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Accurately reconstruct the tumor target in an acoustic heterogeneous tissue is a hot research issue in thermo-acoustic tomography (TAT). In this paper, we present three imaging algorithms for microwave induced thermo-acoustic tomography (MITAT): time reversal mirror (TRM), active adjoint modeling (AAM) method and iterative reconstruction method (IRM). The performance of the three imaging methods for...
In this paper, a new method for accurately picking the time-of-flights (TOFs) of tumor is proposed in microwave induced thermo-acoustic tomography (MITAT) system. The proposed method makes use of the properties of induced thermal acoustic signal and combines them with the wavelet transform and Akaike information criterion (AIC). Both numerical simulations and ex vivo experimental results are given...
Microwave induced thermo-acoustic tomography (MITAT) combines the advantages of both ultrasound imaging and microwave imaging. In this paper, a secure and accurate MITAT system has been developed. Aiming to demonstrate the capability of MITAT in breast cancer detection, experiments by using real breast tissues and breast tumor specimen have been performed. The results show the high contrast of the...
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