On the basis of the time reversal invariance of photoacoustic waves, a photoacoustic tomography method using a virtual time reversal mirror is presented to tackle acoustical scattering in biomedical imaging. Simulations show its advantages over the traditional photoacoustic tomography method in imaging scattering tissues. The consideration of system errors guarantees its robustness in practical applications. The proposed method could serve as an alternative for imaging complex biological tissues, where strong scatterers such as bones and cavities exist.
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Wu et al. (2011) studied this question.
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