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2008 year, number 1

Numerical Efficiency of the Pipeline Algorithm of Three-Dimensional Tomography

V. P. Karikh
Altai Federal Research and Production Center, Biysk, Russia
Pages: 69-74


Amounts of calculations intended for implementing various algorithms of cone-beam 3D tomography reconstruction are analyzed. A technically simple way of spiral scanning meeting the requirement of completeness condition is considered. Methods for reducing the amount of calculations by considering only the necessary part of projection data for object reconstruction at a specific point and by eliminating calculation of the beam index in the reciprocal projection are proposed. A method for modeling the cone-beam tomography process is illustrated using the proposed algorithm.