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    • 21. 发明授权
    • Methods and applications for avoiding slow-start restart in transmission control protocol network communications
    • 在传输控制协议网络通信中避免慢启动重启的方法和应用
    • US07609640B2
    • 2009-10-27
    • US10741965
    • 2003-12-19
    • Sadhna AhujaTao WuSudhir Dixit
    • Sadhna AhujaTao WuSudhir Dixit
    • G01R31/08
    • H04L47/37H04L47/10H04L47/115H04L47/193H04L47/27H04L47/28H04L69/16H04L69/163
    • A novel approach is provided for avoiding the “slow-start restart” in TCP communications when network conditions dictate such. The disclosed approach serves to overcome the latency related to the “slow-start restart” by assessing network conditions and avoiding the “slow-start restart” when network conditions justify the avoidance. The disclosed methods, applications and devices implement the periodic communication of a probe packet that is generated and transmitted from a TCP sender to a TCP receiver during the period that the TCP network connection remains idle. Receipt of the probe packet by the TCP receiver will trigger transmission of an acknowledgment message by the TCP receiver. Upon receipt of the acknowledgement message the TCP sender will restart measurement of the idleness period and, as such the “slow-start restart” is avoided.
    • 提供了一种新颖的方法来避免TCP通信中的“慢启动重启”,当网络条件如此。 所公开的方法用于通过评估网络条件并且当网络条件证明避免时避免“慢启动重启”来克服与“慢启动重启”相关的延迟。 所公开的方法,应用和设备实现在TCP网络连接保持空闲的时段期间从TCP发送器到TCP接收器生成和发送的探测分组的周期性通信。 由TCP接收者接收探测报文将触发TCP接收方发送确认消息。 在收到确认消息后,TCP发送方将重新开始空闲周期的测量,因此避免了“慢启动重启”。
    • 22. 发明授权
    • MR-guided breast tumor ablation and temperature imaging system
    • MR指导乳腺肿瘤消融和温度成像系统
    • US07542793B2
    • 2009-06-02
    • US10225915
    • 2002-08-22
    • Tao WuJoel P. Felmlee
    • Tao WuJoel P. Felmlee
    • A61B5/00
    • G01R33/4804
    • An MRI system is employed to aim an ultrasonic transducer at tissues to be treated and to produce images which enable the treatment of the tissues to be monitored. A pulse sequence is used which produces both a spin-echo NMR signal and a gradient-echo NMR signal and changes in phase between these two signals is measured and used to produce a temperature map. Changes in amplitude of the spin-echo NMR signal from a reference spin-echo NMR signal is used to produce images which indicate temperature changes in both fat and water. These temperature maps may be used to aim the heat treatment device.
    • 使用MRI系统将超声波换能器瞄准待治疗的组织,并产生能够对要监测的组织进行治疗的图像。 使用产生自旋回波NMR信号和梯度回波NMR信号的脉冲序列,并测量这两个信号之间的相位变化并用于产生温度图。 使用来自参考自旋回波NMR信号的自旋回波NMR信号的振幅的变化来产生指示脂肪和水中的温度变化的图像。 这些温度图可用于瞄准热处理装置。
    • 25. 发明申请
    • System and method for searching for content stored by one or more media servers
    • 用于搜索由一个或多个媒体服务器存储的内容的系统和方法
    • US20060020589A1
    • 2006-01-26
    • US11188897
    • 2005-07-25
    • Tao WuSadhna Ahuja
    • Tao WuSadhna Ahuja
    • G06F17/30
    • H04L67/2838G06F16/40H04L67/2814
    • A system for searching for content includes at least one media server, a network entity and a content gateway. The media servers are capable of storing at least one piece of content. The network entity, then, is capable of sending a request identifying a piece of content stored by at least one of the media servers. The content gateway can receive the request and search the media servers across at least one network based upon the request. In this regard, the content gateway can search the media servers to identify a media server storing the identified piece of content. Thereafter, the content gateway is capable of responding to the request by identifying, to the network entity, the identified media server. The network entity can then download the piece of content from the identified media server, if so desired.
    • 用于搜索内容的系统包括至少一个媒体服务器,网络实体和内容网关。 媒体服务器能够存储至少一块内容。 然后,网络实体能够发送标识由至少一个媒体服务器存储的内容的请求的请求。 内容网关可以基于该请求接收请求并跨越至少一个网络搜索媒体服务器。 在这方面,内容网关可以搜索媒体服务器来识别存储所识别的内容片段的媒体服务器。 此后,内容网关能够通过向网络实体识别所识别的媒体服务器来响应该请求。 如果需要,网络实体可以从所识别的媒体服务器下载该片内容。
    • 30. 发明授权
    • Road marking detection and recognition
    • 道路标识检测和识别
    • US09053372B2
    • 2015-06-09
    • US13586086
    • 2012-08-15
    • Ananth RanganathanTao Wu
    • Ananth RanganathanTao Wu
    • G06K9/00
    • G06K9/00798
    • A system and method are disclosed for detecting road marking in a video using learned road marking templates. The system comprises a template learning module configured to learn the feature-based road marking templates from a set of training images. The template learning module is configured to rectify each training image, detect multiple regions of interest, and for each detected region of interest, detect multiple key points. The template learning module extracts feature vectors for the detected key points and builds the road marking templates from the feature vectors. The system also includes a road marking detection module for detecting road markings in a video at runtime using the learned road marking templates. During runtime, these templates are matched using a two-step process of first selecting promising feature matches and subsequently performing a structural matching to account for the shape of the road markings.
    • 公开了一种用于使用学习的道路标线模板来检测视频中的道路标线的系统和方法。 该系统包括模板学习模块,其被配置为从一组训练图像中学习基于特征的道路标记模板。 模板学习模块被配置为纠正每个训练图像,检测多个感兴趣区域,并且对于每个检测到的感兴趣区域,检测多个关键点。 模板学习模块提取检测到的关键点的特征向量,并从特征向量建立道路标记模板。 该系统还包括道路标线检测模块,用于使用所学习的道路标线模板在运行时检测视频中的路标。 在运行时间期间,使用两步骤过程来匹配这些模板,该过程首先选择有希望的特征匹配,然后执行结构匹配以考虑道路标记的形状。