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학술지 Advanced Fast 3-D Electromagnetic Solver for Microwave Tomography Imaging
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저자
시모노브, 김보라, 이광재, 전순익, 손성호
발행일
201710
출처
IEEE Transactions on Medical Imaging, v.36 no.10, pp.2160-2170
ISSN
0278-0062
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TMI.2017.2712800
협약과제
16ZR1300, 전파 치료를 위한 정밀조사 알고리즘 연구, 손성호
초록
This paper describes a fast-forward electromagnetic solver (FFS) for the image reconstruction algorithm of our microwave tomography system. Our apparatus is a preclinical prototype of a biomedical imaging system, designed for the purpose of early breast cancer detection. It operates in the 3-6-GHz frequency band using a circular array of probe antennas immersed in a matching liquid; it produces image reconstructions of the permittivity and conductivity profiles of the breast under examination. Our reconstruction algorithm solves the electromagnetic (EM) inverse problem and takes into account the real EM properties of the probe antenna array as well as the influence of the patient's body and that of the upper metal screen sheet. This FFS algorithm is much faster than conventional EM simulation solvers. In comparison, in the same PC, the CST solver takes 45 min, while the FFS takes 1 s of effective simulation time for the same EM model of a numerical breast phantom.
키워드
biomedical imaging, cancer detection, electromagnetic modeling, inverse problems, Microwave imaging, reconstruction algorithms
KSP 제안 키워드
Biomedical imaging, Breast Cancer(BC), Breast cancer detection, Circular array, Conductivity profiles, EM model, EM simulation, Early breast cancer, Electromagnetic Modeling, FFS algorithm, Image reconstruction algorithm