Method and apparatus for performing correction for random coincidences in a medical imaging system

摘要

A method of correcting coincidence data for random coincidences in a nuclear medicine imaging system is provided. The system includes a pair of detectors that are rotatable about an axis, with an object to be imaged disposed about the axis. During an imaging session, the detectors detect coincidence radiation emitted from the object at a plurality of angular stops relative to the axis. While rotating the detectors between stops, the detectors are reconfigured for single-photon data acquisition and are used to detect radiation in singles mode. The detected singles are rebinned into a plurality of randoms sinograms, which are used to correct the coincidence data.