Scatter errors are eliminated from a gamma camera image on a spatially dependent basis. A global scatter curve is obtained and normalized for each local area. Based on this local scatter curve and the local spectrum, a local correction factor is obtained. The correction factors are then used to remove...http://www.google.de/patents/US5633499?utm_source=gb-gplus-sharePatent US5633499 - Scatter elimination technique and apparatus in radionuclide emission and transmission imaging in a nuclear camera
