History

Version 1.4.3 (Oct 3 2016)

  • Fix distribution (add missing README.md file)

Version 1.4.2 (Oct 2 2016)

  • Fix resize\_to return exactly the requested size
  • Fix hard crash when computing texture on arrays with negative values (issue #72)
  • Added distance argument to haralick features (pull request #76, by Guillaume Lemaitre)

Version 1.4.1 (Dec 20 2015)

  • Add filter_labeled function
  • Fix tests on 32 bit platforms and older versions of numpy

Version 1.4.0 (July 8 2015)

  • Added mahotas-features.py script
  • Add short argument to citation() function
  • Add max_iter argument to thin() function
  • Fixed labeled.bbox when there is no background (issue #61, reported by Daniel Haehn)
  • bbox now allows dimensions greater than 2 (including when using the as_slice and border arguments)
  • Extended croptobbox for dimensions greater than 2
  • Added use_x_minus_y_variance option to haralick features
  • Add function lbp_names

Version 1.3.0 (April 28 2015)

  • Improve memory handling in freeimage.write_multipage
  • Fix moments parameter swap
  • Add labeled.bbox function
  • Add return_mean and return_mean_ptp arguments to haralick function
  • Add difference of Gaussians filter (by Jianyu Wang)
  • Add Laplacian filter (by Jianyu Wang)
  • Fix crash in median_filter when mismatched arguments are passed
  • Fix gaussian_filter1d for ndim > 2

Version 1.2.4 (December 23 2014)

  • Add PIL based IO

Version 1.2.3 (November 8 2014)

  • Export mean_filter at top level
  • Fix to Zernike moments computation (reported by Sergey Demurin)
  • Fix compilation in platforms without npy_float128 (patch by Gabi Davar)

Version 1.2.2 (October 19 2014)

  • Add minlength argument to labeled_sum
  • Generalize regmax/regmin to work with floating point images
  • Allow floating point inputs to cwatershed()
  • Correctly check for float16 & float128 inputs
  • Make sobel into a pure function (i.e., do not normalize its input)
  • Fix sobel filtering

Version 1.2.1 (July 21 2014)

  • Explicitly set numpy.include_dirs() in setup.py [patch by Andrew Stromnov]

Version 1.2 (July 17 2014)

  • Export locmax|locmin at the mahotas namespace level
  • Break away ellipse_axes from eccentricity code as it can be useful on its own
  • Add find() function
  • Add mean_filter() function
  • Fix cwatershed() overflow possibility
  • Make labeled functions more flexible in accepting more types
  • Fix crash in close_holes() with nD images (for n > 2)
  • Remove matplotlibwrap
  • Use standard setuptools for building (instead of numpy.distutils)
  • Add overlay() function

Version 1.1.1 (July 4 2014)

  • Fix crash in close_holes() with nD images (for n > 2)

1.1.0 (February 12 2014)

  • Better error checking
  • Fix interpolation of integer images using order 1
  • Add resize_to & resize_rgb_to
  • Add coveralls coverage
  • Fix SLIC superpixels connectivity
  • Add remove_regions_where function
  • Fix hard crash in convolution
  • Fix axis handling in convolve1d
  • Add normalization to moments calculation

1.0.4 (2013-12-15)

  • Add mahotas.demos.load()
  • Add stretch_rgb() function
  • Add demos to mahotas namespace
  • Fix SLIC superpixels

1.0.3 (2013-10-06)

  • Add border & as_slice arguments to bbox()
  • Better error message in gaussian_filter
  • Allow as_rgb() to take integer arguments
  • Extend distance() to n-dimensions
  • Update to newer Numpy APIs (remove direct access to PyArray members)

1.0.2 (July 10 2013)

  • Fix requirements filename

1.0.1 (July 9 2013)

  • Add lbp_transform() function
  • Add rgb2sepia function
  • Add mahotas.demos.nuclear_image() function
  • Work around matplotlib.imsave’s implementation of greyscale
  • Fix Haralick bug (report & patch by Tony S Yu)
  • Add count_binary1s() function

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

Version .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