会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 56. 发明授权
    • Method for correcting color difference in bi-directional printing, printing apparatus, program, and storing medium
    • 用于校正双向打印,打印装置,程序和存储介质中的色差的方法
    • US07083247B2
    • 2006-08-01
    • US10483848
    • 2003-03-13
    • Masakazu YoshidaMasanori Hirano
    • Masakazu YoshidaMasanori Hirano
    • B41J2/205
    • H04N1/6027B41J19/147
    • A printing apparatus and a method for correcting a difference in a color between a forward printing and a backward printing, by performing gamma correction parameter switching between a gamma correction parameter for the forward printing and a gamma correction parameter for the backward printing. A first chromaticity reproduced by the forward printing, and a second chromaticity reproduced by the backward printing are plotted in a chromaticity space. A correction coefficient is calculated based on a difference in an angle made by a first line and a second line in the chromaticity space. The first line is drawn on a point of the first chromaticity and an origin of axes of the chromaticity space, and the second line is drawn on a point of the second chromaticity and the origin of the axes of the chromaticity space. The first gamma correction parameter for the forward printing is multiplied by the calculated correction parameter so as to create the second gamma correction parameter used in processing image data for the backward printing.
    • 通过在正向打印的伽马校正参数和用于向后打印的伽马校正参数之间进行伽马校正参数切换来校正正向打印和向后打印之间的颜色差异的打印装置和方法。 通过正向打印再现的第一色度和通过反向打印再现的第二色度被绘制​​在色度空间中。 基于色度空间中由第一行和第二行所做的角度的差来计算校正系数。 第一行被绘制在第一色度的点和色度空间的轴的原点上,并且第二行被绘制在色度空间的第二色度和原点的点上。 用于正向打印的第一伽马校正参数乘以所计算的校正参数,以便产生用于处理用于向后打印的图像数据的第二伽马校正参数。