US Patent Issued to Canon on Aug. 25 for "Apparatus and method for beam-hardening correction in computed tomography" (Illinois Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,448, issued on Aug. 25, was assigned to Canon K.K. (Tokyo).

"Apparatus and method for beam-hardening correction in computed tomography" was invented by Yujie Lu (Vernon Hills, Ill.), Liang Cai (Vernon Hills, Ill.), Zhou Yu (Glenview, Ill.) and Jian Zhou (Buffalo Grove, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to some embodiments, a method comprises obtaining a group of reconstructed-image data; converting the group of reconstructed-image data to a derivative of Radon space, thereby generating Radon-space data, wherein the Radon-space data have a radial sampling pattern in the derivative of Radon space; and generating resampled d...