WO2014090047A1 - 一种会议电视多画面切换的方法及系统 - Google Patents

一种会议电视多画面切换的方法及系统 Download PDF

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Publication number
WO2014090047A1
WO2014090047A1 PCT/CN2013/085903 CN2013085903W WO2014090047A1 WO 2014090047 A1 WO2014090047 A1 WO 2014090047A1 CN 2013085903 W CN2013085903 W CN 2013085903W WO 2014090047 A1 WO2014090047 A1 WO 2014090047A1
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WO
WIPO (PCT)
Prior art keywords
screen
control message
picture
conference television
handover control
Prior art date
Application number
PCT/CN2013/085903
Other languages
English (en)
French (fr)
Inventor
谢伦鹏
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP13862766.6A priority Critical patent/EP2930925A4/en
Priority to US14/650,723 priority patent/US9467649B2/en
Publication of WO2014090047A1 publication Critical patent/WO2014090047A1/zh

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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
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1059—End-user terminal functionalities specially adapted for real-time communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • 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

Definitions

  • the present invention relates to a video image multi-picture control technology, and more particularly to a video surveillance and conference television multi-picture handover method and related system.
  • BACKGROUND At present, multi-screen number switching and multi-screen layout of conference television and sub-screen design generally operate in a web interface of a computer (PC), and the user's multi-screen selection information must be passed through the web by means of a PC console. It is sent to the Multi Control Unit (MCU for short) to control the switching of multiple pictures.
  • MCU Multi Control Unit
  • An object of the embodiments of the present invention is to provide a method and system for multi-screen switching of a conference television, which can better solve the problem of inflexibility of multi-screen handover control.
  • a method for multi-screen switching of a conference television including: a multi-screen switching apparatus generates a handover control message for controlling a multi-screen number or a multi-screen layout according to a user input, and transmitting at most a point control unit MCU or a conference television terminal; when the handover control message is sent to the MCU, the MCU switches the multi-screen number or multi-screen layout of all the conference television terminals according to the handover control message; when the handover control message is sent to In the case of a conference television terminal, the conference television terminal switches its own multi-picture number or multi-screen layout according to the handover control message.
  • the multi-picture switching apparatus generates a handover control message including the multi-picture allocation list information by using the multi-picture allocation unit.
  • the multi-screen switching device generates a handover control message including multi-screen layout list information by using its multi-screen layout unit.
  • the method further comprises: If the multi-screen switching device receives a user input for adding/deleting a conference television terminal sub-screen, using its multi-screen assignment unit, generating an add/delete instruction, a to-be-added/deleted conference television terminal identification information, to be added / deleting the handover control message of the sub-picture location information of the conference television terminal, and transmitting the handover control message to the MCU or the video conference terminal.
  • the method further includes: when the handover control message is sent to the MCU, the MCU adds/deletes the to-be-added/deleted conference television on the designated sub-screen position in the multi-screen of all the conference television terminals according to the handover control message. a sub-picture of the terminal; when the handover control message is sent to the conference television terminal, the conference television terminal adds/deletes the to-be-added/deleted conference television on the designated sub-picture position in the multi-screen according to the handover control message The sub-picture of the terminal.
  • the method further includes: if the multi-picture switching device receives a user input for transferring a conference television terminal sub-picture in a multi-screen, using the multi-picture transfer unit to generate a transfer instruction, the to-be-transferred conference television terminal identifier And a switching control message of the atomic picture position information and the new sub-picture position information, and transmitting the switching control message to the MCU or the video conference terminal.
  • the method further includes: when the handover control message is sent to the MCU, the MCU transfers the sub-picture of the conference television terminal to be transferred in the multi-view of all the conference television terminals from the atomic screen position to the new sub-substation according to the handover control message.
  • a system for conference television multi-picture handover including: a multi-picture switching apparatus, configured to generate a handover control message for controlling a multi-screen number or a multi-screen layout according to a user input.
  • the MCU is configured to, when receiving the handover control message, switch a multi-screen number or a multi-screen layout of all conference television terminals according to the handover control message;
  • the conference television terminal is configured to receive the handover control message And switching its own multi-picture number or multi-screen layout according to the handover control message.
  • the multi-screen switching apparatus includes: a multi-screen allocating unit configured to generate a switching control message including multi-screen allocation list information; a multi-screen layout unit configured to generate a switching control message including multi-screen layout list information; a screen assignment unit configured to generate a handover control message including an add/delete command, a conference television terminal identification information to be added/deleted, a sub-picture location information to be added/deleted to the conference television terminal, and send the handover control message to the MCU Or a video conferencing terminal.
