CN110298777A - The generation system and method for classroom video - Google Patents
The generation system and method for classroom video Download PDFInfo
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- CN110298777A CN110298777A CN201910672149.7A CN201910672149A CN110298777A CN 110298777 A CN110298777 A CN 110298777A CN 201910672149 A CN201910672149 A CN 201910672149A CN 110298777 A CN110298777 A CN 110298777A
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- style
- content file
- writing track
- content
- courseware
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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
- G06F3/04883—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 for inputting data by handwriting, e.g. gesture or text
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/20—Education
- G06Q50/205—Education administration or guidance
-
- 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
- H04L65/40—Support for services or applications
-
- 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
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
Abstract
The embodiment of the invention discloses a kind of generation system and method for classroom video, it include: the first display board, second display board, intelligent terminal, the intelligent terminal include processing unit, and the processing unit is connect with first display board and second display board, wherein: first display board, for obtaining personnel's written contents of giving lessons, and it is based on style of writing track identification, the content write is generated into style of writing track content file；Second display board generates courseware video content file for showing electronic courseware content, and by the electronic courseware content；The processing unit, for receiving style of writing track content file and the courseware video content file, and style of writing track content file and the courseware video content file are generated into classroom video according to default correlation logic, to realize that the style of writing track content by electronic courseware content and the personnel that give lessons is stored in the purpose of the same page.
Description
Technical field
The present embodiments relate to the generation systems and side of educational aid technical field more particularly to a kind of classroom video
Method.
Background technique
Under the epoch of " internet+", education and the combination of internet are inexorable trends, and the appearance of Online class can
It allows the student of remote districts to obtain the introduction of master, allows online teaching to reach as on-the-spot teaching, more can solve and nowadays educate
The limitation of existing time and space, the appearance of Online class realize on-line off-line real combination.
However the writing on the blackboard of give lessons courseware and the teacher of teacher can not be stored in the same page by education on existing line,
So that after student downloads viewing therefore how the two is stored on the same page by the situation for usually occurring not corresponding to,
It is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The embodiment of the invention provides a kind of generation system and method for classroom video, to realize will give lessons courseware and teacher
Writing on the blackboard is stored in the purpose of the same page.
In a first aspect, the embodiment of the invention provides a kind of generation systems of classroom video, comprising: the first display board, the
Two display boards, intelligent terminal, the intelligent terminal include processing unit, the processing unit and first display board and institute
State the connection of the second display board, in which:
First display board for obtaining personnel's written contents of giving lessons, and is based on style of writing track identification, by what is write
Content generates style of writing track content file；
Second display board generates courseware video for showing electronic courseware content, and by the electronic courseware content
Content file；
The processing unit, for receiving style of writing track content file and the courseware video content file, and will
Style of writing track content file and the courseware video content file are according to default correlation logic generation classroom video.
Optionally, first display board includes:
On the respectively arranged infrared transmitting tube of end edges and infrared receiving tube and second direction on first direction
The respectively arranged infrared transmitting tube of end edges and infrared receiving tube；Wherein, it the infrared transmitting tube on first direction and infrared connects
Infrared transmitting tube and infrared receiving tube in closed tube and second direction is for obtaining personnel's written contents of giving lessons.
Optionally, the system also includes server, the server is connect with the intelligent terminal；
The processing unit is also used to: classroom video generated being uploaded to server, is obtained online for user
The classroom video.
Optionally, the processing unit is also used to:
Classroom video generated is subjected to compression processing using predetermined manner, compressed classroom video is uploaded to clothes
Business device.
Optionally, the processing unit is also used to:
In response to showing content switching command, the content that second display board is shown is switched to style of writing track content text
Style of writing track content in part.
Optionally, it is specifically used for:
Style of writing track content file and the courseware video content file are generated into classroom video according to preset rules；
Wherein, the classroom video includes first content display area and the second content display area, for respectively in style of writing track
Hold and courseware video content is shown.
