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Author SHA1 Message Date
Warren Weckesser 6b908c1bb1 BUG: io: imread in the PIL plugin drops indexed PNG alpha channel. 
When using the PIL plugin to read an indexed PNG file that has
an alpha channel, the alpha channel would be lost.
 2015-12-15 12:30:43 -05:00
Juan Nunez-Iglesias 2f3bc7f08d Merge pull request #1828 from stefanv/radon_circle_warn 
radon transform: ignore values outside circle
 2015-12-15 12:57:55 +11:00
Stefan van der Walt 74a015d1d4 radon transform: when circle=True, ignore values outside circle without throwing an error (closes #1808) 2015-12-14 17:13:29 -08:00
Juan Nunez-Iglesias 5c03f2aff5 Bug: not all edges found by asymmetric footprint 
If we have a label image:

[[1, 2],
 [3, 4]]

Then the footprint:

 [[0, 0, 0],
  [0, 1, 1],
  [0, 1, 1]]

will not discover the edge (2, 3), even though that edge should be
present when `connectivity=2`.

This commit fixes the bug by using a complete footprint, without the
top/left surfaces zeroed out.

See also:
https://github.com/scikit-image/scikit-image/pull/1826#issuecomment-164597442
 2015-12-15 10:56:04 +11:00
Johannes Schönberger 86052d67bd Merge pull request #1815 from stefanv/regionprops_cached_decorator 
Regionprops cached decorator
 2015-12-14 15:12:39 -05:00
Stefan van der Walt 4aa08fe353 Simplify cache 2015-12-14 00:42:29 -08:00
Stefan van der Walt bf5ba4540b Fix doc setting for Python 2.x 2015-12-14 00:42:29 -08:00
Stefan van der Walt 024dd34b19 Clean up style and PEP8 2015-12-14 00:42:29 -08:00
Stefan van der Walt 5e848f5889 Auto-generate _RegionProps property docstrings 2015-12-14 00:42:29 -08:00
Juan Nunez-Iglesias 4deeb1f802 Move max_id logic to top of RAG constructor 
max_id is used during RAG building iteration, resulting in an error if
it is not defined ahead of the generic_filter stage.
 2015-12-14 19:06:43 +11:00
Juan Nunez-Iglesias 53d3154f09 Use a strided 1-element array as dummy filter out 
When using generic_filter to build a graph, the numerical filter
output is actually ignored. Building a full array, even of the
smallest dtype, was wasteful. Using stride_tricks solves this by
creating a single-element buffer into which all output is fed.
 2015-12-14 18:57:29 +11:00
Juan Nunez-Iglesias 49aa7cf999 Fix typo in variable name 2015-12-14 18:42:25 +11:00
Juan Nunez-Iglesias d5819f664a Add tests for generic RAG construction 2015-12-14 17:12:11 +11:00
Juan Nunez-Iglesias e9c4c87519 Make RAG generic, requiring only label_image 2015-12-14 17:12:11 +11:00
Juan Nunez-Iglesias c3d52d602c Simplify reference to generate_binary_structure 2015-12-14 17:12:11 +11:00
Juan Nunez-Iglesias 97f3ad1a6b NetworkX is required so remove optional import 2015-12-14 17:12:11 +11:00
Juan Nunez-Iglesias 975d1a4cc0 Merge pull request #1792 from scottsievert/fftconvolve 
Uses fftconvolve instead of convolve2d for speedups
 2015-12-14 16:37:18 +11:00
Juan Nunez-Iglesias 477f39634a Merge pull request #1825 from stefanv/travis_pyamg 
Re-enable pyamg, since release 3.0.2 closes #1788
 2015-12-14 16:36:38 +11:00
Stefan van der Walt 084ad3c22b Merge pull request #1821 from jni/integral-image-fixes 
Add deprecation path to skimage.transform.integrate API change
 2015-12-13 20:36:16 -08:00
Stefan van der Walt 8be859829e Re-enable pyamg, since release 3.0.2 closes #1788 
This reverts commit a9b4e78934.
 2015-12-13 19:52:36 -08:00