  • a multi-screen allocating unit configured to generate a switching control message including multi-screen allocation list information
  • a multi-screen layout unit configured to generate a switching control message including multi-screen layout list information
  • a screen assignment unit configured to generate a handover control message including an add/delete command, a conference television terminal identification information to be added/deleted, a sub-picture location information to be added/deleted to the conference television terminal, and send the handover control message to the MCU
  • the multi-picture transfer unit is configured to generate a handover control message including a transfer instruction, a conference television terminal identifier to be transferred, atomic picture position information, and new sub-picture position information, and send the handover control message to the MCU or the video conference terminal.
  • a handover control message including a transfer instruction, a conference television terminal identifier to be transferred, atomic picture position information, and new sub-picture position information, and send the handover control message to the MCU or the video conference terminal.
  • FIG. 1 is a block diagram showing a method for multi-screen switching of conference television according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing a system structure for multi-screen switching of conference television according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of sliding a multi-screen number on a touch screen by a finger or a stylus pen according to an embodiment of the present invention
  • FIG. The finger or the stylus directly touches the multi-screen number button area on the touch screen to directly switch the multi-screen number diagram
  • FIG. 6 is a schematic diagram of a state after a conference is switched to a 16-screen according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of a sub-screen for selecting a terminal to join a multi-screen from a terminal list according to an embodiment of the present invention
  • FIG. 9 is a schematic diagram of adding a sub-picture of a multi-picture to another sub-picture according to an embodiment of the present invention
  • FIG. 10 is a schematic diagram of an embodiment of the present invention.
  • a schematic diagram of the candidate terminal is displayed by sliding on the touch screen with a finger or a stylus.
  • Embodiments of the present invention are capable of controlling a multi-picture number, a multi-picture layout, and selecting a conference terminal in a multi-picture.
  • the multi-picture switching device includes but is not limited to a handheld multi-touch display device or a remote controller, and the multi-picture switching device transmits the switching control information to the MCU through a wireless communication method such as wifi and/or Bluetooth or a wired connection manner.
  • the receiver of the conference television terminal controls multi-screen switching.
  • the method includes, but is not limited to, scrolling by a scroll wheel with a scroll wheel on a multi-touch display device or sliding the top, bottom, left, and right of the touch screen by hand or a stylus to control the number of multi-screens of the selected conference and the multi-screen layout or specifying a certain multi-screen. At the same time, you can directly switch to the corresponding multi-screen by directly clicking the corresponding number of screens with your hand or stylus.
  • the method further comprises displaying a multi-screen various layout on the display, and controlling the MCU or the conference television terminal to control the switching of the multi-picture by the button information sent by the remote controller.
  • FIG. 1 is a schematic block diagram of a method for multi-screen switching of a conference television according to an embodiment of the present invention.
  • the steps include: Step 101: A multi-screen switching apparatus generates, according to a user input, a multi-screen number or multiple controls. The switching control message of the screen layout is sent to the multipoint control unit MCU or the conference television terminal.
  • the multi-screen switching apparatus generates a switching control message including the multi-screen allocation list information by using the multi-screen allocation unit, and generates a switching control message including the multi-screen layout list information by using the multi-screen layout unit.
  • Step 102 When the handover control message is sent to the MCU, the MCU switches the multi-screen number or multi-screen layout of all the conference television terminals according to the handover control message.
  • Step 103 When the handover control message is sent to the conference television terminal, the conference television terminal switches its own multi-screen number or multi-screen layout according to the handover control message.
  • the multi-screen switching device receives the user input for adding/deleting the sub-picture of the conference television terminal, using the multi-screen assignment unit to generate the information including the add/delete command, the information of the conference television terminal to be added/deleted, A handover control message of the sub-picture location information of the conference television terminal to be added/deleted, and the handover control message is sent to the MCU or the video conference terminal.
  • the MCU adds/deletes the sub-picture of the to-be-added/deleted conference television terminal on the designated sub-picture position in the multi-screen of all the conference television terminals according to the handover control message;
  • the conference television terminal adds a sub-screen to which the conference television terminal to be added/deleted is added to the designated sub-screen position in the multi-screen according to the handover control message.
  • the multi-screen switching device receives a user input for transferring a sub-picture of the conference television terminal in the multi-screen, using the multi-screen transfer unit to generate a transfer instruction, a television terminal identifier to be transferred, an atomic screen position information, and a new The switching control message of the sub-picture position information is sent to the MCU or the video conference terminal.
