CN208903443U - A kind of writing on the blackboard acquisition system - Google Patents
A kind of writing on the blackboard acquisition system Download PDFInfo
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- CN208903443U CN208903443U CN201820696271.9U CN201820696271U CN208903443U CN 208903443 U CN208903443 U CN 208903443U CN 201820696271 U CN201820696271 U CN 201820696271U CN 208903443 U CN208903443 U CN 208903443U
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Abstract
This application discloses a kind of writing on the blackboard acquisition systems, including multimedia collection module and multimedia process module, the multimedia collection module is set to the position that can take blackboard region, multimedia collection module and multimedia process module communication connection, multimedia collection module is used to carry out multimedia collection to blackboard region, and the multimedia board letter of acquisition breath is sent to multimedia process module, multimedia process module is used to handle multimedia board letter breath, the multimedia board letter breath that obtains that treated, treated, and multimedia board letter breath can be checked at any time for student, to reduce the burden that student takes notes on classroom, improve efficiency of listening to lecture and learning efficiency.
Description
Technical field
This application involves teaching equipment technical fields, more specifically to a kind of writing on the blackboard acquisition system.
Background technique
Education is exactly that a kind of society that is purposeful, organized, planned, systematically teaching knowledge and technology specification etc. is living
It is dynamic.Education plays suitable important function in society, on the one hand, education is the preparation that everyone lives, it to individual by passing
Culture is passed, helps people to surmount an opinion and goes the intellectual property grasped the experience of forefathers, share mankind's accumulation from generation to generation, obtain independent
The prerequisite of life.On the other hand, it arouses person's force again, cannot improve and reform oneself, to open up human development
Road, establish the basis for moving towards following.
For the individual of school-days, most direct education is exactly school eduaction, i.e., from teacher in classroom to
Scientific and cultural knowledge is taught in life.Currently, common Classroom Teaching is to use chalk-writing writing on the blackboard, student on blackboard by teacher
It takes notes when paying attention to the class.Obviously, this mode has undoubtedly aggravated the classroom burden of student, reduces efficiency of listening to lecture, directly results in
The learning efficiency of student declines.
Utility model content
In view of this, for acquiring teaching board in real time, being looked into for student this application provides a kind of writing on the blackboard acquisition system
It sees, to reduce the burden that student takes notes on classroom, improves efficiency of listening to lecture and learning efficiency.
To achieve the goals above, it is proposed that scheme it is as follows:
A kind of writing on the blackboard acquisition system, comprising: multimedia collection module and multimedia process module, the multimedia collection mould
Block is set to the position that can take blackboard region, and the multimedia process module and the multimedia collection module communication connect
It connects；
The multimedia collection module, for carrying out multimedia collection to blackboard region, and by the multimedia writing on the blackboard of acquisition
Information is sent to the multimedia process module；
The multimedia process module, for handling multimedia board letter breath, more matchmakers that obtain that treated
Body writing on the blackboard information.
Preferably, further includes:
Lamps and lanterns；
The multimedia collection module is embedded in the inside cavity of the lamps and lanterns, the housing surface of the lamps and lanterns and described more
The camera lens corresponding position of media collection module is provided with aperture.
Preferably, the multimedia process module is independently of the lamps and lanterns, the multimedia process module by wired or
Wireless is connect with the multimedia collection module communication；
Or,
The multimedia process module is embedded in the inside cavity of the lamps and lanterns, or is set on the pedestal of the lamps and lanterns.
Preferably, the multimedia collection module includes: camera and shell, and the camera is embedded in the shell
Portion, and the camera lens of camera is placed in the housing outer surface；
One end of the shell has the first power interface, and first power interface is adapted to power port, the shell
The other end of body has second source interface, and the second source interface is adapted to the attaching plug of lamps and lanterns, first power supply
It is electrically connected between interface and the second source interface.
Preferably, the multimedia process module is independently of the multimedia collection module, the multimedia process module
It is connect by wired or wireless form with the multimedia collection module communication；
Or,
The multimedia process module is embedded in the enclosure interior, and the multimedia process module and the camera are logical
News connection.
