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Avtometriya

2009 year, number 1

Projection Data Replenishment Algorithm for Limited Angle Tomography

A. V. Likhachov
Keywords: limited angle tomography, generation of projections, iterative algorithms of reconstruction
Pages: 83-91

Abstract

A new iterative algorithm of tomographic reconstruction of objects on the basis of projection data available in a limited range of angles only is proposed. The algorithm is based on calculating artificial projections in those directions where projection data are unavailable. By means of numerical simulations, it is verified that the algorithm developed ensured high quality of reconstruction up to the angular interval of 45-60