  • the MCU transfers the sub-picture of the conference television terminal to be transferred in the multi-view of all the conference television terminals from the atomic picture position to the new sub-picture position according to the handover control message; when the handover control message is received
  • the conference television terminal shifts the sub-picture of the conference television terminal to be transferred in its multi-screen from the atomic screen position to the new sub-picture position according to the handover control message.
  • multi-screen switching must pass through a conventional web console.
  • the embodiment of the present invention invents a multi-screen switching.
  • the method and device can control multi-picture number and multi-picture layout and select a sub-picture terminal image in a multi-screen by scrolling of a scroll wheel or by finger and stylus trajectory tracking on a touch screen on a multi-touch display device; or
  • the key message of the remote controller is sent to the receiving module of the MCU or the conference television terminal to control the multi-picture displayed on the display in real time.
  • 2 is a system block diagram of a multi-screen switching of a conference television according to an embodiment of the present invention. As shown in FIG.
  • the system includes but is not limited to a multi-picture switching device, an MCU, and a plurality of conference television terminals.
  • a multi-screen switching device configured to generate a switching control message for controlling a multi-screen number or a multi-screen layout according to a user input, and send to a multi-point control unit MCU or a conference television terminal;
  • the MCU is set to receive a handover control message And switching the multi-screen number or multi-screen layout of all the conference television terminals according to the handover control message;
  • the conference television terminal is configured to switch its own multi-screen number or multi-screen layout according to the handover control message when receiving the handover control message.
  • the multi-screen switching device includes: a multi-screen allocating unit configured to generate a switching control message including multi-screen allocation list information; a multi-screen layout unit configured to generate a switching control message including multi-screen layout list information; multi-screen assignment a unit, configured to generate a handover control message including an add/delete instruction, a to-be-added/deleted conference television terminal identification information, a sub-picture location information to be added/removed to the conference television terminal, and send the handover control message to the MCU or the video conference terminal .
  • the multi-picture transfer unit is configured to generate a handover control message including a transfer instruction, a conference television terminal identifier to be transferred, atomic picture position information, and new sub-picture position information, and send the handover control message to the MCU or the video conference terminal.
  • the multi-picture switching device transmits the switching control information to the receiver of the MCU or the conference television terminal through a wireless communication method such as wifi and/or Bluetooth or a wired connection method.
  • the multi-picture switching device generates a switching control message of the corresponding function by using the multi-picture allocating unit, the multi-picture layout unit, the multi-picture assigning unit or the multi-picture transferring unit according to the user input, and sends the switching control message to the MCU or the conference television. terminal.
  • the multi-picture switching device may be a multi-touch display device or a remote controller.
  • the multi-touch display device has several distinct features:
  • the multi-screen switching control message after the user selection can be generated, and sent to the MCU or the conference television terminal through wireless methods such as wifi and Bluetooth.
  • the following takes a multi-touch display device as an example, and an embodiment of the present invention is described in detail with reference to FIGS. 3 to 10.
  • the present embodiment uses a stylus or a hand to control the multi-screen number, multi-screen layout, or participation of a conference by scrolling up and down or left on the multi-touch display device by scrolling on the device. terminal.
  • the multi-touch display device sends the final selection result of the user to the MCU or the video conference terminal through wireless communication mode of wifi and/or Bluetooth, and the MCU or the video conference terminal receives the information sent by the multi-touch display device, and then changes the conference. Multiple screen counts, multiple screen layouts, or participating terminals. If it is sent to the MCU, the multi-screen number, multi-screen layout, or the participating terminal of all the conference television terminals of the conference is changed. If it is sent to the conference television terminal, the conference television terminal interacts with the MCU at this time, and only changes the conference. The multi-screen number, multi-screen layout, or conference terminal displayed by the conference television terminal, and the multi-screen display of other conference television terminals of the conference remain unchanged.
  • the user selects the conference to be controlled on the multi-touch display device by means of a finger or a stylus, as shown in FIG.
  • Step 1 and step 2 are shown.
  • the multi-screen of the corresponding conference can be controlled, and the finger or the stylus is swiped on the touch screen of the multi-touch display device, for example, sliding upward, as shown in step 3a of FIG. 3, the multi-screen layout selection
  • the multi-screen layout selection For the next layout, when sliding down, the multi-screen layout is selected as the previous layout, and the switching of FIGS. 3 to 4 is the result of sliding up on the multi-touch display device with a finger or a stylus. If you slide to the right, the number of multiscreens decreases, and if you slide to the left, the number of multiscreens increases.
