Contrast Improvement in Sub- and Ultraharmonic Ultrasound Contrast Imaging by Combining Several Hammerstein Models
Joint Authors
Charara, Jamal
Girault, Jean-Marc
Ménigot, Sébastien
Sbeity, Fatima
Source
International Journal of Biomedical Imaging
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-11-07
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Sub- and ultraharmonic (SUH) ultrasound contrast imaging is an alternative modality to the second harmonic imaging, since, in specific conditions it could produce high quality echographic images.
This modality enables the contrast enhancement of echographic images by using SUH present in the contrast agent response but absent from the nonperfused tissue.
For a better access to the components generated by the ultrasound contrast agents, nonlinear techniques based on Hammerstein model are preferred.
As the major limitation of Hammerstein model is its capacity of modeling harmonic components only, in this work we propose two methods allowing to model SUH.
These new methods use several Hammerstein models to identify contrast agent signals having SUH components and to separate these components from harmonic components.
The application of the proposed methods for modeling simulated contrast agent signals shows their efficiency in modeling these signals and in separating SUH components.
The achieved gain with respect to the standard Hammerstein model was 26.8 dB and 22.8 dB for the two proposed methods, respectively.
American Psychological Association (APA)
Sbeity, Fatima& Ménigot, Sébastien& Charara, Jamal& Girault, Jean-Marc. 2013. Contrast Improvement in Sub- and Ultraharmonic Ultrasound Contrast Imaging by Combining Several Hammerstein Models. International Journal of Biomedical Imaging،Vol. 2013, no. 2013, pp.1-9.
https://search.emarefa.net/detail/BIM-459111
Modern Language Association (MLA)
Sbeity, Fatima…[et al.]. Contrast Improvement in Sub- and Ultraharmonic Ultrasound Contrast Imaging by Combining Several Hammerstein Models. International Journal of Biomedical Imaging No. 2013 (2013), pp.1-9.
https://search.emarefa.net/detail/BIM-459111
American Medical Association (AMA)
Sbeity, Fatima& Ménigot, Sébastien& Charara, Jamal& Girault, Jean-Marc. Contrast Improvement in Sub- and Ultraharmonic Ultrasound Contrast Imaging by Combining Several Hammerstein Models. International Journal of Biomedical Imaging. 2013. Vol. 2013, no. 2013, pp.1-9.
https://search.emarefa.net/detail/BIM-459111
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-459111