Gamut mapping is an important part of the color reproduction pipeline. A color’s appearance depends on the gamut achievable by the reproduction device (e.g., display, printer, etc.) or the reproduction material (e.g., plastics, paints, textiles, etc.). In the surface color industry, often a single color is managed such that, if it lies outside of the reproduction gamut, it would be mapped to a visually similar color on the boundary of the reproduction gamut using a gamut mapping algorithm. The algorithm’s performance mainly depends on the uniformity of the working color space and/or selection of a focal point, inside the reproduction gamut, towards which the mapping line should be directed. Hitherto, the CIE standard color difference formula CIEDE2000 is the best known perceptual color difference metric for the standard dynamic range. In this paper, a method is proposed with the aim to achieve perceptually uniform mapping of a source color to the reproduction gamut using the CIEDE2000 as reference for uniformity. The proposed method, named UNIMAP00, is independent of the uniformity of the working color space, and no focal points are needed. The current results closely agreed with the experimental findings previously reported by other researchers.

中文翻译：

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表面颜色之间可感知的均匀跨色域映射

色域映射是色彩再现管道的重要组成部分。颜色的外观取决于复制设备（例如显示器，打印机等）或复制材料（例如塑料，油漆，纺织品等）可达到的色域。在表面颜色工业中，通常管理一种颜色，以便如果它位于复制色域之外，则可以使用色域映射算法将其映射到复制色域边界上的视觉上相似的颜色。该算法的性能主要取决于工作色空间的均匀性和/或在复制色域内应将映射线指向的焦点的选择。迄今为止，对于标准动态范围，CIE标准色差公式CIEDE2000是最知名的感知色差度量。在本文中，提出了一种方法，其目的是使用CIEDE2000作为均匀性的参考，实现从源色到再现色域的感知上均匀的映射。所提出的名为UNIMAP00的方法与工作色彩空间的均匀性无关，并且不需要焦点。目前的结果与其他研究人员先前报道的实验结果非常吻合。