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Ectomography. A New Radiographic Reconstruction Method: II. Computer Simulated Experiments
n/a.
n/a.
Linköping University, Department of Electrical Engineering, Computer Vision. Linköping University, The Institute of Technology.
Linköping University, Department of Biomedical Engineering, Medical Informatics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-9091-4724
1980 (English)In: IEEE Transactions on Biomedical Engineering, ISSN 0018-9294, E-ISSN 1558-2531, Vol. BME--27, no 11, 649-655 p.Article in journal (Refereed) Published
Abstract [en]

In a special radiographic process, ectomography, an image of a slice is produced by simple summation of a set of specially filtered component images, of which each represents one of at least 60 different projections of the object. After being digitized, they are stored, filtered, and summed in a computer. Images representing any slice of any thickness in the object may be produced from the same set of component images. All details within the slice are pictured correctly while details outside are almost completely eliminated.

Place, publisher, year, edition, pages
1980. Vol. BME--27, no 11, 649-655 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-21581DOI: 10.1109/TBME.1980.326705OAI: oai:DiVA.org:liu-21581DiVA: diva2:241543
Available from: 2009-10-04 Created: 2009-10-04 Last updated: 2017-12-13
In thesis
1. Filtering and reconstruction in image processing
Open this publication in new window or tab >>Filtering and reconstruction in image processing
1982 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Image processing is a broad field posing a wide range of problems. The Work presented in this dissertation is mainly concerned with filter design subjectto different criteria and constraints.

The first part describes the development of a new radiographic reconstruction method designated Ectomography. The method is novel in that it allows reconstruction of an arbitrarily thick layer of an object using limited viewing angle.

The subject of the second partis estimation and filtering of local image information. Quadrature filters are designed enabling accurate orientation and frequency estimates. The extracted information is shown to provide a good basis fo r efficient image enhancement and coding procedures.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 1982. 11 p.
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 88
Keyword
Ectomography, Radiographic reconstruction method, Image processing, Elektronik
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-54890 (URN)91-7372-595-1 (ISBN)
Public defence
1982-12-17, C3, Hus C, Campus Valla, Linköpings universitet, Linköping, 09:15 (English)
Supervisors
Available from: 2010-04-19 Created: 2010-04-19 Last updated: 2013-08-28Bibliographically approved

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Granlund, Gösta H.Knutsson, Hans E.

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