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Practical cone-beam algorithm
Abstract
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. 1.
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Cited by
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Metadata
- Authors
- Feldkamp, L. A., Davis, L. C., & Kress, J. W.
- Venue
- Journal of the Optical Society of America A
- Publisher
- Optica Publishing Group
- Published
- 1984-06-01
- Volume
- 1
- Issue
- 6
- Pages
- 612
- ISSN
- 1084-7529 (ISSN-L)
- 1520-8532
- OpenAlex
- W2157812230
- Cited by
- 6,319
- References
- 0
- FWCI
- 2.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Practical cone-beam algorithm. https://app.cochat.ai/papers/10.1364/josaa.1.000612
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- Feldkamp, L. A., Davis, L. C., & Kress, J. W. (1984). Practical cone-beam algorithm. Journal of the Optical Society of America A. https://doi.org/10.1364/josaa.1.000612
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
