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Sensors 2009, 9(6), 4606-4614; doi:10.3390/s90604606

Exact Weighted-FBP Algorithm for Three-Orthogonal-Circular Scanning Reconstruction

College of Computer, Sichuan University, 610065, Chengdu, P. R. China
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Received: 28 April 2009 / Revised: 21 May 2009 / Accepted: 12 June 2009 / Published: 12 June 2009
(This article belongs to the Section Chemical Sensors)
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Abstract

Recently, 3D image fusion reconstruction using a FDK algorithm along threeorthogonal circular isocentric orbits has been proposed. On the other hand, we know that 3D image reconstruction based on three-orthogonal circular isocentric orbits is sufficient in the sense of Tuy data sufficiency condition. Therefore the datum obtained from three-orthogonal circular isocentric orbits can derive an exact reconstruction algorithm. In this paper, an exact weighted-FBP algorithm with three-orthogonal circular isocentric orbits is derived by means of Katsevich’s equations of filtering lines based on a circle trajectory and a modified weighted form of Tuy’s reconstruction scheme. View Full-Text
Keywords: cone-beam reconstruction; three-orthogonal scanning; filtering lines; weighting function cone-beam reconstruction; three-orthogonal scanning; filtering lines; weighting function
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Hu, H.; Zhang, J. Exact Weighted-FBP Algorithm for Three-Orthogonal-Circular Scanning Reconstruction. Sensors 2009, 9, 4606-4614.

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