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Titolo:
ATTENUATION COMPENSATION FOR CARDIAC SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHIC IMAGING .2. ATTENUATION COMPENSATION ALGORITHMS
Autore:
KING MA; TSUI BMW; PAN TS; GLICK SJ; SOARES EJ;
Indirizzi:
UNIV MASSACHUSETTS,MED CTR,DEPT NUCL MED,55 LAKE AVE N WORCESTER MA 01655 UNIV N CAROLINA,DEPT BIOMED ENGN CHAPEL HILL NC 27515
Titolo Testata:
Journal of nuclear cardiology
fascicolo: 1, volume: 3, anno: 1996,
pagine: 55 - 64
SICI:
1071-3581(1996)3:1<55:ACFCSE>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
ITERATIVE RECONSTRUCTION ALGORITHMS; MAXIMUM-LIKELIHOOD RECONSTRUCTION; POINT RESPONSE CORRECTION; EM ALGORITHM; NONUNIFORM ATTENUATION; SPECT RECONSTRUCTION; SCATTER CORRECTION; MONTE-CARLO; TRANSFORM; CONVERGENCE;
Keywords:
SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHY; ATTENUATION CORRECTION;
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 .2. ATTENUATION COMPENSATION ALGORITHMS", Journal of nuclear cardiology, 3(1), 1996, pp. 55-64

Abstract

Attenuation is believed to be one of the major causes of false-positive cardiac single-photon emission computed tomographic perfusion images. This article provides an introduction to the approaches used to correct for nonuniform attenuation once a patient-specific attenuation map is available. Comparison is made of specific attenuation-correction algorithms from each of three major categories of compensation methodsthat are or will be available commercially, Examples of the use of the algorithms on simulated projections of a mathematic phantom modelingthe anatomy of the upper torso are used to illustrate the ability of the methods to compensate for attenuation. The advantages and disadvantages of each approach are summarized, as well as areas that need further investigation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/20 alle ore 12:13:23