SimpleITK: a simplified layer build on top of the Insight Toolkit (ITK), intended to facilitate its use in rapid prototyping, education and interpreted languages.
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Latest commit 34c6e75 Feb 24, 2017 @blowekamp blowekamp committed with kwrobot Merge topic 'UseCMakeTargetProperties'
e6eaab0 Add missing EXPORTS define to BasicFilters1 library
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.ExternalData Create separate source and data tar-balls for distribution. Jun 10, 2015
CMake Merge topic 'DeprecateSITKCMakeOptionPrefix' Feb 24, 2017
Code Merge topic 'UseCMakeTargetProperties' Feb 24, 2017
Documentation disable imgmath due to compatibility issues with readthedocs Feb 16, 2017
Examples Remove required flags and replace with compile options property Feb 22, 2017
ExpandTemplateGenerator Merge topic 'RefactorExpandTemplate' Dec 21, 2016
SuperBuild Merge topic 'DeprecateSITKCMakeOptionPrefix' Feb 24, 2017
Testing Merge topic 'DeprecateSITKCMakeOptionPrefix' Feb 24, 2017
Utilities Removed font from Doxygen Feb 23, 2017
Wrapping Prefer SimpleITK over SIMPLEITK for CMake variables Feb 22, 2017
.gitattributes Modify git attributes to allow big swig dot i files Dec 17, 2012
.gitignore Adding initially configured Sphinx documentation Feb 16, 2017
.hooks-config.bash ENH: Simplify local Git hook chaining Feb 13, 2012
.travis.yml Initial checkin of .travis.yml Sep 1, 2016
CMakeLists.txt Merge topic 'DeprecateSITKCMakeOptionPrefix' Feb 24, 2017
CTestConfig.cmake Updating Dash info Jun 21, 2014
LICENSE ENH: Adding the Apache license. Nov 25, 2010
NOTICE Updating copyright years in notice. Feb 5, 2013 Adding CircleCi badge for master branch. Aug 20, 2016 Remove required flags and replace with compile options property Feb 22, 2017 Require SimpleITK major version to match for compatible version Apr 8, 2014 Remove required flags and replace with compile options property Feb 22, 2017
Version.cmake The next release of SimpleITK will be 1.0 Jan 25, 2017
circle.yml Migrate CMake options from SITK_ prefix to SimpleITK_ Feb 22, 2017



SimpleITK is an image analysis toolkit with a large number of components supporting general filtering operations, image segmentation and registration. It is built on top of the Insight Segmentation and Registration Toolkit ITK with the intent of providing a simplified interface to ITK. SimpleITK itself is written in C++ but is available for a large number of programming languages. Currently these include:

Wrapping of the C++ code is accomplished through SWIG, in principle, any language wrapped by SWIG should be applicable to SimpleITK.

Unlike ITK's support of n-dimensional spatio-temporal images, SimpleITK supports 2D, 3D and optionally 3D+time. The dimensionality refers to spatio-temporal dimensions, the voxels can be n-dimensional vectors.

SimpleITK is licensed under the Apache License in the same way as ITK.


SimpleITK uses the Git distributed version control system. The main repository is hosted on and mirrored to Github. There are two main branches, master and next. The "master" is a stable branch of the code, and suitable for most users, while "next" contains future features that are unlikely to be stable.

The SimpleITK Wiki is the main site for all things SimpleITK. The site includes information on installing the toolkit's binary distributions, building the toolkit, user support documentation and much more. The API documentation is maintained using Doxygen.

SimpleITK provides access to most of the ITK components, but not all. If you are looking for something specific and can't find it, ask for support on the mailing list (you will need to subscribe to the mailing list before you post).