Using eigenvectors of a vector field for deriving a second directional derivative operator for color images

  • W. Alshatti
  • P. Lambert
Edges and Contours
Part of the Lecture Notes in Computer Science book series (LNCS, volume 719)


Edge detection in color images could be seen as detecting changes in a vector field.This paper presents a survey on existing methods and their difficulties. A second directional derivative approach is proposed, using eigenvalues and eigenvectors of a vector field for deriving a color edge detector and avoiding some ambiguities in the gradient direction estimation. Qualitative studies are presented by applying and comparing the different technics on a real image.


Image processing Color edge detection Color edge localization Vector field 


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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • W. Alshatti
    • 1
  • P. Lambert
    • 1
  1. 1.Laboratoire d'Automatique et MicroInformatique IndustrielleLAMII/CESALP-Université de SavoieAnnecy CedexFrance

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