CN110164213A - A kind of multiple terminals distance education and training system based on AI video analysis - Google Patents
A kind of multiple terminals distance education and training system based on AI video analysis Download PDFInfo
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Abstract
The invention discloses a kind of multiple terminals distance education and training system based on artificial intelligence video analysis, which includes three or more terminals, client, Cloud Server, teacher side, management end；Client is mounted on the intelligent terminal with camera function, client is allowed to pass through artificial intelligence video analysis method, whole process is monitored the state of client during client watches video, and carries out objective analysis, to propose personalized study suggestion for client.
Description
Technical field
The present invention relates to artificial intelligence (Artificial Intelligence, AI) and long-distance education fields, in particular to
A kind of multiple terminals distance education and training system based on AI video analysis.
Background technique
Artificial intelligence (AI) achieved significant progress in video analysis field in recent years, so that the view based on artificial intelligence
Frequency analysis technology has been able to obtain quite a few effective information and information preliminary treatment from video.
With the development of internet technology with progress, intelligent terminal it is universal, earth-shaking change has occurred in education sector
Leather, long-distance education become the important way that people obtain knowledge and information, and video classes that are especially real-time or recording have
There is big advantage, do not limited by time and space, substantially increase the upper limit of audient's number, each client can basis
The time of oneself carries out autonomous learning.
The some solutions and system for having existed long-distance education can satisfy the long-distance education demand of a part, but
It is that the prior art remains problems, first problem is vacant lot when teacher is general and student (client) is in different
Domain, teacher can not monitor the state of listening to the teacher of student in real time, can not also be commented according to the feedback of student curriculum quality
Estimate and improve, and number of listening to the teacher is numerous, the workload for carrying out full name monitoring and assessment to each student is huge, can not pass through people
Work solves；Second Problem is that student compares shortcoming self-discipline ability mostly, leaves and is unable to get the problems such as absent-minded solution, make
The efficiency for obtaining video study substantially reduces；Third problem is a lack of effective learning evaluation method, and existing educational system is main
The objective achievement for reflecting teaching by test question fills in subjective scoring to score to course, still by client oneself
Subjective scoring is usually because individual difference has huge error；4th problem is after many video classes are released, not comment
Valence feedback and improvement, a large amount of low quality videos are full of networks, cause information redundancy, client requires a high expenditure of energy to have selected
The course of quality.
Summary of the invention
One or more in order to solve the above problem, present inventors have proposed a kind of new solutions, i.e. this hair
The bright multiple terminals distance education and training system based on AI video analysis.
In one aspect, the present invention provides a kind of multiple terminals distance education and training system based on AI video analysis,
Include:
Three or more terminals can acquire client's wherein the terminal for installing client has camera function
Sound and image；
Client, client are run in the terminal with camera function, are had and are provided register interface for client, log in boundary
Face and login authentication, broadcasting course, the function that AI video analysis is carried out to the video of recording；
Cloud Server, the Cloud Server for receiving and storing the data received, and to various data informations into
Row integrated treatment carries out overall merit to client and curriculum quality；
Teacher side, the teacher side are run on the terminal, and register interface, login interface can be provided for teacher and is stepped on
Record verifying, uploads instructional video, receives the evaluation information of Cloud Server；
Management end, the management end are run on the terminal, can monitor the working condition of Cloud Server, are client
Soft ware authorization, management training coarse video；
The client, teacher side and management end carry out two-way data communication each by network and Cloud Server.
Aforementioned terminals are intelligent terminal with camera function, including laptop, tablet computer and smart phone etc..
The login authentication of aforementioned client realizes that client may include feedback mould by face recognition and/or fingerprint authentication
Block can allow client to feed back course learning, and feedback module includes focus, three features of pleasant degree and learning effect
Amount；Feedback module includes test question, evaluates learning effect by objective test result；Feedback module includes feedback form, is led to
Client is crossed to the subjective answers of feedback form, obtains focus, the subjective assessment score of three characteristic quantities of pleasant degree and learning effect.
Client can obtain the facial information of user, the especially relevant information of eyes based on artificial intelligence, pass through
Frequency of wink, the information such as eye focus position, client and/or Cloud Server can focus to client and the progress of pleasure degree
Analysis, obtains objectively evaluating based on video data.
