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Abstract #4227

Performance of Multiple Types of Numerical MR Simulation using MRiLab

Fang Liu 1 , Richard Kijowski 2 , and Wally Block 1,3

1 Department of Medical Physics, University of Wisconsin-Madison, Madison, Wisconsin, United States, 2 Department of Radiology, University of Wisconsin-Madison, Wisconsin, United States, 3 Department of Biomedical Engineering, University of Wisconsin-Madison, madison, Wisconsin, United States

Digital simulation dramatically facilitates the understanding and development of new MR imaging methods. In this work, we optimized and improved our proposed fast 3D parallel numerical MR simulation package 'MRiLab' for incorporating many new challenging simulation features including multiple RF transmitting and receiving, motion simulation, etc. The spin model is also extended to include multiple exchanging spin compartments to create more realistic MR signal for certain types of tissues with, for instance, magnetization transfer (MT) modulation. This abstract was aimed to demonstrate the feasibility of using MRiLab for studying multiple types of MR experiments that remain challenging for numerical simulation.

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