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The reconstruction of three-dimensional (3D) objects from 2D X-ray cone–beam projections using a circular source path is most commonly done with an algorithm according to Feldkamp et al. [Feldkamp LA, Davis LC, Kress JW. Practical cone–beam algorithms. J Opt Soc Am A 1984;6:612–619]. An adaptation of this so-called Feldkamp method to cone–beam projections acquired with a C-arm system is presented...
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