Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
451-01-007 / 451-01-007 ISMRM Abstract

Pre-optimized Universal Encoding Matrix for Robust Multi-Channel B1+ Mapping in Ultra-High Field Magnetic Resonance Imaging

Primary: Physics & Engineering - Parallel Transmit & Multiband
Secondary: Physics & Engineering - High-Field MRI
451-01-007 · Parallel Transmission at High Fields · Tuesday, 12 May, 8:20 AM–9:56 AM · Power Pitch Theatre 1
451-01-007 · Parallel Transmission at High Fields · Tuesday, 12 May, 8:20 AM–9:56 AM · Power Pitch Theatre 1
Keywords: B1 Mapping 5T MRI Parallel Transmit Robust Correction Performance
Accepted
Yurun Ouyang 1,2, Nan Li1,2, Feng Du1,2, Zhuoyang Lin1,2, Zhiguang Mo1,2, Tongtong Chen1,2, Xiaoliang Zhang3, Yining Wang4, Ye Li1,2
1Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
2Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, China
3Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, United States of America
4Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
Presenting Author: Yurun Ouyang

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References

1. S. Williams, P. McElhinney, S. Gunamony et al., “Ultra-high field MRI:parallel-transmit arrays and RF pulse design,” Physics in Medicine & Biology, vol. 68, 2023.
2. L. Kent, I. Dragonu, L. Valkovic et al., “Rapid 3D absolute B1+ mapping using a sandwiched train presaturated Turbo FLASH sequence at 7 T for the brain and heart,” Magnetic Resonance in Medicine, vol. 89, pp. 964–976, 2023.
3. D. H. Tse, M. S. Poole, A. W. Magill, J. Felder, D. Brenner, and N. J. Shah, “Encoding methods for B1+ mapping in parallel transmit systems at ultra high field,” Journal of Magnetic Resonance, vol. 245, pp. 125– 132, 2014.
4. S. J. Malik, D. J. Larkman, and J. V. Hajnal, “Optimal linear combinations of array elements for B1 mapping,” Magnetic Resonance in Medicine, vol. 62, no. 4, pp. 902–909, 2009.
5. Chung, S., Kim, D., Breton, E., Axel, L.: 'Rapid B1+ mapping using a preconditioning RF pulse with TurboFLASH readout', Magn. Reson. Med., 2010, 64, (2), pp. 439–446
6. F. Knoll et al., “Deep-learning methods for parallel magnetic resonance imaging reconstruction: a survey of the current approaches, trends, and issues,” IEEE Signal Processing Magazine, vol. 37, no. 1, pp. 128–140, Jan. 2020.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/451-01-007