Physical Evaluation of the Weighted Feldkamp Algorithms Applied to the 256-Detector Row CT Scanner for Volumetric Cine Imaging

Despite its inferiority to FS-FDK for static objects, HS-FDK may be useful in chest imaging. Contrary to previous findings using static images, NHS-FDK failed to show advantages over HS-FDK or FS-FDK in a moving phantom and human subjects.