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    • 4. 发明授权
    • Image processing device, image processing method, and printer driver
    • 图像处理装置,图像处理方法和打印机驱动程序
    • US07667869B2
    • 2010-02-23
    • US10591746
    • 2005-03-15
    • Noriaki NagaoKouichi Nobushima
    • Noriaki NagaoKouichi Nobushima
    • G03F3/08
    • H04N1/6019
    • An image processing device (140), which converts multivalued pixel values of an RGB color space corresponding to original colors of a multicolor original image into multivalued pixel values of a CMY color space corresponding to color inks used for printing in order to overprint a multicolor original with a plurality of color inks, includes: a color space coordinate conversion unit (141) configured to convert the multivalued pixel values of the RGB color space into the multivalued pixel values of the CMY color space corresponding to the color inks used for printing with reference to a color conversion LUT (131) for storing relationship between the multivalued pixel values of the RGB color space and the multivalued pixel values of the CMY color space; and a correction unit (142) configured to correct the multivalued pixel values of the CMY color space converted with reference to the color conversion LUT in response to the color inks used for printing and an overprint sequence thereof.
    • 一种图像处理装置(140),其将对应于多色原始图像的原始颜色的RGB颜色空间的多值像素值转换为与用于打印的彩色墨水相对应的CMY颜色空间的多值像素值,以便对多色原件 使用多种彩色墨水,包括:颜色空间坐标转换单元,被配置为将RGB颜色空间的多值像素值转换为与用于印刷的彩色墨水相对应的CMY颜色空间的多值像素值 涉及用于存储RGB颜色空间的多值像素值与CMY颜色空间的多值像素值之间的关系的颜色转换LUT(131) 以及校正单元,被配置为响应于用于打印的彩色墨水及其套印顺序来校正参考颜色转换LUT转换的CMY色彩空间的多值像素值。
    • 7. 发明申请
    • Image processing device, image processing method, and printer driver
    • 图像处理装置,图像处理方法和打印机驱动程序
    • US20070188779A1
    • 2007-08-16
    • US10591746
    • 2005-03-15
    • Noriaki NagaoKouichi Nobushima
    • Noriaki NagaoKouichi Nobushima
    • G03F3/08
    • H04N1/6019
    • An image processing device (140), which converts multivalued pixel values of an RGB color space corresponding to original colors of a multicolor original image into multivalued pixel values of a CMY color space corresponding to color inks used for printing in order to overprint a multicolor original with a plurality of color inks, includes: a color space coordinate conversion unit (141) configured to convert the multivalued pixel values of the RGB color space into the multivalued pixel values of the CMY color space corresponding to the color inks used for printing with reference to a color conversion LUT (131) for storing relationship between the multivalued pixel values of the RGB color space and the multivalued pixel values of the CMY color space; and a correction unit (142) configured to correct the multivalued pixel values of the CMY color space converted with reference to the color conversion LUT in response to the color inks used for printing and an overprint sequence thereof.
    • 一种图像处理装置(140),其将对应于多色原始图像的原始颜色的RGB颜色空间的多值像素值转换为与用于打印的彩色墨水相对应的CMY颜色空间的多值像素值,以便对多色原件 使用多种彩色墨水,包括:颜色空间坐标转换单元,被配置为将RGB颜色空间的多值像素值转换为与用于印刷的彩色墨水相对应的CMY颜色空间的多值像素值 涉及用于存储RGB颜色空间的多值像素值与CMY颜色空间的多值像素值之间的关系的颜色转换LUT(131) 以及校正单元,被配置为响应于用于打印的彩色墨水及其套印顺序来校正参考颜色转换LUT转换的CMY色彩空间的多值像素值。