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
    • 10. 发明授权
    • Noise reduction for video signals
    • 视频信号降噪
    • US6061100A
    • 2000-05-09
    • US941238
    • 1997-09-30
    • Rabab K. WardJulong DuPingnan ShiXiaoli Li
    • Rabab K. WardJulong DuPingnan ShiXiaoli Li
    • H04N5/21
    • H04N5/21
    • A method of reducing noise in video signal, by processing the pixels of a process frame of video signal in conjunction with a selected number of previously processed frames to determine values for target pixels in the process frame by applying a temporal motion detector to determine whether a target pixel has a still or motion status and further processing the pixels with motion status by impulse recognition step to further determine whether the pixel should be classified as having a still or a motion status. The pixels are then checked via a spatial motion detecting step to obtain a motion index value to the pixels and the motion index value is used in a motion adaptive temporal filter to define the pixel value of the still pixel. The motion index value of the pixels is used to set a dynamic threshold in a detailed motion active spatial filter to define the pixel value for the motion pixels. The system may be integrated with a converter box for converting digital signals to analog for use in conjunction with analog television sets services by digital signals.
    • 一种降低视频信号噪声的方法,通过处理视频信号的处理帧的像素与选定数量的先前处理过的帧进行处理,以通过应用时间运动检测器来确定处理帧中的目标像素的值,以确定是否 目标像素具有静止或运动状态,并通过脉冲识别步骤进一步处理具有运动状态的像素,以进一步确定像素是否应被分类为具有静止或运动状态。 然后通过空间运动检测步骤检查像素,以获得对像素的运动索引值,并且运动索引值用于运动自适应时间滤波器中以定义静止像素的像素值。 像素的运动索引值用于在细节运动有源空间滤波器中设置动态阈值以定义运动像素的像素值。 该系统可以与用于将数字信号转换为模拟的转换器盒一起用于通过数字信号与模拟电视机服务结合使用。