The "False Colour" Problem
acm(2009)
摘要
The emergence of new data in multidimensional function lattices is studied. A typical example is the apparition of false colours
when (R,G,B) images are processed. Two lattice models are specially analysed. Firstly, one considers a mixture of total and
marginal orderings where the variations of some components are governed by other ones. This constraint yields the “pilot lattices”.
The second model is a cylindrical polar representation in n dimensions. In this model, data that are distributed on the unit sphere of n − 1 dimensions need to be ordered. The proposed orders, and lattices are specific to each image. They are obtained from Voronoi
tesselation of the unit sphere The case of four dimensions is treated in detail and illustrated.
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关键词
cylindrical polar representation,lattice model,n dimension,false colour,multidimensional function lattice,voronoi tesselation,marginal ordering,constraint yield,new data,unit sphere
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