Abstract #3198

Parameter Dependency in Modular MR Sequences using Directed Graphs

Cristoffer Cordes¹, Thorsten Honroth¹, Daniel Hoinkiss¹, Saulius Archipovas¹, David Porter¹, and Matthias Günther^1,2

¹Fraunhofer MEVIS, Bremen, Germany, ²University of Bremen, Bremen, Germany

The interactions of MRI sequence components within complex techniques are hard to explain, grasp and extend using common modularity approaches. This results in poor developability and calculation efficiency. The proposed algorithm yields a new sequence description approach that resolves the component parameter dependencies and enables the calculation of arbitrary module parameters using the least amount of calculation steps. The algorithm has been used on a twice-refocused, spin-echo diffusion MRI sequence to simplify its description and boost the calculation of critical parameters during sequence preparation calculation.

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