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The design of limited angle tomography systems requires the optimization of various imaging parameters in order to achieve useful as well as reliable results. Algebraic reconstruction techniques, specifically the SART algorithm, have given excellent results in CT and are being actively considered for limited angle commercial applications such as tomosynthesis. In this study, we simulate a range of limited angle scenarios by systematically varying a number of key imaging parameters, and examine the performance of the SART algorithm under these variations. The phantoms used are basic ellipsoids in 2D, yielding analytical projections, and an MR-derived breast phantom in 3D.

Original publication

DOI

10.1109/IEMBS.2008.4649766

Type

Journal article

Journal

Conf Proc IEEE Eng Med Biol Soc

Publication Date

2008

Volume

2008

Pages

2729 - 2732

Keywords

Algorithms, Artifacts, Breast, Computer Simulation, Female, Fourier Analysis, Humans, Image Enhancement, Image Processing, Computer-Assisted, Mammography, Models, Statistical, Phantoms, Imaging, Tomography, X-Ray Computed