  • Figures 4 through 5 show the results of sliding to the left on a multi-touch display device with a finger or stylus.
  • the effect of the finger or the stylus can also be achieved by scrolling the scroll wheel on the device.
  • the corresponding multi-screen number button can be directly clicked on the multi-touch display device by a finger or a stylus, and the desired multi-screen number can be directly switched.
  • FIGS. 5 to 6 is the result of clicking with a finger or a stylus on the 16-screen touch area of the multi-touch display device.
  • the embodiment provides ten conference television terminals.
  • the finger or the stylus is used on the multi-touch display device from the touch area of the conference television terminal.
  • the sub-picture position touch area slides, so that the screen of the conference television terminal is displayed on the sub-picture position.
  • a schematic diagram of the sub-picture added to the multi-screen by the conference television terminal 8 is selected from the conference television terminal list.
  • the finger or the stylus is used on the multi-touch display device from the conference television terminal sub-screen position touch area to the multi-screen position touch area. It is sufficient to slide, as shown in FIG.
  • FIG. 10 is a schematic diagram showing a ten conference television terminals to be selected by sliding on a touch screen by a finger or a stylus.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

本发明公开了一种会议电视多画面切换的方法及系统，涉及视频图像多画面的控制，所述方法包括：多画面切换装置根据用户输入，生成用于控制多画面数或多画面布局的切换控制消息，并发送至多点控制单元MCU或会议电视终端；当所述切换控制消息发送至MCU时，MCU根据所述切换控制消息，切换全部会议电视终端的多画面数或多画面布局；当所述切换控制消息发送至会议电视终端时，会议电视终端根据所述切换控制消息，切换其自身的多画面数或多画面布局。本发明增加了多画面控制的多样性，提高了多画面控制的便捷性。

Description

