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Dimensionality Reduction for Colour Based Pixel Classification

Gavrilovic, Milan, 1981- (author)
Uppsala universitet,Datoriserad bildanalys
Wählby, Carolina, 1974- (author)
Uppsala universitet,Datoriserad bildanalys
Lindblad, Joakim, 1973- (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Uppsala universitet,Datoriserad bildanalys,,Centre for Image Analysis
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Bengtsson, Ewert, 1948- (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Uppsala universitet,Datoriserad bildanalys,Centrum för bildanalys,Centre for Image Analysis
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 (creator_code:org_t)
 
ISBN 9789163339240
Halmstad : Halmstad University, 2009
2009
English.
In: Proceedings SSBA 2009. - Halmstad : Halmstad University. - 9789163339240 ; , s. 65-68
  • Conference paper (other academic/artistic)
Abstract Subject headings
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  • In digital images, providing classification based on colour, hue or spectral angle is a problem usually solved by combining a variety of pre-processing steps, as well as object wise classifiers. We have developed a method for transforming colour or multispectral image data to a 1D colour histogram with respect to the digital characteristics of intensity measurements. Classification is then reduced to 1D histogram segmentation which is a simpler problem. The proposed method, based on ideas of spectral decomposition, was previously applied in dual-colour fluorescence microscopy for quantification and detection of colocalization insensitive to cross-talk. In this paper the principle is expanded to unsupervised colour based pixel classification algorithms in hue-saturation-lightness or luminance-chrominance colour spaces.

Subject headings

NATURVETENSKAP  -- Data- och informationsvetenskap -- Datorseende och robotik (hsv//swe)
NATURAL SCIENCES  -- Computer and Information Sciences -- Computer Vision and Robotics (hsv//eng)

Keyword

color image analysis
human skin color
face detection
fluorescence microscopy
cross talk
dimensionality reduction
Image analysis
Bildanalys
Datoriserad bildanalys
Computerized Image Analysis

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vet (subject category)
kon (subject category)

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