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    • 5. 发明申请
    • SYSTEM AND APPARATUS FOR POWER-EFFICIENTLY DELIVERING WEBPAGE CONTENTS IN A BROADCAST NETWORK
    • 在广播网络中高效地传送内容的系统和设备
    • WO2011159515A1
    • 2011-12-22
    • PCT/US2011/039312
    • 2011-06-06
    • QUALCOMM INCORPORATEDGAO, QiangDAI, MinXUE, Qi
    • GAO, QiangDAI, MinXUE, Qi
    • H04H20/42H04H20/72
    • H04H20/42H04H20/72Y02D70/142Y02D70/146Y02D70/168
    • Embodiments provide bandwidth efficient mechanisms for delivering rich media content, such as webpages, to receiver devices via a multimedia broadcast network. Content, such as selected webpages, is broadcast as disassembled content elements via the broadcast network. To enable reception, the disassembled content elements are broadcast according to a broadcast schedule that is communicated in an overhead content description flow, such as a catalog file. Receiver devices receive the catalog file and use the metadata information to selectively receive disassembled content and store the content elements in memory. When a user requests access to the content (e.g., a webpage via a web browser), an application operating in the receiver device assembles the requested content from the previously received and stored disassembled content elements, and passes the assembled webpage to a using or rendering application.
    • 实施例提供了用于经由多媒体广播网络将富媒体内容(例如网页)传送到接收机设备的带宽有效的机制。 诸如所选网页的内容通过广播网络作为反汇编的内容元素进行广播。 为了能够接收,根据在诸如目录文件的开销内容描述流中传送的广播调度来广播反转的内容元素。 接收器设备接收目录文件并使用元数据信息来选择性地接收反汇编的内容并将内容元素存储在存储器中。 当用户请求访问内容(例如,通过网络浏览器的网页)时,在接收机设备中操作的应用程序从先前接收和存储的反汇编的内容元素中组合所请求的内容,并将组装的网页传递到使用或呈现 应用。
    • 6. 发明申请
    • ADAPTIVE MONITORING METHOD FOR UPDATE DETECTION IN A MOBILE BROADCAST NETWORK
    • 用于移动广播网络中更新检测的自适应监控方法
    • WO2011085246A1
    • 2011-07-14
    • PCT/US2011/020577
    • 2011-01-07
    • QUALCOMM INCORPORATEDGAO, QiangXUE, QiPAZOS, Carlos
    • GAO, QiangXUE, QiPAZOS, Carlos
    • H04W4/06
    • H04L12/1877H04H40/18H04H60/25H04H60/73H04W72/005Y02D70/164Y02D70/168
    • Information included within metadata broadcast within an overhead flow of a mobile broadcast network enables receiver devices to determine when metadata updates will occur. The mobile broadcast network can include within metadata messages information related to a time for the next metadata update. Using this information, receiver devices can determine when the next metadata update will occur and de- energize the receiver until that time. Enabling mobile devices to remain de-energized until the next metadata update improves their power efficiency. Synchronizing mobile devices to access the overhead flow for updated metadata reduces the content delivery latency that the system must accommodate, thereby improving system flexibility and bandwidth efficiency. Specify the time of a next metadata update enables the broadcast system to change the rate and timing at which metadata updates are performed.
    • 在移动广播网络的开销流程内广播的元数据中包含的信息使接收机设备能够确定元数据更新何时发生。 移动广播网络可以在元数据消息中包括与下一个元数据更新的时间有关的信息。 使用该信息,接收机设备可以确定何时将发生下一个元数据更新,并在接下来的时间关闭接收器。 使移动设备保持断电,直到下一个元数据更新提高其功率效率。 同步移动设备以访问用于更新的元数据的开销流程可以减少系统必须适应的内容传送延迟,从而提高系统灵活性和带宽效率。 指定下一个元数据更新的时间使广播系统能够更改执行元数据更新的速率和时间。
    • 9. 发明公开
    • HEAD POSE ESTIMATION USING RGBD CAMERA
    • 使用RGBD摄像头进行头部位置估计
    • EP2710554A1
    • 2014-03-26
    • EP12720756.1
    • 2012-05-03
    • Qualcomm Incorporated
    • SHARMA, PiyushSWAMINATHAN, AshwinREZAIIFAR, RaminXUE, Qi
    • G06T7/00G06K9/00
    • A three-dimensional pose of the head of a subject is determined based on depth data captured in multiple images. The multiple images of the head are captured, e.g., by an RGBD camera. A rotation matrix and translation vector of the pose of the head relative to a reference pose is determined using the depth data. For example, arbitrary feature points on the head may be extracted in each of the multiple images and provided along with corresponding depth data to an Extended Kalman filter with states including a rotation matrix and a translation vector associated with the reference pose for the head and a current orientation and a current position. The three-dimensional pose of the head with respect to the reference pose is then determined based on the rotation matrix and the translation vector.
    • 基于在多个图像中捕获的深度数据来确定对象的头部的三维姿势。 例如,通过RGBD照相机捕捉头部的多个图像。 使用深度数据确定头部姿态相对于参考姿态的旋转矩阵和平移向量。 例如,可以在多个图像中的每个图像中提取头部上的任意特征点,并将其与对应的深度数据一起提供给扩展卡尔曼滤波器,其中扩展卡尔曼滤波器的状态包括旋转矩阵和与用于头部的参考姿势相关联的平移矢量, 当前方向和当前位置。 然后基于旋转矩阵和平移矢量确定头部相对于参考姿势的三维姿态。