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*See note at bottom of the page |
C. Pierpaoli, L. Walker, M. O. Irfanoglu, A. Barnett, P. Basser, L-C. Chang, C. Koay, S. Pajevic, G. Rohde, J. Sarlls, and M. Wu, 2010, TORTOISE: an integrated software package for processing of diffusion MRI data, ISMRM 18th annual meeting, Stockholm, Sweden, #1597 (click here to download a pdf copy)
Click here for version update information.
The TORTOISE software package is for processing diffusion MRI data, and it contains two main modules, DIFF_PREP and DIFF_CALC.
- DIFF_PREP - software for image resampling, motion, eddy current distortion and susceptibility induced EPI distortion corrections, and for re-orientation of data to a common space
- DIFF_CALC - software for tensor fitting, error analysis, color map visualization and ROI analysis
For details on getting started, visit our Quick Start Guide.
 | To download the software, please visit the TORTOISE DOWNLOAD page |
Some common questions and answers about our software packages are listed in the FAQ.
Why TORTOISE? Our software is not for rabbit type people; if you need to process diffusion data at the scanner console you do not want to use our software.
Why obsessive? We have realized that DTI is a wonderful quantitative technique which is unfortunately susceptible to all sorts of artifacts and confounds. We spent a lot of time trying to obtain reliable DTI measurements, which has made ourselves and our software a little obsessive. Why indolent? Our emphasis has been on developing conceptually rigorous routines more than optimizing the speed and user-friendliness of the software.
If you are interested in contributing to these wiki pages, please contact us in order to create an account for you.
*This picture is adapted from an image we downloaded from the web. We would like to give credit to the original author(s) who we have been unable to identify. Please contact us at tortoisesupport@mail.nih.gov if you know the origins of this picture.