Preferably, the camera lens adjustable angle of the camera.
Preferably, further includes:
Server-side, the server-side and the multimedia process module communication connection；
The server-side, for receiving the multimedia process module multimedia board letter breath that sends that treated, and
Storage.
Preferably, the server-side is also used to:
Treated the multimedia board letter breath is pushed into live streaming client in the form of live multimedia stream；
And/or
Receiving terminal apparatus sets the read requests of treated described in storage multimedia board letter breath, Xiang Suoshu terminal
Preparation send treated the multimedia board letter breath.
Preferably, further includes:
Dynamic detection module, the dynamic detection module are connect with the multimedia collection module communication；
The dynamic detection module is determining in the blackboard region for carrying out dynamic detection to the blackboard region
There are the multimedia collection module starting is controlled when live animal.
It can be seen from the above technical scheme that writing on the blackboard acquisition system provided by the embodiments of the present application, including multimedia are adopted
Collection module and multimedia process module, the multimedia collection module are set to the position that can take blackboard region, multimedia
Acquisition module and multimedia process module communication connection, multimedia collection module are used to carry out multimedia collection to blackboard region,
And the multimedia board letter of acquisition breath is sent to multimedia process module, multimedia process module is used for multimedia board letter
Breath is handled, the multimedia board letter breath that obtains that treated, and treated, and multimedia board letter breath can be looked at any time for student
It sees, to reduce the burden that student takes notes on classroom, improves efficiency of listening to lecture and learning efficiency.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of writing on the blackboard acquisition system electrical structure schematic diagram disclosed in the embodiment of the present application；
Fig. 2 is another kind writing on the blackboard acquisition system electrical structure schematic diagram disclosed in the embodiment of the present application；
Fig. 3 illustrates the combining structure schematic diagram of a kind of multimedia collection module and lamps and lanterns；
Fig. 4 illustrates the configuration schematic diagram of a kind of multimedia collection module and lamps and lanterns；
Fig. 5 illustrates the first visual angle figure after a kind of multimedia collection module and lamp combination；
Fig. 6 illustrates the second visual angle figure after a kind of multimedia collection module and lamp combination；
Fig. 7 illustrates a kind of side view of multimedia collection module；
Fig. 8 is another writing on the blackboard acquisition system electrical structure schematic diagram disclosed in the embodiment of the present application；
Fig. 9 is another writing on the blackboard acquisition system electrical structure schematic diagram disclosed in the embodiment of the present application；
A kind of classroom schematic diagram of a scenario of Figure 10 example；
Figure 11 is another writing on the blackboard acquisition system electrical structure schematic diagram disclosed in the embodiment of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
In traditional teaching method, chalk-writing writing on the blackboard is used on blackboard by teacher, and be based on traditional instruction.Student needs
While paying attention to the class change record writing on the blackboard, used to review after class etc..This mode undoubtedly aggravated student classroom burden, sometimes because
The content of courses that teacher says is missed to be busy with recording the note, reduces efficiency of listening to lecture.
In order to solve this problem, inventor utilizes touch first it is envisioned that by existing touch screen technology
Screen writes writing on the blackboard by teacher to substitute traditional baking vanish blackboard on the touchscreen, so that electronic equipment is remembered where touch screen
Record the content on touch screen, it is subsequent to be shown to student and other users, thus reduce student take notes on classroom it is negative
Load.
But by making further research discovery to this mode, there are many defects:
1, at high cost.Compared to traditional baking vanish blackboard, the cost of touch screen will be greatly improved, and can not be accomplished comprehensively general
And.
2, power consumption is high.Compared to traditional baking vanish blackboard, touch screen needs external power supply to supply, and large-sized touch screen
Lasting lighting needs very high power consumption.
3, to student eyesight nocuousness.Student stares at touch screen the long period and is easy to damage student eyesight, especially to body
The teenager developed, eyesight influence are extremely serious.
4, installation and deployment are difficult.Traditional baking vanish blackboard is substituted using touch screen, needs to be transformed on a large scale, including old
The dismounting of formula blackboard and circuit modification etc..
