ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,361, issued on March 24, was assigned to Washington University (St. Louis).

"Systems and methods for low-count quantitative projection domain SPECT imaging" was invented by Abhinav Kumar Jha (St. Louis), Zekun Li (St. Louis), Daniel Thorek (St. Louis) and Md Ashequr Rahman (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for low-count quantitative single-photon emission computed tomography (LC-QSPECT) is provided. The system is programmed to a) store a computer tomography (CT) scan of a subject being examining including a plurality of defined volumes of interest (VOIs) of the subject being examined; b) model a system matrix based ...