Client can also carry out image Compression and extract characteristic information, reduce the inter-area traffic interarea to Cloud Server
Amount.This is of great significance in the case where network communication is bad or unstable, the case where can not temporarily connect Cloud Server
Under, client can also store data in terminal, carry out data communication when until Cloud Server can be connected.
Cloud Server includes memory and processor, and memory receives the video data from client, and processor is to view
Frequency obtains absorbed time and the pleasure degree score of user, the score of binding test module will according to artificial intelligence analysis is carried out
This three parameters are compared with the subjective characteristics amount that feedback module provides, by the way that repeatedly learn can be to provide for each client
Unique appraisement system.
The big data that Cloud Server is fed back according to multiple terminals can account for the ratio of viewing number, edge according to absorbed number
Time shaft scores to course, and correlation analysis opinion is supplied to corresponding teacher side.
Multiple terminals distance education and training system based on AI video analysis of the invention has multiple benefit effects:
1. using existing intelligent terminal, compared to the scheme using special equipment and classroom monitoring device, significantly drop
Low cost.
2. the artificial intelligence Video Analysis Technology based on client and Cloud Server carries out just video data in client
Step analysis and compression, reduce the pressure to network transfer speeds, realize to client entire video learning process whole process
Monitoring and analysis.
3. comparing, building by subjective and objective two sets of fractional values based on the long-time cumulative analysis to individual data items
The personalized scoring of vertical client, reduces subjective assessment bring error.
4. by the big data accumulation and analysis of multidigit client commenting for automation can be made to the video of same class
Valence, and by feedback result and suggest feeding back to teacher by teacher side, teacher's progress can be helped, curriculum quality is improved.
5. administrative staff eliminate unqualified curriculum video according to the calculated result of Cloud Server by management end, to client
The higher outstanding video of recommendation score.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of the multiple terminals distance education and training system of the invention based on AI video analysis.
Fig. 2 is the people of the invention based on the multiple terminals distance education and training system of AI video analysis to a section video classes
Work intellectual analysis result.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Herein, " client ", " student ", " user ", have the same meaning, refer both to using of the invention based on AI
The people that the client of the multiple terminals distance education and training system of video analysis is learnt.
Referring to Fig. 1, the present invention provides a kind of multiple terminals distance education and training system based on AI video analysis, packets
It includes:
Three or more terminals can acquire user wherein the terminal for installing client has camera function
Sound and image, three terminals are the theoretical minimums of educational system of the invention, under normal circumstances training system of the invention
System is synchronous to support multiple terminals, at most while supporting to be no more than the online use simultaneously of 1,000,000,000 terminals, terminal can be existing
Intelligent terminal, such as laptop, tablet computer, smart phone, the terminal with camera function can be used as installation client
The terminal at end, all terminals must have a 4GB memory, configuration more than 16GB memory space, there is display screen, it can be achieved that
Stable network connection and data communication；
Client, client are run in the terminal with camera function, are had and are provided register interface for client, log in boundary
Face and login authentication, the function of playing course, carry out AI video analysis to the video of recording, client is by client downloads to terminal
After upper, registered by client, the necessary information of typing, including name on account, login password, fingerprint and face recognition
Information, telephone number, age, grade or educational background, wish the course learnt and direction etc. at profession, select the means of payment, are then
It can be logged in by login interface, then select suitable video classes by retrieval or from recommendation course, playing
During video, the camera of client terminal start-up terminal is recorded a video, and obtains video information of client during listening to the teacher,
Client has feedback module, and the screen analytic function based on artificial intelligence can carry out AI video analysis to video information,
By recording the relative position of pupil, to determine user whether in absorbed viewing video classes, by facial marks point
The expression to judge client is analyzed, records the frequency of wink of client to determine the anxiety degree of client, expression and anxiety degree can
To reflect the pleasant degree of listening to the teacher of client, being artificial intelligence objectively evaluates element to curriculum quality and teaching teachers' level；Instead
Feedback module also has test question, and for objectively reacting effect of giving lessons, feedback module also has feedback form, for allowing client feedback
The subjective assessment score of three focus, pleasure degree and learning effect essential elements of evaluation.
