WO2007140668A1 - procédé et appareil pour réaliser une surveillance à distance dans un système de téléconférence - Google Patents

procédé et appareil pour réaliser une surveillance à distance dans un système de téléconférence Download PDF

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Publication number
WO2007140668A1
WO2007140668A1 PCT/CN2006/003649 CN2006003649W WO2007140668A1 WO 2007140668 A1 WO2007140668 A1 WO 2007140668A1 CN 2006003649 W CN2006003649 W CN 2006003649W WO 2007140668 A1 WO2007140668 A1 WO 2007140668A1
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WO
WIPO (PCT)
Prior art keywords
control unit
terminal
point control
console
monitored
Prior art date
Application number
PCT/CN2006/003649
Other languages
English (en)
Chinese (zh)
Inventor
Jinghai Chen
Jian Weng
Jun Meng
Zheng Ma
Rongxian Chen
Original Assignee
Zte Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zte Corporation filed Critical Zte Corporation
Publication of WO2007140668A1 publication Critical patent/WO2007140668A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor

Definitions

  • the present invention relates to the field of conference television systems, and in particular, to a remote monitoring method and apparatus capable of controlling a monitored terminal in a conference television system.
  • Two conference TV terminals point-to-point communication, which can be far away from each other's cameras.
  • a plurality of conference television terminals participate in a multipoint conference on the MCU (Multipoint Control Unit, "MCU"), and there is a remote token in the entire conference; the terminal having the remote token can be The terminal it sees is remotely controlled, and can also be remotely controlled by its video source terminal. Other terminals cannot perform remote control.
  • MCU Multipoint Control Unit
  • one terminal can only see one remote image sent by the MCU at the same time in the conference. Even if there are dual streams and multiple pictures, it is limited to the codec capability of the MCU. The number of terminal sites that can be seen on the terminal is also limited.
  • the technical problem to be solved by the present invention is to provide a method and device for realizing remote monitoring in a conference television system, which can solve the problem that the multipoint conference in the traditional conference television system can only achieve end-to-end distance, and the number of monitoring sites on the terminal is limited.
  • the present invention provides a method for implementing remote monitoring in a conference television system, including:
  • Step 1 selecting a monitored terminal that needs to display a screen on the multi-point control unit console, and the multi-point control unit console sends the display command information to the multi-point control unit;
  • Step 2 The multi-point control unit communicates with the monitored terminal, and sends the digital media stream of the monitored terminal to the multi-point control unit console in a manner of independent video or multi-channel video mixing;
  • Step 3 The multi-point control After the unit console is decoded, the monitored terminal screen is presented in a separate video combination or a multi-channel video mixing manner.
  • the multi-point control unit communicates with the monitored terminal by using one of three protocols: H320 protocol, H323 protocol, and SIP protocol.
  • the above method may further have the following features: In the step 3, after the multi-point control unit console decodes, the video is displayed using a web page.
  • the multi-point control unit console performs remote control on the monitored terminal, including:
  • Step A the multi-point control unit console sends a remote command of the corresponding terminal of the monitored screen to the multi-point control unit;
  • Step B The multipoint control unit forwards the remote command to the corresponding terminal.
  • Step C 'The corresponding terminal performs corresponding control on the terminal camera according to the remote command.
  • the multipoint control unit forwards the remote command to the corresponding terminal in one of two ways:
  • the multipoint control unit and the terminal use a data channel carrying remote telemetry signaling, and the multipoint control unit sends the remote camera control code to the terminal on the data channel;
  • the multi-point control unit sends a remote command to the terminal by using a control message through the control channel for interactive signaling, and the terminal parses and executes the control message after receiving the control message.
  • the data channel uses a low speed data channel, a high speed data channel, or a multi-layer protocol channel.
  • the present invention further provides an apparatus for implementing remote monitoring in a conference television system, comprising: a multipoint control unit console, a multipoint control unit, and a plurality of monitored terminals; and the multipoint control unit controls The station is connected to the multipoint control unit for selecting the monitored terminal on which the display screen is to be displayed, transmitting the display command information to the multipoint control unit, and transmitting the independent video of the monitored terminal sent back by the multipoint control unit Or after multi-channel video decoding, it is displayed;
  • the multi-point control unit communicates with the monitored terminal, and sends the digital media stream of the monitored terminal to the multi-point control unit console in a manner of independent video or multi-channel video mixing;
  • the monitored terminal is configured to record an analog video in real time through a terminal camera, and after receiving the recorded analog video, convert the analog video into a digital media stream and transmit the data to a multipoint control unit.
  • the foregoing apparatus may further have the following features: the multipoint control unit console is further configured to send a remote command of the monitored screen corresponding terminal to the multipoint control unit; the multipoint control unit is further configured to: Forwarding the remote command to the corresponding terminal; the corresponding terminal is further configured to perform corresponding control on the terminal camera according to the remote command.
  • the multipoint control unit and the terminal use a data channel carrying remote telemetry signaling, and the multipoint control unit transmits a remote camera control code to the terminal on the data channel.
