Formulation of four Katsevich algorithms in native geometry

Alexander Katsevich; Katsuyuki Taguchi; Alexander A Zamyatin

doi:10.1109/tmi.2006.876159

Formulation of four Katsevich algorithms in native geometry

IEEE Trans Med Imaging. 2006 Jul;25(7):855-68. doi: 10.1109/tmi.2006.876159.

Authors

Alexander Katsevich¹, Katsuyuki Taguchi, Alexander A Zamyatin

Affiliation

¹ Department of Mathematics, University of Central Florida, Orlando, FL 32816-1364, USA. akatsevi@pegasus.cc.ucf.edu

PMID: 16827487
DOI: 10.1109/tmi.2006.876159

Abstract

We derive formulations of the four exact helical Katsevich algorithms in the native cylindrical detector geometry, which allow efficient implementation in modern computed tomography scanners with wide cone beam aperture. Also, we discuss some aspects of numerical implementation.

Publication types

Comparative Study
Evaluation Study
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

Algorithms*
Imaging, Three-Dimensional / methods*
Information Storage and Retrieval / methods
Numerical Analysis, Computer-Assisted
Radiographic Image Enhancement / methods
Radiographic Image Interpretation, Computer-Assisted / methods*
Reproducibility of Results
Sensitivity and Specificity
Signal Processing, Computer-Assisted*
Tomography, Spiral Computed / methods*