Based on the above-mentioned several strip defects enumerated, can not be overcome in the way of solving the problems, such as by touch screen there is also some
The problem of, inventor continues to study thus.In the process, inventor has jumped out existing thinking logic, is different from pair
The transformation of blackboard, inventor provides another solution route, i.e., in the feelings for still retaining traditional baking vanish blackboard record writing on the blackboard
Under condition, multimedia collection and processing equipment are added, it, can be for student, Lao Shicha after being handled to record writing on the blackboard content in real time
It sees, takes notes on classroom without student, can attentively pay attention to the class, substantially increase learning efficiency.
Next, writing on the blackboard acquisition system disclosed in the embodiment of the present application is introduced in conjunction with attached drawing 1, as shown in Figure 1, plate
Book acquisition system includes:
Multimedia collection module 11 and multimedia process module 12, the multimedia collection module 11 are set to and can shoot
To the position in blackboard region, the multimedia process module 12 and 11 communication connection of multimedia collection module.Wherein,
The multimedia collection module 11, for carrying out multimedia collection to blackboard region, and by the multimedia board of acquisition
Letter breath is sent to the multimedia process module 12.
The multimedia process module 12, for handling multimedia board letter breath, it is more to obtain that treated
Media plate letter breath.
Wherein, multimedia collection module 11 includes camera lens, and the multimedia messages in blackboard region are acquired by camera lens, are such as schemed
Picture, video.
Can be by wired form communication connection between multimedia collection module 11 and multimedia process module 12, it can also
To pass through wireless form communication connection, such as bluetooth connection, wifi connection.
Multimedia process module 12 can be image processing engine or video processing engine, adopt to multimedia collection module 11
The multimedia board letter breath of collection is handled, and common such as format conversion, scratches figure, image mosaic at image rectification.Pass through more matchmakers
After body processing module 12 handles multimedia board letter breath, the multimedia board letter breath consulted for user is obtained.
In a kind of optional situation, multimedia process module 12 may include: frame detection module, frame correction module,
Any one or more combinations in stingy module, image mosaic module.Specifically:
Frame detection module, for detecting the frame in the blackboard region in writing on the blackboard image described in every frame.
Wherein, frame detection module can use existing frame detection technique, realize to blackboard region in writing on the blackboard image
Detection.
Frame correction module, the frame for blackboard region described in the writing on the blackboard image described in every frame carry out shape correction.
Specifically, due to the camera of multimedia collection module may not face blackboard region, the writing on the blackboard of shooting
The frame in blackboard region and irregular rectangle in image, therefore can be by frame correction module to blackboard area in writing on the blackboard image
The frame in domain carries out shape correction.
Module is scratched, the region surrounded for the frame after correcting in the writing on the blackboard image described in every frame carries out scratching figure, obtains
The stingy figure image of every frame.
It is understood that the region for only having frame to surround in writing on the blackboard image is only real writing on the blackboard content, therefore can be with
In every frame writing on the blackboard image, the region that the frame after correction surrounds is carried out to scratch figure, obtains the stingy figure image of every frame.
It is understood that the quantity of multimedia collection module 11 may be more than two, each multimedia collection module
The a part in 11 acquisition blackboard regions, the region that multiple multimedia collection modules 11 acquire collectively constitutes complete blackboard region.
Based on this, each multimedia collection module acquires multimedia board letter breath all the way, per multimedia board letter all the way
The time of breath is consistent, and includes multiframe writing on the blackboard image.The application can splice multiway images, complete to obtain
Writing on the blackboard content.The splicing can be realized by image mosaic module, specific as follows:
Image mosaic module, the same time point for being acquired to each multimedia collection module correspond to the stingy figure image of frame into
Row splicing, obtains stitching image.
Multimedia collection module 11 can be set in the position that can take blackboard region, such as be hung on classroom roof
On, alignment lens blackboard region, or other positions that can take blackboard region are set,.
