coreMRI.com simulation platform

coreMRI.comFor more advanced MR simulations, please consider using the coreMRI.com platform. coreMRI provides GPU-based simulations on the cloud with neither upfront investment for purchasing advanced computer systems nor technical programming expertise.

Visit coreMRI.com and upon registration use the promo code #MRISIMUL so as to gain access to the highly-tuned performance of the latest GPUs on the cloud.

Motion models

MRISIMUL utilizes three different motion models: respiratory motion, heart motion and blood flow. For simulating heart motion, a mathematical model of myocardial deformation was applied on a cylinder and spatial modulation of magnetization (1-1 SPAMM)* was introduced upon detection of the R-wave in a CINE pulse sequence with 100 phases and 1 vps (views per segment). The result of this simulation is shown in the following video:

*SPAMM RF pulses: 45 degrees, three-lobe sinc pulse, 3msec duration
FOV: 360mm x 270mm
kspace: 256 x 256

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ACKNOWLEDGMENTS

This project is funded by the European Research Council (PIRG06-GA-2009-256569 FP7 MARIE CURIE IRG). Two NVIDIA Tesla C2070 GPU computing cards were donated from NVIDIA through the “Professor Partnership” program. The University of Thessaly funded hardware for this project. The United States National Library of Medicine (Bethesda, MD) for the Visible Human Project (VHP) dataset.