CN107809609B - Video monitoring conference system based on touch equipment - Google Patents
Video monitoring conference system based on touch equipment Download PDFInfo
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- CN107809609B CN107809609B CN201711134422.8A CN201711134422A CN107809609B CN 107809609 B CN107809609 B CN 107809609B CN 201711134422 A CN201711134422 A CN 201711134422A CN 107809609 B CN107809609 B CN 107809609B
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- 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
- H04N7/155—Conference systems involving storage of or access to video conference sessions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
A video monitoring conference system based on touch equipment is a video server which is connected with a plurality of video terminals to transmit audio and video data and control instructions; the video monitoring system comprises at least one touch device for generating a control instruction according to the touch data to control the video monitoring conference, a plurality of video terminals, a video wall server for displaying video picture combinations in a specified mode, and at least one video wall for displaying the video picture combinations. According to the invention, the control instruction is generated by adopting the touch equipment to control the video monitoring conference, so that the operation is simple and convenient, and the mobility is strong; the video conference function is strong; the video conference case handling system can be used for case handling command centers such as public inspection methods and the like, and provides a video conference case handling function for commanders.
Description
Technical Field
The invention relates to the field of video conferences, in particular to a video monitoring conference system for monitoring video terminals located at different positions and combining videos based on a touch screen terminal.
Background
The video monitoring and conference system can be used for video monitoring, conference and video conference in multiple places, but the conventional video monitoring and conference is mostly operated by adopting a professional server or a client of a common PC (personal computer), the mode is not convenient enough, rapid and simple command operation cannot be realized, professional operators are required, and the system cannot be rapidly started when emergency time occurs. Particularly for the public inspection system, if the time for opening the conference needs to be shortened in case of emergency, more professional servers or PCs with clients and more professional operators need to be set up, which increases the construction procurement budget and labor investment of the command center.
For example, the interrogation work of a scouting house is an indispensable important link in case investigation, how to tightly combine on-site auditors and commanders by using modern investigation means and the current scientific technology, realize the conversion from dispersion to concentration, case to system and single to common through internal and external interaction, up and down writing and integral linkage, coordinate and utilize resources in various aspects, and collect the intelligence of each inspection commander, thereby realizing the rapid case investigation, and better, faster and more accurate crime fighting is the urgent need to be solved by the inspection authorities, so that the remote command is very important when in interrogation and case handling.
In the prior art, when remote command is carried out, a commander often cannot directly operate according to own needs, technical personnel are required to cooperate, the commander calls a video decoder to go to a television wall or operates video conference software to carry out network group meeting in a system according to the requirements of the commander, the technical personnel cannot be guaranteed to arrive at the site in time under emergency, and meanwhile, the operation of calling the video decoder to go to the wall and the network group meeting in the original system are complex, so that the commander cannot easily master the video decoder quickly.
The command work who plays vital role in the current interrogation work faces the trend that promotes the transformation, and along with the deepening of science and technology strong inspection drops into and the continuous progress of modernized science and technology, the inspection organ has also all had higher requirement to the convenience, the real-time and the advance of command work.
Therefore, how to establish a set of brand-new video monitoring conference system and adopt a brand-new command control mode, so that commanders of public inspection legal authorities can conveniently and quickly perform on-site audio and video calling and displaying in an interrogation room and quickly perform on-site network group of a plurality of command rooms, and the technical problem which needs to be solved urgently in the prior art is formed.
Disclosure of Invention
In view of this, the present invention is directed to a video monitoring conference system based on a touch screen, which is based on the function of a video on the wall realized by a touch technology, and is convenient for a user to monitor and acquire remote video information.
A video surveillance conferencing system based on a touch device, comprising:
the video server is used for connecting a plurality of video terminals and other equipment and transmitting audio and video data and control instructions;
the touch equipment is used for generating a control instruction according to the touch data, and the control instruction is used for controlling the video monitoring conference;
the system comprises a plurality of video terminals, a plurality of video processing terminals and a plurality of display terminals, wherein the video terminals are used for collecting audio and video data for displaying;
the television wall server is used for acquiring audio and video data according to the control instruction and displaying a video picture combination in a specified mode;
the television wall comprises one or more display units and is used for displaying according to the video picture combination transmitted by the television wall server.