Writing on the blackboard acquisition system provided by the embodiments of the present application, including multimedia collection module and multimedia process module, should
Multimedia collection module is set to the position that can take blackboard region, and multimedia collection module and multimedia process module are logical
News connection, multimedia collection module is used to carry out blackboard region multimedia collection, and the multimedia board letter of acquisition is ceased and is sent out
It send to multimedia process module, multimedia process module is used to handle multimedia board letter breath, and it is more to obtain that treated
Media plate letter breath, treated, and multimedia board letter breath can be checked at any time for student, do on classroom to reduce student
The burden of notes improves efficiency of listening to lecture and learning efficiency.
Optionally, as shown in connection with fig. 2, writing on the blackboard acquisition system disclosed in the embodiment of the present application can also include: dynamic detection
Module 13.
Dynamic detection module 13 and 11 communication connection of multimedia collection module.Dynamic detection module 13, for institute
It states blackboard region and carries out dynamic detection, determining that there are control the multimedia collection module when live animal in the blackboard region
11 startings.
Further, dynamic detection module 13 is when determining that blackboard region maintains setting time length there is no live animal,
It can control the closing of multimedia collection module 11.
It is understood that multimedia collection module 11 opens when writing writing on the blackboard there are active user only in blackboard region
It starts building to be acquired just meaningful.And when live animal is not present in certain time length in blackboard region, it indicates useless
Writing on the blackboard is write at family, be can control the closing of multimedia collection module 11, is stopped acquisition.
Dynamic detection module 13 disclosed in the present embodiment can be realized using existing hardware structure, and light sensor is such as arranged
Or heat sensor comes to shooting area carry out activity analyte detection.Certainly conventional images dynamic detection chip can also be used, according to
Come according to the image that camera is shot to shooting area carry out activity analyte detection.
Further, class period and schedule can also be stored in dynamic detection module 13 in advance by the embodiment of the present application
In, the starting and closing of multimedia collection module 11 are controlled according to class period and schedule by dynamic detection module 13.It can
With understanding, only it is likely to control multimedia collection module 11 with schedule surface school session during class hours and starts.
In another embodiment of the application, in conjunction with attached drawing 3-7, further Jie is done to the writing on the blackboard acquisition system of the application
It continues.
Writing on the blackboard acquisition system disclosed in the embodiment of the present application can also include: lamps and lanterns 14.
Specifically under scene of imparting knowledge to students, lamps and lanterns 14 can be blackboard lights, for illuminating to blackboard region.
As shown in figure 3, being based on the lamps and lanterns 14, multimedia collection module 11 can be embedded in the inside cavity of lamps and lanterns 14, lamp
The housing surface of tool 14 and 111 corresponding position of camera of multimedia collection module 11 are provided with aperture 141.
It is understood that the number of multimedia collection module 11 does not limit, merely illustrates in Fig. 3 and set in lamps and lanterns 14
In addition to this more numbers can also be arranged in the case where setting a multimedia collection module 11.
It should be noted that lamps and lanterns 14 generally have the joint component of the main body and main body both ends of placing luminescence chip, connect
Head part is used for external power supply.Based on this, multimedia collection module 11 can be embedded in the main part of lamps and lanterns 14 in the present embodiment
In the cavity divided, it can also be embedded in the cavity of the joint component of lamps and lanterns 14, specific set-up mode does not limit.Multimedia collection
Module 11 can use the joint component access power supply of lamps and lanterns, without additional transformation circuit.
By 111 corresponding position of camera of housing surface and multimedia collection module 11 in lamps and lanterns 14, aperture is set
141, it is ensured that the camera 111 of multimedia collection module 11 can externally acquire multimedia messages.
Optionally, the adjustable angle of camera 111 of multimedia collection module 11.
It further, can be independently of the lamps and lanterns 14, multimedia process module 12 for multimedia process module 12
Pass through wired or wireless form communication connection between multimedia collection module 11.Show for example, multimedia process module 12 is arranged
In server-side, multimedia collection module 11 and server-side have wired connection or wireless connection.
In another optional situation, multimedia process module 12 can be embedded in the inside cavity of lamps and lanterns 14, or setting
In on the pedestal of lamps and lanterns 14.It is externally invisible when multimedia process module 12 is embedded in the inside cavity of lamps and lanterns 14, in figure not
It shows.
