US Patent 7,697,658
United States Patent and Trademark Office
Virginia Tech Intellectual Properties, Inc. (Blacksburg, VA, US) ; University of Iowa Research Foundation (Iowa City, IA, US)
A system and method for tomographic image reconstruction using truncated limited-angle projection data that allows exact interior reconstruction (interior tomography) of a region of interest (ROI) based on the linear attenuation coefficient distribution of a subregion within the ROI, thereby improving image quality while reducing radiation dosage. In addition, the method includes parallel interior tomography using multiple sources beamed at multiple angles through an ROI and that enables higher temporal resolution.
Wang, Ge; Ye, Yangbo; and Yu, Hengyong Interior tomography and instant tomography by reconstruction from truncated limited-angle projection data. US Patent 7,697,658 filed January 30, 2009 and issued April 13, 2010. https://ir.uiowa.edu/patents/502