VLSI circuits for adaptive digital beamforming in ultrasound imaging

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buir.contributor.authorAtalar, Abdullah
buir.contributor.authorKöymen, Hayrettin
buir.contributor.orcidAtalar, Abdullah|0000-0002-1903-1240
dc.citation.epage720en_US
dc.citation.issueNumber4en_US
dc.citation.spage711en_US
dc.citation.volumeNumber12en_US
dc.contributor.authorKaraman, M.en_US
dc.contributor.authorAtalar, Abdullahen_US
dc.contributor.authorKöymen, Hayrettinen_US
dc.date.accessioned2016-02-08T10:54:29Z
dc.date.available2016-02-08T10:54:29Z
dc.date.issued1993en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractFor phased-array ultrasound imaging, alternative beamforming techniques and their VLSI circuits are studied to form a fully digital receive front-end hardware. In order to increase the timing accuracy in beamforming, a computationally efficient interpolation scheme to increase the sampling rate is examined. For adaptive beamforming, a phase aberration correction method with very low computational complexity is described. Image quality performance of the method is examined by processing the non-aberrated and aberrated phased-array experimental data sets of an ultrasound resolution phantom. A digital beamforming scheme based on receive focusing at the raster focal points is examined. The sector images of the resolution phantom, reconstructed from the phased-array experimental data by beamforming at the radial and raster focal points, are presented for comparison of the image resolution performances of the two beamforming schemes. VLSI circuits and their implementations for the proposed techniques are presented.en_US
dc.identifier.doi10.1109/42.251122en_US
dc.identifier.issn0278-0062
dc.identifier.urihttp://hdl.handle.net/11693/26064
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/42.251122en_US
dc.source.titleIEEE Transactions on Medical Imagingen_US
dc.subjectArraysen_US
dc.subjectImaging techniquesen_US
dc.subjectMedical imagingen_US
dc.subjectUltrasonic imagingen_US
dc.subjectAdaptive digital beamformingen_US
dc.subjectPhase aberration correction methoden_US
dc.subjectPhased arraysen_US
dc.subjectUltrasound resolution phantomen_US
dc.subjectVLSI circuitsen_US
dc.titleVLSI circuits for adaptive digital beamforming in ultrasound imagingen_US
dc.typeArticleen_US

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