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Orientation Estimation in Ambiguous Neighbourhoods
Linköping University, Department of Biomedical Engineering, Medical Informatics. 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
1991 (English)In: Proceedings of SCIA91: Aalborg, Denmark, 1991Conference paper, Published paper (Refereed)
Abstract [en]

This paper describes a new algorithm for local orientation estimation. The proposed algorithm detects and separates interfering events in ambiguous neighbourhoods and produces robust estimates of the two most dominant events. A representation suitable for simultaneous representation of two orientations is introduced. The main purpose of this representation is to make averaging of outputs for neigbourhoods containing two orientations possible. The feature extraction is performed by a set of quadrature filters. A method to obtain a large set of quadrature filter responses from a limited basis filter set is introduced. The estimation of the neighbourhood and the separation of the present events are based upon the quadrature responses in terms of local magnitude and phase. The performance of the algorithm is demonstrated using test images.

Place, publisher, year, edition, pages
1991.
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Engineering and Technology
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URN: urn:nbn:se:liu:diva-21634OAI: oai:DiVA.org:liu-21634DiVA: diva2:241599
Available from: 2009-10-05 Created: 2009-10-05 Last updated: 2013-08-28

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Andersson, Mats T.Knutsson, Hans

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
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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