SNR improvement in dedicated breast CT using energy weighting with photon counting detectors

Author

Kalluri, Kesava ; Glick, Stephen J. ; Mahd, Mufeed

Author_Institution

Univ. of Massachusetts, Lowell, MA, USA

fYear

2011

fDate

1-3 April 2011

Firstpage

1

Lastpage

2

Abstract

Photon counting x-ray detectors (PCD) promise to provide substantial improvements in computed tomography (CT) as compared to Cesium Iodide based energy integrating x-ray detectors (CsI-EID). This paper investigates the possible improvements in signal-to-noise ratio (SNR) obtained by using a cadmium zinc telluride (CZT) crystal based PCD with energy weighting (EW) in low dose breast CT (BCT).

Keywords

II-VI semiconductors; X-ray detection; biological organs; cadmium compounds; computerised tomography; diagnostic radiography; dosimetry; gynaecology; medical signal processing; photon counting; zinc compounds; CdZnTe; SNR improvement; cadmium zinc telluride crystal; cesium Iodide based energy integrating X-ray detectors; computed tomography; energy weighting; low-dose breast CT; photon counting X-ray detectors; signal-to-noise ratio; Biomedical imaging; Breast; Computed tomography; Detectors; Photonics; Signal to noise ratio; X-ray imaging; Breast CT; CZT; CdZnTe; CsI; Energy Weighting; Photon Counting; X-Ray detectors;

fLanguage

English

Publisher

ieee

Conference_Titel

Bioengineering Conference (NEBEC), 2011 IEEE 37th Annual Northeast

Conference_Location

Troy, NY

ISSN

2160-7001

Print_ISBN

978-1-61284-827-3

Type

conf

DOI

10.1109/NEBC.2011.5778614

Filename

5778614