.5555555555593)
assert_almost_equal(mu[2,0], 1259.7777777777774)
@@ -97,16 +95,15 @@ def test_extent():
def test_hu_moments():
hu = regionprops(SAMPLE, ['HuMoments'])[0]['HuMoments']
# determined with OpenCV
ref = np.array(
[[ 3.27117627e-01],
[ 2.63869194e-02],
[ 1.86845507e-02],
[ 2.47503247e-03],
[-6.25438993e-06],
[-2.02071583e-04],
[ 1.56259006e-05]]
)
ref = np.array([
3.27117627e-01,
2.63869194e-02,
2.35390060e-02,
1.23151193e-03,
1.38882330e-06,
-2.72586158e-05,
6.48350653e-06
])
# bug in OpenCV caused in Central Moments calculation?
assert_array_almost_equal(hu, ref)