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Use of phase and certainty information in automatic detection of stellate patterns in mammograms: IMAGE PROCESSING, PTS 1-3
KTH, Superseded Departments, Physics.
2004 (English)In: MEDICAL IMAGING 2004: IMAGE PROCESSING, PTS 1-3 / [ed] Fitzpatrick, JM; Sonka, M, BELLINGHAM: SPIE-INT SOC OPTICAL ENGINEERING , 2004, Vol. 5370, 97-107 p.Conference paper, Published paper (Refereed)
Abstract [en]

Detection of stellate patterns is a very important step in computer-aided detection schemes designed for mammography. We introduce a new way of finding these regions based on the use of quadrature filters. The method allows extraction of a certainty measure for each orientation estimate. This makes the method of finding the areas the spicules seem to emanate from more robust than simply basing it on the orientation estimates themselves. The local phase extracted from the filter outputs allows us to discriminate between orientation estimates from edges and dark lines from those generated by bright line structures, i.e. spicules. This makes the method more specific. We also show how the method can be modified for finding non-spiculated masses in digitized mammograms.

Place, publisher, year, edition, pages
BELLINGHAM: SPIE-INT SOC OPTICAL ENGINEERING , 2004. Vol. 5370, 97-107 p.
Series
Proceedings of SPIE, ISSN 0277-786X ; 5370
Keyword [en]
CAD, breast cancer, spiculated lesion, quadrature filter, phase
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-43929DOI: 10.1117/12.535826ISI: 000222378600013Scopus ID: 2-s2.0-5644276512ISBN: 0-8194-5283-1 (print)OAI: oai:DiVA.org:kth-43929DiVA: diva2:451300
Conference
Medical Imaging 2004 Conference. San Diego, CA. FEB 17-19, 2004
Note
QC 20111025Available from: 2011-10-25 Created: 2011-10-19 Last updated: 2011-11-01Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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