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Simulation of tagged MR images with linear tetrahedral solid elements
Author(s) -
Truscott Kent J.,
Buonocore Michael H.
Publication year - 2001
Publication title -
journal of magnetic resonance imaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.563
H-Index - 160
eISSN - 1522-2586
pISSN - 1053-1807
DOI - 10.1002/jmri.1191
Subject(s) - tetrahedron , computer science , fourier transform , vertex (graph theory) , signal (programming language) , algorithm , fourier analysis , nuclear magnetic resonance , physics , mathematical analysis , geometry , mathematics , theoretical computer science , graph , programming language
Computer simulation of tagged magnetic resonance (MR) images is presented using signals derived from connected solid triangular or tetrahedral elements. Simulation provides precisely‐known deformations for validating tag quantification algorithms. MR imaging signal is derived by Fourier‐transforming over a standard element, then mapping to actual elements via transformations. Linear intensity variations over the element are interpolated from vertex intensities determined by tag calculations. J. Magn. Reson. Imaging 2001;14:336–340. © 2001 Wiley‐Liss, Inc.