History

1.0 (May 21 2013)

• Fix a few corner cases in texture analysis
• Integrate with travis
• Update citation (include DOI)

0.99 (May 4 2013)

• Make matplotlib a soft dependency
• Add demos.image_path() function
• Add citation() function

This version is 1.0 beta.

0.9.8 (April 22 2013)

• Use matplotlib as IO backend (fallback only)
• Compute dense SURF features
• Fix sobel edge filtering (post-processing)
• Faster 1D convultions (including faster Gaussian filtering)
• Location independent tests (run mahotas.tests.run() anywhere)
• Add labeled.is_same_labeling function
• Post filter SLIC for smoother regions
• Fix compilation warnings on several platforms

0.9.7 (February 03 2013)

• Add haralick_features function
• Add out parameter to morph functions which were missing it
• Fix erode() & dilate() with empty structuring elements
• Special case binary erosion/dilation in C-Arrays
• Fix long-standing warning in TAS on zero inputs
• Add verbose argument to tests.run()
• Add circle_se to morph
• Allow loc(max|min) to take floating point inputs
• Add Bernsen local thresholding (bernsen and gbernsen functions)

0.9.6 (December 02 2012)

• Fix distance() of non-boolean images (issue #24 on github)
• Fix encoding issue on PY3 on Mac OS (issue #25 on github)
• Add relabel() function
• Add remove_regions() function in labeled module
• Fix median_filter() on the borders (respect the mode argument)
• Add mahotas.color module for conversion between colour spaces
• Add SLIC Superpixels
• Many improvements to the documentation

0.9.5 (November 05 2012)

• Fix compilation in older G++
• Faster Otsu thresholding
• Python 3 support without 2to3
• Add cdilate function
• Add subm function
• Add tophat transforms (functions tophat_close and tophat_open)
• Add mode argument to euler() (patch by Karol M. Langner)
• Add mode argument to bwperim() & borders() (patch by Karol M. Langner)

0.9.4 (October 10 2012)

• Fix compilation on 32-bit machines (Patch by Christoph Gohlke)

0.9.3 (October 9 2012)

• Fix interpolation (Report by Christoph Gohlke)
• Fix second interpolation bug (Report and patch by Christoph Gohlke)
• Update tests to newer numpy
• Enhanced debug mode (compile with DEBUG=2 in environment)
• Faster morph.dilate()
• Add labeled.labeled_max & labeled.labeled_min (This also led to a refactoring of the labeled_* code)
• Many documentation fixes

0.9.2 (September 1 2012)

• Fix compilation on Mac OS X 10.8 (reported by Davide Cittaro)
• Freeimage fixes on Windows by Christoph Gohlke
• Slightly faster _filter implementaiton

0.9.1 (August 28 2012)

• Python 3 support (you need to use 2to3)
• Haar wavelets (forward and inverse transform)
• Daubechies wavelets (forward and inverse transform)
• Corner case fix in Otsu thresholding
• Add soft_threshold function
• Have polygon.convexhull return an ndarray (instead of a list)
• Memory usage improvements in regmin/regmax/close_holes (first reported as issue #9 by thanasi)

0.9 (July 16 2012)

• Auto-convert integer to double on gaussian_filter (previously, integer values would result in zero-valued outputs).
• Check for integer types in (reg|loc)(max|min)
• Use name out instead of output for output arguments. This matches Numpy better
• Switched to MIT License

0.8.1 (June 6 2012)

• Fix gaussian_filter bug when order argument was used (reported by John Mark

Agosta) - Add morph.cerode - Improve regmax() & regmin(). Rename previous implementations to locmax() & locmin() - Fix erode() on non-contiguous arrays

0.8 (May 7 2012)

• Move features to submodule
• Add morph.open function
• Add morph.regmax & morph.regmin functions
• Add morph.close function
• Fix morph.dilate crash

0.7.3 (March 14 2012)

• Fix installation of test data
• Greyscale erosion & dilation
• Use imread module (if available)
• Add output argument to erode() & dilate()
• Add 14th Haralick feature (patch by MattyG) — currently off by default
• Improved zernike interface (zernike_moments)
• Add remove_bordering to labeled
• Faster implementation of bwperim
• Add roundness shape feature

0.7.2 (February 13 2012)

There were two minor additions:

• Add as_rgb (especially useful for interactive use)
• Add Gaussian filtering (from scipy.ndimage)

And a few bugfixes:

• Fix type bug in 32 bit machines (Bug report by Lech Wiktor Piotrowski)
• Fix convolve1d
• Fix rank_filter

0.7.1 (January 6 2012)

The most important change fixed compilation on Mac OS X

Other changes:

• Add convolve1d
• Check that convolution arguments have right dimensions (instead of crashing)
• Add descriptor_only argument to surf.descriptors
• Specify all function signatures on freeimage.py

For version 0.7 (Dec 5 2011):

The big change was that the dependency on scipy was removed. As part of this process, the interpolate submodule was added. A few important bug fixes as well.

• Allow specification of centre in Zernike moment computation
• Fix Local Binary Patterns
• Remove dependency on scipy
• Add interpolate module (from scipy.ndimage)
• Add labeled_sum & labeled_sizes
• gvoronoi no longer depends on scipy
• mahotas is importable without scipy
• Fix bugs in 2D TAS (reported by Jenn Bakal)
• Support for 1-bit monochrome image loading with freeimage
• Fix GIL handling on errors (reported by Gareth McCaughan)
• Fix freeimage for 64-bit computers

For version 0.6.6 (August 8 2011): - Fix fill_polygon bug (fix by joferkington) - Fix Haralick feature 6 (fix by Rita Simões) - Implement morph.get_structuring_element for ndim > 2. This implies that functions such as label() now also work in multiple dimensions - Add median filter & rank_filter functions - Add template_match function - Refactor by use of mahotas.internal - Better error message for when the compiled modules cannot be loaded - Update contact email. All docs in numpydoc format now.

For version 0.6.5: - Add max_points & descriptor_only arguments to mahotas.surf - Fix haralick for 3-D images (bug report by Rita Simões) - Better error messages - Fix hit&miss for non-boolean inputs - Add label() function

For version 0.6.4:

• Fix bug in cwatershed() when using return_lines=1
• Fix bug in cwatershed() when using equivalent types for image and markers
• Move tests to mahotas.tests and include them in distribution
• Include ChangeLog in distribution
• Fix compilation on the Mac OS
• Fix compilation warnings on gcc

For version 0.6.3:

• Improve mahotas.stretch() function
• Fix corner case in surf (when determinant was zero)
• threshold argument in mahotas.surf
• imreadfromblob() & imsavetoblob() functions
• max_points argument for mahotas.surf.interest_points()
• Add mahotas.labeled.borders function

For version 0.6.2:

Bugfix release:

• Fix memory leak in _surf
• More robust searching for freeimage
• More functions in mahotas.surf() to retrieve intermediate results
• Improve compilation on Windows (patches by Christoph Gohlke)

For version 0.6.1:

• Release the GIL in morphological functions
• Convolution
• just_filter option in edge.sobel()
• mahotas.labeled functions
• SURF local features

For version 0.6:

• Improve Local Binary patterns (faster and better interface)
• Much faster erode() (10x faster)
• Faster dilate() (2x faster)
• TAS for 3D images
• Haralick for 3D images

Support

Website: http://luispedro.org/software/mahotas

API Docs: http://packages.python.org/mahotas/

Mailing List: Use the pythonvision mailing list for questions, bug submissions, etc.