NDLI: Design and evaluation of the clear-PEM detector for positron emission mammography

Content Provider	IEEE Xplore Digital Library
Author	Santos, A.I. Almeida, P. Martins, M.V. Matela, N. Oliveira, N. Ferreira, N.C. Aguiar, J.D. Almeida, F.G. Lopes, F. Sampaio, J. Bento, P. Goncalves, F. Leong, C. Lousa, P. Silva, L. Teixeira, I.C. Teixeira, J.P. Abreu, M.C. Carrico, B. Mendes, P.R. Pereira, R. Sousa, P. Ferreira, M. Moura, R. Ortigao, C. Peralta, L. Ribeiro, R. Rodrigues, P. Silva, J.C. Trindade, A. Varela, J.
Copyright Year	2004
Description	Author affiliation: Hosp. Garcia de Orta, Almada, Portugal (Santos, A.I.)
Abstract	The design and evaluation of the imaging system Clear-PEM for positron emission mammography, under development by the PEM Consortium within the framework of the Crystal Clear Collaboration at CERN, is presented. The proposed apparatus is based on fast, segmented, high atomic number radiation sensors with depth-of-interaction measurement capabilities and state-of-the-art data acquisition techniques. The camera consists of two compact and planar detector heads with adequate field-of-view dimensions for breast and axilla imaging. Low-noise integrated electronics provide signal amplification and analog multiplexing based on a new data-driven architecture. The coincidence trigger and data acquisition architecture makes extensive use of pipeline processing structures and multi-event memories for high efficiency up to a data acquisition rate of one million events/s. Experimental validation of the detection techniques, namely the basic properties of the radiation sensors and the ability to measure the depth-of-interaction of the incoming photons, are presented. System performance in terms of detection sensitivity, count-rates and reconstructed image spatial resolution were also evaluated by means of a detailed Monte Carlo simulation and an iterative image reconstruction algorithm.
Starting Page	3805
Ending Page	3809
File Size	2886853
Page Count	5
File Format	PDF
ISBN	0780387007
ISSN	10823654
e-ISBN	0780387015
DOI	10.1109/NSSMIC.2004.1466709
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-16
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Radioactive decay Mammography Data acquisition Atomic measurements Image reconstruction Collaboration Image segmentation Cameras Head
Content Type	Text
Resource Type	Article

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