Image Forming Apparatus and Image Forming Method Capable of Revising Gray Image
    11.
    发明公开
    Image Forming Apparatus and Image Forming Method Capable of Revising Gray Image 有权
    图像的修改从彩色图像生成的灰度图像的能力形成装置和图像形成方法

    公开(公告)号:EP1924076A2

    公开(公告)日:2008-05-21

    申请号:EP07120484.6

    申请日:2007-11-12

    IPC分类号: H04N1/40

    CPC分类号: H04N1/40012

    摘要: An apparatus includes a gray converter (220) to convert an inputted color image to be printed into a gray conversion image and to outputs the gray conversion image a difference calculator (230) to calculate a at least one difference value between a at least one color channel image with respect to the color image and the gray conversion image; and a gray reviser (240) to revise the gray conversion image based on the at least one difference value and to output a gray conversion image.

    摘要翻译: 一种装置包括一个灰色的转换器(220)转换为输入的彩色图像被打印成灰色转换图像,并输出灰度转换图像的差分计算器(230),以计算至少一个颜色通道之间的至少一个差值 相对于所述彩色图像和灰度图像转换图像; 和灰度修正器(240)修改基于所述至少一个差值,并输出灰度转换图像的灰度转换图像。