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1 November 1992 Zero cylinder coordinate system approach to image reconstruction in fan beam ICT
Yan-Chun Yan, Wu Xian, Ernest L. Hall
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Proceedings Volume 1826, Intelligent Robots and Computer Vision XI: Biological, Neural Net, and 3D Methods; (1992) https://doi.org/10.1117/12.131625
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States
Abstract
The state-of-the-art of the transform algorithms has allowed the newest versions to produce excellent and efficient reconstructed images in most applications, especially in medical CT and industrial CT etc. Based on the Zero Cylinder Coordinate system (ZCC) presented in this paper, a new transform algorithm of image reconstruction in fan beam industrial CT is suggested. It greatly reduces the amount of computation of the backprojection, which requires only two INC instructions to calculate the weighted factor and the subcoordinate. A new backprojector is designed, which simplifies its assembly-line mechanism based on the ZCC method. Finally, a simulation results on microcomputer is given out, which proves this method is effective and practical.
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Yan-Chun Yan, Wu Xian, and Ernest L. Hall "Zero cylinder coordinate system approach to image reconstruction in fan beam ICT", Proc. SPIE 1826, Intelligent Robots and Computer Vision XI: Biological, Neural Net, and 3D Methods, (1 November 1992); https://doi.org/10.1117/12.131625
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