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Volume: 4 | Article ID: art00062
A novel approach to hue ordering
  DOI :  10.2352/CGIV.2008.4.1.art00062  Published OnlineJanuary 2008

Applying morphological operators to colour images requires that the colour vectors can be ordered. In this paper we propose an alternative to traditional lexicographic ordering methods by replacing the hue component with a new component named anti-saturation, which is the distance from the given colour vector to the boundary of the colour cube. While anti-saturation does not permit a total ordering, as does the hue angle, it both varies smoothly with hue angle and does not contain any discontinuities, making it a plausible candidate for a third level of lexicographic ordering instead of hue-angle.

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David Connah, Graham D. Finlayson, Marina Bloj, "A novel approach to hue orderingin Proc. IS&T CGIV 2008/MCS'08 4th European Conf. on Colour in Graphics, Imaging, and Vision 10th Int'l Symp. on Multispectral Colour Science,  2008,  pp 287 - 291,

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