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Feature Based Defuzzification at Increased Spatial Resolution
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- Lindblad, Joakim (author)
- Uppsala universitet,Centrum för bildanalys,Datoriserad bildanalys
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- Sladoje, Natasa (author)
- Uppsala universitet,Centrum för bildanalys
- (creator_code:org_t)
- Berlin, Heidelberg : Springer Berlin Heidelberg, 2006
- 2006
- English.
- In: Combinatorial Image Analysis. - Berlin, Heidelberg : Springer Berlin Heidelberg. - 9783540351535 ; , s. 131-143
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Defuzzification of fuzzy spatial sets by feature distance minimization, recently proposed as an alternative to crisp segmentation, is studied further. Fully utilizing information available in a fuzzy (discrete) representation of a continuous shape, we present an improved defuzzification method, such that the crisp discrete representation of a fuzzy set is generated at an increased spatial resolution, compared to the resolution of the fuzzy set. The correspondence between a fuzzy and a crisp set is established through a distance between their representations based on selected features, where the different resolutions of the images to compare are taken into account. The performance of the method is tested on both synthetic and real images.
Subject headings
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datorseende och robotik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Vision and Robotics (hsv//eng)
Keyword
- fuzzy sets
- defuzzification
- multigrid resolution
- distance measure
- feature estimates
- Image analysis
- Bildanalys
Publication and Content Type
- ref (subject category)
- kon (subject category)
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