CN107864354A - A kind of method of electronic whiteboard intelligence recorded broadcast - Google Patents
A kind of method of electronic whiteboard intelligence recorded broadcast Download PDFInfo
- Publication number
- CN107864354A CN107864354A CN201711229477.7A CN201711229477A CN107864354A CN 107864354 A CN107864354 A CN 107864354A CN 201711229477 A CN201711229477 A CN 201711229477A CN 107864354 A CN107864354 A CN 107864354A
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- CN
- China
- Prior art keywords
- recorded broadcast
- electronic whiteboard
- module
- audio
- camera
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- Legal status (The legal status 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 status listed.)
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Classifications
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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
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electrically Operated Instructional Devices (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a kind of method of electronic whiteboard intelligence recorded broadcast,Including electronic whiteboard,Main camera,Secondary video camera and recorded broadcast tracking system,The electronic whiteboard is unidirectionally connected with main camera,And main camera is connected with recorded broadcast tracking system,Secondary video camera is connected with recorded broadcast tracking system,Recorded broadcast tracking system is connected with network communication module,Network communication module is connected with server,Server is connected with client terminal,In the present invention,With powerful note function,It is deep to be welcome by numerous teachers,Classroom interactions can be effectively facilitated,Enliven classroom atmosphere,It is accurate to image track smoothing,Without rubbish camera lens,And track picture not interim card,It is simple and easy to use,Integrated level is high,Electronic whiteboard has higher priority,Only when electronic whiteboard, this road video flowing is stable,Other road video flowings can just be played,Be advantageous to student to concentrate one's energy,Improve the interest and quality of instruction of teaching.
Description
Technical field
The present invention relates to Teaching Technology of Multimedia field, more particularly to a kind of method of electronic whiteboard intelligence recorded broadcast.
Background technology
With the development of science and technology the popularization of multimedia interactive teaching, intelligent recorded broadcast has obtained quick development, intelligent recorded broadcast
In, PPT electronic coursewares need to present by electronic whiteboard, and PPT electronic coursewares fully utilize all resources, including electronics is white
The supporting teaching resources library of plate software, and Internet resources, using the PPT coursewares that both pictures and texts are excellent, along with necessary animation regards
Frequency etc., enriches teaching electronic courseware, and electronic whiteboard is the equipment that projector is placed on rear projection, and computer picture is from blank
Show behind, user can naturally operate very much, will not block projection ray and produce any shade change, conventional electronic whiteboard intelligence
Can recording and broadcasting system can help teacher break through some teaching on heavy difficult point, improve efficiency of teaching, but traditional intelligent recorded broadcast without
Method solves electronic whiteboard during field research, and the opportunity problem of this road video render of electronic whiteboard, electronic whiteboard can not
Prominent position is shown in, and the problem of video cardton be present, easily causing student's notice can not concentrate, and influence the interest of teaching
Taste and quality, are unfavorable for field research.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of electronic whiteboard proposed is intelligently recorded
The method broadcast.
To achieve these goals, present invention employs following technical scheme：
A kind of method of electronic whiteboard intelligence recorded broadcast, including electronic whiteboard, main camera, secondary video camera and recorded broadcast tracking system,
The electronic whiteboard is unidirectionally connected with main camera, and main camera is connected with recorded broadcast tracking system, and secondary video camera is connected with record
Tracking system is broadcast, recorded broadcast tracking system is connected with network communication module, and network communication module is connected with server, server connection
There is client terminal.
The recorded broadcast tracking system includes recorded broadcast tracking main frame, video information compression module, audio-frequency information compression module, sound
Frequency information noise reduction module, communication interface, central control module, time sharing operating system, information-storing device, image recognition alignment system
With target following alignment system, the recorded broadcast tracking main frame is connected with main camera and secondary video camera, and recorded broadcast tracking main frame connects
It is connected to video information compression module, audio-frequency information compression module, audio-frequency information noise reduction module and communication interface, communication interface connection
Have central control module, central processing module connects with network communication module, central control module be connected with time sharing operating system,
Information-storing device, image recognition alignment system and target following alignment system.
Preferably, the electronic whiteboard, which is used to project, plays electronic instruction courseware, and electronic whiteboard can carry out hand-written batch
Note and note.
Preferably, the main camera is used for the video and audio-frequency information for tracking collection electronic whiteboard, and secondary video camera
For gathering the video and audio-frequency information of teachers in classroom.
Preferably, the network communication module includes wireless network card and router, and network communication module be used for recorded broadcast with
Signal transmission between track system and server.
Preferably, the audio-frequency information noise reduction module is used to eliminate noise, and audio-frequency information noise reduction module is calculated using fixed point
Method or floating-point arithmetic.
Preferably, the time sharing operating system is used to the time of central processing module being divided into timeslice, and timesharing is grasped
Make system and ensure that the priority orders of main camera are higher than the priority orders of secondary video camera.
Preferably, the central control module is used to focus on signal and controls the switching of video camera, and centre
Model Duo I7 6950X or AMD the Ryzen Threadripper 1950X of module are managed, central processing module includes computing
Device and controller.
