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Author SHA1 Message Date
Jostein Bø Fløystad a5df8d4630 Rewrite Radon example; include SART. 
The old example had some flaws. The new example corrects these, expands
on the topic and adds content relating to the newly implemented SART
algorithm.
 2013-07-05 13:14:39 +02:00
Jostein Bø Fløystad dde4288865 test_radon_transform: Style fixes. 2013-07-05 13:14:39 +02:00
Jostein Bø Fløystad 266b202226 iradon_sart: Style fixes. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 116e1dd571 iradon_sart: Also test accuracy with a missing wedge. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad ace07a0b18 iradon_sart: Add test for order_angles_golden_ratio. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 2082b57e41 iradon_sart: Order angles using a golden ratio approach. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad dcd31c1882 radon_transform: Declare encoding. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 8d4b1e6710 iradon_sart: Add Kaczmarz reference and reformat citations. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 89f227c5ff iradon_sart: Remove needless memoryview/ndarray conversion. 
image_update is not manipulated in sart_projection_update and the
conversion to memoryview will happen when it is passed to the
subroutines anyway.
 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 5baaf78564 iradon_sart: Reduce code duplication in interpolation. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 91aeb658dd iradon_sart's cython exts: Use typed memoryviews, not ndarrays. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad c977c5974d iradon_sart: Improve argument checking. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 59bdb24c92 iradon_sart: Clean up cython code to minimize python calls. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 1b620a0a12 Tests for iradon_sart: Robust path handling. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 94eba1c911 iradon_sart: Clarify how constants are chosen. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 496902145f iradon_sart: Add wikipedia reference to Kaczmarz method. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 372f0127f9 transform.iradon_sart: Clean up code for ordering projections. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad b474804654 Fix docstrings for transform.iradon_sart with subroutines. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad d5f323eec0 Tests for the projection_shifts functionality of iradon_sart. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 1e1dd180d2 Implement projection shifts. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 8e6468eef5 Add tests for transform.iradon_sart. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad d4b33059cb Make iradon_sart visible in the transform package. 2013-07-05 13:14:38 +02:00
Jostein Bø Fløystad 9484afeed1 Add SART tomography reconstruction to radon_transform. 2013-07-05 13:14:38 +02:00
Johannes Schönberger 24c0c40977 Merge pull request #511 from ankit-maverick/resample 
Resampling of nD arrays
 2013-07-04 22:47:09 -07:00
Ankit Agrawal 971e7beec5 Correcting typos 2013-07-05 11:10:12 +08:00
Ankit Agrawal 70d180408f Another attempt at solving circular import issue 2013-07-05 10:46:45 +08:00
Ankit Agrawal f79582ecb4 Attempt to solve circular import issue 2013-07-05 01:34:17 +08:00
Ankit Agrawal 8ac4427d9b Expanding the documentation in transform._warps 2013-07-05 00:21:11 +08:00
Stefan van der Walt bcc249263f Merge pull request #596 from josteinbf/radon-projection-center 
Radon transform: Improve tests and address bugs in definition of image and projection center.
 2013-07-04 07:24:05 -07:00
Ankit Agrawal 6f9d7c5d1a Cleaning up downsampling for integer factors 2013-07-04 17:34:55 +08:00
Ankit Agrawal c57c865196 Add _sum_blocks 2013-07-04 17:32:20 +08:00
Ankit Agrawal 2f817542b8 Making code compatible with Python 3 2013-07-04 17:31:28 +08:00
Ankit Agrawal 7282f561d4 Added docs, tests for downsample() in skimage.transform._warps 2013-07-04 17:31:27 +08:00
Ankit Agrawal 329cf37ca2 Padding ndarray with zeros to support downsampling by any integer factor 2013-07-04 17:24:14 +08:00
Ankit Agrawal bfc2aac3e5 Downsampling of nD arrays 2013-07-04 17:24:14 +08:00
Ankit Agrawal b5804214b0 Minor refactoring 2013-07-04 17:24:14 +08:00
Ankit Agrawal 8372b0b6aa Removing code repetition 2013-07-04 17:24:13 +08:00
Ankit Agrawal 19f0be9fbd PEP8 corrections 2013-07-04 17:24:13 +08:00
Ankit Agrawal b551a49708 First implementation of Integer Up/Downsampling 2013-07-04 17:24:13 +08:00
Josh Warner (Mac) 32f39eecbb ENH: Improve random_noise with better param names & docfixes 2013-07-03 23:54:26 -05:00
Ankit Agrawal 56e7ea23c5 Removing unused import and fixing indentation issue 2013-07-03 23:32:49 +08:00
Ankit Agrawal 3dcd24e6f3 Clearing docs and making feature.util 2013-07-03 23:19:43 +08:00
Ankit Agrawal c032408080 Merge branch 'ankit-brief' of https://github.com/ahojnnes/scikit-image into ahojnnes-ankit-brief 2013-07-03 14:57:06 +08:00
Johannes Schönberger bcacd06f9c Outsource inner brief loop into cython file 2013-07-03 07:55:27 +02:00
Juan Nunez-Iglesias df2233cc6a Remove old commented-out code 2013-07-03 00:49:36 +02:00
Johannes Schönberger ac7880b640 Outsource inner brief loop into cython file 2013-07-02 21:59:49 +02:00
Juan Nunez-Iglesias dab831b72b Bug fix: map returns iterator in Py3k 2013-07-02 20:13:09 +02:00
Juan Nunez-Iglesias 7f1b9ea4c6 Fix automerge bug 2013-07-02 19:42:24 +02:00
Juan Nunez-Iglesias cd197527fb Speed up initialising 'distance' in SLIC 2013-07-02 13:22:14 +02:00
Juan Nunez-Iglesias 578876eff8 Bug fix: correctly initialize distance in slic 2013-07-02 13:22:14 +02:00