A beamforming strategy dedicated to post lens ultrasound imaging and ocular biometry at 20 MHz

Author

Matéo, T. ; Mofid, Y. ; Grégoire, J-M ; Ossant, F.

Author_Institution

Centre-Val de Loire Univ. Francois-Rabelais de Tours, Tours, France

fYear

2011

fDate

18-21 Oct. 2011

Firstpage

2197

Lastpage

2200

Abstract

Acoustical properties of a porcine eye lens are investigated at high frequencies (10 to 24 MHz). The obtained values are used to perform a beamforming (BF) method dedicated to post lens imaging through a linear ultrasound (US) scanning using an US research scanner developed in our laboratory called the ECODERM. The probe consists of a 128 elements linear array working at 20 MHz. The performances of the developed BF method are compared with those of a classical BF having the same linear scanning. The comparison quantifies both axial and lateral resolution, image contrast, and the spatial mislocalization induced by lens.

Keywords

biomedical ultrasonics; image resolution; lenses; medical image processing; optical scanners; ultrasonic imaging; ECODERM; US research scanner; acoustical properties; beamforming strategy; classical BF method; frequency 10 MHz to 24 MHz; lens ultrasound imaging; linear ultrasound scanning; ocular biometry; porcine eye lens; spatial mislocalization; Acoustic measurements; Acoustics; Attenuation; Imaging; Lenses; Probes; Ultrasonic imaging; 20 MHz; eye dedicated beamforming; lens acoustical caracterization; mislocalization correction; ocular biometry;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultrasonics Symposium (IUS), 2011 IEEE International

Conference_Location

Orlando, FL

ISSN

1948-5719

Print_ISBN

978-1-4577-1253-1

Type

conf

DOI

10.1109/ULTSYM.2011.0545

Filename

6293703