File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Conference Paper: A composite imaging technique for high frame-rate and full-view cardiovascular ultrasound and elasticity imaging

TitleA composite imaging technique for high frame-rate and full-view cardiovascular ultrasound and elasticity imaging
Authors
KeywordsAxial Displacement Estimation
Ecg Gating
Electromechanical Wave Propagation
High Frame Rate Ultrasound Imaging
Multi-Sector Composite
Issue Date2007
Citation
Proceedings - Ieee Ultrasonics Symposium, 2007, p. 880-883 How to Cite?
AbstractThe frame-rate of ultrasound radio-frequency (RF) data acquisition is critical for imaging of the pulse wave and electromechanical wave propagation in cardiovascular tissues as well as improving the strain estimation. Therefore, an automated method had been developed to overcome the frame-rate limitations on standard systems by retrospective multi-sector signal acquisition through an electrocardiogram (ECG) gating technique. The method achieved a frame rate of 481 Hz at a 100% field of view, 64 line densities and an imaging depth of 11cm. The composite full-view images were reconstructed by retrospectively combining seven small-sector RF frames using the ECG-gating technique. The axial displacements of both long-axis and short-axis views of a human left ventricle and a long-axis view of the abdominal aorta were calculated using an RF based speckle-tracking technique comprising ID cross-correlation methods in a 2D search (window size of 6.9 mm and overlap of 80%). Several sequences of electromechanical waves propagating in a left ventricular long-axis and short-axis view, and long-axis view of abdominal aorta were imaged at high frame rates. Currently, the method was implemented on an Ultrasonix RP system (Ultrasonix Medical Corp. Richmond, Canada) and could be potentially implemented on other clinical systems. © 2007 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/167109
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorWang, Sen_US
dc.contributor.authorLee, WNen_US
dc.contributor.authorLuo, Jen_US
dc.contributor.authorKonofagou, EEen_US
dc.date.accessioned2012-09-28T04:04:13Z-
dc.date.available2012-09-28T04:04:13Z-
dc.date.issued2007en_US
dc.identifier.citationProceedings - Ieee Ultrasonics Symposium, 2007, p. 880-883en_US
dc.identifier.issn1051-0117en_US
dc.identifier.urihttp://hdl.handle.net/10722/167109-
dc.description.abstractThe frame-rate of ultrasound radio-frequency (RF) data acquisition is critical for imaging of the pulse wave and electromechanical wave propagation in cardiovascular tissues as well as improving the strain estimation. Therefore, an automated method had been developed to overcome the frame-rate limitations on standard systems by retrospective multi-sector signal acquisition through an electrocardiogram (ECG) gating technique. The method achieved a frame rate of 481 Hz at a 100% field of view, 64 line densities and an imaging depth of 11cm. The composite full-view images were reconstructed by retrospectively combining seven small-sector RF frames using the ECG-gating technique. The axial displacements of both long-axis and short-axis views of a human left ventricle and a long-axis view of the abdominal aorta were calculated using an RF based speckle-tracking technique comprising ID cross-correlation methods in a 2D search (window size of 6.9 mm and overlap of 80%). Several sequences of electromechanical waves propagating in a left ventricular long-axis and short-axis view, and long-axis view of abdominal aorta were imaged at high frame rates. Currently, the method was implemented on an Ultrasonix RP system (Ultrasonix Medical Corp. Richmond, Canada) and could be potentially implemented on other clinical systems. © 2007 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofProceedings - IEEE Ultrasonics Symposiumen_US
dc.subjectAxial Displacement Estimationen_US
dc.subjectEcg Gatingen_US
dc.subjectElectromechanical Wave Propagationen_US
dc.subjectHigh Frame Rate Ultrasound Imagingen_US
dc.subjectMulti-Sector Compositeen_US
dc.titleA composite imaging technique for high frame-rate and full-view cardiovascular ultrasound and elasticity imagingen_US
dc.typeConference_Paperen_US
dc.identifier.emailLee, WN: wnlee@hku.hken_US
dc.identifier.authorityLee, WN=rp01663en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/ULTSYM.2007.225en_US
dc.identifier.scopuseid_2-s2.0-48149106161en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-48149106161&selection=ref&src=s&origin=recordpageen_US
dc.identifier.spage880en_US
dc.identifier.epage883en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridWang, S=7410338987en_US
dc.identifier.scopusauthoridLee, WN=51964186500en_US
dc.identifier.scopusauthoridLuo, J=7404182785en_US
dc.identifier.scopusauthoridKonofagou, EE=7005877325en_US

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats