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== Extension to fan beam or cone-beam CT ==
The projection-slice theorem is suitable for CT image reconstruction with parallel beam projections. It does not directly apply to fanbeam or conebeam CT. The theorem was extended to fan-beam and conebeam CT image reconstruction by Shuang-ren Zhao in 1995.<ref name="ZhaoFSliceThoerem">{{cite book |author = Zhao S.R. and H.Halling |title = A New Fourier Transform Method for fan Beam Tomography |journal = Published in 1995 Nuclear Science Symposium and Medical Imaging Conference Record |volume = 2 |year = 1995 |pages = 1287–91 |doi = 10.1109/NSSMIC.1995.510494 |isbn = 978-0-7803-3180-8 |s2cid = 60933220 }}</ref>
== See also ==
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== Further reading ==
* {{cite journal |last = Bracewell |first = Ronald N. |author-link = Ronald N. Bracewell |title = Numerical Transforms |journal = Science |year = 1990 |volume = 248 |pages = 697–704 |doi = 10.1126/science.248.4956.697 |pmid = 17812072 |issue = 4956 |bibcode = 1990Sci...248..697B |s2cid = 5643835 }}
* {{cite journal |last = Bracewell |first = Ronald N. |title = Strip Integration in Radio Astronomy |journal = Aust. J. Phys. |year = 1956 |volume = 9 |pages = 198 |doi = 10.1071/PH560198 |issue = 2 |bibcode = 1956AuJPh...9..198B |doi-access = free }}
* {{cite book |author = Gaskill, Jack D. |title = Linear Systems, Fourier Transforms, and Optics |publisher = John Wiley & Sons, New York |year = 2005 |isbn = 978-0-471-29288-3 }}
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