Second aspect, the embodiment of the invention also provides a kind of generation methods of classroom video, comprising:
Personnel's written contents of giving lessons are obtained by the first display board, and are based on style of writing track identification, the content that will be write
Generate style of writing track content file；
Electronic courseware content is shown by the second display board, and the electronic courseware content is generated into courseware video content text
Part；
Style of writing track content file and the courseware video content file are received by the processing unit of intelligent terminal,
And style of writing track content file and the courseware video content file are generated into classroom video according to default correlation logic.
Optionally, the method also includes:
Classroom video generated is uploaded to server by the processing unit, carries out online access for user.
Optionally, classroom video generated is being uploaded to by server by the processing unit, is being carried out for user
Before line access, the method also includes:
Classroom video generated is subjected to compression processing using predetermined manner, compressed classroom video is uploaded to clothes
Business device.
Optionally, the method also includes:
In response to showing content switching command, the content that second display board is shown is switched to style of writing track content text
Style of writing track content in part.
Optionally, style of writing track content file and the courseware video content file is raw according to default correlation logic
At classroom video, comprising:
Style of writing track content file and the courseware video content file are generated into classroom video according to preset rules；
Wherein, the classroom video includes first content display area and the second content display area, for respectively in style of writing track
Hold and courseware video content is shown.
Optionally, the preset rules include association in time rule；
Correspondingly, by style of writing track content file and the courseware video content file according to preset rules generation class
Hall video, comprising:
Judge the style of writing track frame image of style of writing track content file and the courseware video frame figure of courseware video content file
Whether the interval duration of picture is less than preset duration threshold value；
If so, by the style of writing track frame image of style of writing track content file and the courseware video of courseware video content file
The frame image of frame image synthesis classroom video.
Optionally, the preset rules include content correlation rule；
Correspondingly, by style of writing track content file and the courseware video content file according to preset rules generation class
Hall video, comprising:
To the extraction Notation Of Content information of the style of writing track frame image of style of writing track content file, and to courseware video content
The courseware video frame images of file extract Notation Of Content information；
Judge the style of writing track frame image of style of writing track content file and the courseware video frame figure of courseware video content file
Whether the degree of correlation of picture is more than default relevance threshold；
If so, by the style of writing track frame image of style of writing track content file and the courseware video of courseware video content file
The frame image of frame image synthesis classroom video.
The embodiment of the invention provides a kind of generation systems of classroom video, comprising: the first display board, the second display board,
Intelligent terminal, the intelligent terminal include processing unit, the processing unit and first display board and second exhibition
Show that plate connects, wherein processing unit is by received style of writing track content file and courseware video content file according to default association
Logic generates classroom video, courseware will be given lessons and teacher's writing on the blackboard is stored in the purpose of the same page to realize, to facilitate under student
It carries and uses.
Detailed description of the invention
Fig. 1 a is a kind of structural schematic diagram of the generation system of the classroom video provided in the embodiment of the present invention one；
Fig. 1 b is the structural schematic diagram of the first display board of one kind provided in the embodiment of the present invention one；
Fig. 2 is a kind of flow diagram of the generation method of the classroom video provided in the embodiment of the present invention two.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing or method described as flow chart.Although each step is described as the processing of sequence by flow chart, many of these
Step can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of each step can be rearranged.When its operation
The processing can be terminated when completion, it is also possible to have the additional step being not included in attached drawing.The processing can be with
Corresponding to method, function, regulation, subroutine, subprogram etc..
Embodiment one
Fig. 1 a is a kind of structural schematic diagram of the generation system for classroom video that the embodiment of the present invention one provides, the present embodiment
It is applicable to student and downloads the case where classroom video learns, the side of software and/or hardware can be used in the device in the system
Formula realizes that the device in the system can be integrated in computing terminal, can also independently be used as a terminal, which includes:
First display board 110, the second display board 120, intelligent terminal 130, the intelligent terminal 130 include processing unit
131, the processing unit 131 is connect with first display board 110 and second display board 120, in which:
First display board 110 is given lessons personnel's written contents for obtaining, and is based on style of writing track identification, by book
The content write generates style of writing track content file；
Second display board 120 generates courseware view for showing electronic courseware content, and by the electronic courseware content
Frequency content file；
The processing unit 131, for receiving style of writing track content file and the courseware video content file, and
Style of writing track content file and the courseware video content file are generated into classroom video according to default correlation logic.
