569-02-002 ISMRM Abstract

Robustness of Golden-Angle Compressed Sensing with Temporal Total Variation (tTV) Reconstruction for MRgPTS Implementation

Primary: Interventional - MR-Guided Interventions

Secondary: Acquisition & Reconstruction - Artifacts and Correction Strategies

569-02-002 · Novel Pulse Sequences and Reconstruction Strategies · Wednesday, 13 May, 9:15 AM–10:10 AM · Digital Posters Row J

Keywords: MR-Guided Interventions Golden angle sampling Compressed Sensing MRI

Accepted

Naohiro Yagyu ¹, Keito Nagayama¹, Nagaaki Kamiguchi², Tomoyuki Haishi^1,3, Yasuhiko Terada¹

¹Graduate School of Science and Technology, The University of Tsukuba, Tsukuba, Japan

²Sumitomo Heavy Industries Ltd. Technology Research Institute, Japan

³Department of Radiological Sciences, International University of Health and Welfare, Narita, Japan

Presenting Author: Naohiro Yagyu

Synopsis

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References

1. Feng L, Grimm R, Block KT, et al. Golden-angle radial sparse parallel MRI: Combination of compressed sensing, parallel imaging, and golden-angle radial sampling for fast and flexible dynamic volumetric MRI. Magn Reson Med. 2014;72(3):707-717. doi:https://doi.org/10.1002/mrm.24980 [doi]

2. Winkel D, Bol GH, Kroon PS, et al. Adaptive radiotherapy: The Elekta Unity MR-linac concept. Clin Transl Radiat Oncol. 2019;18:54-59. doi:10.1016/j.ctro.2019.04.001 [doi]

3. Hoffmann A, Oborn B, Moteabbed M, et al. MR-guided proton therapy: a review and a preview. Radiat Oncol Lond Engl. 2020;15(1):129. doi:10.1186/s13014-020-01571-x [doi]

4. Gantz S, Hietschold V, Hoffmann AL. Characterization of magnetic interference and image artefacts during simultaneous in-beam MR imaging and proton pencil beam scanning. Phys Med Biol. 2020;65(21):215014. doi:10.1088/1361-6560/abb16f [doi]

5. Paul K, Dorsch S, Elter A, et al. Online MR-guided proton and ion beam radiotherapy: investigation of image quality. Phys Med Biol. 2024;69(18). doi:10.1088/1361-6560/ad7453 [doi]

6. Rosenzweig S, Holme HCM, Uecker M. Simple auto‐calibrated gradient delay estimation from few spokes using Radial Intersections (RING). Magn Reson Med. 2019;81(3):1898-1906. doi:10.1002/mrm.27506 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/569-02-002