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A Computer Simulation Program for Mr Imaging: Application to Rf and Static Magnetic Field Imperfections by Magnus B. E. Olsson; Ronnie Wirestam; Bertil R. R. Persson is a Medicine article available to read on EtoBox.

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## Abstract A computer simulation program capable of demonstrating various artifacts, such as image distortion caused by metallic implants in MR imaging, is presented. The structure of the program allows for the implementation of various imaging situations as long as spins only experience weak interaction, i.e., the Bloch equations are obeyed. The raw data are obtained by repeatedly applying the Bloch equations to the magnetization vector of each point of the simulated object, throughout the pulse sequence. With only a limited number of spins in each voxel, the effects of intravoxel dephasing and rephasing require special attention, and algorithms for this have been implemented.

Who reads A Computer Simulation Program for Mr Imaging: Application to Rf and Static Magnetic Field Imperfections?

Author

Magnus B. E. Olsson; Ronnie Wirestam; Bertil R. R. Persson

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0740-3194)

Published

1995

Language

EN

Field

Medicine (Health Sciences)