NDLI: Tilted plane Feldkamp type reconstruction algorithm for spiral cone-beam CT

Content Provider	IEEE Xplore Digital Library
Author	Ming Yan Cishen Zhang
Copyright Year	2004
Description	Author affiliation: Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore (Ming Yan; Cishen Zhang)
Abstract	An approximation image reconstruction method for spiral cone-beam computed tomography (CT), called tilted plane Feldkamp type reconstruction algorithm (TPFR), is presented in this paper, which extends the Feldkamp cone-beam reconstruction algorithm to overcome its inaccuracy problem caused by large cone-angle. This is done by tilting the reconstructing planes to minimize the cone angle and optimally fit the spiral segment of the source. After reconstruction of the tilted plane images, a subsequent interpolation step reforms the tilted plane images to plane images perpendicular to the z-axis. Simulations of Shepp-Logan phantom can show that the image reconstruction performance of the proposed TPFR algorithm is superior to that of the conventional Feldkamp type reconstruction algorithm.
Starting Page	419
Ending Page	424
File Size	1107304
Page Count	6
File Format	PDF
ISBN	0780386531
DOI	10.1109/ICARCV.2004.1468862
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-12-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reconstruction algorithms Spirals Image reconstruction Computed tomography Approximation algorithms Interpolation Detectors Geometry Image segmentation Computational modeling
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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