[R-pkgs] Significant updates to medical imaging packages: TractoR and RNiftyReg

From: Jon Clayden <jon.clayden_at_gmail.com>
Date: Wed, 11 Apr 2012 23:22:54 +0100

Dear all,

There have been some recent major updates to the TractoR and RNiftyReg packages, which are available for medical image analysis applications. If you use R for these purposes, I hope you will find the updates useful.

RNiftyReg is an image registration package, which provides a clean R-like interface to the NiftyReg library developed at University College London [1]. It is aimed at medical image registration, but could be applied to 2D or 3D coalignment of images of any type. RNiftyReg version 0.6 adds an interface to the NiftyReg nonlinear registration tool "f3d", which performs fast freeform deformation-based registration based on a grid of control points. This is a fast implementation, which can perform 3D registration in under a minute for some medical images. The package is on CRAN, and development is coordinated through GitHub [2].

TractoR is a larger project for medical image analysis, particularly with magnetic resonance images [3]. It provides tools for reading, writing, visualising, manipulating and processing MR images in R. The tractor.base package is on CRAN, and forms the backbone of the project. Significant additions to this package in the 2.x series of releases include:

The full TractoR distribution includes four other R packages, each somewhat more specialised than tractor.base, as well as a flexible command-line interface which can be used to perform common tasks quickly. Details can be found in a recent JSS paper on TractoR [4].

All the best,

[1] http://sourceforge.net/projects/niftyreg/
[2] https://github.com/jonclayden/RNiftyReg
[3] http://www.tractor-mri.org.uk
[4] http://www.jstatsoft.org/v44/i08/

Jonathan D Clayden, PhD
Lecturer in Neuroimaging and Biophysics
Imaging and Biophysics Unit
UCL Institute of Child Health
30 Guilford Street
United Kingdom

t | +44 (0)20 7905 2708
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w | www.homepages.ucl.ac.uk/~sejjjd2/
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