Real-time motion correction in two-dimensional multislice imaging with through-plane navigator

Wei Lin, Tim Nielsen, Qin Qin, Stewart H Mostofsky, Juan Wei, Feng Huang, George R. Duensing

Research output: Contribution to journalArticle

Abstract

Purpose: To develop a new real-time strategy to detect and correct for full three-dimensional rigid-body motion in two-dimensional multislice magnetic resonance imaging scans. Methods: Two through-plane navigator echoes collected on each imaging slice are used to reconstruct two orthogonal through-plane navigator projection images both perpendicular to the imaged slices, within each repetition time. Rotation/translation within each through-plane navigator image plane is detected using a regional image correlation measure that is robust against unaccounted orthogonal rotation and noise. An additional orbital navigator is used to detect rotation within the imaging plane and to reject intrarepetition time motion in real time. Results: The efficacy of the proposed method was demonstrated with in vivo brain studies. Conclusion: The proposed real-time three-dimensional motion correction method does not introduce any additional three-dimensional radiofrequency excitation and does not require any additional hardware.

Original languageEnglish (US)
Pages (from-to)1995-2005
Number of pages11
JournalMagnetic Resonance in Medicine
Volume71
Issue number6
DOIs
StatePublished - 2014

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Noise
Magnetic Resonance Imaging
Brain

Keywords

  • image correlation
  • motion correction
  • navigator
  • prospective motion correction
  • through-plane motion

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Medicine(all)

Cite this

Real-time motion correction in two-dimensional multislice imaging with through-plane navigator. / Lin, Wei; Nielsen, Tim; Qin, Qin; Mostofsky, Stewart H; Wei, Juan; Huang, Feng; Duensing, George R.

In: Magnetic Resonance in Medicine, Vol. 71, No. 6, 2014, p. 1995-2005.

Research output: Contribution to journalArticle

Lin, Wei ; Nielsen, Tim ; Qin, Qin ; Mostofsky, Stewart H ; Wei, Juan ; Huang, Feng ; Duensing, George R. / Real-time motion correction in two-dimensional multislice imaging with through-plane navigator. In: Magnetic Resonance in Medicine. 2014 ; Vol. 71, No. 6. pp. 1995-2005.
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