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ENH: Test reg precision #744

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Nov 25, 2024
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ENH: Test reg precision #744

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91a4f9e
ENH: Test reg precision
cookpa Nov 25, 2024
b201507
BUG: Test files not images
cookpa Nov 25, 2024
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16 changes: 15 additions & 1 deletion tests/test_registration.py
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Original file line number Diff line number Diff line change
Expand Up @@ -462,10 +462,24 @@ def test_label_image_registration(self):
mi = ants.resample_image(mi, (60,60), 1, 0)
fi_seg = ants.threshold_image(fi, "Kmeans", 3)-1
mi_seg = ants.threshold_image(mi, "Kmeans", 3)-1
mytx = ants.label_image_registration([fi_seg],
mytx = ants.label_image_registration([fi_seg],
[mi_seg],
fixed_intensity_images=fi,
moving_intensity_images=mi)


def test_reg_precision_option(self):
# Check that registration and apply transforms works with float and double precision
fi = ants.image_read(ants.get_ants_data("r16"))
mi = ants.image_read(ants.get_ants_data("r64"))
fi = ants.resample_image(fi, (60, 60), 1, 0)
mi = ants.resample_image(mi, (60, 60), 1, 0)
mytx = ants.registration(fixed=fi, moving=mi, type_of_transform="SyN") # should be float precision
info = ants.image_header_info(mytx["fwdtransforms"][0])
self.assertEqual(info['pixeltype'], 'float')
mytx = ants.registration(fixed=fi, moving=mi, type_of_transform="SyN", singleprecision=False)
info = ants.image_header_info(mytx["fwdtransforms"][0])
self.assertEqual(info['pixeltype'], 'double')

if __name__ == "__main__":
run_tests()