Penalized weighted least-squares approach to sinogram noise reduction and image reconstruction for low-dose X-ray computed tomography

IEEE Transactions on Medical Imaging

Volumn 25, Issue 10, 2006, Pages 1272-1283

  Wang, Jing ^b   Li, Tianfang ^a,c   Lu, Hongbing ^a,d   Liang, Zhengrong ^a,b  

^a IEEE

^b STONY BROOK UNIVERSITY   (United States)

^c STANFORD UNIVERSITY   (United States)

^d FOURTH MILITARY MEDICAL UNIVERSITY   (China)

Author keywords

Low dose X ray computed tomography; Noise reduction; Penalized weighted least squares

Indexed keywords

COMPUTER SIMULATION; COMPUTERIZED TOMOGRAPHY; LEAST SQUARES APPROXIMATIONS; MARKOV PROCESSES; NOISE ABATEMENT; X RAYS;

GIBBS FUNCTIONAL; LOW DOSE X RAY COMPUTED TOMOGRAPHY; MARKOV RANDOM FIELDS (MRF); PENALIZED WEIGHTED LEAST SQUARES;

IMAGE RECONSTRUCTION;

ALGORITHM; ARTICLE; ARTIFACT; BIOLOGICAL MODEL; COMPUTER ASSISTED DIAGNOSIS; COMPUTER ASSISTED TOMOGRAPHY; COMPUTER SIMULATION; EVALUATION; IMAGE QUALITY; INFORMATION RETRIEVAL; MATHEMATICAL COMPUTING; METHODOLOGY; RADIATION DOSE; REGRESSION ANALYSIS; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY; SIGNAL PROCESSING; STATISTICAL ANALYSIS; STATISTICAL MODEL;

ALGORITHMS; ARTIFACTS; COMPUTER SIMULATION; DATA INTERPRETATION, STATISTICAL; INFORMATION STORAGE AND RETRIEVAL; LEAST-SQUARES ANALYSIS; MODELS, BIOLOGICAL; MODELS, STATISTICAL; NUMERICAL ANALYSIS, COMPUTER-ASSISTED; PHANTOMS, IMAGING; RADIATION DOSAGE; RADIOGRAPHIC IMAGE ENHANCEMENT; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; SIGNAL PROCESSING, COMPUTER-ASSISTED; TOMOGRAPHY, X-RAY COMPUTED;

EID: 33947260155     PISSN: 02780062     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMI.2006.882141     Document Type: Article

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