Hue processing in tetrachromatic spaces

Alfredo Restrepo, Karen O. Egiazarian, Sos S. Agaian, Atanas P. Gotchev
2013 Image Processing: Algorithms and Systems XI  
We derive colour spaces of the hue-colourfulness-luminance type, on the basis of a four-dimensional hypercube. We derive a chromatic 2D hue that goes together with chromatic saturation and luminance, a toroidal hue that goes together with a toroidal saturation and colourfulness, and also, a 3D tint that goes together with colourfulness. * The set of points [x0, x1, x2, x3] with max{xi} = r is the boundary of the hypercube of side 2r, centered at the origin. † This is computed by subtracting the
more » ... average of the primaries from each primary. ‡ The rhombic dodecahedron is a Catalan solid, i.e. a polyhedron that is dual to an Archimedean solid; in this case, to the cuboctahedron, which has 12 vertices, 24 edges, 8 triangle faces and 6 square faces; two triangles and two squares meet at each vertex.
doi:10.1117/12.2003216 dblp:conf/ipas/Restrepo13 fatcat:swrcmkqbenekndnrrl5ttbyv3i