Further, Fig. 4-7 illustrates another optional structure.
Under the exemplary structure of Fig. 4-7, multimedia collection module 11 includes camera 111 and shell 112, camera 111
It is embedded in inside shell 112, and the camera lens of camera 111 is placed in 112 outer surface of shell, to guarantee externally to carry out multimedia
Acquisition.
Optionally, the angle lens of camera 111 are adjustable.
One end of shell 112 has the first power interface 1121, and the first power interface 1121 is adapted to power port, and first
Power interface 1121 can access power port and be powered.
The other end of shell 112 has second source interface (not shown), the electricity of second source interface and lamps and lanterns 14
Source plug 141 is adapted to.The attaching plug 141 of lamps and lanterns 14 is connect with the luminescence chip of lamp interior, for providing power supply for chip.
It is electrically connected between first power interface 1121 and second source interface.Based on this, when the first power interface 1121 and power port
When connection, it is luminescence chip power supply by the attaching plug 141 of second source interface and lamps and lanterns 14, guarantees that lamps and lanterns can normally be sent out
Light.
First power interface 1121 can also be electrically connected with internal camera, to be powered simultaneously to camera.
It is understood that the number of multimedia collection module 11 can be one or two, exemplary in Fig. 4 is two
The case where multimedia collection module 11, i.e. two multimedia collection modules 11, cooperate with two ports of lamps and lanterns respectively.Certainly, originally
Application can also only be arranged a multimedia collection module 11, only with a port of lamps and lanterns 14 cooperate, lamps and lanterns 14 it is another
It a port can direct external power supply.
Further, multimedia process module 12 can be independently of multimedia collection module 11, multimedia process module 12
Pass through wired or wireless form communication connection between multimedia collection module 11.Show for example, multimedia process module 12 is arranged
In server-side, multimedia collection module 11 and server-side have wired connection or wireless connection.
As shown in Figures 6 and 7, when multimedia process module 12 is arranged in server-side, multimedia collection module 11 can lead to
Wired forms are crossed to connect with server-side.Opening is provided in Fig. 6 and Fig. 7 on shell 112, what multimedia collection module 11 connected
Band-like communication line 15 is stretched out from opening, is connect with server-side.
In another optional situation, multimedia process module 12 can be embedded in the inside of shell 112, not show in figure
Out.That is, multimedia process module 12 and camera 111 are embedded in inside shell 112, it therebetween can be with communication connection.
With further reference to shown in Fig. 7, the side of the shell 112 of multimedia collection module 11 is also provided with radiating part
Part 1122, for radiating.
Under the exemplary structure of Fig. 4-7, multimedia collection module 11 and multimedia process module that writing on the blackboard acquisition system includes
12 can use based on the setting of existing lamps and lanterns, and the power supply line of existing lamps and lanterns is made full use of to be powered, without additionally changing
Make circuit.
In another embodiment of the application, as shown in connection with fig. 8, writing on the blackboard acquisition system be may further include: service
End 16.
Server-side 16 and 12 communication connection of multimedia process module.
Server-side 16, for receiving the multimedia process module 12 multimedia board letter breath that sends that treated, and
Storage.
According to above-mentioned introduction it is found that multimedia process module 12 can be set in server-side 16, multimedia process module
12 can also be arranged in lamps and lanterns, and then pass through wired or wireless form communication connection with server-side 16.
Server-side 16 receives multimedia process module 12 and sends treated multimedia board letter breath, is stored.It should
The multimedia board letter breath of storage can be for consulting, calling.
Server-side 16 can be the terminal devices such as PC terminal, server, cloud platform.
Optionally, server-side 16 can be pushed away treated the multimedia board letter breath in the form of live multimedia stream
It send to live streaming client.
That is, server-side 16 in real time will treated multimedia board letter as multimedia collection module 11 acquires in real time
Breath pushes to live streaming client in the form of live multimedia stream, plays writing on the blackboard content in real time so that client is broadcast live.
Further alternative, server-side 16 can be with receiving terminal apparatus to treated described in storage multimedia writing on the blackboard
The read requests of information, Xiang Suoshu terminal device send treated the multimedia board letter breath.
