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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2010.2064328
|2 doi
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|a pubmed24n0667.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Averbuch, Amir
|e verfasserin
|4 aut
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|a Accelerating x-ray data collection using pyramid beam ray casting geometries
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 27.04.2011
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|a Date Revised 14.01.2011
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Image reconstruction from its projections is a necessity in many applications such as medical (CT), security, inspection, and others. This paper extends the 2-D Fan-beam method in [2] to 3-D. The algorithm, called Pyramid Beam (PB), is based upon the parallel reconstruction algorithm in [1]. It allows fast capturing of the scanned data, and in 3-D, the reconstructions are based upon the discrete X-ray transform [1]. The PB geometries are reordered to fit parallel projection geometry. The underlying idea is to use the algorithm in [1] by porting the proposed PB geometries to fit the algorithm in [1]. The complexity of the algorithm is comparable with the 3-D FFT. The results show excellent reconstruction qualities while being simple for practical use
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|a Journal Article
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|a Lifschitz, Guy
|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 20(2011), 2 vom: 15. Feb., Seite 523-33
|w (DE-627)NLM09821456X
|x 1941-0042
|7 nnns
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| 773 |
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|g volume:20
|g year:2011
|g number:2
|g day:15
|g month:02
|g pages:523-33
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|u http://dx.doi.org/10.1109/TIP.2010.2064328
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|d 20
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|h 523-33
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