  • the foregoing apparatus may further have the following feature: the multipoint control unit sends a remote command to the terminal by using a control message through the control channel for the interactive signaling; the terminal parses and executes the received control message.
  • the method and device of the present invention can remotely monitor multiple terminal sites in real time on the MCU console, and can perform FECC control on the monitored terminals in real time, especially for large conference television systems such as military and armed police.
  • FIG. 1 is a structural diagram of a networking of an embodiment of the present invention
  • 3 180600151. 2 is a flow chart of a conference television system MCU transmitting a media stream of a monitored terminal to an MCU console according to an embodiment of the present invention
  • FIG. 3 is a flow chart of the conference television system remotely monitoring the terminal on the MCU console in the embodiment of the present invention.
  • the MCU console is externally connected to the TV, and receives the multi-channel analog image uploaded by the MCU, and is directly displayed without decoding, and the decoding point is on the MCU.
  • the MCU is received on the computer where the MCU console is located.
  • the uploaded digital image is displayed on the WEB page after decoding, and the decoding point is on the MCU console.
  • the embodiment of the present invention is different from the remote control point of the prior art, and the prior art is implemented on the conference television terminal; the present invention is implemented on the MCU console.
  • the prior art uses a far-away token, in essence, only the terminal that has obtained the token can be far away, and can only be far away from the terminal that it sees; the embodiment of the present invention does not have this limitation, as long as it can be viewed on the MCU console. To the image of several terminal sites, remote control of the corresponding terminal sites can be performed separately. '
  • the far-distance channel between the MCU and the terminal can be used to carry the data channel for remote signaling as well as the control channel for interactive signaling, but the remote command should be sent through the non-standard control message encapsulation. .
  • FIG. 1 depicts a simple network diagram of a conference television system.
  • the conference television system in the figure is composed of an MCU console 101, an MCU 102 and a plurality of conference television terminals 103, 104.
  • the MCU console 101 is connected to the MCU 102 for selecting a monitored terminal on which a display screen is to be displayed, and the display command is displayed.
  • the information is sent to the MCU 102, and the independent video or multi-channel video of the conference television terminals 103, 104 sent back by the MCU 102 is decoded, and displayed; after receiving the command from the MUC console 101, the MCU 102 selects The terminals 103, 104 communicate, and the digital media streams of the terminals 103, 104 are sent to the multipoint control unit console in a separate video or multi-channel video; the terminals 103, 104 are used to pass the terminal camera (not shown) Show) 'Real-time recording
  • the analog video is converted and converted to a digital media stream for transmission to the MCU 102.
  • the VICU console 101 is further configured to deliver a remote command of the monitored screen corresponding terminal to the MCU 102; the 102 is further configured to forward the remote command to the corresponding terminal 103, 104; The corresponding terminals 103 and 104 are further configured to perform corresponding control on the terminal camera (not shown) according to the remote command.
  • the protocols for communication between the MCU 102 and the conference television terminals 103 and 104 include, but are not limited to, H320 (Narrow-band visual telephone systems and terminal equipment), H323 (Packet-based multimedia communications system), and SIP (Session Initiation Protocol). .
  • FIG. 2 is a flow chart of the MCU of the conference television system transmitting the monitored terminal media stream to the MCU console according to the present invention.
  • the main process includes the following steps:
  • Step 201 Select a monitored terminal on the MCU console of the conference television system, and notify the MCU;
  • Step 202 The MCU communicates with the monitored terminal, and sends the media stream of the monitored terminal to the MCU console in an independent video or multi-channel video mixing manner;
  • Step 203 The MCU controls the station to display the monitored terminal screen in an independent video combination or a multi-channel video mixing manner, which may be displayed on the interface.
  • Fig. 3 is a flow chart showing the remote control of the conference television system on the MCU console of the present invention.
  • the main process includes the following steps:
  • Step 301 Select a monitored screen on the MCU console, and send the remote command to the MCU corresponding to the final dock;
  • Step 302 After receiving the remote command sent by the MCU console, the MCU forwards the remote command to the corresponding terminal.
  • the MCU sends a remote command to the terminal in one of two ways:
  • the MCU and the terminal open a data channel carrying the remote signaling, and the data channel may be an LSD (Low-Speed Data) channel or an HSD (High-Speed Data) channel.
  • LSD Low-Speed Data
  • HSD High-Speed Data
  • MLP Multilayer Protocol
  • the conference TV terminal can be far away, and it is more general.
  • Mode 2 The MCU sends a remote command to the terminal through a customized non-standard control message, and the terminal parses and executes after receiving the message. In this way, the terminal and the MCU need to negotiate non-standard far-reaching messages, which can only be used for the terminal of the manufacturer.
  • the remote data is carried by the H245 non-standard message, and the terminal is required to be identified and parsed.
  • Customize a remote data identifier such as "1 3 6 1 4 1 3902 3002 ", with telemetry data, using the command.nonStandard.nonStandardData.data field 7 .
  • NonStandardMessage :: -SEQUENCE
  • NonStandardldentifier : -CHOICE
  • Step 303 After receiving the remote command, the terminal performs corresponding control on the terminal camera, such as the camera up, down, left, and right, zoom "-", zoom "+”, aperture “+”, aperture”- " Wait.
  • the method and device of the present invention can remotely monitor multiple terminal sites in real time on the MCU console, and can perform FECC control on the monitored terminals in real time, which is very useful for large-scale conference television systems such as military and armed police. .

