Abstract
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.
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© 1993 Springer-Verlag Berlin Heidelberg
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Alshatti, W., Lambert, P. (1993). Using eigenvectors of a vector field for deriving a second directional derivative operator for color images. In: Chetverikov, D., Kropatsch, W.G. (eds) Computer Analysis of Images and Patterns. CAIP 1993. Lecture Notes in Computer Science, vol 719. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57233-3_20
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DOI: https://doi.org/10.1007/3-540-57233-3_20
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