US Patent 7,372,937
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
Provided herein are methods of reconstructing an image from projection data provided by a tomography scanner that is based on geometric optics comprising scanning an object in a cone-beam imaging geometry following a non-standard spiral path or a general piecewise smooth scanning path wherein projection data is generated and reconstructing an image according to a closed-form formula that is either in the filtered backprojection (FBP) or backprojection filtration (or backprojected filtration, BPF) formats. Also provided herein are associated systems and apparatuses for tomographic imaging.
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Wang, Ge and Ye, Yangbo Systems and methods of non-standard spiral cone-beam computed tomograpy (CT). US Patent 7,372,937 filed July 15, 2005 and issued May 13, 2008. https://ir.uiowa.edu/patents/454