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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2011.2164416
|2 doi
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|a eng
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|a Averbuch, Amir
|e verfasserin
|4 aut
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|a CT reconstruction from parallel and fan-beam projections by a 2-D discrete Radon transform
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|c 2012
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 16.05.2012
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|a Date Revised 27.06.2012
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|a published: Print-Electronic
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|a ErratumIn: IEEE Trans Image Process. 2012 Jun;21(6):3119-20
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|a Citation Status MEDLINE
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|a © 2011 IEEE
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|a The discrete Radon transform (DRT) was defined by Abervuch as an analog of the continuous Radon transform for discrete data. Both the DRT and its inverse are computable in O(n(2) log n) operations for images of size n × n. In this paper, we demonstrate the applicability of the inverse DRT for the reconstruction of a 2-D object from its continuous projections. The DRT and its inverse are shown to model accurately the continuum as the number of samples increases. Numerical results for the reconstruction from parallel projections are presented. We also show that the inverse DRT can be used for reconstruction from fan-beam projections with equispaced detectors
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|a Journal Article
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|a Sedelnikov, Ilya
|e verfasserin
|4 aut
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|a Shkolnisky, Yoel
|e verfasserin
|4 aut
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 21(2012), 2 vom: 15. Feb., Seite 733-41
|w (DE-627)NLM09821456X
|x 1941-0042
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|g volume:21
|g year:2012
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|g day:15
|g month:02
|g pages:733-41
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|u http://dx.doi.org/10.1109/TIP.2011.2164416
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