Abstract #4553

Combination of ESPIRiT and back-projection reconstruction for 3D MR fingerprinting within 2.5 minutes

Xiaozhi Cao¹, Qing Li¹, Huihui Ye^1,2, Hongjian He¹, and Jianhui Zhong^1,3

¹Center for Brain Imaging Science and Technology, Department of Biomedical Engineering, Key Laboratory for Biomedical Engineering of Ministry of Education, Zhejiang University, Hangzhou, China, ²State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, China, ³Department of Imaging Sciences, University of Rochester, Rochester, NY, United States

A spiral projection acquisition scheme was implemented for 3D MR fingerprinting to achieve isotropic resolution of 1x1x1 mm³ in whole brain T1 and T2 mapping within 2.5 minutes by using efficient L1SPIRiT reconstruction (ESPIRiT) and back-projection reconstruction.

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