一种会议电视多画面切换的方法及系统 技术领域 本发明涉及视频图像多画面的控制技术， 特别涉及视频监控以及会议电视的多画 面切换的方法及其相关系统。 背景技术 目前， 会议电视的多画面数切换和多画面布局以及子画面的指定一般都在计算机 (PC) 的 web界面中进行操作， 必须借助于 PC控制台， 把用户的多画面选择信息通 过 web下发给多点控制单元（Multi Control Unit ， 简称为 MCU)， 以此来控制多画面 的切换， 此种多画面控制方法单一， 不灵活。 发明内容 本发明实施例的目的在于提供一种会议电视多画面切换的方法及系统， 能更好地 解决多画面切换控制不灵活的问题。 根据本发明实施例的一个方面， 提供了一种会议电视多画面切换的方法， 包括： 多画面切换装置根据用户输入， 生成用于控制多画面数或多画面布局的切换控制 消息， 并发送至多点控制单元 MCU或会议电视终端； 当所述切换控制消息发送至 MCU时， MCU根据所述切换控制消息， 切换全部会 议电视终端的多画面数或多画面布局； 当所述切换控制消息发送至会议电视终端时， 会议电视终端根据所述切换控制消 息， 切换其自身的多画面数或多画面布局。 优选地， 所述多画面切换装置利用其多画面分配单元， 生成包含多画面分配列表 信息的切换控制消息。 优选地， 所述多画面切换装置利用其多画面布局单元， 生成包含多画面布局列表 信息的切换控制消息。 优选地， 还包括: 若所述多画面切换装置收到用于添加 /删除会议电视终端子画面的用户输入， 则利 用其多画面指派单元， 生成包含添加 /删除指令、 待添加 /删除会议电视终端标识信息、 待添加 /删除会议电视终端的子画面位置信息的切换控制消息， 并将所述切换控制消息 发送至 MCU或电视会议终端。 优选地， 还包括： 当所述切换控制消息发送至 MCU时， MCU根据所述切换控制消息,在全部会议电 视终端多画面中的指定子画面位置上添加 /删除所述待添加 /删除会议电视终端的子画 面； 当所述切换控制消息发送至会议电视终端时， 会议电视终端根据所述切换控制消 息,在其多画面中的指定子画面位置上添加 /删除所述待添加 /删除会议电视终端的子画 面。 优选地， 还包括： 若所述多画面切换装置收到用于在多画面中转移会议电视终端子画面的用户输 入， 则利用其多画面转移单元， 生成包含转移指令、 待转移会议电视终端标识、 原子 画面位置信息、 新子画面位置信息的切换控制消息， 并将所述切换控制消息发送至 MCU或电视会议终端。 优选地， 还包括： 当所述切换控制消息发送至 MCU时， MCU根据所述切换控制消息,在全部会议电 视终端多画面中的待转移会议电视终端的子画面从原子画面位置转移至新子画面位 置； 当所述切换控制消息发送至会议电视终端时， 会议电视终端根据所述切换控制消 息,在其多画面中的待转移会议电视终端的子画面从原子画面位置转移至新子画面位 置。 优选地， 所述多画面切换装置是多点触摸显示设备和 /或遥控器， 其通过包括 wifi 和 /或蓝牙的无线通信方式， 将所述切换控制消息发送至 MCU或电视会议终端。 根据本发明实施例的另一方面， 提供了一种会议电视多画面切换的系统， 包括： 多画面切换装置， 设置为根据用户输入， 生成用于控制多画面数或多画面布局的 切换控制消息， 并发送至多点控制单元 MCU或会议电视终端； MCU， 设置为在收到所述切换控制消息时， 根据所述切换控制消息， 切换全部会 议电视终端的多画面数或多画面布局； 会议电视终端， 设置为在收到所述切换控制消息时， 根据所述切换控制消息， 切 换其自身的多画面数或多画面布局。 优选地， 所述多画面切换装置包括： 多画面分配单元， 设置为生成包含多画面分配列表信息的切换控制消息； 多画面布局单元， 设置为生成包含多画面布局列表信息的切换控制消息； 多画面指派单元，设置为生成包含添加 /删除指令、待添加 /删除会议电视终端标识 信息、 待添加 /删除会议电视终端的子画面位置信息的切换控制消息， 并将所述切换控 制消息发送至 MCU或电视会议终端。 多画面转移单元， 设置为生成包含转移指令、 待转移会议电视终端标识、 原子画 面位置信息、新子画面位置信息的切换控制消息，并将所述切换控制消息发送至 MCU 或电视会议终端。 与现有技术相比较， 本发明实施例的有益效果在于： 1、 本发明实施例增加了多画面控制的多样性， 提高了多画面控制的便捷性；
