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Generalized Extreme Value Distributions, Information Geometry And Sharpness Functions For Microscopy Images:
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology. Linköping University, Center for Medical Image Science and Visualization (CMIV).ORCID iD: 0000-0001-7557-4904
2014 (English)In: 2014 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP), 2014, 2848-2852 p.Conference paper, Published paper (Refereed)
Abstract [en]

We introduce the generalized extreme value distributions asdescriptors of edge-related visual appearance properties. Theoreticallythese distributions are characterized by their limitingand stability properties which gives them a role similarto that of the normal distributions. Empirically we will showthat these distributions provide a good fit for images from alarge database of microscopy images with two visually verydifferent types of images. The generalized extreme value distributionsare transformed exponential distributions for whichanalytical expressions for the Fisher matrix are available. Wewill show how the determinant of the Fisher matrix and thegradient of the determinant of the Fisher matrix can be usedas sharpness functions and a combination of the determinantand the gradient information can be used to improve the qualityof the focus estimation.

Place, publisher, year, edition, pages
2014. 2848-2852 p.
Series
International Conference on Acoustics Speech and Signal Processing ICASSP, ISSN 1520-6149, E-ISSN 2379-190X
Keyword [en]
generalized extreme value distribution, information geometry, edge statistics, auto-focus, imagebased screening
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:liu:diva-107139DOI: 10.1109/ICASSP.2014.6854120ISI: 000343655302177ISBN: 978-1-4799-2893-4 (print)OAI: oai:DiVA.org:liu-107139DiVA: diva2:722032
Conference
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2014), Florence, Italy, May 4-9, 2014
Projects
Virtual Photo Set, VPS
Available from: 2014-06-05 Created: 2014-06-05 Last updated: 2017-03-07

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Lenz, Reiner

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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