CN109637207A - A kind of preschool education interactive teaching device and teaching method - Google Patents
A kind of preschool education interactive teaching device and teaching method Download PDFInfo
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- CN109637207A CN109637207A CN201811424917.9A CN201811424917A CN109637207A CN 109637207 A CN109637207 A CN 109637207A CN 201811424917 A CN201811424917 A CN 201811424917A CN 109637207 A CN109637207 A CN 109637207A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention discloses a kind of preschool education interactive education systems, including camera, facial information to obtain module, matching module, problem grading module, scene image and obtain module, cartoon making module, display image collection module and display screen；The preschool education interactive education system further includes Cloud Server, and multiple actual scene acquisition device in different scenes are set, the multiple actual scene acquisition device and Cloud Server communicate to connect, and the Cloud Server also obtains module communication connection with scene image.The beneficial effects of the present invention are: (1) can preferably identify the point of interest of child user；(2) scene and child user that can be chosen according to the point of interest of child user in reality carry out real-time interactive.
Description
Technical field
The present invention relates to teaching field, it is specifically related to a kind of preschool education interactive teaching device and teaching method.
Background technique
Preschool education is the topic that everybody is concerned about very much, how to allow children are happy healthily to learn and grow up, is always big
The target that family is pursued.It is well known that preschool education has the important feature of itself, children are born in day and have strongly to this world
Curiosity, they thirst for exploring and understand this world, and understand and recognize this world by the Exploratory behavior of oneself.Together
When, for children, interest is exactly power, has keen interest that will actively go to pursue and explore, and produce in study
Raw pleasant emotional experience.Therefore happy loose psychological environment how is created, keeps and continue to develop the curiosity of children, such as
The curiosity of what respect children, the interest selection of respect children, and children are excited to the interest of study, it is always what we made great efforts
Target and direction.Preschool education is the basis of basic education, is the starting of life-education, is provided to the development of children from now on
" keynote ".
However existing preschool education system is generally only that children are carried out with the single training of knowledge figure or speech training, it is past
Toward only enumerating simple content to children, without the point of interest and interaction quality of consideration children.
Summary of the invention
It is an object of the present invention to provide a kind of preschool education interactive teaching device and teaching methods, make it possible to root
Material is acquired in real time according to the interest of children carries out comprehensive Cognitive education.
Specifically, the present invention is achieved through the following technical solutions:
A kind of preschool education interactive education system, the system comprises camera, facial informations to obtain module, matching module, asks
Topic grading module, scene image obtain module, cartoon making module, display image collection module and display screen, wherein camera shooting
Head obtains module communication connection with facial information, and facial information obtains module, matching module, problem grading module and scene image
It obtains module to be sequentially connected, and scene image obtains module and also connect with display screen, the cartoon making module and display are schemed
As obtaining module connection, the display image collection module connect with display screen, the cartoon making module also directly with display
Screen connection, for sending the animation made to display screen.The preschool education interactive education system further includes Cloud Server, with
And multiple actual scene acquisition device in different scenes are set, the multiple actual scene acquisition device and Cloud Server are logical
Letter connection, the Cloud Server also obtain module communication connection with scene image.
A kind of preschool education interactive teaching method uses preschool education interactive education system above-mentioned, which comprises
S1: facial information obtains the face feature information that module obtains characterization active user's age bracket of camera shooting；
S2: the face feature information that will acquire described in matching module acquisition is matched with default children's face feature information；Institute
Stating face feature information includes at least one of skin condition, face ratio, shape of face feature, for determining the age model of children
It encloses；
S3: problem grades module according to the child age range matched, obtains the personal feature collection of current child user；
S4: problem grading module obtains the grading problem for matching the personal feature collection, the answer according to children to grading problem
It determines the focus information of active user, including point of interest and is good at a little and knowledge not foot point；
S5: scene image obtains module and is graded the focus information of module output according to problem, transfers from Cloud Server and institute
The corresponding scene of focus information is stated, scene image obtains module and is used for the predetermined scene stored in computer and passes through
The real-time scene of the Internet transmission projects in display screen, forms the teaching environment of virtual reality；
S6: display image collection module obtains the interaction scenarios image data in current display screen；
S7: display image collection module is based on the target object and generates content of courses text information, the interaction scenarios image
Data by according to the point of interest of active user and be good at a little and knowledge foot point is not determined；
S8: cartoon making module obtains the original image in display screen；
S9: cartoon making module carries out contour detecting and extraction to the original image by deep learning, by the original graph
Piece is divided into multiple picture blocks, to each picture block, matches different colours, generates the picture block of multiple and different colors；Determine each figure
The color gamut of tile；
S10: cartoon making module makes position material according to the content identified；
S11: cartoon making module extracts prefabricated animation according to the content identified from animation library；
S12: the material of the production is assigned to the corresponding position of prefabricated animation by cartoon making module, to ensure that gained is institute
It draws；
S13: cartoon making module shows finally formed intelligent animation back to screen.