That is, the multimedia board letter that server-side 16 stores is ceased, it is subsequent to be read, be called by terminal device, by
Server-side 16 sends multimedia board letter breath to terminal device.
In another embodiment of the application, the posture for introducing the camera 111 of multimedia collection module 11 was arranged
Journey.
This application provides the modes of the posture of two kinds of cameras 111 setting, respectively as shown in figures 9 and 11.
Combine Fig. 9 that the first set-up mode is introduced first:
The exemplary writing on the blackboard acquisition system of Fig. 9 further comprises: parameter determination module 17.
Parameter determination module 17, for according to top surface on blackboard region height, blackboard region distance and bottom surface distance, it is more
Vertical line distance of the camera of media collection module apart from upper top surface distance and camera apart from plane where blackboard region, determines
Effective acquisition visual angle of the camera and pitch angle, to guarantee that the camera can collect entire blackboard region.
It is understood that in the case where guaranteeing that existing blackboard and lamps and lanterns setting position are not transformed, blackboard region height,
Top surface and bottom surface distance are fixed on blackboard region distance.It is arranged further as multimedia collection module in lamps and lanterns
It is interior, in the case where lamps and lanterns setting position is fixed, the camera of multimedia collection module apart from upper top surface distance and camera away from
It is also fixed with a distance from vertical line from plane where blackboard region.
Parameter determination module 17 determines effective acquisition of the camera by geometrical relationship according to the parameter of above-mentioned fixation
Visual angle and pitch angle, to guarantee that the camera can collect entire blackboard region.
Next illustrate in conjunction with attached drawing 10:
Attached map parameter is introduced first:
Camera apart from upper top surface distance be Vt, vertical line distance of the camera apart from blackboard region place platform is S, blackboard
Top edge apart from upper top surface distance is Bt, blackboard region height is Rl, blackboard lower edge apart from bottom surface distance is Rb, upper top surface
Effectively acquire that visual angle ∠ ρ, (specially camera effectively acquires visual angle to camera pitch angle ∠ β with bottom surface distance H, camera
The angle of coboundary and horizontal plane), the folder of the line of the line of blackboard coboundary to camera and blackboard lower boundary to camera
Angle is defined as writing on the blackboard and effectively acquires the intersection point of plane where visual angle ∠ α, camera effectively acquire visual angle lower boundary and blackboard under
The distance Vb of bottom surface.
Wherein, ∠ ρ and ∠ β is parameter to be determined.
In order to guarantee that camera can collect entire blackboard region, following three condition can be determined:
1)∠ρ≥∠α
Wherein, ∠ α=Arctg ((Rl+Bt-Vt)/S)-Arctg ((Bt-Vt)/S)
Therefore, ∠ ρ >=Arctg ((Rl+Bt-Vt)/S)-Arctg ((Bt-Vt)/S)
2) camera, which effectively acquires visual angle coboundary, cannot be below blackboard coboundary
Meet S*tan ∠ β+Vt≤Bt
That is: ∠ β≤argtan ((Bt-Vt)/S)
3) camera effectively acquires visual angle lower boundary not above blackboard lower boundary:
Vb≤Rb
Vb=H-Vt-S*tan (∠ β+∠ ρ)≤Rb
∠β≥argtan((H-Vt-Rb)/S)-(Arctg((Rl+Bt-Vt)/S)-Arctg((Bt-Vt)/S))
∠β≥argtan((H-Vt-Rb)/S)-(Arctg((Rl+Bt-Vt)/S)+Arctg((Bt-Vt)/S)
To sum up three conditions are it is found that need to meet:
∠ρ≥Arctg((Rl+Bt-Vt)/S)-Arctg((Bt-Vt)/S)
argtan((H-Vt-Rb)/S)-(Arctg((Rl+Bt-Vt)/S)+Arctg((Bt-Vt)/S)≤∠β≤
argtan((Bt-Vt)/S)。
Further, it is introduced in conjunction with 11 pairs of second of set-up modes:
The exemplary writing on the blackboard acquisition system of Figure 11 further comprises: pose adjustment module 18.
