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iradon: Add test for cubic interpolation.

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Jostein Bø Fløystad
2013-07-06 20:55:53 +02:00
parent b90ba783ef
commit 643a1bc1f5
1 changed files with 7 additions and 6 deletions
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skimage/transform/tests/test_radon_transform.py
+7 -6
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@@ -124,11 +124,11 @@ def check_radon_iradon(interpolation_type, filter_type):
print('\n\tmean error:', delta)
if debug:
_debug_plot(image, reconstructed)
if filter_type == 'ramp':
if interpolation_type == 'linear':
allowed_delta = 0.02
else:
if filter_type in ('ramp', 'shepp-logan'):
if interpolation_type == 'nearest':
allowed_delta = 0.03
else:
allowed_delta = 0.02
else:
allowed_delta = 0.05
assert delta < allowed_delta
@@ -136,11 +136,12 @@ def check_radon_iradon(interpolation_type, filter_type):
def test_radon_iradon():
filter_types = ["ramp", "shepp-logan", "cosine", "hamming", "hann"]
interpolation_types = ["linear", "nearest"]
interpolation_types = ['linear', 'nearest']
for interpolation_type, filter_type in \
itertools.product(interpolation_types, filter_types):
yield check_radon_iradon, interpolation_type, filter_type
# cubic interpolation is slow; only run one test for it
yield check_radon_iradon, 'cubic', 'shepp-logan'
def test_iradon_angles():
"""