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PubMed · 1580017

Correction of diffraction errors in attenuation estimation with Dynamic Beam Translation.

I Céspedes·J Ophir
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Abstract

We describe computer simulations for the estimation of the attenuation coefficient in scattering media using the Dynamic Beam Translation (DBT) method. DBT refocuses a variable aperture transducer to maintain the focal characteristics of the transducer at different depths in order to reduce diffraction errors. The efficacy of DBT is evaluated for transducers with different focal powers and under the influence of phase aberration due to the body wall. DBT shows robustness in the elimination of diffraction errors and resistance to the effects of aberration.

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Computer SimulationHumansImage Processing, Computer-AssistedTransducersUltrasonographyJournal ArticleResearch Support, U.S. Gov't, P.H.S.

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BibTeXRIS

I Céspedes, J Ophir. 1992. Correction of diffraction errors in attenuation estimation with Dynamic Beam Translation.. https://doi.org/10.1016/0301-5629(92)90132-t

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