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    • 11. 发明授权
    • Tracing and identifying piracy in wireless digital rights management system
    • 跟踪和识别无线数字版权管理系统中的盗版
    • US07653940B2
    • 2010-01-26
    • US11211804
    • 2005-08-25
    • Lin LuoJian ZhangRong YanLing Shao
    • Lin LuoJian ZhangRong YanLing Shao
    • G06F12/14G06F12/16G06F7/04
    • H04L63/0428H04L2463/103H04N21/2541H04N21/41407H04N21/44236H04N21/6131H04N21/8358
    • Provides methods for tracing and identifying a piracy in a wireless rights management system, wherein the content provider allow the protected digital content to be super-distributed, when unauthorized holding a pirated copy of the protected digital content is detected, based on the gateway controlling ability of the wireless operator within the wireless digital rights management system, a specific fingerprint is embedded in or removed from the protected digital content so as to trace the suspected persons and further identify the pirate. The fingerprint is related to information of a suspected person holding the protected digital content without authorization. A process of screening singles out highly suspected persons. Therefore the operator can determine whether the suspected person is a real pirate by comparing the similarity of the pirated version of content and the version held by the suspected person, and the exact tracing and identifying is achieved.
    • 提供了在无线权限管理系统中跟踪和识别盗版的方法,其中,当未经授权的情况下,基于所述网关控制能力检测到未经授权的方式检测到受保护的数字内容的盗版副本时,所述内容提供商允许所述受保护的数字内容被超分散 无线数字版权管理系统内的无线运营商,将特定的指纹嵌入到受保护的数字内容中或从受保护的数字内容中移除,以便跟踪可疑的人并进一步识别盗版者。 该指纹与未经授权持有受保护的数字内容的怀疑人员的信息相关。 筛选高度怀疑人士的过程。 因此,运营商可以通过比较盗版内容与嫌疑人所持有的版本的相似性来确定被怀疑的人是否是真正的盗版者,并且实现了准确的跟踪和识别。
    • 14. 发明申请
    • Systems and methods with error resilience in enhancement layer bitstream of scalable video coding
    • 在可扩展视频编码的增强层比特流中具有错误弹性的系统和方法
    • US20050089105A1
    • 2005-04-28
    • US10978277
    • 2004-10-29
    • Ya-Qin ZhangShipeng LiFeng WuRong Yan
    • Ya-Qin ZhangShipeng LiFeng WuRong Yan
    • G06T9/00H04N19/89H04N7/12
    • H04N19/29H04N19/34H04N19/68H04N19/89
    • A scalable layered video coding scheme that encodes video data frames into multiple layers, including a base layer of comparatively low quality video and multiple enhancement layers of increasingly higher quality video, adds error resilience to the enhancement layer. Unique resynchronization marks are inserted into the enhancement layer bitstream in headers associated with each video packet, headers associated with each bit plane, and headers associated with each video-of-plane (VOP) segment. Following transmission of the enhancement layer bitstream, the decoder tries to detect errors in the packets. Upon detection, the decoder seeks forward in the bitstream for the next known resynchronization mark. Once this mark is found, the decoder is able to begin decoding the next video packet. With the addition of many resynchronization marks within each frame, the decoder can recover very quickly and with minimal data loss in the event of a packet loss or channel error in the received enhancement layer bitstream. The video coding scheme also facilitates redundant encoding of header information from the higher-level VOP header down into lower level bit plane headers and video packet headers. Header extension codes are added to the bit plane and video packet headers to identify whether the redundant data is included.
    • 将视频数据帧编码成多层的可分级的分层视频编码方案,包括具有越来越高质量视频的较低质量视频和多个增强层的基本层,向增强层增加了错误恢复能力。 将独特的再同步标记插入到与每个视频分组相关联的报头中的增强层比特流中,与每个位平面相关联的报头以及与每个视频平面(VOP)段相关联的报头。 在传输增强层比特流之后,解码器尝试检测分组中的错误。 在检测到时,解码器在比特流中向前寻找下一个已知的再同步标记。 一旦找到该标记,解码器就可以开始对下一个视频数据包进行解码。 通过在每个帧内添加许多重新同步标记,解码器可以在接收到的增强层比特流中的分组丢失或信道错误的情况下非常快速地恢复并且具有最小的数据丢失。 视频编码方案还有助于将标题信息从较高级别的VOP头部冗余编码到较低级位平面头部和视频分组头部。 标题扩展码被添加到位平面和视频分组报头,以标识是否包括冗余数据。
    • 18. 发明授权
    • Method and system for analyzing parallelism of program code
    • 分析程序代码并行性的方法和系统
    • US09047114B2
    • 2015-06-02
    • US13613572
    • 2012-09-13
    • Bo FengRong YanKun WangHua Yong Wang
    • Bo FengRong YanKun WangHua Yong Wang
    • G06F11/34G06F9/45
    • G06F8/456
    • Methods and systems are provided for analyzing parallelism of program code. According to a method, the sequential execution of the program code is simulated so as to trace the execution procedure of the program code, and parallelism of the program code is analyzed based on the result of the trace to the execution procedure of the program code. Execution information of the program code is collected by simulating the sequential execution of the program code, and parallelism of the program code is analyzed based on the collected execution information, so as to allow programmers to perform parallel task partitioning of the program code with respect to a multi-core architecture more effectively, thus increasing the efficiency of parallel software development.
