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    • 7. 发明公开
    • VIDEO SIGNAL PROCESSOR AND VIDEO SIGNAL PROCESSING METHOD
    • VIDEOSIGNALPROZESSOR UND VIDEOSIGNALVERARBEITUNGSVERFAHREN
    • EP2320649A1
    • 2011-05-11
    • EP09797963.7
    • 2009-07-16
    • Victor Company Of Japan, Limited
    • AIBA, Hideki
    • H04N7/01
    • H04N7/014H04N7/0115H04N7/0132H04N7/0147
    • An image memory 10 delays an input video signal by one frame period and a motion vector detection circuit 20 detects a motion vector between frames of video signals. A pull-down detection circuit 22 determines whether or not a video signal is pull-down converted and a motion vector conversion circuit 21 generates control signals to control delay amounts in delay circuits 30 to 32 based on the motion vector and the determination result of pull-down conversion. The delay circuit compensates for the motion of a video signal based on the control signal to generate a motion-compensated video signal and time axis emphasis circuits 40, 41 emphasize the motion-compensated video signal in a time axis direction by another video signal to generate an emphasized video signal. A time series conversion memory 50 converts the frame rate of the emphasized video signal into a higher frame rate and outputs the emphasized video signal.
    • 图像存储器10将输入视频信号延迟一帧周期,并且运动矢量检测电路20检​​测视频信号帧之间的运动矢量。 下拉检测电路22判定视频信号是否被下拉变换,并且运动矢量变换电路21根据运动矢量和拉动判定结果生成控制信号以控制延迟电路30〜32的延迟量 下转换。 延迟电路基于控制信号补偿视频信号的运动,以产生运动补偿视频信号,时间轴加重电路40,41在时间轴方向上强调运动补偿视频信号以产生另一个视频信号,以产生 强调视频信号。 时序转换存储器50将强调视频信号的帧速率转换为更高的帧速率,并输出强调的视频信号。