Preferably, described image identification alignment system is used for the change for identifying video information, and transmits signals to center
Control module.
Preferably, the target following alignment system is used to tracking and identifying the position of teacher, and transmits signals to
Entreat control module.
The beneficial effects of the invention are as follows：
1st, it is of the invention, in the writable annotation of view field, there is powerful note function, it is not only deep to be welcome by numerous teachers,
And classroom interactions can be effectively facilitated, classroom atmosphere is enlivened, is improved the quality of teaching.
2nd, of the invention, shooting track smoothing is accurate, no rubbish camera lens, and tracks picture not interim card, does not lose camera lens.
3rd, of the invention, simple and easy to use, integrated level is high, and electronic whiteboard has higher priority, as long as triggering electronics
Whiteboard images change, this road video flowing of recorded broadcast tracking chiller priority broadcasting electronic whiteboard, only when this road video flowing of electronic whiteboard
It is stable, other road video flowings can be just played, is advantageous to student and concentrates one's energy, improve the interest and quality of instruction of teaching.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the method for electronic whiteboard intelligence recorded broadcast proposed by the present invention；
Fig. 2 is a kind of recorded broadcast tracking system structural representation of the method for electronic whiteboard intelligence recorded broadcast proposed by the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-2, a kind of method of electronic whiteboard intelligence recorded broadcast, including electronic whiteboard, main camera, secondary video camera and
Recorded broadcast tracking system, the electronic whiteboard is unidirectionally connected with main camera, and main camera is connected with recorded broadcast tracking system, and pair is taken the photograph
Camera is connected with recorded broadcast tracking system, and recorded broadcast tracking system is connected with network communication module, and network communication module is connected with service
Device, server are connected with client terminal, and the recorded broadcast tracking system includes recorded broadcast tracking main frame, video information compression module, sound
Frequency Information Compression module, audio-frequency information noise reduction module, communication interface, central control module, time sharing operating system, information storage
Device, image recognition alignment system and target following alignment system, the recorded broadcast tracking main frame connect with main camera and secondary video camera
Connect, and recorded broadcast tracking main frame is connected with video information compression module, audio-frequency information compression module, audio-frequency information noise reduction module and led to
Communication interface, communication interface are connected with central control module, and central processing module connects with network communication module, central control module
It is connected with time sharing operating system, information-storing device, image recognition alignment system and target following alignment system, the electronic whiteboard
For project play electronic instruction courseware, and electronic whiteboard can carry out hand annotation with explain, the main camera be used for
Track gathers the video and audio-frequency information of electronic whiteboard, and video and sound of the secondary video camera for gathering teachers in classroom
Frequency information, the network communication module include wireless network card and router, and network communication module be used for recorded broadcast tracking system and
Signal transmission between server, the audio-frequency information noise reduction module is used to eliminate noise, and audio-frequency information noise reduction module uses
Fixed-point algorithm or floating-point arithmetic, the time sharing operating system is used to the time of central processing module being divided into timeslice, and divides
When operating system ensure that the priority orders of main camera are higher than the priority orders of secondary video camera, the central control module is used
In focusing on signal and control the switching of video camera, and model Duo the I7 6950X or AMD of central processing module
Ryzen Threadripper 1950X, central processing module include arithmetic unit and controller, described image identification alignment system
For identifying the change of video information, and transmit signals to central control module, the target following alignment system be used for
Track and the position of identification teacher, and transmit signals to central control module.
Embodiment one, during teachers, main camera gathers the audio/video information of electronic whiteboard, secondary camera acquisition classroom
The audio/video information of interior teachers, audio-frequency information compression module and video information compression module pass through these Information Compressions
Communication interface is sent to central control module, sets the higher priority of electronic whiteboard, and time sharing operating system is by central processing mould
The time of block is divided into timeslice, ensures that the priority orders of main camera are higher than the priority orders of secondary video camera, electronics is white
When Ban Zhe roads video changes, image recognition alignment system identifies the change of video information, and transmits signals to central control
Module, central control module control recorded broadcast tracking chiller priority play electronic whiteboard this road video flowing, only when electronic whiteboard this
Road video flowing is stable, can just play other road video flowings, and target following alignment system is used for the position for tracking and identifying teacher, and
Central control module is transmitted signals to, central control module control recorded broadcast tracking mian engine changeover video flowing, realizes Autoconducting
The video flowing of different pictures, the intelligent recorded broadcast picture that client preferentially plays display electronic whiteboard.