Preferably, in S2, if the shape of face that shape of face feature includes in the face feature information that matching module is got is most wide
The distance at place is less than or equal to 10cm, and cheekbone shade is less than or equal to 4 square centimeters；The humidity of skin value that skin condition includes is big
In or equal to 35；The maximum value for the face spacing that face ratio includes is less than or equal to 4cm, it is determined that the facial characteristics got
The matching of information and default children's face feature information is correct.
Preferably, the S4 includes:
The problems in age bracket children's exam pool is randomly choosed from problem base according to child age range to put question to user,
Expressive features when according to user's answer accuracy and answer, determine the focus of user.
Preferably, the S5 includes:
Scene image obtains the interest point information that module receives user, and interest point information is classified, and obtains sorted
To information be sent to Cloud Server, Cloud Server, which is sent according to information to corresponding real-time scene acquisition device, to be known
It does not instruct, determines whether to identify point of interest object by corresponding real-time scene acquisition device, if so, will corresponding real-time field
Picture in scape acquisition device is obtained.
Preferably, the S7 includes:
Display image collection module parses interaction scenarios image data, object image information is therefrom extracted, for quilt
Whether extraction object, which can be used in progress language teaching, is judged, wherein if what is extracted is extracted object in corresponding children
In the syllabus of user, it is determined that the extract physical efficiency is enough in carry out language teaching.
Preferably, in S9, after the color gamut of each picture block of the determination, the method also includes:
The corresponding picture block of each picture block is output on display screen, and receives the instruction of child user, according to child user
Instruction retains a picture block for each picture block；
All picture blocks that user retains are combined and are output on display screen.
Preferably, the S10 includes:
Picture is narrowed down to the size of 6x6, in total 36 pixels, to remove the details of picture, only retain structure, light and shade and its
His essential information, abandons different sizes, ratio bring picture difference；32x32 size picture is backed up simultaneously, in total 1024 pictures
Element, for extracting picture pixels information；
Storage each position of animation takes color position information, and the picture for being originally used for comparing is narrowed down to 32x32 Pixel Dimensions, is being schemed
The identical movable position of on piece takes five pixel coordinates, and four are maximum — that is, angular coordinate and a median up and down；
With this five values from value pixel value in the 32x32 size picture of the backup, annular graduated colors make corresponding position
Material.
Preferably, the preschool education interactive education system further includes voice acquisition device, the method also includes:
S14: children's classroom interaction frequency that the multiple voice acquisition devices of Cloud Server real-time reception obtain simultaneously records；
S15: the Cloud Server calculates the average volume size in interaction time by the voice messaging of statistics access, according to institute
State aggressiveness level and record that average volume size determines classroom children；
S16: the Cloud Server extracts the voice mood of each face in the classroom video information by speech recognition algorithm
Characteristic information, and match cognization is carried out to the voice mood characteristic information according to default voice mood characteristic parameter, determine children
Emotional state and absorbed state of the youngster in classroom.
