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    • 8. 发明授权
    • Systems and methods for color compensation in multi-view video
    • 多视图视频中色彩补偿的系统和方法
    • US09264689B2
    • 2016-02-16
    • US13412730
    • 2012-03-06
    • Dong LiQun Sun
    • Dong LiQun Sun
    • H04N13/02H04N5/235H04N9/09H04N13/00
    • H04N13/133H04N13/15H04N13/239H04N13/243H04N13/246
    • An apparatus and a method for color compensation in multi-view video is provided. Video sequences corresponding to a common scene of interest are captured and processed using the master and slave channels respectively. A compensation gain is calculated based on a set of global color ratio statistics obtained from the master and slave channels. The compensation gain is applied to the slave channel. An initial master color correction matrix is combined with a master color matching matrix to obtain a final master color correction matrix. The initial slave color correction matrix is combined with a slave color matching matrix to obtain a final slave color correction matrix. The master and gain-compensated slave channels are color-compensated by applying the final master and final slave color correction matrices to the master and gain-compensated slave channels, respectively.
    • 提供了一种用于多视点视频中的色彩补偿的装置和方法。 使用主通道和从通道分别捕获并处理与感兴趣的共同场景相对应的视频序列。 基于从主通道和从通道获得的一组全局色彩比率计算补偿增益。 补偿增益应用于从通道。 将初始主色彩校正矩阵与主色匹配矩阵组合以获得最终主色彩校正矩阵。 将初始从色彩校正矩阵与从属色匹配矩阵组合以获得最终的从色校正矩阵。 主和增益补偿的从通道分别通过将最终的主和最后的从色彩校正矩阵应用于主和增益补偿的从通道来进行颜色补偿。
    • 10. 发明授权
    • Method and device for selecting antennas at the base station
    • 用于在基站选择天线的方法和装置
    • US08908788B2
    • 2014-12-09
    • US13520743
    • 2010-12-31
    • Keying WuDong Li
    • Keying WuDong Li
    • H04B7/02H04B7/06H04B7/04H04B7/10
    • H04B7/0691H04B7/0413H04B7/0689H04B7/10
    • A method for selecting antenna elements at a base station can include selecting multiple transmit antenna elements from several antenna elements according to a work mode of the base station. The work mode can be an open-loop or a closed-loop working mode. In open-loop mode the base station does not receive feedback information regarding channel quality from a mobile station. In closed-loop mode feedback information is received. For example, for control signaling, or when the speed of a mobile station is very high, the base station may determine that the working mode is open-loop. When the information being transmitted is data for a specific mobile station and the mobile station is moving at a speed under a threshold, the base station may select or determine the working mode to be the closed-loop working mode. Antenna elements are selected, for example, according to a spatial correlation appropriate to the work mode.
    • 用于在基站处选择天线元件的方法可以包括根据基站的工作模式从多个天线元件中选择多个发射天线元件。 工作模式可以是开环或闭环工作模式。 在开环模式中,基站不从移动台接收关于信道质量的反馈信息。 在闭环模式下,接收到反馈信息。 例如,对于控制信令,或者当移动站的速度非常高时,基站可以确定工作模式是开环的。 当正在发送的信息是特定移动站的数据,并且移动台以低于阈值的速度移动时,基站可以选择或确定作为闭环工作模式的工作模式。 天线元件例如根据适合于工作模式的空间相关来选择。