Title

On two versions of a 3 pi algorithm for spiral CT

Authors

Authors

A. Katsevich

Comments

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Abbreviated Journal Title

Phys. Med. Biol.

Keywords

CONE-BEAM CT; Engineering, Biomedical; Radiology, Nuclear Medicine & Medical Imaging

Abstract

A 3pi algorithm is obtained in which all the derivatives are confined to a detector array. Distance weighting of backprojection coefficients of the algorithm is studied. A numerical experiment indicates that avoiding differentiation along the source trajectory improves spatial resolution. Another numerical experiment shows that the terms depending on the non-standard distance weighting 1/\x - y(s)\ can no longer be ignored.

Journal Title

Physics in Medicine and Biology

Volume

49

Issue/Number

11

Publication Date

1-1-2004

Document Type

Article; Proceedings Paper

Language

English

First Page

2129

Last Page

2143

WOS Identifier

WOS:000222216800002

ISSN

0031-9155

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