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Title

2D array design based on Fermat spiral for ultrasound imaging

AuthorsMartínez-Graullera, Óscar ; Martín Arguedas, Carlos J. ; Godoy, Gregorio; Ullate, Luis G.
Keywords2D sparse arrays
3D ultrasound imaging
Fermat spiral
Issue DateFeb-2010
PublisherElsevier
CitationUltrasonics 50(2): 280-289 (2010)
AbstractThe main challenge faced by 3D ultrasonic imaging with 2D array transducers is the large number of elements required to achieve an acceptable level of quality in the images. Therefore, the optimisation of the array layout, in order to reduce the number of active elements in the aperture, has been a research topic in the last years. Nowadays, array technology has made viable the production of 2D arrays with larger flexibility on elements size, shape and position, allowing to study other configurations different to the classical matrix organisation, such as circular, archimedes spiral or polygonal layout between others. In this work, the problem of designing an imaging system array with large apertures and a very limited number of active elements (Ne=128 and Ne=256) using the Fermat spiral layout has been studied. As summary, a general discussion about the most interesting cases is presented.
Description10 páginas, 10 figuras, 3 tablas.-- PACS classification codes: 87.57.−s; 87.63.dh; 43.60.Fg; 43.38.Hz; 43.35.Zc.-- El PDF del artículo es la versión pre-print.
Publisher version (URL)http://dx.doi.org/10.1016/j.ultras.2009.09.010
URIhttp://hdl.handle.net/10261/38385
DOI10.1016/j.ultras.2009.09.010
ISSN0041-624X
Appears in Collections:(IAI) Artículos
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