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    • 1. 发明申请
    • SYSTEM AND METHOD FOR EXPANDING COLOR GAMUT
    • 用于扩展彩色游戏的系统和方法
    • US20110115811A1
    • 2011-05-19
    • US12994912
    • 2009-05-31
    • Mingyong ZhangYanwei WangYong Bi
    • Mingyong ZhangYanwei WangYong Bi
    • G09G5/02
    • H04N9/67G09G5/02G09G2340/06H04N1/6058H04N1/628
    • A system for expanding color gamut includes: a signal input unit configured to input color information of pixels; a forward transform unit configured to transform the color information of pixels to L, a and b values in a linear Lab color space; a color gamut expansion unit configured to receive a color gamut expansion coefficient, expands L, a and b values provided by the forward transform unit to new L, a and b values in the linear Lab color space according to the color gamut expansion coefficients; a reverse transform unit configured to transform the expanded L, a and b values to color information of pixels in a large color gamut; and a signal output unit configured to output the color information of pixels in the large color gamut. A corresponding method for expanding color gamut is provided.
    • 用于扩展色域的系统包括:信号输入单元,被配置为输入像素的颜色信息; 被配置为在线性Lab颜色空间中将像素的颜色信息变换为L,a和b值的正向变换单元; 配置为接收色域展开系数的色域扩展单元,根据色域展开系数将由正向变换单元提供的L,a和b值扩展到线性Lab颜色空间中的新L,a和b值; 反转变换单元,被配置为将扩展的L,a和b值变换为大色域中的像素的颜色信息; 以及信号输出单元,被配置为输出大色域中的像素的颜色信息。 提供了扩展色域的相应方法。