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Titolo:
ATTENUATION COMPENSATION FOR CARDIAC SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHIC IMAGING .1. IMPACT OF ATTENUATION AND METHODS OF ESTIMATING ATTENUATION MAPS
Autore:
KING MA; TSUI BMW; PAN TS;
Indirizzi:
UNIV MASSACHUSETTS,MED CTR,DEPT NUCL MED,55 LAKE AVE N WORCESTER MA 01655 UNIV N CAROLINA,DEPT BIOMED ENGN CHAPEL HILL NC 00000
Titolo Testata:
Journal of nuclear cardiology
fascicolo: 6, volume: 2, anno: 1995,
pagine: 513 - 524
SICI:
1071-3581(1995)2:6<513:ACFCSE>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSMISSION CT; MONTE-CARLO; LINE SOURCE; SPECT; SCATTER; QUANTIFICATION; COLLIMATION; PHANTOM; CAMERAS;
Keywords:
SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHY; ATTENUATION CORRECTION; TRANSMISSION IMAGING; SEGMENTATION;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
66
Recensione:
Indirizzi per estratti:
Citazione:
M.A. King et al., "ATTENUATION COMPENSATION FOR CARDIAC SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHIC IMAGING .1. IMPACT OF ATTENUATION AND METHODS OF ESTIMATING ATTENUATION MAPS", Journal of nuclear cardiology, 2(6), 1995, pp. 513-524

Abstract

Attenuation is believed to be one of the major causes of false-positive cardiac single-photon emission computed tomographic (SPECT) perfusion images, This article reviews the physics of attenuation, the artifacts produced by attenuation, and the need for scatter correction in combination with attenuation correction, The review continues with a comparison of the various configurations for transmission imaging that could be used to estimate patient specific attenuation maps, and an overview of how these are being developed for use on multiheaded SPECT systems, including discussions of truncation, noise, and spatial resolution of the estimated attenuation maps, Ways of estimating patient specific attenuation maps besides transmission imaging are also discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/20 alle ore 03:57:01