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Matlab GUI for single R2*/T2* mapping with multi-echo GRE data

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R2 star mapping

Introduction

Welcome to R2starmapping. R2starmapping is a tool providing a graphical user interface for R2* (1/T2*) mapping from multi-echo GRE data in Matlab.

The aim of this toolbox is to provide and simplify the usage of different R2* mapping algorithms.

This toolbox is freely available for educational and research purposes.

If you have any question/suggestion regarding this toolbox, please free feel to contact me by [email protected].

Kwok

Installation

To use R2starmapping , just add the directory containing r2starGUI.m to your MATLAB PATH.

This can be done by: 'Set Path' -> 'Add Folder' -> /your/r2starmapping/directory/ -> 'Save'

or with MATLAB's command: addpath('/your/r2starmapping/directory/')

After that, you can start the GUI by entering r2starGUI in the MATLAB's command window.

Input data format

R2starmapping requires 4D NIfTI multi-echo GRE data (.nii and .nii.gz). To provide echo time (TE) information, R2starmapping accepts MAT file with variable named 'TE', which contains 1D array of all TEs related to the data (unit of second). You can also use the text file generated by MRIConvert as the TE file input. Alternatively, you can manually enter the TEs in the field provided in the GUI.

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Matlab GUI for single R2*/T2* mapping with multi-echo GRE data

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