Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
667-01-010 ISMRM Abstract

Assessment of singular value thresholds for SVD-based denoising for diffusion-weighted imaging on a 0.35 T MRI-guided linacs

Primary: Diffusion - DWI/DTI/DKI
Secondary: Brain Function and fMRI - fMRI Analysis
667-01-010 · Innovations in Diffusion MRI: Systems, Sequences, and Protocol Design · Thursday, 14 May, 8:30 AM–9:25 AM · Digital Posters Row H
Keywords: Diffusion-Weighted Imaging Singular value decomposition SNR ADC Low-field MR linac
Accepted
Shiva Bhandari 1, Yue Yan1, Tess Armstrong2, Conner Ubert3, Gage Redler2, Benjamin B Williams1, David J Gladstone1, Joseph Weygand1
1Department of Radiation Oncology and Applied Sciences, Dartmouth Hitchcock Medical Center, Lebanon, United States of America
2Radiation Oncolgy, H. Lee Moffitt Cancer Center, Tampa, United States of America
3Thayer School of Engineering, Dartmouth College, Hanover, United States of America
Presenting Author: Shiva Bhandari

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References

1. White NS, McDonald CR, Farid N, Kuperman J, Karow D, Schenker-Ahmed NM, Bartsch H, Rakow-Penner R, Holland D, Shabaik A, Bjørnerud A. Diffusion-weighted imaging in cancer: physical foundations and applications of restriction spectrum imaging. Cancer research. 2014 Sep 1;74(17):4638-52. doi: 10.1158/0008-5472.CAN-13-3534 [doi]
2. Klüter, S., 2019. Technical design and concept of a 0.35 T MR-Linac. Clinical and translational radiation oncology, 18, pp.98-101. https://doi.org/10.1016/j.ctro.2019.04.007 [doi]
3. Lyra-Leite DM, da Costa JP, de Carvalho JL. Improved MRI reconstruction and denoising using SVD-based low-rank approximation. In2012 Workshop On engineering applications 2012 May 2 (pp. 1-6). IEEE.DOI:10.1109/WEA.2012.6220082 [doi]
4. Weygand J, Armstrong T, Bryant JM, Andreozzi JM, Oraiqat IM, Nichols S, Liveringhouse CL, Latifi K, Yamoah K, Costello JR, Frakes JM. Accurate, repeatable, and geometrically precise diffusion-weighted imaging on a 0.35 T magnetic resonance imaging-guided linear accelerator. Physics and imaging in radiation oncology. 2023 Oct 1;28:100505.https://doi.org/10.1016/j.phro.2023.100505 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/667-01-010