Johannes Schönberger 7aa680ccd1 Merge pull request #1768 from stefanv/mailmap 
Add preliminary mailmap
 2015-12-13 22:27:11 -05:00
Steven Silvester d99f21806d Merge pull request #1824 from stefanv/travis_pyamg 
Disable pyamg on Travis until #1788 is closed
 2015-12-13 20:14:19 -06:00
Stefan van der Walt b0301a2119 Add preliminary mailmap and tool to generate it 2015-12-13 18:10:28 -08:00
Stefan van der Walt a9b4e78934 Disable pyamg on Travis until #1788 is closed 2015-12-13 17:52:43 -08:00
scottsievert 2892e90abc removes paren 2015-12-13 16:59:59 -06:00
scottsievert 4d6c9e7b84 now N dimensional, changes constant, cleans and comments 2015-12-13 14:57:52 -06:00
Steven Silvester 5b8fd77b80 Merge pull request #1691 from juliusbierk/active-contour-model 
New feature: Active contour model
 2015-12-13 14:57:10 -06:00
Charles Deledalle cc24efbe2b DOC : change sneaky unicode in the endash 2015-12-13 18:58:01 +01:00
Juan Nunez-Iglesias 0bc3ad8f79 Restore vectorised integrate deprecated behaviour 2015-12-13 16:25:29 +11:00
Juan Nunez-Iglesias 3899c571b7 Test individual coordinates for integrate in doctest 2015-12-13 14:55:44 +11:00
Juan Nunez-Iglesias c7243e7383 Allow passing individual coordinate tuples to integrate 2015-12-13 14:55:23 +11:00
Juan Nunez-Iglesias 5df9e0cf70 Update incorrect version number in docstring 2015-12-13 14:54:57 +11:00
Juan Nunez-Iglesias 74f8ae19f6 Add note in TODO for deprecated use of integrate() 2015-12-13 14:47:01 +11:00
Juan Nunez-Iglesias 458dc15225 Add deprecation warning for old syntax for integrate() 2015-12-13 14:45:45 +11:00
Juan Nunez-Iglesias 38b1880ef7 Update docstring comments for integrate function 2015-12-13 14:35:59 +11:00
scottsievert 3fd47091dd adds comment explaining time_ratio decision 2015-12-12 21:15:01 -06:00
Juan Nunez-Iglesias 827e4b11c9 Merge pull request #1819 from blink1073/doc-building-docs 
Move the doc build readme to contributing.txt
 2015-12-13 13:42:58 +11:00
Juan Nunez-Iglesias 91d3e81927 Merge pull request #1820 from blink1073/deprecate-2.6 
Start deprecation of python 2.6
 2015-12-13 13:40:08 +11:00
Steven Silvester 683ecde2e1 Start deprecation of python 2.6 2015-12-12 20:27:21 -06:00
Steven Silvester 9c37e8e515 Move the doc build readme to contributing.txt 2015-12-12 20:09:59 -06:00
scottsievert 3f3b705ebd fixes import, tuple addition 2015-12-12 19:26:10 -06:00
Juan Nunez-Iglesias 8b0d5113eb Merge pull request #1818 from blink1073/improve_downcast 
Add support for casting from 64bit integers and use smart downcast
 2015-12-13 10:54:39 +11:00
Juan Nunez-Iglesias 5eaf2010df Merge pull request #953 from syedTabish/Issue949 
Update integral image to support nD images
 2015-12-13 10:53:09 +11:00
Steven Silvester 4e00d45f68 Improve warning message 2015-12-12 17:07:36 -06:00
Steven Silvester f3965885e8 Fix failing test 2015-12-12 16:42:54 -06:00
Steven Silvester be7161d350 Add debug print 2015-12-12 16:20:26 -06:00
Steven Silvester a6f4419da4 Update failing tests 2015-12-12 14:20:38 -06:00
Steven Silvester f8d19ae7f0 Allow 64bit integer conversions and direct downcast 2015-12-12 13:40:32 -06:00
Julius Bier Kirkegaard fb9e9e6f7a Merge pull request #2 from emmanuelle/active-contour-model 
Avoids crash of active contour example when run with old scipy version
 2015-12-12 15:40:51 +00:00
emmanuelle 15d09f91b8 Avoids crash of active contour example when run with old scipy version 2015-12-12 16:14:17 +01:00