General formulation for x-ray computed tomography

Yuchuan Wei; Hengyong Yu; Jiang Hsieh; Ge Wang

doi:10.1117/12.680745

7 September 2006 General formulation for x-ray computed tomography

Yuchuan Wei, Hengyong Yu, Jiang Hsieh, Ge Wang

Proceedings Volume 6318, Developments in X-Ray Tomography V; 63181N (2006) https://doi.org/10.1117/12.680745
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Over recent years, various exact cone-beam reconstruction algorithms have been proposed. The derivations of these algorithms are quite complicated, and often difficult to see the fundamental connections among these methods and their key steps. In this paper, we present a straightforward perspective based on the Fourier transform, which is a universal principle for parallel and divergent beam computed tomography (CT). The formulas in this paper are not only consistent with the latest findings in the field but also valid under more general conditions.

Citation Download Citation

Yuchuan Wei, Hengyong Yu, Jiang Hsieh, and Ge Wang "General formulation for x-ray computed tomography", Proc. SPIE 6318, Developments in X-Ray Tomography V, 63181N (7 September 2006); https://doi.org/10.1117/12.680745

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