Investigation of image noise in cone-beam CT imaging due to photon counting statistics with the Feldkamp algorithm by computer simulations

Journal of X-Ray Science and Technology

Volumn 16, Issue 2, 2008, Pages 143-158

  Zhang, Yan ^a   Ning, Ruola ^b  

^a University of Rochester   (United States)

^b UNIVERSITY OF ROCHESTER   (United States)

Author keywords

Cone beam CT; Image noise; Noise distribution; Photon counting; Statistics

Indexed keywords

BOOLEAN FUNCTIONS; COMPUTATIONAL METHODS; COMPUTER SIMULATION; COMPUTERIZED TOMOGRAPHY; DETECTORS; ELECTRIC INSTRUMENT TRANSFORMERS; IMAGE PROCESSING; IMAGE QUALITY; IMAGE RECONSTRUCTION; IMAGING SYSTEMS; IMAGING TECHNIQUES; MEDICAL IMAGING; PARAMETER ESTIMATION; PHOTONS; REPAIR; RESTORATION; STATISTICAL METHODS;

CONE-BEAM CT (CBCT); CONE-BEAM RECONSTRUCTION; DE-NOISING; DETECTABILITY; EXPOSURE LEVELS; FELDKAMP; FELDKAMP ALGORITHM (FDK); HIGH RESOLUTIONS; IMAGE NOISE; IMAGE NOISE LEVEL; LOW CONTRAST; NOISE DISTRIBUTIONS; NOISE INFORMATION; NOISE MODELLING; PATIENT DOSES; PHOTON COUNTING; PIXEL SIZES; RECONSTRUCTION FILTERING; SPATIAL DISTRIBUTIONS; SPHERICAL(PIVOT); THREE DIMENSIONAL (3 D) IMAGING; THREE-DIMENSIONAL (3D) IMAGE RECONSTRUCTION; WATER PHANTOM;

THREE DIMENSIONAL;

EID: 48249103911     PISSN: 08953996     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

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