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    • 11. 发明申请
    • IMAGE PROCESSING APPARATUS, INKJET PRINTING APPARATUS, AND INKJET PRINTING METHOD
    • 图像处理装置,喷墨打印装置和喷墨打印方法
    • US20130300788A1
    • 2013-11-14
    • US13874801
    • 2013-05-01
    • CANON KABUSHIKI KAISHA
    • Yuji KonnoTakeshi YazawaHinako Ojiro
    • B41J2/045
    • B41J2/04501B41J2/2114H04N1/54
    • In a color mode, the image quality improving liquid is set to the same rate of 20% for all input signal values. Meanwhile, in a monochrome mode, the image quality improving liquid is set to a rate of 30% in the highlight region, and the ink rate gradually decreases starting from the intermediate tones and proceeding towards the high-density region. Thus, the optimal printing method and usage rate for image quality improving liquid can be adjusted in accordance with the image quality characteristics of the color mode and the monochrome mode. As a result, it is possible to reduce color change in specular light while maintaining at least a certain level of image clarity in both modes, and thus favorably print both color images and monochrome images.
    • 在彩色模式中,对于所有输入信号值,图像质量改进液体被设置为相同的20%的速率。 同时,在单色模式中,图像质量改善液体在高亮区域中被设置为30%的速率,并且墨水速率从中间色调开始逐渐降低并且朝着高密度区域前进。 因此,可以根据彩色模式和单色模式的图像质量特性来调整图像质量改进液体的最佳打印方法和使用率。 结果,可以在两种模式下保持至少一定程度的图像清晰度的同时降低镜面反射光的颜色变化,从而有利地打印彩色图像和单色图像。