ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,198, issued on May 13, was assigned to UNIVERSITY OF VIRGINIA PATENT FOUNDATION (Charlottesville, Va.).
"System and method to compute a pixel sensitivity map of an imaging device" was invented by Jeffrey Vincent Siebers (Richmond, Va.) and Mahmoud Ahmed (Charlottesville, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image calibration method includes capturing and correcting a flood field image for background signal and effects of known image-panel features (dead/bad pixels). The corrected image is processed to separate frequencies characteristic of relative pixel sensitivities from frequencies characteristic of radiation energy fluence. The ...