Optionally, the video terminal includes a video conference terminal capable of performing bidirectional video communication, a high-definition monitoring terminal capable of performing unidirectional video monitoring, and/or a mobile terminal capable of performing video communication.
Optionally, the video terminal includes a camera, and the camera can control the angle, position, and zoom of the camera based on mechanical control or digital control.
Optionally, the touch device may generate a control instruction to control a video source and a picture combination format displayed by the television wall, and the method specifically includes the following steps:
step 1: the touch equipment selects a video source to be displayed and sends a video on-wall instruction;
step 2: the video server receives the video on-wall instruction and forwards the video on-wall instruction to the television wall server;
and step 3: the television wall server displays video pictures at a specified position according to the video on-wall instruction and the selected picture combination form, and displays the selected video pictures on a television wall in real time;
and 4, step 4: and (3) repeatedly executing the step 3 to connect a plurality of video terminals, performing network group meeting and performing video conference.
Optionally, the touch device may generate a control instruction to control an angle, a position, and a zoom of a camera of the video terminal, and specifically includes the following steps:
step 1: the touch equipment selects a video terminal, sends a camera control instruction and performs camera control;
step 2: the video server receives the camera control instruction and forwards the camera control instruction to the video terminal;
and step 3: and the video terminal controls the angle, the position and the zooming of the camera according to the camera control instruction.
Optionally, the touch device is provided with video control software, and the touch terminal generates a control instruction through touch selection based on the video control software.
Optionally, the video wall server can select a video source and set a video picture combination mode according to the control instruction.
Optionally, the video monitoring conference system further includes a recording and broadcasting server, and the recording and broadcasting server can record the audio and video images of the video wall server synchronously.
Optionally, the video monitoring conference system further includes another video source, where the another video source includes one or more of a group of a video cassette recorder, a digital versatile disk player, a programmable controller of a video source, and an extended graphics array splitter, and the another video source may provide audio and video data for a video wall server.
Optionally, the touch device is a smart phone, a tablet computer, or an IPAD.
The video monitoring conference system based on the touch equipment has the following advantages that:
1. the control instruction is generated by adopting the touch equipment to control the video monitoring conference, so that the operation is simple and convenient, and the mobility is strong;
2. the audio and video calling, decoding, on-wall and network group meeting functions are realized, the control of the tripod head direction and the lens can be carried out on corresponding equipment after the video is called, the audio size is adjusted, the called video is manually recorded and stored locally, and the function is strong;
3. the device can be used for case handling command centers such as public inspection methods and the like, provides a mobile control terminal for commanders, and provides a video conference case handling function for the commanders.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a block diagram of a touch device based video surveillance conferencing system in accordance with a specific embodiment of the present invention;
FIG. 2 is a flow chart of video display control for a video wall based on a touch device according to an embodiment of the present invention;
FIG. 3 is a flowchart of camera display control based on a touch device, according to an embodiment of the present invention;
FIG. 4 is a control interface diagram of a touch device in accordance with a specific embodiment of the present invention;
FIG. 5 is another control interface diagram of a touch device in accordance with a specific embodiment of the present invention.
1. A video server; 2. a touch device; 3. a video terminal; 4. a video wall server; 5. a video wall; 6. a recording and broadcasting server; 7. other sources of video data.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples.
The invention uses video splicing equipment to set up a television wall, displays one video or a combination of a plurality of videos on the television wall, controls the video on the wall by using touch equipment such as PAD and the like, and monitors, previews and combines the videos with the network. Therefore, the participators, such as commanders, can make video retrieval and video picture group meeting at any time and can meet and discuss people in multiple places in time, thereby realizing the multi-party consultation of important events, such as major cases, improving the event processing speed and accelerating the case detection.
In the present invention, the audio-video data represents audio and video data, including at least video data.