Cloud Server, Cloud Server are completed for receiving and storing the data received, and to various data informations
To the overall merit of teachers ' teaching quality, client's learning effect, and by client and teacher side respectively to client and teacher into
The transmission of row evaluation information；
Teacher side, teacher side are run at the terminal, and register interface, login interface and login authentication can be provided for teacher,
The evaluation information for uploading instructional video, receiving Cloud Server；
Management end, the management end are run on the terminal, can monitor the working condition of Cloud Server, are client
Soft ware authorization, management training coarse video；
Wherein, client, teacher side and management end carry out two-way data communication each by network and Cloud Server.
Multiple terminals distance education and training system based on AI video analysis of the invention includes to client's learning state and right
The two-part assay function of curriculum quality.
To the monitoring of client's learning state mainly by the way that from subjective and objective two angles, to three elements, focus is pleased
Happy degree, learning effect are evaluated；Wherein subjective assessment is obtained by the questionnaire after End-of-Course, the example of questionnaire
Grade form is as follows:
Client includes with hall exercise, and after video classes, student completes within a certain period of time, and system just records this
Secondary course learning terminates.The learning effect of student can be objectively evaluated with the score of hall exercise, such as can be set to 5
Road multiple-choice question, every one point of topic, objective score (C) can be compared with the feedback form score of client, to judge client to itself
The subjective distortion level of the Assessment of Learning Effect.
Client records screen information when client watches video classes by the camera function of terminal, and client has base
In the function of artificial intelligence screen analysis, eye in video information can quickly be analyzed by the neural network via big data training
The focal position of eyeball and direction, and blink comment rate, so that the emotional state to client records, according to psychologic reason
By, frequency of wink increases than usual represents anxiety, in system of the invention, the blink of acquisition client non-period of attending class after login
Frequency one time 1 minute, samples five times, using average value as blink basic value (beat/min), to blinking during the study of entire video
Eye frequency=blink total degree is divided by total duration (minute), objective pleasure degree (B)=5- (during video study frequency of wink/blinks
Eye basic value -1) * 10, the case where pleasant degree round number, pleasant degree is less than 1, is uniformly recorded as 1.Objective focus
(A)=it is rounded (time/screen total duration of eye focus on the screen) * 5.By being divided in client based on artificial intelligence video
Analysis is extracted and is identified to key message, has been greatly reduced the data with Cloud Server transmission, has been reduced the requirement to network.
Client, which also has, prevents absent-minded function, when detect client's expression in the eyes be not focused on video or leave more than one timing
Between, such as 60 seconds, client can automatic pause video playing and prompt can a key return 60 seconds before play position.This time tool
There are 30 seconds default values, client can be adjusted in setting in conjunction with self-demand.
As described above, by objective and subjective two sets of evaluation systems, Cloud Server, can be with according to the information of client transmissions
The study situation of overall merit client.
The Cloud Server of system sees the number that some moment is absorbed in viewing video divided by total according to the data received
It sees that the percentage of number is used as to objectively evaluate instructional video quality.As shown in the example in attached drawing 2, present system pair
Overlay analysis is carried out for the viewing data of a section video classes (python introduction), wherein red frame shows the several of focus
A abnormal period, and intellectual analysis has been carried out after management end carries out desk checking and supplement to result to the variation of data and has been passed through
Teacher side is sent to teacher, with specification video record, improves curriculum quality.
It is the specific example of single client below, which completes python elementary course, totally 6 class.
System of the invention analyzes statistical data, gives the suggestion for the client, and the client is comparatively
It is likely to the subjective focus for having over-evaluated oneself, needs to improve attention；Client's upper class hour is slightly nervous, and frequency of wink is slightly
Height will carry out+1 correction after system to the pleasant degree score of the client other courses automatically；Study of the client for oneself
As a result subjective to have the tendency that excessively optimism, from the angle of objective score, the understanding for needing to reduce oneself subjective determination is pre-
Phase.
In the above example as can be seen that system of the invention is on the basis of being based on artificial intelligence video analysis, to visitor
The process of family study video classes is able to carry out efficient monitoring, and passes through pair of subjective scoring system and objective scoring system
According to making personalized suggestion to client.By the accumulation of big data, it is objective to make to each class of teacher's course
Evaluation can provide relatively accurate suggestion in conjunction with the supplement survey of administrator to improve video classes quality.
