The use of 2-D array probes to perform 3-D ultrasound imaging is still investigated in many domains. The extension from 2-D to 3-D imaging causes problems because of the need to control a very large number of elements on the probe. It might be overcome by using 2-D sparse array. This problem has been recently shown that sparse 2-D arrays can be used for 3-D fast ultrasound imaging based on the transmission of Diverging Waves (DW). The aim of this work is to experimentally analyze how the distribution of a given number (25) of Virtual Sources (VS) over a predefined area affects the images obtained with one fully populated probe and two sparse array probes, respectively. In order to do that, gridded and spiral distributions of virtual sources have been implemented. The results show that with the spiral distribution there is a general improvement of the contrast despite of a degradation on both lateral and axial resolutions.

Optimal virtual sources distribution in 3-D diverging wave ultrasound imaging: an experimental study / Paolo Mattesini, Goulven Le Moign, Emmanuel Roux, Émilia Badescu, Lorena Petrusca, Olivier Basset, Piero Tortoli, Hervé Liebgott. - ELETTRONICO. - (2018), pp. 0-0. (Intervento presentato al convegno 2018 IEEE International Ultrasonics Symposium (IUS) tenutosi a Kobe, Giappone nel Ottobre 2018) [10.1109/ULTSYM.2018.8579668].

Optimal virtual sources distribution in 3-D diverging wave ultrasound imaging: an experimental study

Paolo Mattesini
;
Emmanuel Roux;Piero Tortoli;
2018

Abstract

The use of 2-D array probes to perform 3-D ultrasound imaging is still investigated in many domains. The extension from 2-D to 3-D imaging causes problems because of the need to control a very large number of elements on the probe. It might be overcome by using 2-D sparse array. This problem has been recently shown that sparse 2-D arrays can be used for 3-D fast ultrasound imaging based on the transmission of Diverging Waves (DW). The aim of this work is to experimentally analyze how the distribution of a given number (25) of Virtual Sources (VS) over a predefined area affects the images obtained with one fully populated probe and two sparse array probes, respectively. In order to do that, gridded and spiral distributions of virtual sources have been implemented. The results show that with the spiral distribution there is a general improvement of the contrast despite of a degradation on both lateral and axial resolutions.
2018
2018 IEEE International Ultrasonics Symposium (IUS)
2018 IEEE International Ultrasonics Symposium (IUS)
Kobe, Giappone
Ottobre 2018
Paolo Mattesini, Goulven Le Moign, Emmanuel Roux, Émilia Badescu, Lorena Petrusca, Olivier Basset, Piero Tortoli, Hervé Liebgott
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/1137003
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