Referring to fig. 1, a block diagram of a touch device based video surveillance conference system according to a specific embodiment of the present invention is shown, the video surveillance conference system including:
the video server 1 is used for connecting a plurality of video terminals and other equipment and transmitting audio and video data and control instructions; illustratively, the video server can receive audio and video data of all video terminals, select a video picture to be displayed according to a control instruction, and send the control instruction to each video terminal, and the video server is equivalent to a central server of a video monitoring conference system.
The touch equipment 2 is used for generating a control instruction according to the touch data, and the control instruction is used for controlling the video monitoring conference;
the control video monitoring conference includes, but is not limited to, holding the video monitoring conference, ending the video monitoring conference, adjusting the shape of the picture of the television wall, forming the video source, the position of each sub-picture, the main picture, the switching, tilting or focusing of the video camera, and the like.
A plurality of video terminals 3 for collecting audio and video data for display;
the television wall server 4 is used for acquiring audio and video data according to the control instruction and displaying a video picture combination according to a specified mode;
and the television wall 5 comprises one or more display units and is used for displaying according to the video picture combination transmitted by the television wall server.
Therefore, the invention adopts the touch equipment to send out a control instruction to control each composition sub-picture of the video picture displayed on the television wall and the composition mode to select the audio to be listened, the touch equipment can communicate in a wireless mode, and the control of the monitoring picture is realized through the APP arranged on the touch equipment.
The television wall can be formed by adopting a multi-screen splicing technology.
And (3) multi-screen splicing: a technique for simulating multiple physical displays in some combination as a "large display" with higher resolution. The simulated large display screen shows the behavior of a single display screen, if a picture is tiled on the large display screen, the content of the picture can be automatically separated into different parts to be displayed on the corresponding physical display screens, so that only one part of the picture is displayed on each physical display screen, but the displayed content of the screen completely shows the full picture.
Splicing the screen: a plurality of physical screens are simulated to form a large display screen through a multi-screen splicing technology. According to actual needs, the spliced screen can be combined in various ways, for example, 4 physical screens can be combined into 2x2,1x4 and 4x 1. In extreme conditions, only one physical screen is contained in one spliced screen.
The window opening roaming can be realized in a television wall picture, and a window refers to a display area (usually a rectangle) on a screen and is used for displaying specified video content. A new video display area, called windowing, is added to the screen. The windows may overlap each other, the windows may be prioritized, and video images of windows with higher priority will obscure video content in overlapping portions of windows with lower priority. After the window is opened, the position can be dragged and dropped at will, the size can be adjusted at will, and the two actions can cause the area of the window to migrate in the physical screen forming the spliced screen, so that the window has the roaming function.
In the invention, the pictures of each video terminal can be firstly transmitted to the video server, the video server generates the original video picture combination of the appointed video according to the instruction of the touch equipment, then the generated video picture combination is transmitted to the television wall server, and the television wall server combines the received video pictures on the television wall for display.
Or, the video server only transmits the control instruction, the video wall server connects the designated video terminal according to the control instruction, acquires the connected video terminal, and respectively displays the audio and video data at different positions of the video wall, thereby displaying the video picture combination on the video wall.
Further, the video terminal may include a video conference terminal capable of bidirectional video communication, a high-definition monitoring terminal capable of unidirectional video monitoring, and/or a mobile terminal capable of video communication.
In an exemplary embodiment, the touch device can generate a control instruction to control the video source and the picture combination form displayed by the television wall.
Illustratively, referring to fig. 2, a flow of video display control of a video wall based on a touch device is shown, which includes the following steps:
step 1: the touch equipment selects a video source to be displayed and sends a video on-wall instruction; for example, the command terminal selects a desk room, drags a camera in the desk room to a television wall of the command terminal, and the command terminal sends a control command.
Step 2: the video server receives the video on-wall instruction and forwards the video on-wall instruction to the television wall server; and if the video server fails to be connected with the television wall server, prompting that the connection fails, and if the video server is successfully connected with the television wall server, sending a video on-wall instruction.
And step 3: the television wall server displays video pictures at a specified position according to the video on-wall instruction and the selected picture combination form, and displays the selected video pictures on a television wall in real time;
in the step, if the video wall server fails to connect the video terminal, the connection failure is prompted, otherwise, a video picture is connected and displayed.
