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Time-frequency analysis of the thermoacoustic signals for early breast cancer detection

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3 Author(s)
Yuanyue Guo ; Department of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China ; Meng Wang ; Gang Wang

The time-frequency(T-F) characteristics of the microwave-induced thermoacoustic signals generated from the tumors inside the breast are analyzed by Choi-Williams Distribution(CWD). The signals are simulated by finite-difference time-domain(FDTD) codes, with the semi-round breast model. The results indicate that round-shaped and ellipsoidal-shaped tumors with different sizes and shapes have different CWDs, and therefore, this T-F technique has the potential to detect different tumors and estimate its sizes and shapes, and become a new diagnostic method for early breast cancer.

Published in:

2010 3rd International Conference on Biomedical Engineering and Informatics  (Volume:2 )

Date of Conference:

16-18 Oct. 2010