Motion estimation using common spatial frequencies in synthetic aperture imaging

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dc.contributor.authorBilge, HS
dc.contributor.authorKaraman, M
dc.contributor.authorODonnell, M
dc.date.accessioned2020-06-25T17:34:34Z
dc.date.available2020-06-25T17:34:34Z
dc.date.issued1996
dc.departmentKırıkkale Üniversitesi
dc.description1996 IEEE Ultrasonic Symposium -- NOV 03-06, 1996 -- SAN ANTONIO, TX
dc.description.abstractCorrelation processing using fully common spatial frequencies of overlapping subapertures is explored for motion estimation between consecutive excitations in multi-element synthetic aperure imaging. Signals derived from the subset of elements representing common spatial frequencies exhibit significantly higher correlation coefficients than those from signals computed using the entire subaperture. In addition, the correlation coefficient decreases linearly with subaperture separation for complete subaperture signals, but remains nearly constant with subaperture separation if only common spatial frequencies are used. Correlation processing using fully common spatial frequencies is tested on experimental rf data acquired from a diffuse scattering phantom using a 3.5 MHz, 128-element transducer array. The results indicate that common spatial frequencies can be used for correlation processing to minimize motion artifacts in synthetic aperture imaging.en_US
dc.description.sponsorshipIEEE Ultrason Ferroelect & Frequency Control Socen_US
dc.identifier.citationclosedAccessen_US
dc.identifier.endpage1554en_US
dc.identifier.isbn0-7803-3615-1
dc.identifier.issn1051-0117
dc.identifier.scopus2-s2.0-0030351754
dc.identifier.scopusqualityN/A
dc.identifier.startpage1551en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12587/2775
dc.identifier.wosWOS:A1996BH56C00328
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherI E E Een_US
dc.relation.ispartof1996 Ieee Ultrasonics Symposium, Proceedings, Vols 1 And 2
dc.relation.ispartofseriesULTRASONICS SYMPOSIUM
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleMotion estimation using common spatial frequencies in synthetic aperture imagingen_US
dc.typeConference Object

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