And 4, step 4: and (3) repeatedly executing the step 3 to connect a plurality of video terminals, performing network group meeting and performing video conference.
The video wall server can monitor audio of the appointed video terminal.
Further, the video terminal comprises a camera, and the camera can control the angle, the position and the zooming of the camera based on mechanical control or digital control.
The touch control equipment can generate a control instruction to control the angle, the position and the zooming of a camera of the video terminal.
Exemplarily, referring to fig. 3, a flow of performing camera display control based on a touch device is shown, which includes the following steps:
step 1: the touch equipment selects a video terminal, sends a camera control instruction and performs camera control;
for example, the command terminal selects a passage in a desk room and controls the camera. And if the touch equipment fails to be connected with the video server, prompting that the connection fails, and if the touch equipment is successfully connected with the video wall server, sending the camera control instruction.
Step 2: the video server receives the camera control instruction and forwards the camera control instruction to the video terminal;
and step 3: and the video terminal controls the angle, the position and the zooming of the camera according to the camera control instruction.
The touch terminal includes a user tool of sensors that generate control data when the user tool is moved.
Further, video control software is installed on the touch device, and the touch terminal generates a control instruction through touch selection based on the video control software.
Referring to fig. 4 and 5, the control interface of the video control software is respectively shown.
In fig. 4, there is a list of video terminals, i.e. video sources, to choose from, and also to choose the tv wall to be controlled. For example, the upper half of fig. 4 shows the interrogation mechanisms of various places, and the lower half of fig. 4 shows two tv walls to be controlled.
In fig. 5, a video picture combination form of the video wall server may be selected, a certain video source is scheduled and decoded to be displayed on a large screen, video decoding on a certain large screen is closed, the sound size of audio preview is controlled, the rotation and lens zoom of a pan/tilt/ball machine are controlled, and the pan/tilt/ball machine and lens zoom of a designated video terminal are controlled. Multiple sites can be selected for multilevel networking command, and the sound state of each site can be controlled.
Therefore, the video wall server can select a video source and set a video picture combination form according to the control instruction.
Further, the video monitoring conference system further comprises a recording and broadcasting server 6, and the recording and broadcasting server can record audio and video images of the video wall server synchronously.
Still further, the video surveillance conference system further comprises other video sources 7, the other video sources comprising one or more of the group of a video cassette recorder, a digital versatile disk player, a programmable controller for a visual source, and an extended graphics array splitter, the other video sources being operable to provide audio and video data to a video wall server. I.e. video conferencing of a video wall, may comprise audiovisual data provided by other video sources 7.
Furthermore, in the invention, in order to reduce the information transmission safety and reduce the flow load in the network, only the control instruction is transmitted between the touch device and the video server, and audio and video data and text data are not transmitted.
In the present invention, the touch device may be a smart phone, a tablet computer, an IPAD, and may transmit or receive signals through a manner such as a wired and/or wireless network.
Therefore, the video monitoring conference system based on the touch equipment has the following advantages:
1. the control instruction is generated by adopting the touch equipment to control the video monitoring conference, so that the operation is simple and convenient, and the mobility is strong;
2. the audio and video calling, decoding, on-wall and network group meeting functions are realized, the control of the tripod head direction and the lens can be carried out on corresponding equipment after the video is called, the audio size is adjusted, the called video is manually recorded and stored locally, and the function is strong;
3. the device can be used for case handling command centers such as public inspection methods and the like, provides a mobile control terminal for commanders, and provides a video conference case handling function for the commanders.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A video surveillance conferencing system based on a touch device, comprising:
the video server is used for connecting a plurality of video terminals and other equipment and transmitting audio and video data and control instructions;
the touch equipment is used for generating a control instruction according to the touch data, and the control instruction is used for controlling the video monitoring conference;
the system comprises a plurality of video terminals, a plurality of video processing terminals and a plurality of display terminals, wherein the video terminals are used for collecting audio and video data for displaying;
the television wall server is used for acquiring audio and video data according to the control instruction and displaying a video picture combination in a specified mode;
the television wall comprises one or more display units and is used for displaying according to the video picture combination transmitted by the television wall server;
the window opening roaming can be realized in the television wall picture, the windows can be mutually overlapped, the windows can be set with priorities, the video image of the window with the higher priority can shield the video content of the overlapped part of the window with the lower priority, and the position can be freely dragged and dropped after the window is opened, and the size can be freely adjusted;
the video server only transmits a control instruction, the video wall server is connected with a specified video terminal according to the control instruction to acquire the connected video terminal, and audio and video data are respectively displayed at different positions of the video wall, so that a video picture combination is displayed on the video wall;
the touch device can generate a control instruction to control a video source and a picture combination form displayed by a television wall, and the method specifically comprises the following steps:
step 1: the touch equipment selects a video source to be displayed and sends a video on-wall instruction;
step 2: the video server receives the video on-wall instruction and forwards the video on-wall instruction to the television wall server;
and step 3: the television wall server displays video pictures at a specified position according to the video on-wall instruction and the selected picture combination form, and displays the selected video pictures on a television wall in real time;
and 4, step 4: and (3) repeatedly executing the step 3 to connect a plurality of video terminals, performing network group meeting and performing video conference.
