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Simulation studies of ultrasonic backscattering and B-mode images of liver using acoustic microscopy data

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7 Author(s)
Lizzi, F.L. ; Riverside Res. Inst., New York, NY, USA ; Rorke, M.C. ; King, D.L. ; Feleppa, E.J.
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Data obtained from a scanning laser acoustic microscope (SLAM) were used to examine several aspects of ultrasonic backscattering from the liver. Phase interferograms from normal and abnormal human-liver specimens were digitized, and a series of algorithms was used to compute images of propagation velocity within the specimens. The propagation velocity images were then employed to simulate A- and B-mode results. These initial simulations were used to investigate how ultrasonic echo signals are related to tissue microstructure. Among the topics examined were B-mode speckling, frequency and beamwidth effects, and angulation dependencies.<>

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Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on  (Volume:39 ,  Issue: 2 )