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GENERATION OF COLOR MEASUREMENTS FROM TRANSFORM-BASED COLOR PROFILES AND CREATION OF TRANSFORM-BASED PROFILES BY A MEASUREMENT-BASED COLOR MANAGEMENT SYSTEM
GENERATION OF COLOR MEASUREMENTS FROM TRANSFORM-BASED COLOR PROFILES AND CREATION OF TRANSFORM-BASED PROFILES BY A MEASUREMENT-BASED COLOR MANAGEMENT SYSTEM
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机译：从基于变换的颜色配置文件生成颜色测量，并通过基于测量的颜色管理系统创建基于变换的配置文件
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摘要
Color measurements are generated from transform-based device profiles for use in a measurement-based color management system. The color measurements are generated by providing device-dependent color samples to a transform-based color management module and converting them to the profile connection space with the device's transform-based profile. Color measurements are then generated from the transform-based color management module by applying an identity profile in place of a destination device profile. In addition, measurement data can be extracted directly from either the tone reproduction curve/matrix or n-dimensional lookup table transforms contained within a transform-based device profile. In addition, a method and apparatus for generating transform-based color profiles by a measurement-based Color Management System (CMS) is provided. The measurement-based CMS generates the transform-based profile wherein the measurement-based color system is parameterized by color data and procedures. The CMS may use a reference Profile Connection Space (PCS) loaded from a measurement profile, thus enabling user configuration of the generation process. The reference PCS may also be set to include a gamut that is appropriate for an eventual color-output device. In addition, a Gamut Mapping Model (GMM) used in the generation process is user-selectable as well as a Device Model (DM). The DM may also be supplied as a pluggable module. The CMS also features user-selectable mapping from an International Color Consortium (ICC) intent to a PCS profile and to a DM. The features of the CMS may be used in an application, stand-alone profiling tool or in an operating system utility.
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