461-02-009 ISMRM Abstract

Rigid Head Motion Estimation from Ultra-Short Lissajous Navigators at 7T using Geometric Deep Learning

Primary: Acquisition & Reconstruction - Motion Correction: Neuro

Secondary: Acquisition & Reconstruction - AI methods

461-02-009 · AI To Make Protocols, Plan, QC, and Correct Motion · Tuesday, 12 May, 9:15 AM–10:10 AM · Digital Posters Row B

Keywords: Navigators Motion Tracking Deep learning-based

Accepted

Stanislav Motyka ^1,2,3, Bernhard Strasser², Lukas Hingerl², Aaron P Osburg², Hauke Fischer², Georg Langs^2,4, Wolfgang Bogner^3,5,6

¹High Field MR Centre, Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria

²Medical University of Vienna, Vienna, Austria

³Christian Doppler Laboratory for MR Imaging Biomarkers (BIOMAK), Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria

⁴Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria

⁵High Field MR Center, Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria

⁶Comprehensive Center for Artificial Intelligence in Medicine, Medical University of Vienna, Vienna, Austria

Presenting Author: Stanislav Motyka

Synopsis

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References

1. Andronesi O C, Bhattacharyya P K, Bogner W, Choi I-Y, Hess A T, Lee P, Meintjes E M, Tisdall M D, Zaitzev M, van der Kouwe A. Motion correction methods for MRS: Experts’ consensus recommendations. NMR Biomed. 2021 May;34(5):e4364. doi:10.1002/nbm.4364. [doi]

2. Zaitsev M, Maclaren J, Herbst M. Motion artefacts in MRI: a complex problem with many partial solutions. J Magn Reson Imaging. 2015 Jan;42(4):887-901. doi:10.1002/jmri.24997. [doi]

3. Buschbeck RP, Yun SD, Shah N, et al. 3D rigid-body motion information from spherical Lissajous navigators at small k-space radii: a proof of concept. Magn Reson Med. 2019 Oct;82(4):1462-1470. doi:10.1002/mrm.27796. [doi]

4. Hingerl L, Strasser B, Moser P, Hangel G, Motyka S, Hecková E, Gruber S, Trattnig S, Bogner W. Clinical high-resolution 3D-MR spectroscopic imaging of the human brain at 7 T. Invest Radiol. 2020 Apr;55(4):239-248. doi:10.1097/RLI.0000000000000626. [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/461-02-009