2、本发明实施例能够快速响应用户输入操作， 实现视频多画面的切换， 提高了用 户的操作体验。 附图说明 图 1是本发明实施例提供的一种会议电视多画面切换的方法原理框图； 图 2是本发明实施例提供的一种会议电视多画面切换的系统结构框图； 图 3是本发明实施例提供的手指或手写笔触摸点击会议选择和滑动示意图； 图 4是本发明实施例提供的通过手指或手写笔在触摸屏上滑动切换多画面数示意 图； 图 5是本发明实施例提供的通过手指或手写笔在触摸屏上直接触摸多画面数按钮 区域直接切换多画面数示意图； 图 6是本发明实施例提供的会议切换到 16画面后的一种状态示意图； 图 7 是本发明实施例提供的从终端列表中选择终端加入到多画面的子画面示意 图； 图 8是本发明实施例提供的去除多画面的子画面对应终端图像示意图； 图 9 是本发明实施例提供的从多画面的一个子画面添加到另一个子画面的示意 图； 以及 图 10 是本发明实施例提供的通过手指或手写笔在触摸屏上滑动展示待选终端示 意图。 具体实施方式 以下结合附图对本发明的优选实施例进行详细说明， 应当理解， 以下所说明的优 选实施例仅用于说明和解释本发明， 并不用于限定本发明。 本发明实施例能够控制多画面数、 多画面布局以及选择多画面中与会终端。 在会 议电视系统中， 多画面切换装置包括但不限于手持的多点触摸显示设备或者遥控器， 多画面切换装置通过 wifi和 /或蓝牙等无线通信方式或有线连接方式发送切换控制信 息给 MCU或者会议电视终端的接收器， 控制多画面切换。 该方法包括但不限于在多 点触摸显示设备上用滚轮通过滚轮的滚动或者用手或者手写笔在触摸屏上下左右的滑 动来控制已选择会议的多画面数以及多画面布局或指定多画面中某个子画面， 同时也 可以直接用手或者手写笔点击相应的画面数直接切换到对应的多画面。 该方法还包括 在显示器上显示多画面各种布局， 通过遥控器发送的按键信息控制 MCU或者会议电 视终端来控制多画面的切换。 图 1是本发明实施例提供的一种会议电视多画面切换的方法原理框图， 如图 1所 示， 步骤包括： 步骤 101、 多画面切换装置根据用户输入， 生成用于控制多画面数或多画面布局 的切换控制消息， 并发送至多点控制单元 MCU或会议电视终端。 在步骤 101中， 多画面切换装置利用其多画面分配单元， 生成包含多画面分配列 表信息的切换控制消息， 利用其多画面布局单元， 生成包含多画面布局列表信息的切 换控制消息。 步骤 102、 当切换控制消息发送至 MCU时， MCU根据该切换控制消息， 切换全 部会议电视终端的多画面数或多画面布局。 步骤 103、 当切换控制消息发送至会议电视终端时， 会议电视终端根据该切换控 制消息， 切换其自身的多画面数或多画面布局。 优选的， 若该多画面切换装置收到用于添加 /删除会议电视终端子画面的用户输 入， 则利用其多画面指派单元， 生成包含添加 /删除指令、待添加 /删除会议电视终端标 识信息、 待添加 /删除会议电视终端的子画面位置信息的切换控制消息， 并将该切换控 制消息发送至 MCU或电视会议终端。 当该切换控制消息发送至 MCU时， MCU根据 该切换控制消息,在全部会议电视终端多画面中的指定子画面位置上添加 /删除该待添 加 /删除会议电视终端的子画面； 当该切换控制消息发送至会议电视终端时， 会议电视 终端根据该切换控制消息,在其多画面中的指定子画面位置上添加 隱该待添加 /删除 会议电视终端的子画面。 若该多画面切换装置收到用于在多画面中转移会议电视终端 子画面的用户输入， 则利用其多画面转移单元， 生成包含转移指令、 待转移会议电视 终端标识、 原子画面位置信息、 新子画面位置信息的切换控制消息， 并将该切换控制 消息发送至 MCU或电视会议终端。 当该切换控制消息发送至 MCU时， MCU根据该 切换控制消息,在全部会议电视终端多画面中的待转移会议电视终端的子画面从原子 画面位置转移至新子画面位置； 当该切换控制消息发送至会议电视终端时， 会议电视 终端根据该切换控制消息,在其多画面中的待转移会议电视终端的子画面从原子画面 位置转移至新子画面位置。 目前， 不管是 MCU还是会议电视终端， 多画面的切换必须都通过传统的 web控 制台， 但本发明实施例为了改善用户体验， 以及用户使用多画面的便捷性， 发明了一 种多画面切换的方法和装置， 可在多点触摸显示设备上， 通过滚轮的滚动或者在触摸 屏上通过手指和手写笔轨迹跟踪来控制多画面数和多画面布局以及选择多画面中某个 子画面终端图像； 或者通过遥控器的键控消息， 发送给 MCU或者会议电视终端的接 收模块， 来实时控制展现在显示屏上的多画面。 图 2是本发明实施例提供的一种会议电视多画面切换的系统结构框图， 如图 2所 示， 该系统包括但不局限于多画面切换装置、 MCU、 多个会议电视终端。 多画面切换装置， 设置为根据用户输入， 生成用于控制多画面数或多画面布局的 切换控制消息， 并发送至多点控制单元 MCU或会议电视终端； MCU, 设置为在收到切换控制消息时， 根据该切换控制消息， 切换全部会议电视 终端的多画面数或多画面布局； 会议电视终端， 设置为在收到切换控制消息时， 根据该切换控制消息， 切换其自 身的多画面数或多画面布局。 