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    • 83. 发明授权
    • Method of authentication in IP multimedia subsystem
    • IP多媒体子系统认证方法
    • US07974604B2
    • 2011-07-05
    • US11842668
    • 2007-08-21
    • Jun YanYing WangChengdong He
    • Jun YanYing WangChengdong He
    • H04M1/66
    • H04L63/20H04L63/08H04L63/205H04L65/1016
    • A method of authentication in an IMS includes: after receiving a Register message from a UE, locating, by a P-CSCF, a CLF according to information contained in the Register message and a pre-configured relationship; querying, by the P-CSCF, the CLF about NASS attachment information of the UE to obtain a query result, and sending the Register message carrying the query result to an I-CSCF; forwarding, by the I-CSCF, the Register message carrying the query result to a S-CSCF assigned by a UPSF or the HSS; authenticating the UE and sending an authentication result to the UE by the S-CSCF. In embodiments of the present invention, the UPSF or the HSS in the service layer determines the authentication mechanism of the user, and the S-CSCF implements the authentication, which is more reasonable. Embodiments of the present invention also provide combinations of NBA with other authentication mechanisms, thereby guarantees the authentication of the user after the NBA authentication fails.
    • IMS中的认证方法包括:在接收到来自UE的注册消息之后,根据包含在所述注册消息中的信息和预先配置的关系,由P-CSCF定位CLF; 由P-CSCF询问CLF关于UE的NASS附件信息以获得查询结果,并将携带查询结果的Register消息发送到I-CSCF; 由I-CSCF将携带查询结果的注册消息转发给由UPSF或HSS分配的S-CSCF; 认证UE并通过S-CSCF向UE发送认证结果。 在本发明的实施例中,服务层中的UPSF或HSS确​​定用户的认证机制,并且S-CSCF执行认证,这更为合理。 本发明的实施例还提供NBA与其他认证机制的组合,从而保证在NBA认证失败之后用户的认证。
    • 87. 发明授权
    • Forecasting time-dependent search queries
    • 预测与时间相关的搜索查询
    • US07693823B2
    • 2010-04-06
    • US11770385
    • 2007-06-28
    • Ning LiuJun YanBenyu ZhangZheng ChenJian Wang
    • Ning LiuJun YanBenyu ZhangZheng ChenJian Wang
    • G06F17/30
    • G06F17/30864G06Q30/02
    • Techniques for analyzing and modeling the frequency of queries are provided by a query analysis system. A query analysis system analyzes frequencies of a query over time to determine whether the query is time-dependent or time-independent. The query analysis system forecasts the frequency of time-dependent queries based on their periodicities. The query analysis system forecasts the frequency of time-independent queries based on causal relationships with other queries. To forecast the frequency of time-independent queries, the query analysis system analyzes the frequency of a query over time to identify significant increases in the frequency, which are referred to as “query events” or “events.” The query analysis system forecasts frequencies of time-independent queries based on queries with events that tend to causally precede events of the query to be forecasted.
    • 用于分析和建模查询频率的技术由查询分析系统提供。 查询分析系统分析查询的频率,以确定查询是时间依赖还是时间无关。 查询分析系统根据其周期性预测与时间相关的查询的频率。 查询分析系统根据与其他查询的因果关系预测与时间无关的查询的频率。 为了预测时间无关查询的频率,查询分析系统随时间分析查询的频率,以识别频率的显着增加,这被称为“查询事件”或“事件”。查询分析系统预测频率 基于具有事件倾向于在要预测的查询的事件之前的查询的与时间无关的查询。
    • 88. 发明授权
    • Identification of events of search queries
    • 识别搜索查询的事件
    • US07689622B2
    • 2010-03-30
    • US11770423
    • 2007-06-28
    • Ning LiuJun YanBenyu ZhangZheng ChenJian Wang
    • Ning LiuJun YanBenyu ZhangZheng ChenJian Wang
    • G06F17/30
    • G06F17/30864G06Q30/02
    • Techniques for analyzing and modeling the frequency of queries are provided by a query analysis system. A query analysis system analyzes frequencies of a query over time to determine whether the query is time-dependent or time-independent. The query analysis system forecasts the frequency of time-dependent queries based on their periodicities. The query analysis system forecasts the frequency of time-independent queries based on causal relationships with other queries. To forecast the frequency of time-independent queries, the query analysis system analyzes the frequency of a query over time to identify significant increases in the frequency, which are referred to as “query events” or “events.” The query analysis system forecasts frequencies of time-independent queries based on queries with events that tend to causally precede events of the query to be forecasted.
    • 用于分析和建模查询频率的技术由查询分析系统提供。 查询分析系统分析查询的频率,以确定查询是时间依赖还是时间无关。 查询分析系统根据其周期性预测与时间相关的查询的频率。 查询分析系统根据与其他查询的因果关系预测与时间无关的查询的频率。 为了预测时间无关查询的频率,查询分析系统随时间分析查询的频率,以识别频率的显着增加,这被称为“查询事件”或“事件”。查询分析系统预测频率 基于具有事件倾向于在要预测的查询的事件之前的查询的与时间无关的查询。
    • 90. 发明申请
    • METHOD AND APPARATUS FOR VIDEO TRANSCODING
    • 视频转码的方法和装置
    • US20090207918A1
    • 2009-08-20
    • US12432218
    • 2009-04-29
    • Gaosheng FANJun Yan
    • Gaosheng FANJun Yan
    • H04N7/24
    • H04N19/146H04N19/40H04N19/51H04N19/61H04N21/440218
    • The present embodiments disclose methods and apparatus for transcoding video data. A method for transcoding video data may include: performing variable length decoding on an input bit stream; determining a bit stream part that can be transmitted transparently and a bit stream part that cannot be transmitted transparently according to an original compression protocol, a target compression protocol, and relevant bit stream parameters; decompressing the bit stream part that cannot be transmitted transparently according to the original compression protocol and compressing the decompressed bit stream according to the target compression protocol; combining the bit stream part that can be transmitted transparently and the compressed bit stream part that cannot be transmitted transparently; and performing variable length coding on the combined bit stream to generate an output bit stream. This greatly decreases the calculation workload of the transcoder, speeds up transcoding, and ensures real-time image transmission.
    • 本实施例公开了对视频数据进行代码转换的方法和装置。 用于对视频数据进行代码转换的方法可以包括:对输入比特流执行可变长度解码; 确定可以透明地传输的比特流部分和根据原始压缩协议,目标压缩协议和相关比特流参数不能透明地传输的比特流部分; 解压缩根据原始压缩协议不能透明地传输的比特流部分,并根据目标压缩协议压缩解压缩的比特流; 组合可透传的比特流部分和不能透明传输的压缩比特流部分; 以及对所述组合比特流执行可变长度编码以产生输出比特流。 这大大降低了代码转换器的计算工作量,加快了代码转换,并确保了图像的实时传输。