International Journal on Magnetic Particle Imaging IJMPI
Vol. 11 No. 1 Suppl 1 (2025): Int J Mag Part Imag
https://doi.org/10.18416/IJMPI.2025.2503043

Proceedings Articles

Software Implementation of Greedy Optimized MPS Sequences

Main Article Content

Niklas Hackelberg (1) University Medical Center Hamburg-Eppendorf; 2) Hamburg University of Technology), Justin Ackers (Fraunhofer Research Institution for Individualized and Cell-based Medical Engineering IMTE), Fabian Mohn (1) University Medical Center Hamburg-Eppendorf; 2) Hamburg University of Technology), Tobias Knopp (1) University Medical Center Hamburg-Eppendorf; 2) Hamburg University of Technology; 3) Fraunhofer Research Institution for Individualized and Cell-based Medical Engineering IMTE), Matthias Graeser (1) Fraunhofer Research Institution for Individualized and Cell-based Medical Engineering IMTE; 2) University of Rostock)

Copyright (c) 2025 Niklas Hackelberg, Justin Ackers, Fabian Mohn, Tobias Knopp, Matthias Graeser

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Multi-dimensional magnetic particle spectrometers provide fast and high quality hybrid system matrix measurements, using different DC offsets to emulate the same saturation that magnetic nanoparticles are exposed to in a real scanner. The electrical implementation of these offsets poses signal generation challenges that impact runtime and power dissipation. In this work, we address the challenges of minimizing sign changes of DC sources with H-bridges and efficient offset sorting for arbitrary numbers of offset channels.

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