In the present embodiment, the first display board is by plastics corner, the green plate of nanometer, aluminium frame, infrared filtering strip, corner strap, print
Printed circuit board (PCBA, Printed Circuit Board+Assembly) composition, the first display board can be connected by USB port
The processing unit of data line and above-mentioned intelligent terminal is attached.
Illustratively, the second display board can be teaching one-piece, and teaching one-piece does infrared touch technology, intelligence
The multinomial technological synthesis such as public teaching software, multimedia network communication technology, high definition flat panel display incorporate projection in one
The plurality of devices such as instrument, electronic whiteboard, computer, TV, touch function show traditional in the Multifunction interdynamic teaching equipment of one
Show that terminal is promoted to full-featured human-computer interaction device.
Those skilled in the art is not it is to be understood that limit the number of the first display board and the second display board in the present embodiment
Amount and spatial position during realization, illustratively, the first display board can be two pieces, be located at the second display board
The left and right sides.
Above-mentioned intelligent terminal can be computer, smart phone, plate etc..
Specifically, the personnel that give lessons carry out written contents by the first display board, the first display board can carry out book with chalk
It writes, the form for the chalk font that the personnel that give lessons write, thickness is mellow and full, and the vigour of style in writing can be based on style of writing track identification and be taken down notes
Reduction, and the thickness of the style of writing for the personnel that give lessons in identification process is also able to carry out identification, the during written contents
One display board can be given lessons with automatic shield personnel write when coat-sleeve and palm interference.Further, intelligent terminal can be to
One display board is configured, and written contents can be set and wipe the critical range that blackboard eraser removes, solve the people that gives lessons to maximizing
Member write when company problem, can intelligent recognition go out style of writing track give lessons personnel writing style or the personnel that give lessons miss book
Write and caused by, when identify be give lessons personnel accidentally write when, then corrected automatically.Wherein, the minimum of style of writing track identification
Accuracy of identification is 1.5mm, and the trueness error of written contents is positive and negative 1.5m.The spoilage of first display board fluorescent tube when in use is low
The interference of chalk powder can be effectively excluded in the 15%, and first display board.Illustratively, as infrared radiation degree >=170Lux,
The first display board can also work normally under environment light >=100000Lux.
Electronic courseware content shown in second display board is the electronic courseware played when the personnel of giving lessons give lessons, above-mentioned electronics
Courseware content can be corresponded with the written contents in the first display board.
Illustratively, given lessons personnel's written contents by the acquisition of the first display board, and be based on style of writing track identification, by book
The content write generates style of writing track content file and can be through the infrared touch technology in infrared transmitting tube and infrared receiving tube
It realizes, those skilled in the art is it is to be understood that the process of the first display board style of writing track identification is not limited to infrared touching
Control technology, can also be capacitance touching control technology etc., other can be realized the technology of style of writing track identification.
Illustratively, when the first display board is to realize style of writing track identification with infrared touch technology, reference can be made to Fig. 1 b shows
The structural schematic diagram of the first display board of one kind out, wherein the first display board includes:
On the respectively arranged infrared transmitting tube of end edges and infrared receiving tube and second direction on first direction
The respectively arranged infrared transmitting tube of end edges and infrared receiving tube；Wherein, it the infrared transmitting tube on first direction and infrared connects
Infrared transmitting tube and infrared receiving tube in closed tube and second direction is for obtaining personnel's written contents of giving lessons.
In the present embodiment, to first direction and second direction without specifically limiting, above-mentioned first direction can be
The short side direction of one display board is also possible to the longitudinal direction of the first display board, and above-mentioned second direction can be the first display board
Short side direction is also possible to the longitudinal direction of the first display board.When first direction is the short side direction of the first display board, second
Direction is the longitudinal direction of the first display board.When first direction is the longitudinal direction of the first display board, second direction is first
The short side direction of display board.
