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    • 1. 发明申请
    • VARIABLE LENGTH CODING FOR SPARSE COEFFICIENTS
    • 稀疏系数的可变长度编码
    • WO2007092661A3
    • 2007-12-21
    • PCT/US2007060693
    • 2007-01-18
    • CISCO TECH INCCHEN WEN-HSIUNGTOEBES JOHN A
    • CHEN WEN-HSIUNGTOEBES JOHN A
    • H03M7/40
    • H03M7/40H04N19/61H04N19/91H04N19/93
    • Coding quantized transform coefficients as occur in image compression includes, for a subset of coefficient amplitude values coding by a first method corresponding to each amplitude of the subset, events of a run of zero or more zero-valued coefficients ending in the single non-zero amplitude, coding by a second method events of a run of zero or more zero-valued coefficients ending in any single non-zero amplitude not in the subset, and coding by a third method the amplitude values of the concatenation of the non-zero amplitude not in the subset. The coding methods produce variable length codewords. The method is suitable for series that have scattered non-zero-valued coefficients.
    • 如在图像压缩中出现的那样编码量化的变换系数包括:对于通过对应于子集的每个幅度的第一方法编码的系数幅值的子集,终止于单个非零值的零个或更多个零值系数的游程的事件 振幅,通过第二方法进行编码,零个或多个零值系数的游程的事件结束于任何单个非零幅度,而不是在该子集中,以及通过第三方法编码非零幅度的级联的幅度值 不在子集中。 编码方法产生可变长度码字。 该方法适用于散射非零值系数的序列。
    • 6. 发明申请
    • HYBRID VARIABLE LENGTH CODING FOR VIDEO COMPRESSION
    • 混合可变长度编码视频压缩
    • WO2006001994A3
    • 2007-11-01
    • PCT/US2005020110
    • 2005-06-08
    • CISCO TECH INCCHEN WEN-HSIUNGWU FANGPELTON GREGORY DTOEBES JOHN AROSENFELD DOV
    • CHEN WEN-HSIUNGWU FANGPELTON GREGORY DTOEBES JOHN AROSENFELD DOV
    • G06K9/36G06K9/46H03M7/00H03M7/40
    • H03M7/40H04N19/91H04N19/93
    • A method for variable length coding an ordered series of digital signals, e.g., of quantized transform coefficients of a block of image data with a most likely-to-occur amplitude, e.g., O, and at least one other amplitude, e.g., 1, to form a set of codewords. The method includes establishing a breakpoint (301) along the ordering to define a first contiguous region and a second contiguous region, such that clusters of consecutive signals of any value other than the most likely-to-occur value occur mostly in the first contiguous region. The method includes encoding the signals in the first region using a first region encoding method (303) suitable for encoding clusters; and encoding the signals in the second region using a second region encoding method (305). The first region and second region encoding methods include variable length codes such that relatively short codewords are formed to represent relatively more likely-to-occur sequences.
    • 一种用于可变长度编码有序序列数字信号的方法,例如,具有最可能发生的幅度的图像数据块的量化变换系数,例如O,以及至少一个其它振幅,例如1, 以形成一组码字。 该方法包括沿着排序建立断点(301)以定义第一连续区域和第二连续区域,使得除了最可能出现的值之外的任何值的连续信号的群集主要出现在第一邻接区域 。 该方法包括使用适于编码簇的第一区域编码方法(303)对第一区域中的信号进行编码; 以及使用第二区域编码方法(305)对所述第二区域中的信号进行编码。 第一区域和第二区域编码方法包括可变长度代码,使得形成相对较短的码字以表示相对更可能发生的序列。
    • 7. 发明申请
    • HYBRID VARIABLE LENGTH CODING FOR VIDEO COMPRESSION
    • 混合可变长度编码视频压缩
    • WO2006001994A2
    • 2006-01-05
    • PCT/US2005/020110
    • 2005-06-08
    • CISCO TECHNOLOGY, INC.CHEN, Wen-HsiungWU, FangPELTON, Gregory, D.TOEBES, John, A.ROSENFELD, Dov
    • CHEN, Wen-HsiungWU, FangPELTON, Gregory, D.TOEBES, John, A.ROSENFELD, Dov
    • G06K9/36H03M7/34
    • H03M7/40H04N19/91H04N19/93
    • A method for variable length coding an ordered series of digital signals, e.g., of quantized transform coefficients of a block of image data with a most likely-to-occur amplitude, e.g., 0, and at least one other amplitude, e.g., 1, to form a set of codewords. The method includes establishing a breakpoint along the ordering to define a first contiguous region and a second contiguous region, such that clusters of consecutive signals of any value other than the most likely-to-occur value occur mostly in the first contiguous region. The method includes encoding the signals in the first region using a first region encoding method suitable for encoding clusters; and encoding the signals in the second region using a second region encoding method. The first region and second region encoding methods include variable length codes such that relatively short codewords are formed to represent relatively more likely-to-occur sequences.
    • 一种用于可变长度编码有序序列数字信号的方法,例如,具有最可能发生的幅度的图像数据块的量化变换系数,例如0和至少一个其它振幅,例如1, 以形成一组码字。 该方法包括沿着排序建立断点以定义第一连续区域和第二连续区域,使得除了最可能出现的值之外的任何值的连续信号的群集主要出现在第一邻接区域中。 该方法包括使用适于编码簇的第一区域编码方法对第一区域中的信号进行编码; 以及使用第二区域编码方法对所述第二区域中的信号进行编码。 第一区域和第二区域编码方法包括可变长度代码,使得形成相对较短的码字以表示相对更可能发生的序列。
    • 8. 发明申请
    • AUTOMATICALLY IDENTIFYING AND SUMMARIZING CONTENT PUBLISHED BY KEY INFLUENCERS
    • 主要影响因素自动识别和概述内容
    • WO2011049749A1
    • 2011-04-28
    • PCT/US2010/051737
    • 2010-10-07
    • CISCO TECHNOLOGY, INC.DOYLE, JohnLEPORE, Michael, P.TOEBES, John, A.
    • DOYLE, JohnLEPORE, Michael, P.TOEBES, John, A.
    • G06F17/30G07G1/00
    • G06F17/30867
    • In one embodiment, a method includes accessing first data describing online activities of a user and accessing second data describing online activities of each of one or more content publishers. The method includes, based at least in part on the first data and the second data, determining one or more similarities between the user and each of the content publishers. The method includes, based at least in part on one or more of the similarities, selecting each of one or more of the content publishers as a key influencer for the user and selecting particular content published by a particular one of the key influencers for summary and delivery to the user. The method includes generating a summary of the particular content and automatically delivering to the user the particular content and the summary.
    • 在一个实施例中,一种方法包括访问描述用户的在线活动的第一数据,并访问描述一个或多个内容发布者中的每一个的在线活动的第二数据。 该方法至少部分地基于第一数据和第二数据,确定用户和每个内容发布者之间的一个或多个相似性。 该方法至少部分地基于一个或多个相似性,将一个或多个内容发布者中的每一个选择为用户的关键影响者,并且选择由特定一个关键影响者发布的特定内容,以用于摘要和 交付给用户。 该方法包括生成特定内容的摘要,并自动向用户递送特定内容和摘要。