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    • 1. 发明申请
    • Video Quality Monitoring Method, Distribution Server, and Client
    • 视频质量监控方法,分发服务器和客户端
    • US20100180315A1
    • 2010-07-15
    • US12707785
    • 2010-02-18
    • Koji NakamichiSatoshi ImaiHiroshi YamamotoToshio Soumiya
    • Koji NakamichiSatoshi ImaiHiroshi YamamotoToshio Soumiya
    • H04N17/00H04N7/173
    • H04N17/004H04N21/2404H04N21/2407H04N21/64723
    • A video quality monitoring method includes a distribution server measuring first video quality index values according to a full-reference method by comparing a video, distributed from the distribution server to a client through a network, with a degraded video, generated by causing multiple scenarios of quality degradation due to the network in the video in a pseudo manner, creating characteristic data of first quality degradation values, obtained by causing the quality degradation to vary with the scenarios at regular intervals, and the first video quality index values corresponding to the respective scenarios, and transmitting the characteristic data to the client; and the client measuring a second quality degradation value in the video distributed through the network, and calculating a second video quality index value, equivalent to a value according to the full-reference method, of the distributed video from the measured second quality degradation value and the characteristic data.
    • 视频质量监视方法包括分发服务器,根据全参考方法,通过将通过网络从分发服务器分发给客户端的视频与通过使用多个场景的多个场景生成的劣化视频进行比较来测量第一视频质量指标值 以伪方式由于视频中的网络导致的质量劣化,产生通过使质量劣化以规则的间隔随场景而变化的第一质量劣化值的特征数据,以及与各个场景对应的第一视频质量指标值 并将特征数据发送给客户端; 并且所述客户端测量通过所述网络分发的视频中的第二质量劣化值,并且根据所测量的第二质量劣化值计算与所述全参考方法相对应的分布式视频的值的第二视频质量指标值,以及 特征数据。
    • 4. 发明授权
    • Video quality monitoring method, distribution server, and client
    • 视频质量监控方式,分发服务器和客户端
    • US08695051B2
    • 2014-04-08
    • US13597981
    • 2012-08-29
    • Koji NakamichiSatoshi ImaiHiroshi YamamotoToshio Soumiya
    • Koji NakamichiSatoshi ImaiHiroshi YamamotoToshio Soumiya
    • H04N7/173
    • H04N17/004H04N21/2404H04N21/2407H04N21/64723
    • A video quality monitoring method includes a distribution server measuring first video quality index values according to a full-reference method by comparing a video, distributed from the distribution server to a client through a network, with a degraded video, generated by causing multiple scenarios of quality degradation due to the network in the video in a pseudo manner, creating characteristic data of first quality degradation values, obtained by causing the quality degradation to vary with the scenarios at regular intervals, and the first video quality index values corresponding to the respective scenarios, and transmitting the characteristic data to the client; and the client measuring a second quality degradation value in the video distributed through the network, and calculating a second video quality index value, equivalent to a value according to the full-reference method, of the distributed video from the measured second quality degradation value and the characteristic data.
    • 视频质量监视方法包括分发服务器,根据全参考方法,通过将通过网络从分发服务器分发给客户端的视频与通过使用多个场景的多个场景生成的劣化视频进行比较来测量第一视频质量指标值 以伪方式由于视频中的网络导致的质量劣化,产生通过使质量劣化以规则的间隔随场景而变化的第一质量劣化值的特征数据,以及与各个场景对应的第一视频质量指标值 并将特征数据发送给客户端; 并且所述客户端测量通过所述网络分发的视频中的第二质量劣化值,并且根据所测量的第二质量劣化值计算与所述全参考方法相对应的分布式视频的值的第二视频质量指标值,以及 特征数据。
    • 6. 发明申请
    • Transmission apparatus
    • 传输装置
    • US20050237927A1
    • 2005-10-27
    • US11153644
    • 2005-06-15
    • Shinya KanoToshio SoumiyaAkira Chugo
    • Shinya KanoToshio SoumiyaAkira Chugo
    • H04L12/713H04L12/707H04L12/723H04J3/14
    • H04L45/50H04L45/00H04L45/28
    • A transmission apparatus which can enhance the transmission quality and reliability by establishing a recovery-path efficiently at a high speed for failure circumvention. A recovery-path request message control block generates, sends, and receives a recovery-path request message containing failure location information and recovery-path setup information. A label assignment message control block generates, sends, and receives a label assignment message. A setup label information generation block generates setup label information. A recovery-path label table management block constructs and manages a recovery-path label table. A failure detection block detects the location of a failure. A failure notification message transfer block transfers a failure notification message containing failure location information. A recovery-path establishment block establishes a recovery-path by comparing failure location information contained in a failure notification message and failure location information contained in a recovery-path label table and by selecting setup label information corresponding to matching failure location information.
    • 一种发送装置,其可以通过以高速有效地建立恢复路径来提高传输质​​量和可靠性,以防止故障。 恢复路径请求消息控制块生成,发送和接收包含故障位置信息和恢复路径设置信息的恢复路径请求消息。 标签分配消息控制块生成,发送和接收标签分配消息。 设置标签信息生成块生成设置标签信息。 恢复路径标签表管理块构建和管理恢复路径标签表。 故障检测块检测故障的位置。 故障通知消息传送块传送包含故障位置信息的故障通知消息。 恢复路径建立块通过比较包含在故障通知消息中的故障位置信息和包含在恢复路径标签表中的故障位置信息,并且通过选择与匹配故障位置信息相对应的设置标签信息来建立恢复路径。
    • 10. 发明申请
    • Video Quality Monitoring Method, Distribution Server, and Client
    • 视频质量监控方法,分发服务器和客户端
    • US20120320222A1
    • 2012-12-20
    • US13597981
    • 2012-08-29
    • Koji NakamichiSatoshi ImaiHiroshi YamamotoToshio Soumiya
    • Koji NakamichiSatoshi ImaiHiroshi YamamotoToshio Soumiya
    • H04N17/00
    • H04N17/004H04N21/2404H04N21/2407H04N21/64723
    • A video quality monitoring method includes a distribution server measuring first video quality index values according to a full-reference method by comparing a video, distributed from the distribution server to a client through a network, with a degraded video, generated by causing multiple scenarios of quality degradation due to the network in the video in a pseudo manner, creating characteristic data of first quality degradation values, obtained by causing the quality degradation to vary with the scenarios at regular intervals, and the first video quality index values corresponding to the respective scenarios, and transmitting the characteristic data to the client; and the client measuring a second quality degradation value in the video distributed through the network, and calculating a second video quality index value, equivalent to a value according to the full-reference method, of the distributed video from the measured second quality degradation value and the characteristic data.
    • 视频质量监视方法包括分发服务器,根据全参考方法,通过将通过网络从分发服务器分发给客户端的视频与通过使用多个场景的多个场景生成的劣化视频进行比较来测量第一视频质量指标值 以伪方式由于视频中的网络导致的质量劣化,产生通过使质量劣化以规则的间隔随场景而变化的第一质量劣化值的特征数据,以及与各个场景对应的第一视频质量指标值 并将特征数据发送给客户端; 并且所述客户端测量通过所述网络分发的视频中的第二质量劣化值,并且根据所测量的第二质量劣化值计算与所述全参考方法相对应的分布式视频的值的第二视频质量指标值,以及 特征数据。