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267 条记录 (耗时 0.062 秒)

    System and method for real-time whiteboard streaming
    91.
    发明授权
    System and method for real-time whiteboard streaming 有权
    用于实时白板流的系统和方法

    公开(公告)号：US07224847B2

    公开(公告)日：2007-05-29

    申请号：US10463068

    申请日：2003-06-17

    申请人： Zhengyou Zhang ,  Li-wei He

    发明人： Zhengyou Zhang ,  Li-wei He

    IPC分类号： G06K9/40

    CPC分类号： H04L65/4046 ,  H04L29/06027 ,  H04L67/38 ,  H04N7/15

    摘要： A system and method for streaming whiteboard content to computing devices in a networked environment. The invention is an extension of whiteboard image generation technology to provide network-based collaboration of a target meeting. In one aspect, each networked client can receive audio content and whiteboard content (video images). In another aspect, each networked client can transmit audio content and annotation content which is displayed separately or generated on the whiteboard image. The streaming content is built on external collaboration frameworks.

    摘要翻译： 一种用于将白板内容传送到网络环境中的计算设备的系统和方法。 本发明是白板图像生成技术的扩展，以提供目标会议的基于网络的协作。 在一个方面，每个联网的客户端可以接收音频内容和白板内容（视频图像）。 在另一方面，每个联网的客户端可以发送单独显示或在白板图像上生成的音频内容和注释内容。 流媒体内容基于外部协作框架。

    Calibration based beamforming, non-linear adaptive filtering, and multi-sensor headset
    92.
    发明申请
    Calibration based beamforming, non-linear adaptive filtering, and multi-sensor headset 有权
    基于校准的波束成形，非线性自适应滤波和多传感器耳机

    公开(公告)号：US20070088544A1

    公开(公告)日：2007-04-19

    申请号：US11251164

    申请日：2005-10-14

    申请人： Alejandro Acero ,  Michael Seltzer ,  Zhengyou Zhang ,  Zicheng Liu

    发明人： Alejandro Acero ,  Michael Seltzer ,  Zhengyou Zhang ,  Zicheng Liu

    IPC分类号： G10L21/02

    CPC分类号： G10L21/02 ,  G10L25/78 ,  G10L2021/02166

    摘要： A first set of signals from an array of one or more microphones, and a second signal from a reference microphone are used to calibrate a set of filter parameters such that the filter parameters minimize a difference between the second signal and a beamformer output signal that is based on the first set of signals. Once calibrated, the filter parameters are used to form a beamformer output signal that is filtered using a non-linear adaptive filter that is adapted based on portions of a signal that do not contain speech, as determined by a speech detection sensor.

    摘要翻译： 使用来自一个或多个麦克风的阵列的第一组信号和来自参考麦克风的第二信号来校准一组滤波器参数，使得滤波器参数最小化第二信号与波束形成器输出信号之间的差异， 基于第一组信号。 一旦被校准，滤波器参数被用于形成使用非线性自适应滤波器进行滤波的波束形成器输出信号，所述非线性自适应滤波器基于由语音检测传感器确定的不包含语音的信号的部分而被适配。

    Multimodal note taking, annotation, and gaming
    93.
    发明申请
    Multimodal note taking, annotation, and gaming 失效
    多模式笔记，注释和游戏

    公开(公告)号：US20070022372A1

    公开(公告)日：2007-01-25

    申请号：US11172127

    申请日：2005-06-29

    申请人： Zicheng Liu ,  Zhengyou Zhang ,  David Kurlander ,  David Williams

    发明人： Zicheng Liu ,  Zhengyou Zhang ,  David Kurlander ,  David Williams

    IPC分类号： G06F17/00

    CPC分类号： G06F17/30029 ,  G06F17/30056 ,  G06K9/222

    摘要： A multimodal, multilanguage mobile device which can be employed to enhance note taking and/or annotation of a document, and gaming. Input data types such as optical character recognition (OCR), speech, handwriting, and visual information (e.g., image and/or video), etc., can be fused to generate rich documents with a multidimensional level of data to provide an increased level of context over conventional documents. Such architecture can be utilized by students for homework management, as well as entertainment (e.g., gaming).

    摘要翻译： 一种多模式多语言移动设备，可用于增强文档的记录和/或注释以及游戏。 可以融合诸如光学字符识别（OCR），语音，手写和视觉信息（例如，图像和/或视频）等的输入数据类型以产生具有多维数据级别的丰富文档，以提供增加的级别 与常规文件相关的上下文。 这种架构可以由学生用于家庭作业管理以及娱乐（例如游戏）。