其中， 该多画面切换装置包括： 多画面分配单元， 设置为生成包含多画面分配列表信息的切换控制消息； 多画面布局单元， 设置为生成包含多画面布局列表信息的切换控制消息； 多画面指派单元，设置为生成包含添加 /删除指令、待添加 /删除会议电视终端标识 信息、 待添加 /删除会议电视终端的子画面位置信息的切换控制消息， 并将切换控制消 息发送至 MCU或电视会议终端。 多画面转移单元， 设置为生成包含转移指令、 待转移会议电视终端标识、 原子画 面位置信息、 新子画面位置信息的切换控制消息， 并将该切换控制消息发送至 MCU 或电视会议终端。 多画面切换装置通过 wifi和 /或蓝牙等无线通信方式或有线连接方式发送切换控 制信息给 MCU或者会议电视终端的接收器。 多画面切换装置根据用户输入， 利用其多画面分配单元、 多画面布局单元、 多画 面指派单元或多画面转移单元， 生成相应功能的切换控制消息， 并将该切换控制消息 发送至 MCU或会议电视终端。当 MCU收到该切换控制消息时，根据该切换控制消息 的内容， 控制会议的全部会议电视终端 （n个） 切换多画面。 当某个会议电视终端收 到该切换控制消息时， 通过与 MCU交互， 按照该切换控制消息的内容， 控制其自身 显示的多画面。 多画面切换装置可以是多点触摸显示设备， 也可以是遥控器。 其中该多点触摸显 示设备具备几个明显的特征：
1、 提供多点触摸功能；
2、 能显示多画面数和多画面布局等功能；
3、 能产生用户选择后的多画面的切换控制消息， 并通过 wifi、 蓝牙等无线方式发 送给 MCU或者会议电视终端。 以下以多点触摸显示设备为例， 通过图 3至图 10对本发明实施例进行详细说明。 针对目前多画面控制的局限性， 本实施例采用手写笔或手在多点触摸显示设备上 通过上下左右的滑动或者滚轮在装置上的滚动来控制会议的多画面数、 多画面布局、 或与会终端。多点触摸显示设备把用户最终的选择结果通过 wifi和 /或蓝牙的无线通信 方式发送给 MCU或者电视会议终端， MCU或者电视会议终端接收到该多点触摸显示 设备发送过来的信息后， 改变会议的多画面数、 多画面布局、 或与会终端。 如果是发 送给 MCU， 则改变会议所有会议电视终端的多画面数、 多画面布局、 或与会终端， 如 果是发送给会议电视终端， 此时该会议电视终端通过与 MCU交互， 只改变会议中此 会议电视终端显示的多画面数、 多画面布局、 或与会终端， 会议的其他会议电视终端 的多画面显示不变。 用户通过手指或手写笔在多点触摸显示设备上选择想要控制的会议， 如图 3中第
1步和第 2步所示。 选定会议后， 可以对相应会议的多画面进行控制， 在多点触摸显 示设备的触摸屏上通过手指或手写笔的滑动， 比如向上滑动， 如图 3中第 3a步所示， 多画面布局选择为下一种布局， 向下滑动时， 多画面布局选择为上一种布局， 图 3到 图 4的切换为用手指或者手写笔在多点触摸显示设备上向上滑动的结果。 如果向右滑 动， 则多画面数减少， 向左滑动， 则多画面数增加， 图 4到图 5为用手指或手写笔在 多点触摸显示设备上向左滑动的结果。 进一步地， 也可以通过装置上滚轮的滚动起到 手指或者手写笔的效果。 在多画面数的切换中， 通过手指或者手写笔在多点触摸显示设备上点击相应的多 画面数小按钮， 可直接切换到想要的多画面数。 如图 5所示， 若需要从 8画面切换到 16画面， 则直接点击 16画面触摸区域就可以直接切换到 16画面。 图 5到图 6的切换 为用手指或者手写笔在多点触摸显示设备的 16画面触摸区域点击的结果。 本实施例提供有十个会议电视终端， 当需要将某个会议电视终端添加到多画面中 某个子画面位置时， 使用手指或者手写笔在多点触摸显示设备上从该会议电视终端触 摸区域向该子画面位置触摸区域滑动， 使该会议电视终端的画面显示在该子画面位置 上， 如图 7所示， 从会议电视终端列表中选择会议电视终端 8加入到多画面的子画面 示意图。 同样的， 当需要将某个会议电视终端的画面从多画面中删除时， 使用手指或者手 写笔在多点触摸显示设备上从该会议电视终端子画面位置触摸区域向多画面位置触摸 区域之外滑动即可， 如图 7所示， 去除多画面的子画面对应的会议电视终端 8的示意 图。 当从多画面的一个子画面添加到另一个子画面时， 使用手指或者手写笔在多点触 摸显示设备上从该会议电视终端的当前子画面位置触摸区域向新的子画面位置触摸区 滑动即可， 如图 9所示。 图 10是通过手指或手写笔在触摸屏上滑动展示待选的十个会 议电视终端的示意图。 尽管上文对本发明进行了详细说明， 但是本发明不限于此， 本技术领域技术人员 可以根据本发明的原理进行各种修改。 因此， 凡按照本发明原理所作的修改， 都应当 理解为落入本发明的保护范围。 工业实用性 本发明实施例可以应用于多媒体技术领域， 解决了多画面的切换方法单一、 不灵 活， 实现了多画面控制的多样性， 提高了多画面控制的便捷性， 能够快速响应用户输 入操作， 提高了用户的操作体验。