Preferably, the preschool education interactive education system further includes order sending device, in S7, it is being based on the target
After object generates content of courses text information, further includes:
S71: the instruction of order sending device sending action posture and voice messaging；
S72: order sending device obtains the motion information that corresponding each skeleton point is instructed with action, and passes through camera shooting
Head is acquired real-time body's operation information, and the motion information of each skeleton point is sent to the server end；
S73: the server end parses the motion information of each skeleton point, generates the limb motion line of user
Journey is searched in the related information table of pre-generated movement thread and limb action and is matched and the limb motion thread phase of user
Corresponding limb action, and control and execute display on the virtual portrait of the mutual education project interface of the terminal presentation facility
The limb action；
The S73 includes:
S731: Cloud Server is pre-configured with the related information table for generating movement thread and limb action；
S732: Cloud Server parses the motion information of each skeleton point, obtains each bone in three-dimensional system of coordinate
Displacement of the bone point in x-axis, y-axis and z-axis generates the limb motion thread of user according to the displacement information of each skeleton point；
S733: Cloud Server is searched in the related information table of pre-generated movement thread and limb action to be matched with user's
The corresponding limb action of limb motion thread；
S734: Cloud Server judges that matching limbs corresponding with the limb motion thread of user are searched in related information table to be moved
Whether succeed；If so, control executes on the virtual portrait in the display screen shows the limb action；If it is not, then
The limb motion thread is parsed, determines the limb motion content of user, forms limb action, and is continued to execute described
Control is executing the step of showing the limb action on the virtual portrait in the display screen, the limb motion content includes
Skeleton point moving direction and moving displacement.
The beneficial effects of the present invention are: (1) can preferably identify the point of interest of child user；It (2) can be according to children
The point of interest of user chooses scene and child user progress real-time interactive in reality.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of preschool education interactive education system structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of preschool education interactive teaching method schematic diagram that first embodiment of the invention provides；
Fig. 3 is a kind of preschool education interactive teaching method schematic diagram that second embodiment of the invention provides；
Fig. 4 is a kind of preschool education interactive teaching method schematic diagram that third embodiment of the invention provides.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
It is only to be not intended to limit the invention merely for for the purpose of describing particular embodiments in terminology used in the present invention.
It is also intended in the present invention and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the present invention
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the scope of the invention, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
The present invention will be described in detail by way of examples below.
A kind of preschool education interactive education system, the system comprises camera, facial informations to obtain module, matching mould
Block, problem grading module, scene image obtain module, cartoon making module, display image collection module and display screen,
In, camera and facial information obtain module communication connection, facial information obtain module, matching module, problem grading module and
Scene image obtains module and is sequentially connected, and scene image obtains module and also connect with display screen, the cartoon making module
It is connect with display image collection module, the display image collection module is connect with display screen, and the cartoon making module is also straight
It connects and is connect with display screen, for sending the animation made to display screen.The preschool education interactive education system further includes cloud
Server, and the multiple actual scene acquisition device being arranged in different scenes, the multiple actual scene acquisition device with
Cloud Server communication connection, the Cloud Server also obtain module communication connection with scene image.Herein described communication connection
Including wireless connection and wired connection.
A kind of preschool education interactive teaching method, using preschool education interactive education system above-mentioned, as shown in Fig. 2, institute
The method of stating includes:
S1: facial information obtains the face feature information that module obtains characterization active user's age bracket of camera shooting；
S2: the face feature information that will acquire described in matching module acquisition is matched with default children's face feature information；
The face feature information includes at least one of skin condition, face ratio, shape of face feature, for determining children's
The range of age.
For example, facial information acquisition module can be using camera as facial image acquisition device.Determining that active user need to
When wanting teaching of use interactive device, facial information, which obtains module, can indicate that camera is opened, and acquire characterization active user year
The facial image information of age section, for example, the distance of shape of face the widest part of acquisition active user, humidity of skin value, face spacing, face
Then the information extracted is formed face feature information by the information such as the color difference of portion's skin.
S3: problem grades module according to the child age range matched, obtains the personal feature collection of current child user；
The face feature information that matching module will acquire is matched with default children's face feature information.
For example, can store default children's face feature information in terminal when initialization, default children's facial characteristics
Information describes the facial characteristics of child user.
Facial information obtains the skin condition for including in the face feature information that module can will acquire, face ratio, face
The information such as type feature are matched with default children's face feature information.
Further, if shape of face the widest part that shape of face feature includes in the face feature information that matching module is got away from
From 10cm is less than or equal to, cheekbone shade is less than or equal to 4 square centimeters；The humidity of skin value that skin condition includes is greater than or waits
In 35；The maximum value for the face spacing that face ratio includes is less than or equal to 4cm, it is determined that the face feature information that gets with
The matching of default children's face feature information is correct.And according to the distance of shape of face the widest part, cheekbone shade, skin condition and five
The synthesis table of comparisons of official's ratio, determines the range of age of active user.The comprehensive table of comparisons is to be set in advance in matching module
In table, for the table of comparisons of the error rate that is obtained by multiple statistical test within a preset range.