2. The video surveillance conference system of claim 1, wherein:
the video terminal comprises a video conference terminal capable of carrying out bidirectional video communication, a high-definition monitoring terminal capable of carrying out unidirectional video monitoring and/or a mobile terminal capable of carrying out video communication.
3. The video surveillance conference system according to claim 1 or 2, characterized in that:
the video terminal comprises a camera, and the camera can control the angle, the position and the zooming of the camera based on mechanical control or digital control.
4. The video surveillance conference system according to claim 1 or 2, characterized in that:
the touch device can generate a control instruction to control the angle, the position and the zooming of a camera of the video terminal, and the method specifically comprises the following steps:
step 1: the touch equipment selects a video terminal, sends a camera control instruction and performs camera control;
step 2: the video server receives the camera control instruction and forwards the camera control instruction to the video terminal;
and step 3: and the video terminal controls the angle, the position and the zooming of the camera according to the camera control instruction.
5. The video surveillance conference system according to claim 1 or 2, characterized in that:
and video control software is installed on the touch equipment, and the touch terminal generates a control instruction through touch selection based on the video control software.
6. The video surveillance conferencing system of claim 5, wherein:
the video wall server can select a video source and set a video picture combination form according to the control instruction.
7. The video surveillance conference system according to claim 1 or 2, characterized in that:
the video monitoring conference system further comprises a recording and broadcasting server, and the recording and broadcasting server can synchronously record audio and video images of the television wall server.
8. The video surveillance conference system according to claim 1 or 2, characterized in that:
the video surveillance conference system further comprises other video sources including one or more of the group of a video cassette recorder, a digital versatile disk player, a programmable controller for a visual source, and an extended graphics array splitter, which may provide audio and video data for a video wall server.
9. The video surveillance conference system according to claim 1 or 2, characterized in that:
the touch device is a smart phone, a tablet computer, or an IPAD.
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| CN108401130B (en) * | 2018-04-04 | 2021-01-12 | 广州市欧域科技有限公司 | Monitoring television wall for video conference |
| CN109640029B (en) * | 2018-11-16 | 2020-10-02 | 视联动力信息技术股份有限公司 | Method and device for displaying video stream on wall |
| CN109782974A (en) * | 2019-01-04 | 2019-05-21 | 北京淳中科技股份有限公司 | Signal source packet method for previewing, device, electronic equipment and readable medium |
| CN109874037A (en) * | 2019-01-17 | 2019-06-11 | 北京文香信息技术有限公司 | A kind of multichannel audio-video frequency playback method, device, storage medium and terminal device |
| CN110062194B (en) * | 2019-04-19 | 2022-01-11 | 视联动力信息技术股份有限公司 | Audio and video data processing method, device and storage medium |
| CN113542660A (en) * | 2021-07-20 | 2021-10-22 | 随锐科技集团股份有限公司 | Method, system and storage medium for realizing conference multi-picture high-definition display |
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| CN103731645B (en) * | 2014-01-21 | 2017-02-08 | 中国华录集团有限公司 | Law enforcement and case handling system based on wireless video transmission technology |
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