Glasses for 3D ultrasound computer tomography

Author

Zapf, Michael ; Ruiter, Nicole V.

Author_Institution

Inst. for Data Process. & Electron., Karlsruhe Inst. of Technol., Karlsruhe, Germany

fYear

2013

fDate

21-25 July 2013

Firstpage

828

Lastpage

831

Abstract

A promising candidate for breast cancer imaging is ultrasound computer tomography (USCT). At KIT a 3D USCT with a semi-ellipsoidal aperture consisting of several hundreds of US transducers was built. Spherical waves are sequentially emitted and received. 3D SAFT is applied to reconstruct reflectivity volumes. However, straight forward SAFT imaging leads to blurred images. A post-imaging de-blurring approach applying aperture characteristics is described here and analyzed with a simulation and a clinical data set. A increase of 26% in the mean resolution in imaging simulation with a point scatters was achieved. A increase in resolution with breast images was observed, too.

Keywords

biomedical transducers; biomedical ultrasonics; cancer; computerised tomography; glass; image reconstruction; image resolution; image restoration; mammography; medical image processing; ultrasonic imaging; ultrasonic transducers; 3D ultrasound computer tomography; SiO₂; blurred images; breast cancer imaging; clinical data set; glasses; imaging simulation; mean resolution; point scatters; post-imaging deblurring approach; reflectivity volume reconstruction; semiellipsoidal aperture; sequentially emitted spherical waves; sequentially received spherical waves; ultrasound transducers; Apertures; Image resolution; Imaging; Reflectivity; Three-dimensional displays; Transducers; Ultrasonic imaging; fourier optics; reflectivity imaging; synthetic aperture focussing; ultrasound computer tomography; ultrasound imaging;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultrasonics Symposium (IUS), 2013 IEEE International

Conference_Location

Prague

ISSN

1948-5719

Print_ISBN

978-1-4673-5684-8

Type

conf

DOI

10.1109/ULTSYM.2013.0213

Filename

6725265