S4: problem grades module according to the child age range matched, obtains the personal feature collection of current child user.
Described problem grading module obtains the grading problem for matching the personal feature collection, according to children to grading problem
Reply the focus information for determining active user；
The problems in age bracket children's exam pool is randomly choosed from problem base according to child age range to put question to user,
Expressive features when according to user's answer accuracy and answer, determine the focus of user.
Wherein, expressive features are compared with database Plays template, obtain it is happy, impatient, feel uncertain, be disappointed, is tired
Labor, excitement, expectation, anger or dislike expression, complete Expression analysis.
Expression data is analyzed by Expression Recognition algorithm, it includes following for generating emotional state information corresponding with expression data
Step:
S41: image preprocessing is carried out to expression data using gray level image histogram equalization method；
S42: recognition of face is carried out to the expression data after image preprocessing using recognition of face classifier, generates face area
Domain；
S43: expression is extracted from human face region by LDA (Latent Dirichlet Allocation) feature extraction algorithm
Feature；
S44: expression classification is carried out to expressive features using support vector machines, obtains sorted human face expression；
S45: identifying sorted human face expression, generates emotional state information corresponding with human face expression.
Herein, personal feature collection is the set of one or more personal feature, and every personal feature is for describing children
The Xiang Tezheng (for example, age, learning experiences, interest deviation etc.) of user, these features can be used further according to children
The identity information at family obtains, for example, being determined in the city according to the location information in city where child age range and children
Children's study undergoes average sample, the basic personal feature as the child user.For example, problem grading module obtains children
The range of age be 5 ~ 8 years old, and be located in the city B, A state, then (or grade module with problem according to being stored in problem grading module
By the database of networking relationships) in the children for learning experience average sample in the city B, A state determine that the range of age is 5 ~ 8 years old youngster
Child usually has been able to identify general daily necessity, and since the city B is coastal cities, children are generally to seas such as fish
Foreign biology possesses higher interest, then problem grading module, which will be exported, relevant to marine organisms meets 5 ~ 8 years old children's difficulty
The problem of topic is matched as the personal feature collection with current child user is putd question to, and the answer of root child user is correct
Rate, in real time amendment are stored in the children for learning in problem grading module (or database with problem grading module by networking relationships)
Undergo average sample.
The grading problem of matching child user personal feature collection is obtained, and according to the personal feature collection of child user with multimode
State output mode exports grading problem to child user.Then the response for obtaining child user for grading problem inputs；Root
The ability grade for determining child user is inputted according to response；Behavior of the ability grade configuration pin to child user based on child user
Output information.Finally, carrying out multi-modal output using behavior output information later with child user interactive process.
Since the multi-modal output carried out for child user is Behavior-based control output information, and behavior output information
Configuration is the ability grade according to child user itself.Therefore, described problem grading module may be implemented matching children individual's
The interaction output of ability grade, so that interactive teaching device can provide in educational applications scene more meets children's self-growth
Educational counseling content, realize the educational pattern taught students in accordance with their aptitude.Compared to the prior art, according to the method for the present invention, not only greatly
User experience of the interactive teaching device in the human-computer interaction process with children is improved greatly, and effectively increases the religion of teaching
Learn quality.
Problem grading module obtains the grading problem for matching the personal feature collection, the answer according to children to grading problem
It determines the focus information of active user, including point of interest and is good at a little and knowledge not foot point.For example, for 5 ~ 8 years old A
The problem of state city B children carry out the enquirement of the problem of marine organisms correlation, pass through different type, judges that the answer of children is correct
Rate constantly corrects the content set a question according to history answer accuracy, until children answer accuracy stablize after certain level,
It then determines that the problem after the answer accuracy of children is stablized is the interested problem of children, that is, the focus of active user has been determined
Information.
S5: scene image obtains module according to the focus information of problem grading module output, transfers from Cloud Server
Scene corresponding with the focus information, scene image obtain module for will the predetermined scene that be stored in computer and
It is projected in display screen by the real-time scene of the Internet transmission, forms the teaching environment of virtual reality.