Abstract

L'invention concerne un procédé pour réaliser une surveillance à distance dans un système de téléconférence, selon lequel : un terminal surveillé dont l'image doit être affichée est sélectionné sur une console de l'unité de commande multipoint, et la console de l'unité de commande multipoint transmet les informations de commande d'affichage à l'unité de commande multipoint; l'unité de commande multipoint est mise en communication avec le terminal surveillé, et transmet le flux multimédia numérique du terminal surveillé à la console de l'unité de commande multipoint sous forme de vidéo indépendante ou de mélange vidéo par trajets multiples; et après décodage, l'image du terminal surveillé est présentée sous forme de combinaison vidéo indépendante ou de mélange vidéo par trajets multiples par la console de l'unité de commande multipoint. L'invention concerne également un appareil pour réaliser une surveillance à distance dans un système de téléconférence. En utilisant le procédé et l'appareil de l'invention, des lieux de réunion de terminaux multiples peuvent être surveillés en temps réel sur la console de l'unité de commande multipoint, et une commande FECC pour le terminal surveillé peut être réalisée en temps réel, ils sont donc utiles pour la téléconférence à grande échelle de l'armée et de la police armée.
PCT/CN2006/003649 2006-06-08 2006-12-28 procédé et appareil pour réaliser une surveillance à distance dans un système de téléconférence WO2007140668A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610012158.6 2006-06-08
CN200610012158A CN101087398B (zh) 2006-06-08 2006-06-08 一种在会议电视系统中实现远程监控的方法和装置

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Publication Number Publication Date
WO2007140668A1 true WO2007140668A1 (fr) 2007-12-13

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CN (1) CN101087398B (fr)
WO (1) WO2007140668A1 (fr)

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CN103905775A (zh) * 2012-12-25 2014-07-02 华为技术有限公司 远程呈现会议中会议终端的切换方法及系统、会议终端
US10516703B2 (en) 2016-03-07 2019-12-24 Precision Biometrics, Inc. Monitoring and controlling the status of a communication session

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CN101483758B (zh) * 2008-01-11 2012-11-21 天地阳光通信科技（北京）有限公司 一种视频监控系统与视频会议系统的融合系统
CN101662642B (zh) * 2008-08-26 2011-11-30 中兴通讯股份有限公司 一种将实时监控图像直接引入视频会议的方法
CN101808221A (zh) * 2010-04-01 2010-08-18 中兴通讯股份有限公司 一种字幕远程控制方法和系统
CN101854511B (zh) * 2010-05-24 2013-06-05 华为终端有限公司 应用于视讯会议终端系统的中控及视讯会议终端系统
US8842170B2 (en) 2010-06-01 2014-09-23 Intel Corporation Method and apparaus for making intelligent use of active space in frame packing format
CN101888523A (zh) * 2010-06-30 2010-11-17 华为终端有限公司 会议控制方法和系统
CN102377979B (zh) * 2010-08-11 2014-02-05 杭州华三通信技术有限公司 一种摄像机控制系统和控制方法
CN102244764B (zh) * 2011-06-28 2015-08-19 华为终端有限公司 状态转换控制方法、多点控制服务器和视讯会议系统
CN102932594B (zh) * 2012-10-16 2016-01-20 苏州科达科技股份有限公司 摄像头控制系统、方法、及其终端、摄像头及遥控器
CN106331890A (zh) * 2015-06-24 2017-01-11 中兴通讯股份有限公司 视频通讯图像的处理方法及装置
CN110049276A (zh) * 2019-05-13 2019-07-23 广州北辰信息科技有限公司 一种基于智能会议一体机的高清图像传输系统
CN115052106B (zh) * 2022-05-26 2024-04-23 深圳市华运通科技股份有限公司 一种智能终端的远程控制方法、设备及介质

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US10516703B2 (en) 2016-03-07 2019-12-24 Precision Biometrics, Inc. Monitoring and controlling the status of a communication session

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CN101087398A (zh) 2007-12-12
CN101087398B (zh) 2010-05-12

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