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Shading models for illumination and reflectance invariant shape detectors
KTH, School of Engineering Sciences (SCI), Physics, Medical Imaging.ORCID iD: 0000-0002-7725-0548
KTH, School of Computer Science and Communication (CSC), Computer Vision and Active Perception, CVAP.
2008 (English)In: 2008 IEEE Conference On Computer Vision And Pattern Recognition: Vols 1-12, 2008, 3353-3360 p.Conference paper, Published paper (Refereed)
Abstract [en]

Many objects have smooth surfaces of a fairly uniform color, thereby exhibiting shading patterns that reveal information about its shape, an important clue to the nature of the object. This papers explores extracting this information from images, by creating shape detectors based on shading. Recent work has derived low-dimensional models of shading that can handle realistic unknown lighting conditions and surface reflectance properties. We extend this theory by also incorporating variations in the surface shape. In doing so it enables the creation of very general models for the 2D appearance of objects, not only coping with variations in illumination and BRDF but also in shape alterations such as small scale and pose changes. Using this framework we propose a scheme to build shading models that can be used for shape detection in a bottom up fashion without any a priori knowledge about the scene. From the developed theory we construct detectors for two basic shape primitives, spheres and cylinders. Their performance is evaluated by extensive synthetic experiments as well as experiments on real images.

Place, publisher, year, edition, pages
2008. 3353-3360 p.
Series
Proceedings - IEEE Computer Society Conference On Computer Vision And Pattern Recognition, ISSN 1063-6919
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-38763DOI: 10.1109/CVPR.2008.4587773ISI: 000259736803009Scopus ID: 2-s2.0-51949112291ISBN: 978-1-4244-2242-5 (print)OAI: oai:DiVA.org:kth-38763DiVA: diva2:439239
Conference
26th IEEE Conference on Computer Vision and Pattern Recognition, CVPR; Anchorage, AK; 23 June 2008 through 28 June 2008
Available from: 2011-09-07 Created: 2011-08-31 Last updated: 2012-01-11Bibliographically approved

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Nillius, Peter

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CiteExportLink to record
Permanent link

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Cite
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
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf