SCATTER FILTER FOR EMISSION TOMOGRAPHY

摘要

A novel scatter filter for use in emission tomography which filters out deflected rays of energy due to Compton scattering which generally have a lower energy. The filter allows most of the undeflected rays to pass through. This is accomplished by providing a layer of material having a particular density and atomic number between the detector and the source. As a result, the resultant image generated is greatly improved in clarity and quality.