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    • 3. 发明授权
    • Image forming system with capability for color correction
    • 具有色彩校正功能的图像形成系统
    • US06542633B1
    • 2003-04-01
    • US09182453
    • 1998-10-30
    • Shinichiro Kori
    • Shinichiro Kori
    • G06K900
    • H04N1/6033
    • A color copy machine having a reading portion and a printing portion outputs a chart for color correction. A result of reading by the reading portion of the same machine of patch for each output color of the chart, is converted into color component data for a pixel. The color component data are summed for a number of pixels of the patches. Data is derived by dividing the sum by a number of pixels. With this data, content of a production color table used in the binarization process is updated. By this, the image to be printed by the printing portion on a basis of a result of reading of the reading portion, matches with the result of reading. As a result, the color of the original image can be reproduced with high fidelity.
    • 具有读取部分和打印部分的彩色复印机输出用于颜色校正的图表。 通过图表的每个输出颜色的同一贴片机的读取部分读取的结果被转换为像素的颜色分量数据。 颜色分量数据针对补丁的多个像素求和。 数据是通过将和除以像素数来导出的。 利用该数据,更新二值化处理中使用的生产颜色表的内容。 由此,基于读取部分的读取结果,由打印部分打印的图像与读取结果相匹配。 结果,可以高保真地再现原始图像的颜色。