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Título
Optimal design of motion-compensated diffusion gradient waveforms
Autor
Congreso
ISMRM 2017
Año del Documento
2017
Resumo
Diffusion-Weighted MRI (DW-MRI) often suffers from motion-related artifacts in organs that experience physiological motion. Importantly, organ motion during the application of diffusion gradients results in signal losses, which complicate image interpretation and bias quantitative measures. Motion-compensated gradient designs have been proposed, however they typically result in substantially lower b-values or severe concomitant gradient effects. In this work, we develop an approach for design of first- and second-order motion-compensated gradient waveforms based on a b-value maximization formulation including concomitant gradient nulling, and we compare it to existing techniques. The proposed design provides optimized b-values with motion compensation and concomitant gradient nulling
Idioma
eng
Derechos
openAccess
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Exceto quando indicado o contrário, a licença deste item é descrito como Attribution 4.0 International