Theoretical and numerical study of MLEM and OSEM reconstruction algorithms for motion correction in emission tomography

IEEE Transactions on Nuclear Science

Volumn 56, Issue 5, 2009, Pages 2739-2749

  Dey, Joyoni ^a   King, Michael A ^a  

^a UNIVERSITY OF MASSACHUSETTS   (United States)

Author keywords

Expectation maximization algorithm; Image reconstruction

Indexed keywords

ANTERIOR-POSTERIOR DIRECTIONS; ANTHROPOMORPHIC PHANTOMS; ATTENUATION DISTRIBUTIONS; BODY MOTIONS; CARDIAC SPECT; EMISSION TOMOGRAPHY; EXPECTATION MAXIMIZATION ALGORITHM; INTERPOLATION ERROR; MAXIMUM-LIKELIHOOD RECONSTRUCTION; MONTE CARLO SIMULATION; MOTION CORRECTION; MOTION STATE; NUMBER OF ITERATIONS; NUMERICAL STUDIES; OSEM RECONSTRUCTION; PATIENT MOTIONS; PERFUSION IMAGES; POISSON NOISE; POISSON STATISTIC; PROJECTION IMAGE; REDUCTION FACTOR; RESPIRATORY MOTIONS; SPECT PROJECTIONS; SUBSET ALGORITHM;

ALGORITHMS; COMPUTER SIMULATION; COMPUTER SOFTWARE; EXPERIMENTS; IMAGE QUALITY; IMAGE SEGMENTATION; MAXIMUM LIKELIHOOD; MAXIMUM PRINCIPLE; MONTE CARLO METHODS; POISSON DISTRIBUTION; POISSON EQUATION; POSITRON EMISSION TOMOGRAPHY; REPAIR; RESPIRATORY MECHANICS; SEMICONDUCTOR COUNTERS;

IMAGE RECONSTRUCTION;

EID: 70350161755     PISSN: 00189499     EISSN: None     Source Type: Journal    
DOI: 10.1109/TNS.2009.2021765     Document Type: Article

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