Further, the scene image obtains module and is used for the predetermined scene stored in computer and passes through interconnection
The real-time scene of net transmission projects in display screen, forms the teaching environment of virtual reality, comprising:
Scene image obtains the interest point information that module receives user, and interest point information is classified, and obtains sorted
To information be sent to Cloud Server, Cloud Server, which is sent according to information to corresponding real-time scene acquisition device, to be known
It does not instruct, determines whether to identify point of interest object by corresponding real-time scene acquisition device, if so, will corresponding real-time field
Picture in scape acquisition device is obtained.
For example, multiple real-time scene acquisition device respectively correspond zoo, botanical garden and aquarium, when scene image obtains
When the interest point information of module reception user is " green turtle ", scene image obtains module and interest point information is classified, and obtains
Information be " marine organisms ", then send Cloud Server, Cloud Server root for information as " marine organisms "
Identification instruction is sent to the corresponding real-time scene acquisition device that aquarium is arranged according to information, is arranged in aquarium
Real-time scene acquisition device just automatically begins to analyze the image that it shoots, and judges in the image of shooting with the presence or absence of emerging
Interest point object " green turtle ", if so, the picture in corresponding real-time scene acquisition device is obtained.The acquisition, it is meant that right
The image taken carries out real-time Transmission to Cloud Server.
In this manner, all real-time scene acquisition device need not be all sent in real time scene image by Cloud Server
Module is obtained, saves Internet resources, and in real-time scene acquisition device, it is only necessary to storage and real-time scene acquisition device
The identification signal of the point of interest object of corresponding scene.
Scene image obtain module be used for by the predetermined scene stored in computer and (or) pass through the Internet transmission
Real-time scene project in display screen, form the teaching environment of virtual reality.For example, can be from existing video, Huo Zhecong
Online collection associated video is interconnected, or obtains associated video by the way of pre-production video, and associated video is stored
Into computer, video can be called from computer when needed, creates the teaching environment of virtual reality.The interconnection
The real-time scene of net transmission is obtained by actual scene acquisition device.
The display screen can further be replaced with display and touch device can be the terminal device with touch screen,
Such as PAD, mobile phone, laptop etc. have the terminal called equipment of touch screen.The display and touch device can pass through
Wired or wireless mode is connect with computer installation, preferential by the way of being wirelessly connected.Touch screen itself can receive meter
The scenic picture of calculation machine device setting shows the pictorial information of scene, and for that will grasp from the touch-control of display and touch device
Computer installation is passed to, is interacted with computer installation.Scene image obtains module in addition to according to problem grading module
The focus information of output, from being transferred except scene corresponding with the focus information in Cloud Server, children can lead to
It crosses display and touch device understands and learns the content of conventional study module, interest selecting module, and for passing through display and touching
Control device customizes the individual demand project of oneself by personalized customization module.For example, when carrying out interest selection, children
Music in interest selecting module, dancing, literature, sport, science, craft, animal, plant etc. multiple submodule can be passed through
To select oneself interested subject.Like marine organisms, such as the children of green turtle, green turtle can be searched in animal submodule,
Children be used for green turtle item browse now deposit in the entry about the basic knowledge including picture of green turtle, video and
Simple animation and knowledge question etc..Topic that children can be arranged by mode gradually deepening is gradually in depth compared with green turtle
Relevant knowledge.In addition, children can also make full use of the camera shooting head controlling device in system, bargaining units, such as sea are transferred
The daily life and habit of green turtle are observed to outdoor scene and understood to video monitoring apparatus in the green turtle shop in foreign shop.If child wants
Further understand and seek sense of participation, then can enter personalized customization module, found the account of oneself, and issues demand letter
Breath, administrator understands process demand information, and demand information is pushed to corresponding bargaining units, farthest meets children's
Individual demand excites the interest of children, promotes child on long-term and constantly pays close attention to green turtle, obtains comprehensive and deep knowledge.
