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    • 5. 发明授权
    • Signal transmission system
    • 信号传输系统
    • US07394854B2
    • 2008-07-01
    • US10088468
    • 2001-07-23
    • Toshiro NishioYutaka Nio
    • Toshiro NishioYutaka Nio
    • H04N7/12H04N11/02H04N11/04H04B1/66
    • H04N19/00533H04N11/042H04N19/44
    • A signal transmission system: that includes a signal transmission unit (101) that includes a MPEG decoder (102), which receives digital broadcasting and outputs a luminance signal Y and two color difference signals PB/PR, and a transmission path encoding circuit (103), which encodes the YPBPR outputted from the MPEG decoder (102) into signals in the forms suited to a transmission path and transmits the encoded signals; and a signal reception unit (104) that includes a transmission path decoding circuit (105), which receives the encoded YPBPR and decodes them, a Y processing circuit (106), which processes the decoded luminance signal Y, a chrominance processing circuit (107), which processes the respective decoded color difference signals PB/PR, a signal conversion circuit (108), which converts the YPBPR outputted from the Y processing circuit (106) and the chrominance processing circuit (107) into RGB signals, and a display device (108) which displays the RGB signals.
    • 一种信号传输系统,包括:信号传输单元(101),包括MPEG解码器(102),其接收数字广播并输出亮度信号Y和两个色差信号P SUB B / 和传送路径编码电路(103),其将从MPEG解码器(102)输出的YP SUB B R SUB编码为信号 适合于传输路径并发送编码信号的形式; 以及信号接收单元(104),其包括传输路径解码电路(105),该传输路径解码电路(105)接收编码的YP< B> P< R>并对其进行解码,Y处理电路 106),其处理解码的亮度信号Y,处理各个解码的色差信号P SUB B / P SUB R的色度处理电路(107),信号转换 电路(108)将从Y处理电路(106)和色度处理电路(107)输出的YP B R SUB转换成RGB信号,显示 显示RGB信号的装置(108)。
    • 6. 发明授权
    • Apparatus for correcting vertical contours
    • 用于校正垂直轮廓的装置
    • US06424383B1
    • 2002-07-23
    • US09284876
    • 1999-04-22
    • Katsumi TeraiNaoji OkumuraYutaka NioKazuhito Tanaka
    • Katsumi TeraiNaoji OkumuraYutaka NioKazuhito Tanaka
    • H04N521
    • H04N5/208
    • An object is to provide a vertical contour correcting device for a video signal which reduces noise without deteriorating effect of the entire contour correction. A vertical contour correcting device (VCP1) which corrects vertical contour components (S1v, S1v′) of a video signal (S1) with a given quantity of correction (K) to enhance the vertical contour (Ev) of the video signal (S1) comprises a vertical contour component extracting device (3) for detecting said vertical contour components (S1v, S1v′) from said video signal (S1), a vertical contour component correlation detector (3, 29, 8c, 8d, 4) for detecting correlation between horizontally adjacent vertical contour components (Sb, Sb′, Sb′′) from said detected vertical contour components (S1v, S1v′), and a controller (5) for determining said quantity of correction (K) on the basis of said detected correlation (Sj1), thereby varying the quantity of correction (K) in accordance with the correlation (Sj1).
    • 一种垂直轮廓校正装置(VCP1),用于校正视频信号的垂直轮廓分量(S1v,S1v')(垂直轮廓校正装置) S1)具有用于增强视频信号(S1)的垂直轮廓(Ev)的给定量的校正(K)包括垂直轮廓分量提取装置(3),用于从所述垂直轮廓分量(S1v,S1v')检测所述垂直轮廓分量 视频信号(S1),用于检测来自所检测的垂直轮廓分量(S1v)的水平相邻垂直轮廓分量(Sb,Sb',Sb“)之间的相关性的垂直轮廓分量相关检测器(3,29,8c,8d,4) ,S1v'),以及控制器(5),用于根据所述检测到的相关(Sj1)确定所述校正量(K),从而根据相关(Sj1)改变校正量(K)。