SNR-weighted sinogram smoothing with improved noise-resolution properties for low-dose X-ray computed tomography

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5370 III, Issue , 2004, Pages 2058-2066

  Li, T ^a   Wang, J ^a   Wen, J ^a   Li, X ^b   Lu, H ^c   Hsieh, J ^d   Liang, Z ^a  

^a STONY BROOK UNIVERSITY   (United States)

^b Howard Hughes Medical Institute   (United States)

^c FOURTH MILITARY MEDICAL UNIVERSITY   (China)

^d GE Medical System   (United States)

Author keywords

Circular harmonic decomposition; Conjugate gradient; Fan beam; High resolution reconstruction; Resolution variation; Uniform attenuation

Indexed keywords

DATA ACQUISITION; FREQUENCIES; GAUSSIAN NOISE (ELECTRONIC); ITERATIVE METHODS; NONLINEAR SYSTEMS; RADON; SIGNAL TO NOISE RATIO; STATISTICAL METHODS; X RAYS;

CIRCULAR HARMONIC DECOMPOSITION; CONJUGATE GRADIENT; FAN-BEAM; HIGH RESOLUTION RECONSTRUCTION; RESOLUTION VARIATION; UNIFORM ATTENUATION;

COMPUTERIZED TOMOGRAPHY;

EID: 5644290745     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.535560     Document Type: Conference Paper

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