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Flexible Template and Model Matching Using Intensity
University College London.
University College London.
2005 (English)In: Proceedings of Digital Image Computing: Techniques and Applications, / [ed] Brian C. Lovell, Anthony J. Maeder, Terry Caelli, and Sebastien Ourselin, IEEE , 2005, 438--447 p.Conference paper, Published paper (Refereed)
Abstract [en]

Intensity-based image and template matching is briefly reviewed with particular emphasis on the problems that arise when flexible templates or models are used. Use of such models and templates may often lead to a very small basin of attraction in the error landscape surrounding the desired solution and also to spurious, trivial solutions. Simple examples are studied in order to illustrate these problems which may arise from photometric transformations of the template, from geometric transforms of it or from internal parameters of the template that allow similar types of variation. It is pointed out that these problems are, from a probabilistic point of view, exacerbated by a failure to model the whole image, i.e. both the foreground object or template and the image background, which a Bayesian approach strictly requires. Some general remarks are made about the form of the error landscape to be expected in object recognition applications and suggestions made as to optimisation techniques that may prove effective in locating a correct match. These suggestions are illustrated by a preliminary example.

Place, publisher, year, edition, pages
IEEE , 2005. 438--447 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-52179DOI: 10.1109/DICTA.2005.1578162ISBN: 0-7695-2774-4 (print)OAI: oai:DiVA.org:liu-52179DiVA: diva2:280086
Conference
DICTA 2005, Digital Image Computing: Techniques and Applications, December 6-8, 2005 Cairns Convention Centre, Brisbane, Australia
Available from: 2010-09-21 Created: 2009-12-08 Last updated: 2010-09-21Bibliographically approved

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Zografos, Vasileios

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CiteExportLink to record
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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