Ray-based inversion accounting for scattering for biomedical ultrasound computed tomography
Ashkan Javaherian,
Ben Cox
Abstract:An efficient and accurate image reconstruction algorithm for ultrasound tomography (UST) is described and demonstrated, which can recover accurate sound speed distribution from acoustic time series measurements made in soft tissue. The approach is based on a second-order iterative minimisation of the difference between the measurements and a model based on a rayapproximation to the heterogeneous Green's function. It overcomes the computational burden of full-wave solvers while avoiding the drawbacks of time-of… Show more
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