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Abstract #1965

Python-Based Console for Research/Metrology MRI Scanners

Stephen E Russek1, Karl F Stupic1, Kathryn E Keenan1, Stephen E. Ogier1, Emily B Buchanan1,2, and Earl Emery3
1NIST, Boulder, CO, United States, 2Advanced Imaging Research Center, University of Texas Southwestern Medical Center, Dallas, TX, United States, 3Tecmag, Houston, TX, United States

Synopsis

Keywords: Software Tools, Software Tools, qMRI

Motivation: There is limited availability of open MRI control software for research scanners. Access to RF calibrations, shims, eddy-current-compensation; modification of RF/gradient waveforms; and nonstandard pulse sequence modifications is often difficult.

Goal(s): Develop open research-friendly MRI control software that integrates non-MRI hardware control and seamlessly integrates with Python image analysis.

Approach: A Python console wrapper was built on Tecmag TNMR to control a 3T preclinical scanner. A library of standard imaging sequences was constructed to run high-dimensional acquisitions for qMRI.

Results: The Python code provided simple but comprehensive control of a preclinical research scanner with capabilities exceeding the original, now defunct, Java-based system.

Impact: The open Python console wrapper will allow easier development of new pulse sequences, assessment of MRI-measurement biases, better integration of the scanner with other required hardware, and provide a simple path to Python-based image processing.

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Keywords