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    TECHNIQUES AND SYSTEM FOR ACTIVE LIGHTING CONTROL IN VIDEO CONFERENCING
    2.
    发明申请
    TECHNIQUES AND SYSTEM FOR ACTIVE LIGHTING CONTROL IN VIDEO CONFERENCING 有权
    视频会议中主动照明控制的技术和系统

    公开(公告)号：US20120200660A1

    公开(公告)日：2012-08-09

    申请号：US13021341

    申请日：2011-02-04

    申请人： William Verthein ,  Jingyu Qiu

    发明人： William Verthein ,  Jingyu Qiu

    IPC分类号： H04N7/15 ,  H04N5/225

    CPC分类号： H04N7/15 ,  H05B37/0218 ,  H05B37/0245 ,  Y02B20/46

    摘要： Techniques to provide active lighting control for video teleconferencing systems are described. In an embodiment, a video teleconferencing (TVC) device receives lighting data from cameras in a room where a VTC is taking place. The VTC device may access lighting profiles for the lights in the room from a lighting control system. The VTC device may compare the current lighting conditions to a target model. The VTC device may use the lighting profiles to select lights to turn on or off via the lighting control system to improve the lighting. The VTC device may monitor the lighting conditions during the conference and may re-adjust the lights if a large change occurs. Other embodiments are described and claimed.

    摘要翻译： 描述了为视频电话会议系统提供主动照明控制的技术。 在一个实施例中，视频电话会议（TVC）设备从正在进行VTC的房间中的照相机接收照明数据。 VTC设备可以从照明控制系统访问房间中的灯的照明配置文件。 VTC设备可以将当前的照明条件与目标模型进行比较。 VTC设备可以使用照明配置文件来选择通过照明控制系统打开或关闭灯光以改善照明。 VTC设备可以在会议期间监视照明条件，如果发生大的变化，可以重新调整灯光。 描述和要求保护其他实施例。

    REDUCING EFFECTS OF PACKET LOSS IN VIDEO TRANSMISSIONS
    5.
    发明申请
    REDUCING EFFECTS OF PACKET LOSS IN VIDEO TRANSMISSIONS 有权
    在视频传输中减少分组丢失的影响

    公开(公告)号：US20080225735A1

    公开(公告)日：2008-09-18

    申请号：US11686198

    申请日：2007-03-14

    申请人： Jingyu Qiu ,  Timothy M. Moore ,  Guo-Wei Shieh ,  Zong Zong Yuan ,  Regis Crinon ,  Arvind Jayasundar

    发明人： Jingyu Qiu ,  Timothy M. Moore ,  Guo-Wei Shieh ,  Zong Zong Yuan ,  Regis Crinon ,  Arvind Jayasundar

    IPC分类号： H04L12/56

    CPC分类号： H04L1/0009 ,  H04L1/007 ,  H04N19/65 ,  H04N19/89

    摘要： An error correction system determines a level of error correction protection to apply to a frame of video data to be transmitted by a sending endpoint to a receiving endpoint based on the predicted impact of packet loss as well as the importance of the frame based on inter-frame dependencies, frame size, packet loss probability, historical packet loss pattern, central processing unit (CPU) load, and available network bandwidth. At the receiving endpoint, when packet loss is detected for a particular frame, the receiving endpoint will attempt to recover the frame using protection packets received along with the video data.

    摘要翻译： 错误校正系统基于预测的分组丢失的影响以及基于帧间间隔的帧的重要性来确定应用于要由发送端点发送到接收端点的视频数据帧的纠错保护级别， 帧依赖性，帧大小，丢包概率，历史丢包模式，中央处理单元（CPU）负载和可用网络带宽。 在接收端点，当检测到特定帧的分组丢失时，接收端点将尝试使用与视频数据一起接收的保护分组来恢复帧。

    Reducing effects of packet loss in video transmissions
    7.
    发明授权
    Reducing effects of packet loss in video transmissions 有权
    减少视频传输中丢包的影响

    公开(公告)号：US07957307B2

    公开(公告)日：2011-06-07

    申请号：US11686198

    申请日：2007-03-14

    申请人： Jingyu Qiu ,  Timothy M. Moore ,  Guo-Wei Shieh ,  Zong Zong Yuan ,  Regis Crinon ,  Arvind Jayasundar

    发明人： Jingyu Qiu ,  Timothy M. Moore ,  Guo-Wei Shieh ,  Zong Zong Yuan ,  Regis Crinon ,  Arvind Jayasundar

    IPC分类号： H04L12/26 ,  H04L1/18 ,  H03M13/00

    CPC分类号： H04L1/0009 ,  H04L1/007 ,  H04N19/65 ,  H04N19/89

    摘要： An error correction system determines a level of error correction protection to apply to a frame of video data to be transmitted by a sending endpoint to a receiving endpoint based on the predicted impact of packet loss as well as the importance of the frame based on inter-frame dependencies, frame size, packet loss probability, historical packet loss pattern, central processing unit (CPU) load, and available network bandwidth. At the receiving endpoint, when packet loss is detected for a particular frame, the receiving endpoint will attempt to recover the frame using protection packets received along with the video data.