Claims

权 利 要 求 书 、 一种会议电视多画面切换的方法， 包括：
多画面切换装置根据用户输入， 生成用于控制多画面数或多画面布局的切 换控制消息， 并发送至多点控制单元 MCU或会议电视终端；
当所述切换控制消息发送至所述 MCU时， 所述 MCU根据所述切换控制 消息， 切换全部会议电视终端的多画面数或多画面布局； 和 /或， 当所述切换控 制消息发送至所述会议电视终端时，所述会议电视终端根据所述切换控制消息， 切换其自身的多画面数或多画面布局。 、 根据权利要求 1所述的方法， 其中， 所述多画面切换装置利用其多画面分配单 元， 生成包含多画面分配列表信息的切换控制消息。 、 根据权利要求 1所述的方法， 其中， 所述多画面切换装置利用其多画面布局单 元， 生成包含多画面布局列表信息的切换控制消息。 、 根据权利要求 1所述的方法， 其中， 还包括：
若所述多画面切换装置收到用于添加 /删除会议电视终端子画面的用户输 入， 则利用其多画面指派单元， 生成包含添加 /删除指令、 待添加 /删除会议电 视终端标识信息、 待添加 /删除会议电视终端的子画面位置信息的切换控制消 息， 并将所述切换控制消息发送至所述 MCU或所述电视会议终端。 、 根据权利要求 4所述的方法， 其中， 还包括：
当所述切换控制消息发送至所述 MCU时， 所述 MCU根据所述切换控制 消息,在全部会议电视终端多画面中的指定子画面位置上添加 /删除所述待添加 / 删除会议电视终端的子画面； 和 /或，
当所述切换控制消息发送至所述会议电视终端时， 所述会议电视终端根据 所述切换控制消息,在其多画面中的指定子画面位置上添加 /删除所述待添加 /删 除会议电视终端的子画面。 、 根据权利要求 1所述的方法， 其中， 还包括：
若所述多画面切换装置收到用于在多画面中转移会议电视终端子画面的用 户输入， 则利用其多画面转移单元， 生成包含转移指令、 待转移会议电视终端 标识、 原子画面位置信息、 新子画面位置信息的切换控制消息， 并将所述切换 控制消息发送至所述 MCU或所述电视会议终端。 、 根据权利要求 6所述的方法， 其中， 还包括：
当所述切换控制消息发送至所述 MCU时， 所述 MCU根据所述切换控制 消息,在全部会议电视终端多画面中的待转移会议电视终端的子画面从原子画 面位置转移至新子画面位置； 和 /或，
当所述切换控制消息发送至所述会议电视终端时， 所述会议电视终端根据 所述切换控制消息,在其多画面中的待转移会议电视终端的子画面从原子画面 位置转移至新子画面位置。 、 根据权利要求 1至 7任意一项所述的方法， 其中， 所述多画面切换装置是多点 触摸显示设备和 /或遥控器， 其通过包括 wifi和 /或蓝牙的无线通信方式， 将所 述切换控制消息发送至所述 MCU或所述电视会议终端。 、 一种会议电视多画面切换的系统， 包括：
多画面切换装置， 设置为根据用户输入， 生成用于控制多画面数或多画面 布局的切换控制消息， 并发送至多点控制单元 MCU或会议电视终端；
所述 MCU， 设置为在收到所述切换控制消息时， 根据所述切换控制消息， 切换全部会议电视终端的多画面数或多画面布局； 和 /或， 所述会议电视终端， 设置为在收到所述切换控制消息时， 根据所述切换控制消息， 切换其自身的多 画面数或多画面布局。 0、 根据权利要求 9所述的系统， 其中， 所述多画面切换装置包括：
多画面分配单元， 设置为生成包含多画面分配列表信息的切换控制消息； 多画面布局单元， 设置为生成包含多画面布局列表信息的切换控制消息； 多画面指派单元， 设置为生成包含添加 /删除指令、 待添加 /删除会议电视 终端标识信息、 待添加 /删除会议电视终端的子画面位置信息的切换控制消息， 并将所述切换控制消息发送至所述 MCU或所述电视会议终端；
多画面转移单元， 设置为生成包含转移指令、 待转移会议电视终端标识、 原子画面位置信息、 新子画面位置信息的切换控制消息， 并将所述切换控制消 息发送至所述 MCU或所述电视会议终端。
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