| Literature DB >> 8254414 |
T Ichihara1, K Ogawa, N Motomura, A Kubo, S Hashimoto.
Abstract
The spatial distribution of scattered photons varies depending on many factors such as object size and source distribution. We propose a triple-energy window (TEW) scatter compensation method for determining position-dependent Compton scatter. We estimated the count of primary photons at each pixel in the acquired image using the 24% main window centered at the photo peak energy and 3 keV scatter rejection windows on both sides of the main window. We conducted a physical evaluation of this method using phantoms and also applied this method to patients in a clinical trial. The TEW method performed Compton scatter compensation with good accuracy.Entities:
Mesh：
Substances：
Year: 1993 PMID： 8254414
Source DB: PubMed Journal: J Nucl Med ISSN： 0161-5505 Impact factor: 10.057