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Abstract #1489

Self-adaptive Bio-heat Transfer Model Modified Hybrid for Monitoring Temperature in Microwave Therapies

Jinchao Wu1, Shihan Qiu2, Bingyao Chen3, Jiafei Yang3, Xing Wei3, and Kui Ying1,4

1Department of Engineering Physics, Tsinghua University, Beijing, China, 2Department of Biomedical Engineering, Tsinghua University, Beijing, China, 3Department of Orthopedics, First Affiliated Hospital of PLA General Hospital, Beijing, China, 4Key Laboratory of Particle and Radiation Imaging, Ministry of Education, Medical Physics and Engineering Institute, Tsinghua, Beijing, China

A BHT model was introduced to modify the penalty term of hybrid method for monitoring microwave ablation. Simulation results demonstrate that the proposed method is robust with the BHT model and can reconstruct more accurate temperature maps with different regularization parameters. Ex vivo experiment shows that the proposed method can achieve improved performance for rapid background shifting.

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