首页> 外国专利> The color conversion table creating device, a color conversion table creation method, a recording medium storing a color conversion table creating program, and, the profile creation device for creating a profile based on the color conversion table created by the apparatus or method

The color conversion table creating device, a color conversion table creation method, a recording medium storing a color conversion table creating program, and, the profile creation device for creating a profile based on the color conversion table created by the apparatus or method

机译：颜色转换表创建设备，颜色转换表创建方法，存储颜色转换表创建程序的记录介质以及配置文件创建设备，用于基于由该装置或方法创建的颜色转换表创建配置文件

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摘要

PPROBLEM TO BE SOLVED: To provide a method for simply preparing a color conversion table with high accuracy without depending upon the number of colors and the quality of an object by photographing the object with a plurality of colors. PSOLUTION: When a digital still camera photographs a color chart with reference exposure and with a λ-hold shift amount from the reference exposure, two types of chart image data having information having different YCbCr color specification values are generated. A relation determining part of a printer that has received the data writes a correspondence relation between the YCbCr color specification values of chart image data and a reference color value of reference image data in a first table and also writes a correspondence relation between the YCbCr color specification values of the chart image data and modified reference image data generated by reflecting the difference of λ-hold exposure on the reference image data in a second table. A color conversion table preparing part prepares a second color conversion table between a YCbCr color space and an LSP*/SPaSP*/SPbSP*/SPcolor space on the basis of the two correspondence relations written in the tables. PCOPYRIGHT: (C)2004,JPO

机译：

要解决的问题：提供一种通过以多种颜色拍摄对象而简单地高精度地制备颜色转换表而无需依赖于颜色的数量和对象的质量的方法。

解决方案：当数字静态照相机以参考曝光和从参考曝光起的λ保持偏移量拍摄比色图表时，会生成两种类型的图表图像数据，其信息具有不同的YCbCr颜色规格值。接收到数据的打印机的关系确定部分在第一表中写入图表图像数据的YCbCr颜色规格值与参考图像数据的参考颜色值之间的对应关系，并且还将YCbCr颜色规格之间的对应关系写入图表图像数据和修改后的参考图像数据的值通过在第二张表中反映参考图像数据上的“保持曝光”的差异而生成。颜色转换表准备部分准备第二个颜色转换表，该第二个颜色转换表位于YCbCr颜色空间和L * a * b * 颜色空间之间。表中写的两个对应关系的基础。

版权：（C）2004，日本特许厅展开▼

著录项

公开/公告号JP3912196B2

专利类型
公开/公告日2007-05-09

原文格式PDF
申请/专利权人セイコーエプソン株式会社;
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申请/专利号JP20020172239
发明设计人藤野真;
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申请日2002-06-13
分类号H04N9/64;G06T1/00;H04N1/60;H04N1/46;H04N9/04;
国家 JP
入库时间 2022-08-21 21:07:50

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