Specifically, infrared transmitting tube is usually to cooperate to be used together with infrared receiving tube, infrared transmitting tube is by infrared hair
Optical diode square forms illuminator, is made PN junction with the high material of infrared radiation efficiency (common GaAs), and forward bias is to PN
It ties Injection Current and excites infrared light, spectral power distribution is 830~950nm of center wavelength.
The interference without suffering from visible light similar to photosensitive receiving tube of the function of infrared receiving tube, photosensitive area is big, sensitive
Degree is high, belongs to photodiode, general only to have reaction to infrared ray.
Photosensitive receiving tube is the PN junction with photosensitive feature, belongs to photodiode, has unilateral conduction, therefore
Backward voltage need to be added when work.When no light, there is the saturation reverse leakage current (dark current) of very little.Photosensitive tube is not led at this time
Logical, when illumination, saturation reverse leakage current increases, and forms photoelectric current, in a certain range it with incident intensity variation
And increase.
By the infrared transmitting tube and infrared receiving tube on first direction and the infrared transmitting tube in second direction and red
Outer reception pipe carries out whole scan and partial sweep to the first display board.
The original infrared matrix-scanning of technological break-through that first display board uses, " multicast, a receipts are multiple, more for utilization
Hair to be received ", partial sweep is embedded in whole scan, has increased exponentially scanning speed, in the personnel of giving lessons during writing,
The thickness of pen can change at any time, while the inclination of angle also results in a thickness and changes at any time, by scan the variation of style of writing to
Improve sampling precision.
In the present embodiment, optionally, the system also includes server, the server is connect with the intelligent terminal,
The processing unit is also used to: classroom video generated being uploaded to server, is obtained the classroom online for user
Video.The benefit being arranged in this way be user can review classroom video or user cannot arrive scene listen give lessons personnel teach
When, additionally it is possible to watch classroom video.
In the present embodiment, optionally, the processing unit is also used to: by classroom video generated using predetermined manner into
Compressed classroom video is uploaded to server by row compression processing.The benefit being arranged in this way is that user downloads classroom video
Speed quickly, convenient for checking classroom video in time.
After user logs in the user account of intelligent terminal, user can be required for selection downloading in multiple classroom videos
Classroom video.Wherein, the classroom video of user's downloading is the classroom video of compression, and therefore, data volume is conventional store mode
1%, to eliminate educational resource it is unbalanced, realize Education equity be very helpful.
In the present embodiment, optionally, which is also used to: in response to showing content switching command, by described second
The content that display board is shown is switched to the style of writing track content in the content file of style of writing track.
Illustratively, when classroom area of giving lessons is larger, when the first display board is in classroom side, the second display board is in
The classroom other side, the personnel in the second display board predeterminable area are it is possible that can't see the style of writing track of the first display board
The electronic courseware content shown in second display board can then be switched to the style of writing track content for the personnel of giving lessons by the case where content
Style of writing track content in file, the processing unit in intelligent terminal switch over the electronic courseware content in the second panel,
If the personnel that give lessons need the second display board to show electronic courseware content, electronic courseware content can be switched back into.
In the present embodiment, optionally, the processing unit is specifically used for: by style of writing track content file and described
Courseware video content file generates classroom video according to preset rules；Wherein, the classroom video includes first content show area
Domain and the second content display area, for being shown respectively to style of writing track content and courseware video content.
In the present embodiment, above-mentioned style of writing track content file and courseware video content file are according to preset rules generation classroom
Video is simultaneously saved, and can also be uploaded cloud for user and is downloaded viewing study.Wherein, the classroom video after user's downloading
It is divided into first content display area and the second content display area, first content display area is shown to style of writing track content
Show, the second content display area is shown to courseware video content, user can watch simultaneously courseware video content and
The style of writing track content that the personnel that give lessons write, and can hear that the personnel's of giving lessons says solution preocess for courseware video content.
