Title :
A comparison of several interpolation methods in 3D X-ray cone beam reconstruction
Author :
Donaire, J.G. ; Garcia, I.
Author_Institution :
Dept. of Arquitectura de Comput. y Electron., Univ. of Almeria, Almeria, Spain
Abstract :
This work is concerned with the use of iterative methods for image reconstruction from projections in 3D cone beam transmission tomography. It is aimed at the analysis of several 2D interpolation methods used to obtain the projection matrix and a set of parameters that play an important role in the reconstruction process, such as the relaxation parameter λ and the interpolation footprint radius, and the use of a Global Optimization algorithm for the best choice of these free parameters.
Keywords :
computerised tomography; image reconstruction; interpolation; iterative methods; medical image processing; 2D interpolation methods; 3D X-ray cone beam reconstruction; 3D cone beam transmission tomography; global optimization; image reconstruction; interpolation footprint radius; iterative methods; projection matrix; relaxation parameter; Accuracy; Convergence; Image reconstruction; Interpolation; Subspace constraints; Three-dimensional displays; Tomography;
Conference_Titel :
Signal Processing Conference (EUSIPCO 1998), 9th European
Conference_Location :
Rhodes
Print_ISBN :
978-960-7620-06-4
