TY - JOUR
T1 - Formulation of four Katsevich algorithms in native geometry
AU - Katsevich, Alexander
AU - Taguchi, Katsuyuki
AU - Zamyatin, Alexander A.
N1 - Funding Information:
Manuscript received October 1, 2005; revised April 13, 2006. This work was supported in part by the National Science Foundation under Grant DMS-0104033and Grant DMS-0505494, and in part by the Toshiba Medical Systems Corporation, Japan. Asterisk indicates corresponding author. A. Katsevich is with the Department of Mathematics, University of Central Florida, Orlando, FL 32816-1364 USA (e-mail: akatsevi@pegasus.cc.ucf.edu). K. Taguchi was with Toshiba Medical Systems Corporation, Tochigi 324-8550, Japan. He is now with the Division of Medical Imaging Physics, Johns Hopkins University, Baltimore, MD 21287 USA (e-mail: ktaguchi@jhmi.edu). *A. A. Zamyatin is with Bio-Imaging Research, Inc., Lincolnshire, IL 60069 USA (e-mail: azamyatin@birinc.com). Digital Object Identifier 10.1109/TMI.2006.876159
PY - 2006/7
Y1 - 2006/7
N2 - 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.
AB - 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.
KW - Computed tomography (CT)
KW - Cone beam reconstruction
KW - Exact algorithms
KW - Shift-invariant filtering
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U2 - 10.1109/TMI.2006.876159
DO - 10.1109/TMI.2006.876159
M3 - Article
C2 - 16827487
AN - SCOPUS:33746211328
SN - 0278-0062
VL - 25
SP - 855
EP - 868
JO - IEEE transactions on medical imaging
JF - IEEE transactions on medical imaging
IS - 7
M1 - 1644802
ER -