The technical solution of the embodiment of the present invention is obtained the first display board by a kind of generation system of classroom video
The courseware video content file that style of writing track content file and the second display board obtain generates classroom view according to default correlation logic
Frequently.The every a one-step process that the reduction personnel of giving lessons can be attended class, can review at any time after allowing user to download, consolidate at any time, there is needle
Review to property.
Embodiment two
Fig. 2 is a kind of flow diagram of the generation method of classroom video provided by Embodiment 2 of the present invention, and this method can
It is executed with generation system by classroom video provided in an embodiment of the present invention, which can be used the side of software and/or hardware
Formula is realized.Referring to fig. 2, specifically comprise the following steps:
S210, personnel's written contents of being given lessons by the acquisition of the first display board, and it is based on style of writing track identification, by what is write
Content generates style of writing track content file；
S220, electronic courseware content is shown by the second display board, and the electronic courseware content is generated into courseware video
Content file；
S230, style of writing track content file and the courseware video content are received by the processing unit of intelligent terminal
File, and style of writing track content file and the courseware video content file are generated into classroom according to default correlation logic and regarded
Frequently.
Technical solution provided by the present embodiment, by obtaining give lessons personnel's written contents, and base by the first display board
In style of writing track identification, the content write is generated into style of writing track content file；Electronic courseware is shown by the second display board
Content, and the electronic courseware content is generated into courseware video content file；Described in processing unit reception by intelligent terminal
Style of writing track content file and the courseware video content file, and by style of writing track content file and the courseware video
Content file generates classroom video according to default correlation logic.By using above-mentioned technical proposal, the courseware that will give lessons may be implemented
It is stored in the purpose of the same page with teacher's writing on the blackboard, is used with facilitating student to download.
Based on the above technical solution, optionally, the method also includes:
Classroom video generated is uploaded to server by the processing unit, carries out online access for user.
On the basis of above-mentioned each technical solution, optionally, by the processing unit by classroom video generated
It is uploaded to server, before carrying out online access for user, the method also includes:
Classroom video generated is subjected to compression processing using predetermined manner, compressed classroom video is uploaded to clothes
Business device.
On the basis of above-mentioned each technical solution, optionally, the method also includes:
In response to showing content switching command, the content that second display board is shown is switched to style of writing track content text
Style of writing track content in part.
On the basis of above-mentioned each technical solution, optionally, by style of writing track content file and the courseware video
Content file generates classroom video according to default correlation logic, comprising:
Style of writing track content file and the courseware video content file are generated into classroom video according to preset rules；
Wherein, the classroom video includes first content display area and the second content display area, for respectively in style of writing track
Hold and courseware video content is shown.
Optionally, the preset rules include association in time rule；
Correspondingly, by style of writing track content file and the courseware video content file according to preset rules generation class
Hall video, comprising:
Judge the style of writing track frame image of style of writing track content file and the courseware video frame figure of courseware video content file
Whether the interval duration of picture is less than preset duration threshold value；
If so, by the style of writing track frame image of style of writing track content file and the courseware video of courseware video content file
The frame image of frame image synthesis classroom video.
First display board opens up the style of writing track frame Image Real-time Transmission of style of writing track content file to processing unit, second
Show plate for the courseware video frame images real-time Transmission of courseware video content file to processing unit, above-mentioned processing unit is by style of writing rail
The time of the courseware video frame images at time point and courseware video content file in the style of writing track frame image of mark content file
Point is compared.
When the courseware at time point and courseware video content file in the style of writing track frame image of style of writing track content file
The difference at the time point of video frame images is less than preset duration threshold value, and illustratively, preset duration threshold value is 100ms, then above-mentioned
Processing unit is by the style of writing track frame image of style of writing track content file and the courseware video frame images of courseware video content file
Synthesize the frame image of classroom video.The frame image of multiframe classroom video synthesized again, compress after form final classroom video.
When the courseware at time point and courseware video content file in the style of writing track frame image of style of writing track content file
The difference at the time point of video frame images is greater than preset duration threshold value, then by current style of writing track frame image and current courseware video
The previous frame image of frame image is synthesized.
