期刊
MAGNETIC RESONANCE IMAGING
卷 52, 期 -, 页码 9-15出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.mri.2018.03.008
关键词
Pulseq; Graphical Programming Interface; Open source pulse sequence design and rapid prototyping; Vendor neutral pulse sequence programming tools; MR method development tools; Python Pulseq
资金
- Ministry of Electronics and Information Technology, National Mission on Indigenous MRI 1(15)/2014-ME&HI, Department of Science and Technology (DST) [DST/TSG/NTS/2013/100-G, DST/VGST/KFIST/LII/GRD333]
Purpose: To provide a single open-source platform for comprehensive MR algorithm development inclusive of simulations, pulse sequence design and deployment, reconstruction, and image analysis. Methods: We integrated the Pulseq platform for vendor-independent pulse programming with Graphical Programming Interface (GPI), a scientific development environment based on Python. Our integrated platform, Pulseq-GPI, permits sequences to be defined visually and exported to the Pulseq file format for execution on an MR scanner. For comparison, Pulseq files using either MATLAB only (MATLAB-Pulseq) or Python only (Python-Pulseq) were generated. We demonstrated three fundamental sequences on a 1.5 T scanner. Execution times of the three variants of implementation were compared on two operating systems. Results: In vitro phantom images indicate equivalence with the vendor supplied implementations and MATLAB-Pulseq. The examples demonstrated in this work illustrate the unifying capability of Pulseq-GPI. The execution times of all the three implementations were fast (a few seconds). The software is capable of user-interface based development and/or command line programming. Conclusion: The tool demonstrated here, Pulseq-GPI, integrates the open-source simulation, reconstruction and analysis capabilities of GPI Lab with the pulse sequence design and deployment features of Pulseq. Current and future work includes providing an ISMRMRD interface and incorporating Specific Absorption Ratio and Peripheral Nerve Stimulation computations.
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