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Practical cone-beam algorithm

L.A. Feldkamp; L. C. Davis; J. W. Kress · Journal of the Optical Society of America A · 1984

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Author / responsible party
L.A. Feldkamp; L. C. Davis; J. W. Kress
Publisher
Journal of the Optical Society of America A
Year
1984
Language
English

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A convolution-backprojection formula is deduced for direct reconstruction of a three-dimensional density function from a set of two-dimensional projections. The formula is approximate but has useful properties, including errors that are relatively small in many practical instances and a form that leads to convenient computation. It reduces to the standard fan-beam formula in the plane that is perpendicular to the axis of rotation and contains the point source. The algorithm is applied to a mathematical phantom as an example of its performance.

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APA 7

Feldkamp, L, Davis, L. C, & Kress, J. W. (1984). Practical cone-beam algorithm. https://doi.org/10.1364/josaa.1.000612

MLA

Feldkamp, L.A, et al. "Practical cone-beam algorithm." 1984. https://doi.org/10.1364/josaa.1.000612.

Chicago

Feldkamp, L.A, L. C. Davis, and J. W. Kress. 1984. "Practical cone-beam algorithm.". https://doi.org/10.1364/josaa.1.000612.

Harvard

Feldkamp, L, Davis, L. C. and Kress, J. W. 1984, Practical cone-beam algorithm, Journal of the Optical Society of America A, available at: https://doi.org/10.1364/josaa.1.000612 [Accessed 7 Aug. 2026].

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Title
Practical cone-beam algorithm
Author / contributors
L.A. Feldkamp; L. C. Davis; J. W. Kress
Publisher
Journal of the Optical Society of America A
Publication year
1984
Language
English

Subjects

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Optics; Cone (formal languages); Computer science; Beam (structure); Algorithm; Physics
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