DocumentCode :
3692096
Title :
A Sparse regularization approach for ultrafast ultrasound imaging
Author :
Rafael E. Carrillo;Adrien Besson;Miaomiao Zhang;Denis Friboulet;Yves Wiaux;Jean-Philippe Thiran;Olivier Bernard
Author_Institution :
Signal Processing Laboratory (LTS5), Ecole Polytechnique Fé
fYear :
2015
Firstpage :
1
Lastpage :
4
Abstract :
Ultrafast imaging based on plane-wave (PW) insonification is an active area of research due to its capability of reaching high frame rates. Several approaches have been proposed either based on either of Fourier-domain reconstruction or on delay-and-sum (DAS) reconstruction. Using a single PW, these techniques achieve low quality, in terms of resolution and contrast, compared to the classic DAS method with focused beams. To overcome this drawback, compounding of several steered PWs is needed, which currently decreases the high frame rate limit that could be reached by such techniques. Based on a compressed sensing (CS) framework, we propose a new method that allows the reconstruction of high quality ultrasound (US) images from only 1 PW at the expense of augmenting the computational complexity at the reconstruction.
Keywords :
"Fourier transforms","Phantoms","Ultrasonic imaging","Image reconstruction","Array signal processing","Inverse problems"
Publisher :
ieee
Conference_Titel :
Ultrasonics Symposium (IUS), 2015 IEEE International
Type :
conf
DOI :
10.1109/ULTSYM.2015.0184
Filename :
7329064
Link To Document :
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