Modification of Feldkamp Algorithm for Bifocal Tomography

A.V. Likhachov and V.V. Pickalov (Russia)


modeling, tomography, bifocal geometry, Feldkamp algorithm


The present work examines the Feldkamp reconstruction algorithm as applied to tomography reconstruction of the internal structure of a three-dimensional object from projection data measured in a bifocal geometry. To make the reconstruction from such data possible, the backprojection procedure in this algorithm was substantially modified. Considerable attention was focused on filtration realization in the algorithm. Numerical simulations have been carried out.

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