    • 提供了方法和系统来分析程序代码的并行性。 根据一种方法,模拟程序代码的顺序执行,以便跟踪程序代码的执行过程,并根据对程序代码的执行过程的跟踪结果来分析程序代码的并行性。 通过模拟程序代码的顺序执行来收集程序代码的执行信息,并且基于所收集的执行信息来分析程序代码的并行性,以便程序员能够相对于程序代码执行程序代码的并行任务划分 多核架构更有效,从而提高并行软件开发的效率。
    • 19. 发明授权
    • Using polling results as discrete metrics for content quality prediction model
    • 使用轮询结果作为内容质量预测模型的离散度量
    • US08738698B2
    • 2014-05-27
    • US13082396
    • 2011-04-07
    • Rong YanJohn Hegeman
    • Rong YanJohn Hegeman
    • G06F15/16
    • G06Q30/0245G06N5/048G06Q30/02G06Q30/0202
    • A social networking system presents content items to users, who then provide feedback regarding pairs of content items. The feedback includes a selection of a content item of the pair of content items that was preferred by the user over the other content item. The social networking system uses this information to train a predictive model that scores content items based on quality. The content items may be advertisements. The social networking system uses the pair-wise comparisons of the advertisements to determine feedback coefficients in an advertising quality score prediction model using regression analysis of the pair-wise comparisons for each predictive factor in the model. In this way, the pair-wise comparisons are used to train the prediction model to understand which advertisements are more enjoyable than others. A feedback coefficient for each predictive factor may be computed based on the preferences received from the group of users.
    • 社交网络系统向用户呈现内容,然后他们提供关于内容对的反馈。 反馈包括用户对其他内容项目优选的内容项目对的内容项的选择。 社交网络系统使用该信息来训练基于质量对内容项进行评分的预测模型。 内容项可以是广告。 社交网络系统使用广告的成对比较来确定广告质量得分预测模型中的反馈系数,其使用对于模型中的每个预测因子的成对比较的回归分析。 以这种方式,使用成对比较来训练预测模型,以了解哪些广告比其他广告更愉快。 可以基于从用户组接收的偏好来计算每个预测因子的反馈系数。
    • 20. 发明申请
    • ASSISTED ADJUSTMENT OF AN ADVERTISING CAMPAIGN
    • 协助调整广告活动
    • US20130151332A1
    • 2013-06-13
    • US13316493
    • 2011-12-10
    • Rong YanNuwan Senaratna
    • Rong YanNuwan Senaratna
    • G06Q30/02
    • G06Q30/0243
    • An ad publishing system provides ads of an advertiser's advertising campaign to a target group specified by initial targeting criteria. The publishing system evaluates results of advertising metrics for various segments of the target group based on user reactions to the initial presentation of the ads. Based on the advertising metric results for the various segments, the publishing system suggests to the advertiser a modification of the advertising campaign. Possible modifications to the advertising campaign include narrowing the initial targeting criteria to specify at least one of the segments as the target group, specifying a different ad for a low-performing segment, and adjusting the value of a bid for display of the ads in the campaign.
    • 广告发布系统将广告客户广告活动的广告提供给由初始定位条件指定的目标群组。 出版系统根据用户对广告初始呈现的反应来评估目标群体各个细分受众群的广告指标的结果。 根据各个细分的广告指标结果,出版系统向广告客户建议修改广告活动。 可能对广告活动进行的修改包括缩小初始定位条件,将至少一个细分作为目标组指定,为低绩效细分指定不同的广告,以及调整出价的价值以显示广告中的广告 运动。