Optionally, the preset rules include content correlation rule；
Correspondingly, by style of writing track content file and the courseware video content file according to preset rules generation class
Hall video, comprising:
To the extraction Notation Of Content information of the style of writing track frame image of style of writing track content file, and to courseware video content
The courseware video frame images of file extract Notation Of Content information；
Judge the style of writing track frame image of style of writing track content file and the courseware video frame figure of courseware video content file
Whether the degree of correlation of picture is more than default relevance threshold；
If so, by the style of writing track frame image of style of writing track content file and the courseware video of courseware video content file
The frame image of frame image synthesis classroom video.
First display board opens up the style of writing track frame Image Real-time Transmission of style of writing track content file to processing unit, second
Show plate for the courseware video frame images real-time Transmission of courseware video content file to processing unit, above-mentioned processing unit is by style of writing rail
The courseware video frame images of Notation Of Content information and courseware video content file in the style of writing track frame image of mark content file
Notation Of Content information be compared.
The degree of correlation of style of writing track frame image and courseware video frame images is compared, when the degree of correlation is greater than default correlation
When spending threshold value, by the style of writing track frame image of style of writing track content file and the courseware video frame images of courseware video content file
Synthesize the frame image of classroom video.
When the degree of correlation is less than default relevance threshold, by current style of writing track frame image and current courseware video frame images
Previous frame image synthesis classroom video frame image.
The user of intelligent terminal watches classroom video, the classroom video that can also will have been downloaded after can logging in by network
File directly opens viewing.
It is apparent to those skilled in the art that for convenience and simplicity of description, foregoing description method
Specific work process, can be with reference to the corresponding process in aforementioned system embodiment, and details are not described herein.
It in the present embodiment, is write using C Plus Plus, using MFC frame and COM framework；It is drawn with GDI+ and Direct 2D
Diagram technology combines, using 2 Bezier curve algorithms, activation primitive (Nonlinear Mapping learning ability), so that writes is interior
Holding digitlization, the effect is more real, more smooth.Using classical STL technology in terms of the storage of data, it ensure that data
Accuracy and integrality.In terms of network data transmission, using ICP/IP protocol, udp protocol, http protocol etc., both it ensure that
The stability of transmission in turn ensures the high efficiency and integrality of transmission.In tablet terminal, using WAP standard agreement and 3G/4G
Technology；In structure, using C/S (client/server) structure, procedure above can be all after completely compatible Windows7
System.
Wherein, GDI+ technology makes Application developer when output screen and Printer Information without considering
It is particularly shown the details of equipment, graphic operation can be completed in the certain methods for the class that they need to only call the library GDI+ to export, really
Plot Work by these methods give specific device driver to complete, GDI+ technology makes graphic hardware and using journey
Application program of the mutually isolated of sequence to keep developer's programming apparatus unrelated becomes very easy.
Compared with using GDI+, the application program of Direct2D processing figure can realize higher visual quality,
The content that Direct2D is presented is more smooth, when secondary structure is presented, also supports transparency and Alpha mixing completely.In addition,
The preferred hardware-accelerated mode of Direct 2D technology, thus significantly reduces the burden of CPU.
STL is a part of C++, and by the way that some template class are arranged, STL container provides branch to most common data structure
Hold, the parameters of these templates can in specified containers element data type, the course of work can be simplified.
TCP is connection-oriented communication protocol, establishes connection by three-way handshake, and communication will remove connection when completing, by
It is connection-oriented so being only used for communicating end to end in TCP.UDP is towards connectionless communications protocol, UDP message packet
Destination slogan and source port number information are included, since communication does not need to connect, it is possible to realize broadcast transmission.
