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Abstract #2355

Comparison of GRAPPA, SPIRiT and ESPIRiT for the Acceleration of Model-based PRF Temperature Mapping

Yuxin Hu 1 , Feiyu Chen 1 , Dan Zhu 1 , Chenguang Peng 2 , Shi Wang 2 , and Kui Ying 2

1 Department of Biomedical Engineering, Tsinghua University, Beijing, China, 2 Department of Engineering Physics, Tsinghua University, Beijing, China

We validate the feasibility of currently-used parallel imaging methods (GRAPPA, SPIRiT and ESPIRiT) for the reconstruction of temperature maps using model-based PRF methods. All of GRAPPA, SPIRiT and ESPIRiT result in temperature errors lower than 2 and ESPIRiT has the best temperature accuracy with a value of 1.55 at a reduction factor of 4.

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