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ITKElastix

image PyPI Version image License Versioned software citation

Overview

Provides an ITK Python interface to elastix, a toolbox for rigid and nonrigid registration of images.

elastix is open source software, based on the well-known Insight Toolkit (ITK). The software consists of a collection of algorithms that are commonly used to solve (medical) image registration problems. The modular design of elastix allows the user to quickly configure, test, and compare different registration methods for a specific application.

Installation

Install cross-platform binary Python packages with:

pip install itk-elastix

Experimental GPU-accelerated packages can be installed on Linux with:

pip install itk-elastix-opencl

Usage

To register two images, traditionally called the fixed image and the moving image:

import itk

fixed_image = itk.imread('path/to/fixed_image.mha')
moving_image = itk.imread('path/to/moving_image.mha')

registered_image, params = itk.elastix_registration_method(fixed_image, moving_image)

Interactive examples and tutorial material can be found in the examples directory. Run the examples in free cloud compute containers on MyBinder. Try out the experimental GPU packages on Paperspace Gradient.

Acknowledgements

The lead developers of elastix are Stefan Klein and Marius Staring.

This software was initially developed at the Image Sciences Institute, under supervision of Josien P.W. Pluim. Today, many have contributed to elastix.

If you use this software anywhere we would appreciate if you cite the following articles:

  • S. Klein, M. Staring, K. Murphy, M.A. Viergever, J.P.W. Pluim, "elastix: a toolbox for intensity based medical image registration," IEEE Transactions on Medical Imaging, vol. 29, no. 1, pp. 196 - 205, January 2010.

  • D.P. Shamonin, E.E. Bron, B.P.F. Lelieveldt, M. Smits, S. Klein and M. Staring, "Fast Parallel Image Registration on CPU and GPU for Diagnostic Classification of Alzheimer's Disease", Frontiers in Neuroinformatics, vol. 7, no. 50, pp. 1-15, January 2014.

This ITK module is based on SimpleElastix, created by Kasper Marstal. For more information, see:

  • Kasper Marstal, Floris Berendsen, Marius Staring and Stefan Klein, "SimpleElastix: A user-friendly, multi-lingual library for medical image registration", International Workshop on Biomedical Image Registration (WBIR), Las Vegas, Nevada, USA, 2016