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Feature Extraction for Computer-Aided Analysis of Mammograms
Linköping University, Department of Electrical Engineering, Computer Vision. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Computer Vision. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Computer Vision. Linköping University, The Institute of Technology.
1994 (English)In: State of the Art in Digital Mammographic Image Analysis: eds K W Bowyer and S Astley / [ed] K.W. Bowyer, S. Astley, Singapore: World Scientific Publishing Co. Ltd , 1994Chapter in book (Refereed)
Abstract [en]

A framework for computer-aided analysis of mammograms is described. General computer vision algorithms are combined with application specific procedures in a hierarchical fashion. The system is under development and is currently limited to detection of a few types of suspicious areas. The image features are extracted by using feature extraction methods where wavelet techniques are utilized. A low-pass pyramid representation of the image is convolved with a number of quadrature filters. The filter outputs are combined according to simple local Fourier domain models into parameters describing the local neighborhood with respect to the model. This produces estimates for each pixel describing local size, orientation, Fourier phase, and shape with confidence measures associated to each parameter. Tentative object descriptions are then extracted from the pixel-based features by application-specific procedures with knowledge of relevant structures in mammograms. The orientation, relative brightness and shape of the object are obtained by selection of the pixel feature estimates which best describe the object. The list of object descriptions is examined by procedures, where each procedure corresponds to a specific type of suspicious area, e.g. clusters of microcalcifications.

Place, publisher, year, edition, pages
Singapore: World Scientific Publishing Co. Ltd , 1994.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-51504PubMedID: 00000000ISBN: 9810215096 (print)ISBN: 9789810215095 (print)OAI: oai:DiVA.org:liu-51504DiVA: diva2:275345
Available from: 2009-11-04 Created: 2009-11-04 Last updated: 2014-03-31

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Granlund, Gösta H.

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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
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