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Abstract #5081

Electro-Magnetic Property Mapping Using Kalman Filtering with a Single Acquistion at 3.0 T and 7.0 T MRI

Han-Jae Chung1,2, Jong-Min Kim1,2, You-Jin Jeong1,2, Jeong-Hee Kim3, Chulhyun Lee4, and Chang-Hyun Oh1,2

1Electronics and Information Engineering, Korea University, Seoul, Republic of Korea, 2ICT Convergence Technology for Health and Safety, Korea University, Sejong, Republic of Korea, 3Research Institute for Advanced Industrial Technology, Korea University, Sejong, Republic of Korea, 4Korea Basic Science Institute, Cheongju, Chungbuk, Republic of Korea

The phase-based Electro-Magnetic (EM) MR property imaging such as Quantitative Susceptibility Mapping (QSM) and MR Electric Properties Tomography (MREPT) shows great potential clinically. The main post-processing steps in QSM and MREPT are high-pass filtering and Laplacian of MR images. They, however, cause severe artifacts and noise during conventional calculations. In this work, we propose a novel reconstruction method of EM property MRI using Kalman filter algorithm and show the utility of the proposed method by comparing the imaging results.

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