Pose adjustment module 18, for controlling the pitch angle for adjusting the camera of the multimedia collection module 11, until
Until 11 acquired image of multimedia collection module includes the frame in complete blackboard region.
Specifically, the available image taken to multimedia collection module 11 of pose adjustment module 18, and then detect
Image whether include complete blackboard region frame.If it is not, then illustrating that multimedia collection module does not take completely
Blackboard region, it is therefore desirable to adjust the pitch angle of camera.Specifically, when lacking blackboard region upper side frame in the image taken
When, then the pitch angle of camera can be turned down；When lacking blackboard region lower frame in the image taken, then can will take the photograph
As the pitch angle of head tunes up.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of writing on the blackboard acquisition system characterized by comprising multimedia collection module and multimedia process module are described more
Media collection module is set to the position that can take blackboard region, the multimedia process module and the multimedia collection
Module communication connection；
The multimedia collection module for carrying out multimedia collection to blackboard region, and the multimedia board letter of acquisition is ceased
It is sent to the multimedia process module；
The multimedia process module, for handling multimedia board letter breath, the multimedia board that obtains that treated
Letter breath.
2. writing on the blackboard acquisition system according to claim 1, which is characterized in that further include:
Lamps and lanterns；
The multimedia collection module is embedded in the inside cavity of the lamps and lanterns, the housing surface of the lamps and lanterns and the multimedia
The camera corresponding position of acquisition module is provided with aperture.
3. writing on the blackboard acquisition system according to claim 2, which is characterized in that the multimedia process module is independently of described
Lamps and lanterns, the multimedia process module are connect by wired or wireless form with the multimedia collection module communication；
Or,
The multimedia process module is embedded in the inside cavity of the lamps and lanterns, or is set on the pedestal of the lamps and lanterns.
4. writing on the blackboard acquisition system according to claim 1, which is characterized in that the multimedia collection module includes: camera shooting
Head and shell, the camera is embedded in the enclosure interior, and the camera lens of camera is placed in the housing outer surface；
One end of the shell has the first power interface, and first power interface is adapted to power port, the shell
The other end has second source interface, and the second source interface is adapted to the attaching plug of lamps and lanterns, first power interface
It is electrically connected between the second source interface.
5. writing on the blackboard acquisition system according to claim 4, which is characterized in that the multimedia process module is independently of described
Multimedia collection module, the multimedia process module are connected by wired or wireless form and the multimedia collection module communication
It connects；
Or,
The multimedia process module is embedded in the enclosure interior, and the multimedia process module and camera communication connect
It connects.
6. writing on the blackboard acquisition system according to claim 2, which is characterized in that the camera lens adjustable angle of the camera.
7. writing on the blackboard acquisition system according to claim 4, which is characterized in that the camera lens adjustable angle of the camera.
8. writing on the blackboard acquisition system according to claim 1-7, which is characterized in that further include:
Server-side, the server-side and the multimedia process module communication connection；
The server-side for receiving the multimedia process module multimedia board letter breath that sends that treated, and stores.
9. writing on the blackboard acquisition system according to claim 8, which is characterized in that the server-side is also used to:
Treated the multimedia board letter breath is pushed into live streaming client in the form of live multimedia stream；
And/or
Read requests of the receiving terminal apparatus to treated described in storage multimedia board letter breath, Xiang Suoshu terminal device hair
Treated described in sending, and multimedia board letter ceases.
10. writing on the blackboard acquisition system according to claim 1-7, which is characterized in that further include:
Dynamic detection module, the dynamic detection module are connect with the multimedia collection module communication；
The dynamic detection module exists for carrying out dynamic detection to the blackboard region determining in the blackboard region
The multimedia collection module starting is controlled when live animal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820696271.9U CN208903443U (en) | 2018-05-10 | 2018-05-10 | A kind of writing on the blackboard acquisition system |
Applications Claiming Priority (1)
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| CN108389438A (en) * | 2018-05-10 | 2018-08-10 | 科大讯飞股份有限公司 | A kind of writing on the blackboard acquisition system |
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