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Proceedings Paper

Application of fast radon transform to CT scanners: difficulties and solutions
Author(s): Abhishek Mitra; Swapna Banerjee
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Paper Abstract

As a tomographic reconstruction algorithm, the recently proposed "Fast Radon Transform" (FRT) has some computational advantages. To prove its practical importance the technical difficulties associated with its application to fan-beam CT scanners as well as Spiral/Helical CT system are solved here. Some techniques are described to convert the actual fan-beam data or the spiral/helical CT data to parallel-beam data required for the FRT algorithm in order to reconstruct the CT images. Simulation results are presented to validate the complete method.

Paper Details

Date Published: 16 March 2007
PDF: 9 pages
Proc. SPIE 6510, Medical Imaging 2007: Physics of Medical Imaging, 65105Q (16 March 2007); doi: 10.1117/12.705922
Show Author Affiliations
Abhishek Mitra, IIT Kharagpur (India)
Swapna Banerjee, IIT Kharagpur (India)

Published in SPIE Proceedings Vol. 6510:
Medical Imaging 2007: Physics of Medical Imaging
Jiang Hsieh; Michael J. Flynn, Editor(s)

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