The above described specific embodiments of the present invention are not intended to limit the scope of the present invention..Any basis
Any other various changes and modifications that technical concept of the invention is made should be included in the guarantor of the claims in the present invention
It protects in range.
Claims (10)
1. the multiple terminals distance education and training system that one kind is based on artificial intelligence (AI) video analysis characterized by comprising
Three or more terminals can acquire the sound of client wherein the terminal for installing client has camera function
And image；
Client, the client are run on the terminal, are tested with register interface, login interface and login is provided for client
Card, the function of playing course, carry out AI video analysis to the video of recording；
Cloud Server, the Cloud Server carry out various data informations comprehensive for receiving and storing the data received
Conjunction processing carries out overall merit to client and curriculum quality；
Teacher side, the teacher side are run on the terminal, and register interface, login interface and login can be provided for teacher and is tested
Card uploads instructional video, receives the evaluation information of Cloud Server；
Management end, the management end are run on the terminal, can monitor the working condition of Cloud Server, are client software
Authorization, management training coarse video；
The client, teacher side and management end carry out two-way data communication each by network and Cloud Server.
2. the multiple terminals distance education and training system according to claim 1 based on AI video analysis, which is characterized in that institute
Stating the terminal for installing client is the intelligent terminal with camera function, including laptop, tablet computer and intelligence
Mobile phone.
3. the multiple terminals distance education and training system according to claim 1 based on AI video analysis, which is characterized in that institute
The login authentication for stating client is realized by face recognition and/or fingerprint authentication.
4. according to claim 3 based on the multiple terminals distance education and training system of AI video analysis, which is characterized in that described
Client includes that feedback module enables the system to carry out based on artificial intelligence video analysis the course learning of client
Long-term efficient feedback.
5. according to claim 4 based on the multiple terminals distance education and training system of AI video analysis, which is characterized in that described
Feedback module includes focus, three characteristic quantities of pleasant degree and learning effect.
6. according to claim 5 based on the multiple terminals distance education and training system of AI video analysis, which is characterized in that described
Feedback module obtains focus and objectively evaluating for pleasure degree by the facial video information progress artificial intelligence analysis to client
?.
7. according to claim 6 based on the multiple terminals distance education and training system of AI video analysis, which is characterized in that described
Feedback module also includes test question, is used for objective appraisal learning effect.
8. the multiple terminals distance education and training system according to claim 7 based on AI video analysis, which is characterized in that institute
Stating feedback module includes feedback form, by the subjective answers of client, obtains focus, three characteristic quantities of pleasant degree and learning effect
Subjective assessment score.
9. the multiple terminals distance education and training system according to claim 8 based on AI video analysis, which is characterized in that institute
State the data that Cloud Server is fed back according to multiple terminals, can be accounted for according to absorbed number the ratio of viewing number come along time shaft to
Course scoring, and correlation analysis opinion is supplied to corresponding teacher side.
10. the use of the multiple terminals distance education and training system described in any one of claims 1 to 9 based on AI video analysis
Method characterized by comprising
Video is simultaneously uploaded to Cloud Server by teacher side by S1, teacher's recorded video,
S2, management end are checked and are verified to the video of giving lessons for uploading to Cloud Server, and reaching can be in client after standard
Display；
S3, client are logged in by client, after verifying, start to learn, client synchronization records client's by recording a video
Learning state, client completes to carry out objective feedback by test question after learning, and is given a mark by subjective scoring system, completes to learn
It practises；
S4, Cloud Server carry out the video analysis based on AI according to the information that client uploads, and complete attention rate and pleasure degree
Scoring, according to big data, makes the scoring dependent on the time to course, and result is sent out after accumulating sufficient number of scoring
It is sent to teacher side.
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Cited By (10)
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| CN111510659A (en) * | 2020-03-25 | 2020-08-07 | 北京大米科技有限公司 | Online interaction method and device, storage medium and electronic equipment |
| CN111787344A (en) * | 2020-07-06 | 2020-10-16 | 腾讯科技（深圳）有限公司 | Multimedia interaction method and related equipment |
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