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Abstract #1509

GPU optimized fast Bloch simulator for arbitrary MRI pulse sequences

Ryoichi Kose1 and Katsumi Kose2

1MRTechnology, Inc., Tsukuba, Japan, 2University of Tsukuba, Tsukuba, Japan

A GPU optimized fast Bloch simulator was developed for arbitrary pulse sequence inputs. The simulator was applied to multi-slice imaging using 256×256×512 calculation matrix. As a result, we found that the number of short pulses used to approximate the selective excitation pulse and the number of subvoxels used for imaging in the cross-sectional plane were essential to simulation speed.

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