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Abstract #3643

Adaptive Weighted Polynomial fitting in phase-based Electrical Property Tomography

Jun-Hyeong Kim1, Jaewook Shin1, Ho-Joon Lee2, Kang-Hyun Ryu1, and Donghyun Kim1

1Department of Electrical and Electronic Engineering, Yonsei University, seoul, Korea, Republic of, 2Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, seoul, Korea, Republic of

Weighted polynomial fitting method was proposed to resolve boundary artifact and noise amplification of Electrical Property Tomography. Weighted polynomial fitting method employs T1/T2 tissue contrast as prior information under assumption that pixels with similar magnitude intensity have similar conductivity. However, for non-simply connected structures make the fitting inaccurate. Therefore, in this study, we propose a modified weighted polynomial fitting technique including spatial constraint.

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