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Fix fast warping of images

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This commit is contained in:
Johannes Schönberger
2012-09-03 21:46:14 +02:00
parent 3f7d962206
commit 65879a2cde
1 changed files with 3 additions and 2 deletions
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skimage/transform/_geometric.py
+3 -2
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@@ -954,9 +954,10 @@ def warp(image, inverse_map=None, map_args={}, output_shape=None, order=1,
# use fast Cython version for specific interpolation orders
if order in range(4) and not map_args:
matrix = None
if isinstance(inverse_map, HOMOGRAPHY_TRANSFORMS):
if inverse_map in HOMOGRAPHY_TRANSFORMS:
matrix = inverse_map._matrix
elif inverse_map.__name__ == 'inverse' \
elif hasattr(inverse_map, '__name__') \
and inverse_map.__name__ == 'inverse' \
and inverse_map.im_class in HOMOGRAPHY_TRANSFORMS:
matrix = np.linalg.inv(inverse_map.im_self._matrix)
if matrix is not None: