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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Various active microwave imaging techniques have been developed for cancer detection for past several decades. Both the microwave tomography and the UWB radar techniques, constituting functional microwave imaging systems, use the electrical property contrast between normal tissues and malignancies to detect the latter in an early development stage. Even though promising simulation results have been reported, the understanding of the functional microwave imaging diagnostics has been relied heavily on the complicated numerical results. We present a computationally efficient and physically instructive analytical electromagnetic wave channel models developed for functional microwave imaging system in order to detect especially the breast tumors as early as possible. The channel model covers the propagation factors that have been examined in the previous 2-D models, such as the radial spreading, path loss, partial reflection and transmission of the backscattered electromagnetic waves from the tumor cell. The effects of the system noise and the noise from the inhomogeneity of the tissue to the reconstruction algorithm are modeled as well. The characteristics of the reconstructed images of the tumor using the proposed model are compared with those from the confocal microwave imaging.
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참고문헌 (7)
참고문헌 신청
A. Taflove / 1999.05 / Three-dimensional FDTD analysis of a pulsed microwave confocal system for breast cancer detection: design of an antenna-array element 47 : 783 ~ 791
E. C. Fear / 2002.03 / Enhancing breast tumor detection with near-field imaging : 48 ~ 56
E. C. Fear / 2002.08 / Confocal microwave imaging for breast cancer detection: localization of tumors in three dimensions 49 : 812 ~ 821
S. C. Hagness / 1997. / FDTD analysis of a pulsed microwave confocal system for breast cancer detection : 2506 ~ 2508
S. C. Hagness / 1998.12 / Two-dimensional FDTD analysis of a pulsed microwave confocal system for breast cancer detection: fixed focus and antenna-array sensors 45 : 1470 ~ 1
E. C. Fear / 2002.03 / Enhancing breast tumor detection with near-field imaging : 48 ~ 56
E. C. Fear / 2002.08 / Confocal microwave imaging for breast cancer detection: localization of tumors in three dimensions 49 : 812 ~ 821
S. C. Hagness / 1997. / FDTD analysis of a pulsed microwave confocal system for breast cancer detection : 2506 ~ 2508
S. C. Hagness / 1998.12 / Two-dimensional FDTD analysis of a pulsed microwave confocal system for breast cancer detection: fixed focus and antenna-array sensors 45 : 1470 ~ 1
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