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    • 10. 发明申请
    • Display apparatus and control method thereof
    • 显示装置及其控制方法
    • US20050225565A1
    • 2005-10-13
    • US11100458
    • 2005-04-07
    • Hwa-seok SeongYoung-sun KimJong-sul MinHo-seop Lee
    • Hwa-seok SeongYoung-sun KimJong-sul MinHo-seop Lee
    • H04N5/66G09G3/20G09G3/28G09G3/288G09G5/00
    • G09G3/2077G09G3/2022G09G3/2059G09G2320/0247G09G2320/0261G09G2320/0266G09G2320/103G09G2320/106
    • A display apparatus that displays a picture based on a video signal, including a moving picture determiner that determines whether the video signal is used for displaying a moving picture; a moving picture gradation level table that stores information about a moving picture gradation level group for displaying the moving picture; a still picture gradation level table storing information about a still picture gradation level group including a predetermined number of gradation levels in consideration of a gradation level difference between the gradation levels of adjacent gradation levels in the case where the gradation level difference between the adjacent gradation levels of the moving picture gradation level group is larger than a predetermined reference gradation level difference; and a gradation level converter that converts the video signal to have the gradation level of the moving picture gradation level group or the still picture gradation level group according to results of the determination. With this configuration, a false contour is attenuated and a flicker is avoided in a moving picture.
    • 一种基于视频信号显示图像的显示装置,包括确定视频信号是否用于显示运动图像的运动图像确定器; 运动图像灰度级表,其存储关于用于显示运动图像的运动图像灰度等级组的信息; 在相邻灰度级之间的灰度级差异的情况下,考虑到相邻灰度级的灰度级之间的灰度级差,存储关于包括预定数量的灰度级的静止图像灰度级组的信息的静止图像灰度级表 的运动图像灰度级组大于预定参考灰度级差; 以及灰度级转换器,其根据确定结果将视频信号转换为具有运动图像灰度等级组或静态图像灰度级组的灰度级。 利用这种配置,假轮廓被衰减并且在运动图像中避免了闪烁。