Embodiment two, recorded broadcast track main frame and audio/video information that is treated and playing out are sent into network service mould
Block, network communication module transfer information to server, and client terminal can receive audio/video information by server, and teacher uses
When the coursewares such as PPT carry out education activities, if electronic whiteboard picture changes, the emphasis of education activities is just in electronic whiteboard
On, otherwise, then illustrate current education activities in other activities.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (9)
1. a kind of method of electronic whiteboard intelligence recorded broadcast, including electronic whiteboard, main camera, secondary video camera and recorded broadcast tracking system
System, it is characterised in that the electronic whiteboard is unidirectionally connected with main camera, and main camera is connected with recorded broadcast tracking system, secondary
Video camera is connected with recorded broadcast tracking system, and recorded broadcast tracking system is connected with network communication module, and network communication module is connected with clothes
Business device, server are connected with client terminal；
The recorded broadcast tracking system includes recorded broadcast tracking main frame, video information compression module, audio-frequency information compression module, audio letter
Cease noise reduction module, communication interface, central control module, time sharing operating system, information-storing device, image recognition alignment system and mesh
Tracing-positioning system is marked, the recorded broadcast tracking main frame is connected with main camera and secondary video camera, and recorded broadcast tracking main frame is connected with
Video information compression module, audio-frequency information compression module, audio-frequency information noise reduction module and communication interface, during communication interface is connected with
Control module is entreated, central processing module connects with network communication module, and central control module is connected with time sharing operating system, information
Memory, image recognition alignment system and target following alignment system.
2. the method for a kind of electronic whiteboard intelligence recorded broadcast according to claim 1, it is characterised in that the electronic whiteboard is used
Electronic instruction courseware is played in projection, and electronic whiteboard can carry out hand annotation with explaining.
3. the method for a kind of electronic whiteboard intelligence recorded broadcast according to claim 1, it is characterised in that the main camera is used
In the video and audio-frequency information of tracking collection electronic whiteboard, and secondary video camera be used to gathering the videos of teachers in classroom with
And audio-frequency information.
A kind of 4. method of electronic whiteboard intelligence recorded broadcast according to claim 1, it is characterised in that the network service mould
Block includes wireless network card and router, and the signal transmission that network communication module is used between recorded broadcast tracking system and server.
A kind of 5. method of electronic whiteboard intelligence recorded broadcast according to claim 1, it is characterised in that the audio-frequency information drop
Module of making an uproar is used to eliminate noise, and audio-frequency information noise reduction module uses fixed-point algorithm or floating-point arithmetic.
A kind of 6. method of electronic whiteboard intelligence recorded broadcast according to claim 1, it is characterised in that the time-sharing operation system
Unite for the time of central processing module to be divided into timeslice, and time sharing operating system ensures the priority orders of main camera
Higher than the priority orders of secondary video camera.
A kind of 7. method of electronic whiteboard intelligence recorded broadcast according to claim 1, it is characterised in that the center control mould
Block be used for focus on signal and control video camera switching, and the model Duo I7 6950X of central processing module or
AMD Ryzen Threadripper 1950X, central processing module include arithmetic unit and controller.
8. the method for a kind of electronic whiteboard intelligence recorded broadcast according to claim 1, it is characterised in that described image identification is fixed
Position system is used for the change for identifying video information, and transmits signals to central control module.
9. the method for a kind of electronic whiteboard intelligence recorded broadcast according to claim 1, it is characterised in that the target following is determined
Position system is used for the position for tracking and identifying teacher, and transmits signals to central control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229477.7A CN107864354A (en) | 2017-11-29 | 2017-11-29 | A kind of method of electronic whiteboard intelligence recorded broadcast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229477.7A CN107864354A (en) | 2017-11-29 | 2017-11-29 | A kind of method of electronic whiteboard intelligence recorded broadcast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107864354A true CN107864354A (en) | 2018-03-30 |
Family
ID=61703975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711229477.7A Pending CN107864354A (en) | 2017-11-29 | 2017-11-29 | A kind of method of electronic whiteboard intelligence recorded broadcast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107864354A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611764A (en) * | 2019-07-09 | 2019-12-24 | 上海优熠电子科技有限公司 | Blackboard writing correction fusion system based on position detection module and camera |
| CN112261332A (en) * | 2020-10-22 | 2021-01-22 | 江苏欧帝电子科技有限公司 | Intelligent blackboard data processing system and method |
| WO2021226821A1 (en) * | 2020-05-12 | 2021-11-18 | Polycom Communications Technology (Beijing) Co. Ltd. | Systems and methods for detection and display of whiteboard text and/or an active speaker |
| CN116312435A (en) * | 2023-05-24 | 2023-06-23 | 成都小唱科技有限公司 | Audio processing method and device for jukebox, computer equipment and storage medium |
-
2017
- 2017-11-29 CN CN201711229477.7A patent/CN107864354A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611764A (en) * | 2019-07-09 | 2019-12-24 | 上海优熠电子科技有限公司 | Blackboard writing correction fusion system based on position detection module and camera |
| WO2021226821A1 (en) * | 2020-05-12 | 2021-11-18 | Polycom Communications Technology (Beijing) Co. Ltd. | Systems and methods for detection and display of whiteboard text and/or an active speaker |
| CN112261332A (en) * | 2020-10-22 | 2021-01-22 | 江苏欧帝电子科技有限公司 | Intelligent blackboard data processing system and method |
| CN116312435A (en) * | 2023-05-24 | 2023-06-23 | 成都小唱科技有限公司 | Audio processing method and device for jukebox, computer equipment and storage medium |
| CN116312435B (en) * | 2023-05-24 | 2023-08-01 | 成都小唱科技有限公司 | Audio processing method and device for jukebox, computer equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180330 |
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| WD01 | Invention patent application deemed withdrawn after publication |