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    • 1. 发明授权
    • Offline motion description for video generation
    • 视频生成的离线运动描述
    • US08804829B2
    • 2014-08-12
    • US11613972
    • 2006-12-20
    • Xiaoyan SunFeng WuShipeng LiWang Yi
    • Xiaoyan SunFeng WuShipeng LiWang Yi
    • H04N11/04
    • H04N19/517H04N19/46H04N19/567H04N19/70
    • The present motion description technique provides a technique for defining a motion description offline. The motion description can then later be extracted from a multimedia representation and adapted to various multimedia-related applications in a manner that not only reduces the processing for motion estimation but also provides high compression performance during an encoding/transcoding process. The motion description technique employs a motion alignment scheme utilizing a hierarchical model to describe motion data of each macroblock in a coarse-to-fine manner. Motion information is obtained for motion vectors of macroblocks for different partition modes. The resulting motion information is compressed based on correlations among spatially neighboring macroblocks and among partition modes to form the offline motion description.
    • 本运动描述技术提供了一种用于离线定义运动描述的技术。 随后可以从多媒体表示中提取运动描述,并以不仅减少运动估计的处理,而且在编码/转码过程期间提供高压缩性能的方式适应各种多媒体相关应用。 运动描述技术采用利用分层模型的运动对准方案,以粗略到精细的方式描述每个宏块的运动数据。 对于不同分区模式的宏块的运动矢量获得运动信息。 所得到的运动信息基于空间相邻宏块之间的相关性和分区模式之间的压缩,以形成离线运动描述。
    • 2. 发明申请
    • Offline Motion Description for Video Generation
    • 视频生成的离线运动描述
    • US20080152008A1
    • 2008-06-26
    • US11613972
    • 2006-12-20
    • Xiaoyan SunFeng WuShipeng LiWang Yi
    • Xiaoyan SunFeng WuShipeng LiWang Yi
    • H04N7/26
    • H04N19/517H04N19/46H04N19/567H04N19/70
    • The present motion description technique provides a technique for defining a motion description offline. The motion description can then later be extracted from a multimedia representation and adapted to various multimedia-related applications in a manner that not only reduces the processing for motion estimation but also provides high compression performance during an encoding/transcoding process. The motion description technique employs a motion alignment scheme utilizing a hierarchical model to describe motion data of each macroblock in a coarse-to-fine manner. Motion information is obtained for motion vectors of macroblocks for different partition modes. The resulting motion information is compressed based on correlations among spatially neighboring macroblocks and among partition modes to form the offline motion description.
    • 本运动描述技术提供了一种用于离线定义运动描述的技术。 随后可以从多媒体表示中提取运动描述,并以不仅减少运动估计的处理,而且在编码/转码过程期间提供高压缩性能的方式适应各种多媒体相关应用。 运动描述技术采用利用分层模型的运动对准方案,以粗略到精细的方式描述每个宏块的运动数据。 对于不同分区模式的宏块的运动矢量获得运动信息。 所得到的运动信息基于空间相邻宏块之间的相关性和分区模式之间的压缩,以形成离线运动描述。