WAP (home control network communication protocol) is in digital mobile phone, internet or other personal digital assistant (PDA), meter
The global open standard communicated between the application of calculation machine or even the information household appliances in future
The technical solution of the embodiment of the present invention is obtained the first display board by a kind of generation method of classroom video
The courseware video content file that style of writing track content file and the second display board obtain generates classroom view according to default correlation logic
Frequently, the every a one-step process that the reduction personnel of giving lessons can be attended class, can review at any time after allowing user to download, consolidate at any time, there is needle
Review to property.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of generation system of classroom video characterized by comprising the first display board, the second display board, intelligent terminal,
The intelligent terminal includes processing unit, and the processing unit is connect with first display board and second display board,
Wherein:
First display board for obtaining personnel's written contents of giving lessons, and is based on style of writing track identification, the content that will be write
Generate style of writing track content file；
Second display board generates courseware video content for showing electronic courseware content, and by the electronic courseware content
File；
The processing unit, for receiving style of writing track content file and the courseware video content file, and will be described
Style of writing track content file and the courseware video content file are according to default correlation logic generation classroom video.
2. system according to claim 1, which is characterized in that first display board includes:
The respectively arranged infrared transmitting tube of end edges on first direction and the opposite end in infrared receiving tube and second direction
The respectively arranged infrared transmitting tube in edge and infrared receiving tube；Wherein, the infrared transmitting tube and infrared receiving tube on first direction
And infrared transmitting tube in second direction and infrared receiving tube are for obtaining personnel's written contents of giving lessons.
3. system according to claim 1, which is characterized in that the system also includes server, the server and institute
State intelligent terminal connection；
The processing unit is also used to: classroom video generated being uploaded to server, is carried out described in acquisition online for user
Classroom video.
4. system according to claim 1, which is characterized in that the processing unit is also used to:
In response to showing content switching command, the content that second display board is shown is switched in the content file of style of writing track
Style of writing track content.
5. system according to claim 1, which is characterized in that the processing unit is specifically used for:
Style of writing track content file and the courseware video content file are generated into classroom video according to preset rules；Its
In, the classroom video includes first content display area and the second content display area, for respectively to style of writing track content
It is shown with courseware video content.
6. a kind of generation method of classroom video characterized by comprising
Personnel's written contents of giving lessons are obtained by the first display board, and are based on style of writing track identification, the content write is generated
Style of writing track content file；
Electronic courseware content is shown by the second display board, and the electronic courseware content is generated into courseware video content file；
Style of writing track content file and the courseware video content file are received by the processing unit of intelligent terminal, and will
Style of writing track content file and the courseware video content file are according to default correlation logic generation classroom video.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
In response to showing content switching command, the content that second display board is shown is switched in the content file of style of writing track
Style of writing track content.
8. according to the method described in claim 6, it is characterized in that, by style of writing track content file and the courseware video
Content file generates classroom video according to default correlation logic, comprising:
Style of writing track content file and the courseware video content file are generated into classroom video according to preset rules；Its
In, the classroom video includes first content display area and the second content display area, for respectively to style of writing track content
It is shown with courseware video content.
9. according to the method described in claim 8, it is characterized in that, the preset rules include association in time rule；
It is regarded correspondingly, style of writing track content file and the courseware video content file are generated classroom according to preset rules
Frequently, comprising:
Judge the style of writing track frame image of style of writing track content file and the courseware video frame images of courseware video content file
Whether interval duration is less than preset duration threshold value；
If so, by the courseware video frame figure of the style of writing track frame image of style of writing track content file and courseware video content file
As the frame image of synthesis classroom video.
10. according to the method described in claim 8, it is characterized in that, the preset rules include content correlation rule；
It is regarded correspondingly, style of writing track content file and the courseware video content file are generated classroom according to preset rules
Frequently, comprising:
To the extraction Notation Of Content information of the style of writing track frame image of style of writing track content file, and to courseware video content file
Courseware video frame images extract Notation Of Content information；
Judge the style of writing track frame image of style of writing track content file and the courseware video frame images of courseware video content file
Whether the degree of correlation is more than default relevance threshold；
If so, by the courseware video frame figure of the style of writing track frame image of style of writing track content file and courseware video content file
As the frame image of synthesis classroom video.
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