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The Linogram Algorithm and Direct Fourier Method with Linograms
Linköping University, Department of Medicine and Care, Radio Physics. Linköping University, Faculty of Health Sciences.
1991 (English)Report (Other academic)
Abstract [en]

The conventionai map of projection data will here be called the sinogram map. Among the algorithms used with this map of data there are two of main interest for this paper: the Filtered Back Projection (FBP) and the Direct Fourier Method (DFM). FBP is the most popular algorithm used in commercial eT machines although it is computationally expensive compared to the DFM. The reason for its popularity is that FBP gives better pictures than the DFM uniess the lat ter is used with very careful interpolations.

In this paper another map of projection data will be presented, here called the linogram map. The FBP may be implemented with this map in a particularly simple way, here called the Linogram Algorithm (LA). In this the back projection, which is so computationally expensive with the sinogram map, can be reduced to a computationally inexpensive series of FFT's.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press , 1991. , 21 p.
Series
Report / Department of Radiology, Linköping University, 1990-1997, ISSN 1102-1799 ; 65
National Category
Radiology, Nuclear Medicine and Medical Imaging
Identifiers
URN: urn:nbn:se:liu:diva-57738ISRN: LIU-RAD-R-065OAI: oai:DiVA.org:liu-57738DiVA: diva2:327658
Note
In the printed version the ISSN 0348-7679 is incorrect. The correct ISSN is 1102-1799.Available from: 2010-06-30 Created: 2010-06-30 Last updated: 2010-07-08Bibliographically approved

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Radio PhysicsFaculty of Health Sciences
Radiology, Nuclear Medicine and Medical Imaging

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf