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Dynamic magnetic resonance imaging method based on golden-ratio cartesian sampling and compressed sensing

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  • Shuo Li
  • Yanchun Zhu
  • Yaoqin Xie
  • Song Gao

Abstract

Dynamic magnetic resonance imaging (DMRI) is used to noninvasively trace the movements of organs and the process of drug delivery. The results can provide quantitative or semiquantitative pathology-related parameters, thus giving DMRI great potential for clinical applications. However, conventional DMRI techniques suffer from low temporal resolution and long scan time owing to the limitations of the k-space sampling scheme and image reconstruction algorithm. In this paper, we propose a novel DMRI sampling scheme based on a golden-ratio Cartesian trajectory in combination with a compressed sensing reconstruction algorithm. The results of two simulation experiments, designed according to the two major DMRI techniques, showed that the proposed method can improve the temporal resolution and shorten the scan time and provide high-quality reconstructed images.

Suggested Citation

  • Shuo Li & Yanchun Zhu & Yaoqin Xie & Song Gao, 2018. "Dynamic magnetic resonance imaging method based on golden-ratio cartesian sampling and compressed sensing," PLOS ONE, Public Library of Science, vol. 13(1), pages 1-11, January.
    • Handle: RePEc:plo:pone00:0191569
    DOI: 10.1371/journal.pone.0191569
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