1: 0: 2.2.(B) Decay-correctedprojectionsthroughsequentialtwo-dimensionaland three-
dimensionalacquisitionsof slot phantom data. Notice the increasedscatter fraction and …

3D PET emission data acquired without interplane septa contain a component of scattered
radiation which may exceed 30% for brain scans and 50% for chest studies. In order to …

PET offers the possibility of quantitative measurements of tracer concentration in vivo.
However, there are several issues that must be considered in order to fully realise this …

Three-dimensional positron emission tomography admits a significant scatter fraction due to
the large aperture of the detectors, and requires accurate scatter subtraction. A scatter …

The authors report on a new numerical implementation of the single-scatter simulation
scatter correction algorithm for 3D PET. Its primary advantage over the original …

Abstract Objective In 3D PET, scatter of the gamma photons is one of the most significant
physical factors which degrades not only image quality but also quantification. The currently …

The method for simultaneously acquiringemission and trans missioncoincidencedata is an
extensionofthe sinogramwindow-@ 6 ing technique (15— 17) which has been used to …

Modern multiring positron emission tomographs allow the acquisition of 3-D data sets to
increase their sensitivity. A substantial part of this data is due to scattered radiation. The …

The contribution of the scattered events originating from radioactivity outside the tomograph
field of view (ROFOV) is treated differently by different scatter correction algorithms. Using …

Variations in detector efficiency induce significant artifacts in reconstructed images unless
accurate normalization methods are used. Scattered events are detected with significantly …