    摘要翻译： 错误校正系统基于预测的分组丢失的影响以及基于帧间间隔的帧的重要性来确定应用于要由发送端点发送到接收端点的视频数据帧的纠错保护级别， 帧依赖性，帧大小，丢包概率，历史丢包模式，中央处理单元（CPU）负载和可用网络带宽。 在接收端点，当检测到特定帧的分组丢失时，接收端点将尝试使用与视频数据一起接收的保护分组来恢复帧。

    LIGHTING ARRAY CONTROL
    8.
    发明申请
    LIGHTING ARRAY CONTROL 失效
    照明阵列控制

    公开(公告)号：US20090185358A1

    公开(公告)日：2009-07-23

    申请号：US12017047

    申请日：2008-01-21

    申请人： Zicheng Liu ,  Mingxuan Sun ,  Jingyu Qiu ,  Zhengyou Zhang ,  Michael J. Sinclair

    发明人： Zicheng Liu ,  Mingxuan Sun ,  Jingyu Qiu ,  Zhengyou Zhang ,  Michael J. Sinclair

    IPC分类号： G03B15/02

    CPC分类号： G03B15/02

    摘要： A subject captured by a camera may be affected by environmental lighting provided by nearby light sources and the sun or moon, which may cause underexposure or overexposure of the image or aesthetically displeasing color tones. Image processing and camera adjustments may mitigate some imaging problems with limited effect and introduce undesirable side effects. A lighting array may be devised to expose the subject to various types of light (e.g., white light comprising full spectrum illumination and red, green, and blue lights comprising partial spectrum illumination) to resolve lighting problems in a more effective manner. Moreover, the lighting array may be responsively controlled to adjust the subject image with respect to one or more target spectra specifying desirable colors for the subject image. The lighting array may be iteratively controlled, e.g. by a gradient descent algorithm, for incrementally adjusting parameters with respect to proximate target spectra for the image.

    摘要翻译： 由相机拍摄的被摄体可能会受到附近光源和太阳或月亮所提供的环境照明的影响，这可能会导致图像曝光不足或过度曝光或美观上不悦色调。 图像处理和相机调整可以以有限的效果减轻一些成像问题，并引入不期望的副作用。 可以设计照明阵列以将对象暴露于各种类型的光（例如，包括全光谱照明的白光和包括部分光谱照明的红色，绿色和蓝色光）以更有效的方式解决照明问题。 此外，可以响应地控制照明阵列以相对于为目标图像指定所需颜色的一个或多个目标光谱来调整被摄体图像。 可以迭代地控制照明阵列，例如。 通过梯度下降算法，用于相对于图像的近似目标光谱递增调整参数。

    MULTIPLE RESOLUTION CAPTURE IN REAL TIME COMMUNICATIONS
    9.
    发明申请
    MULTIPLE RESOLUTION CAPTURE IN REAL TIME COMMUNICATIONS 有权
    实时通信中的多个分辨率捕获

    公开(公告)号：US20080266411A1

    公开(公告)日：2008-10-30

    申请号：US11740081

    申请日：2007-04-25

    申请人： Regis J. Crinon ,  Jingyu Qiu ,  Eran Shtiegman

    发明人： Regis J. Crinon ,  Jingyu Qiu ,  Eran Shtiegman

    IPC分类号： H04N5/228

    CPC分类号： H04N5/232 ,  H04L67/28 ,  H04L67/2823 ,  H04N5/23206

    摘要： During remote communication session, there can be situations where information needs to be sent at a high resolution. Sending information at a high resolution allows for the capture of detail that can be lost without the use of a high resolution. A web camera can obtain information in both a higher resolution and standard resolution. A sending component can send this information encoded with markers that allow a receiving component to process and display the information.

    摘要翻译： 在远程通信会话期间，可能会出现需要以高分辨率发送信息的情况。 以高分辨率发送信息允许在不使用高分辨率的情况下捕获可能丢失的细节。 网络摄像机可以获得更高分辨率和标准分辨率的信息。 发送组件可以发送使用允许接收组件处理和显示信息的标记编码的信息。

    Unified communication based multi-screen video system
    10.
    发明授权
    Unified communication based multi-screen video system 有权
    统一通信多屏幕视频系统

    公开(公告)号：US08290128B2

    公开(公告)日：2012-10-16

    申请号：US12813083

    申请日：2010-06-10

    申请人： Jingyu Qiu ,  Warren Vincent Barkley ,  Timothy M. Moore

    发明人： Jingyu Qiu ,  Warren Vincent Barkley ,  Timothy M. Moore

    IPC分类号： H04M11/00

    CPC分类号： H04N7/15 ,  G06Q10/00 ,  H04N7/152

    摘要： A multiple screen telepresence style video conferencing experience is provided employing generic hardware and intelligent software, which may be based on existing enhanced communication systems such as unified communication systems. Through a component based approach, the system can be deployed in any conference room, assembled on the spot by an untrained user, flexible to accommodate any number of screens.

    摘要翻译： 提供采用通用硬件和智能软件的多屏幕远程呈现式视频会议体验，其可以基于诸如统一通信系统的现有增强通信系统。 通过基于组件的方法，系统可以部署在任何会议室中，由未经培训的用户现场组装，灵活适应任何数量的屏幕。