569-03-012 ISMRM Abstract

Non-Cartesian Super-resolution with Homodyne Partial Fourier Reconstruction

Primary: Acquisition & Reconstruction - Pulse Sequence Design and Spatial Encoding Methods

Secondary: Acquisition & Reconstruction - Non-AI methods

569-03-012 · Super-Resolving MRI: Methods and Applications · Wednesday, 13 May, 1:40 PM–2:35 PM · Digital Posters Row J

Keywords: Non-cartesian Super-resolution SSFP NUFFT Partial Fourier

Accepted

Haneefah A Brnawi ^1,2, Michael Mendoza¹, Neal K Bangerter^1,2,3, Peter J Lally^1,2,4

¹Department of Bioengineering, Imperial College London, London, United Kingdom

²London Collaborative Ultra high field System (LoCUS), London, United Kingdom

³Department of Electrical and Computer Engineering, Boise State University, ID, United States of America

⁴Centre for Care Research and Technology, UK Dementia Research Institute, London, United Kingdom

Presenting Author: Haneefah A Brnawi

Synopsis

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References

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2. P. J. Lally, P. M. Matthews, and N. K. Bangerter, "Unbalanced SSFP for super-resolution in MRI," Magnetic Resonance in Medicine, vol. 85, no. 5, pp. 2477-2489, 2021. https://doi.org/10.1002/mrm.28593. [doi]

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5. D. C. Noll, D. G. Nishimura, and A. Macovski, "Homodyne detection in magnetic resonance imaging," IEEE Trans. Med. Imag., vol. 10, no. 2, pp. 154–163, Jun. 1991. DOI: 10.1109/42.79473 [doi]

6. E. M. Haacke, E. D. Lindskogj, and W. Lin, "A fast, iterative, partial-Fourier technique capable of local phase recovery," J. Magn. Reson., vol. 92, no. 1, pp. 126–145, 1991. https://doi.org/10.1016/0022-2364(91)90253-P. [doi]

7. A. Abche, F. Yaacoub, and E. Karam, "Partial k-space MRI reconstruction using a modified Homodyne approach," in Proc. Signal Process. Algorithms, Archit., Arrangements, Appl. (SPA), 2010, pp. 56–61.

8. S. Tao, Y. Shu, J. D. Trzasko, J. Huston, and M. A. Bernstein, "Partial fourier shells trajectory for non-cartesian MRI," Phys. Med. Biol., vol. 64, no. 4, p. 04NT01, 2019. DOI 10.1088/1361-6560/aafcc5. [doi]

9. K. Scheffler and S. Lehnhardt, "Principles and applications of balanced SSFP techniques," European Radiology, vol. 13, pp. 2409-2418, 2003. https://doi.org/10.1007/s00330-003-1957-x. [doi]

10. Y. Zur, M. L. Wood, and L. J. Neuringer, "Motion-insensitive, steady-state free precession imaging," Magnetic Resonance in Medicine, vol. 16, no. 3, pp. 444-459, 1990. https://doi.org/10.1002/mrm.1910160311. [doi]

11. M. Weigel, "Extended phase graphs: dephasing, RF pulses, and echoes—pure and simple," Journal of Magnetic Resonance Imaging, vol. 41, no. 2, pp. 266-295, 2015. https://doi.org/10.1002/jmri.24619. [doi]

12. H. A. Brnawi, K. Balaji, S. Kukran, S. E. J. Connor, J. V. Hajnal, N. K. Bangerter, and P. J. Lally, "Boosting SNR for sodium bSSFP imaging," in Proceedings of the Annual Meeting & Exhibition of the International Society for Magnetic Resonance in Medicine, Abstract No. 3035, 2024.

13. J. A. Fessler, Michigan Image Reconstruction Toolbox. 2023. [Online]. Available: http://web.eecs.umich.edu/~fessler/code/index.html

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http://echo.ismrm.org/p/ISMRM2026/569-03-012