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    • 3. 发明授权
    • Method for describing an actual color gamut of a color device or of a color content
    • 描述彩色装置或彩色内容的实际色域的方法
    • US08724892B2
    • 2014-05-13
    • US12452744
    • 2008-07-25
    • Jürgen StauderLaurent BlondePatrick Morvan
    • Jürgen StauderLaurent BlondePatrick Morvan
    • G06K9/00
    • H04N1/6058
    • To describe the actual color gamut, a hierarchical structure is proposed which comprises, from bottom to top: Gamut Components: each GC is a surface, generally described as a set of connected elementary triangles or polygons. Gamut Hulls: each GH is a closed surface formed by the concatenation of connex Gamut Components. Gamut Instances: each GI is an alternative Gamut Boundary Description of the same actual gamut and is built by the union of the volume(s) bordered by at least one Gamut Hull. Such a Gamut Boundary Information may be notably used for gamut mapping operations. Among advantages of the invention, are flexibility and adaptation to available memory and bandwidth capabilities.
    • 为了描述实际的色域,提出了从底部到顶部的分层结构:色域分量:每个GC是一个表面,通常被描述为一组连接的基本三角形或多边形。 Gamut Hulls:每个GH是通过连接器连接器组件形成的封闭表面。 色域实例:每个GI是相同实际色域的替代色域边界描述,由至少一个Gamut Hull所界定的卷的联合构建。 这样的色域边界信息可能特别用于色域映射操作。 本发明的优点是灵活性和适应于可用存储器和带宽能力。