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Material amount calculating device, material amount calculation method, the rendering system, color material amount calculation program and recording medium
Material amount calculating device, material amount calculation method, the rendering system, color material amount calculation program and recording medium
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机译:材料量计算装置,材料量计算方法,绘制系统,彩色材料量计算程序和记录介质
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摘要
Systems and methods for limiting total colorant in a color rendering system are disclosed. Implementation of the present invention provides for transformation of a specified colorant in which the sum of the colorant components exceeds a total area coverage (TAC) limit to create a second or resultant colorant in which the sum of the colorant components is within the limit. Using a bijective transformation, colorant sampling and other manipulations can be performed using a nominal hypercube space and the results can be compressed from the nominal space back to the actual colorant-limited space, simplifying manipulation of the colorant-limited polytope space. The unlimited colorant hypercube may be divided into simplexes. For each simplex, intersection points may be found between the TAC limit and the edges of the simplex. A barycentric interpolation technique may then be used to map the unlimited simplex onto a corresponding simplex within the colorant-limited polytope.
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