The actual scene acquisition device is used to control the operation and signal transmission of predetermined camera, and for passing through net
The public camera resource of the society of network and bargaining units and personal camera resource connect.Head controlling device is imaged to be used for outdoor scene
Transmission of video can browse in display and touch device into system for children, or personalized customization module is needed
To computer, children's observation, practice and research for predetermined personalized customization service use transmission of video.Outdoor scene can also be regarded
Frequency is transferred in computer, is used for scene constructing device.Associated video data can be passed to scene image and obtained by computer
Modulus block is participated in for children for learning and interaction.For example, children issue outdoor scene view in conventional study module, interest rotary module
Frequency is requested, and system will connect correlation and open video equipment, and real scene video data are transmitted to computer and display and touch-control
In device, watched for children.If not including the content of children's request in open real scene video, system manager will root
It is matched according to existing resource, is communicated with bargaining units, open source meets children's demand.If children are in personalized customization
Corresponding demand is proposed in service, then system manager will be pushed to related needs bargaining units, then bargaining units can and
The children of proposition demand formulate feasible personalized service content jointly, utmostly meet the individual demand of children.It is being
In system, children can give more sustained attention the individual project of oneself in the terminal of oneself, and children can will be all or part of interesting
Video storage on computer.
S6: display image collection module obtains the interaction scenarios image data in current display screen.
S7: display image collection module is based on the target object and generates content of courses text information, the interaction scenarios
Image data by according to the point of interest of active user and be good at a little and knowledge foot point is not determined.
For example, as not ensuring that centainly will appear children in real-time scene acquired in actual scene acquisition device uses
The interested article in family, such as it is green turtle that children are interested, when the interaction scenarios image in display screen is with water plant, fish
When the image of the contents such as class, green turtle, cobble, display image collection module then carries out the interaction scenarios image data in display screen
After acquisition, then to " green turtle ", this target object identifies emphasis, after recognizing " green turtle " this target object, then aobvious
The text prompt that " we draw green turtle together " is generated in display screen, attracts child user to paint green turtle.If in display screen
When interaction scenarios image does not include green turtle, then re-calls new actual scene acquisition device and identified.
Further, the display image collection module parses interaction scenarios image data, therefrom extracts object
Body image information, for be extracted object whether can be used in carry out language teaching judge, wherein exist if being extracted object
In the syllabus of corresponding child user, it is determined that the extract physical efficiency is enough in carry out language teaching.
For example, there is the objects such as seaweed, coral, rock, the display figure toward contact in a scene with green turtle
Interaction scenarios image data is parsed as obtaining module, therefrom extracts the image information of seaweed, coral, rock, and root
Determined according to age of user, user in the corresponding syllabus of current age, should or have been able to understanding seaweed,
Basic ocean object as rock, but be not required in syllabus children and can identify that complexity ocean as coral is raw
Object, it is determined that extract physical efficiency as the seaweed, rock is enough in carry out language teaching.
S8: cartoon making module obtains the original image in display screen；
It include the picture of " green turtle " this target object.
S9: cartoon making module carries out contour detecting and extraction to the original image by deep learning, by the original
Beginning picture is divided into multiple picture blocks, to each picture block, matches different colours, generates the picture block of multiple and different colors；It determines every
The color gamut of a picture block.
Specifically, the corresponding picture block of each picture block is output on display screen by cartoon making module, and receive children's use
The instruction at family retains a picture block for each picture block according to the instruction of child user；And all picture blocks for retaining user
It is combined and is output on display screen.
S10: cartoon making module makes position material according to the content identified.
Specifically, picture to be narrowed down to the size of 6x6,36 pixels only retain knot to remove the details of picture in total
Structure, light and shade and other essential informations abandon different sizes, ratio bring picture difference；32x32 size picture is backed up simultaneously,
1024 pixels in total, for extracting picture pixels information；
Storage each position of animation takes color position information, and the picture for being originally used for comparing is narrowed down to 32x32 Pixel Dimensions, is being schemed
The identical movable position of on piece takes five pixel coordinates, and four are maximum — that is, angular coordinate and a median up and down；
With this five values from value pixel value in the 32x32 size picture of the backup, annular graduated colors make corresponding position
Material, the corresponding position material, the i.e. highest material of color compatible degree with the position, specifically, each portion can be directed to
The color of position, circulation compatible degree compared with each material in Materials Library, taking the maximum material of compatible degree is the correspondence at the position
Position material.
S11: cartoon making module extracts prefabricated animation according to the content identified from animation library.For example, when identification
Out after " green turtle ", i.e., the animation of " green turtle " is transferred from the preset animation library of cartoon making module, increase interest and entertainment.
S12: the material of the production is assigned to the corresponding position of prefabricated animation by cartoon making module, with ensure gained be
It is drawn.
S13: cartoon making module shows finally formed intelligent animation back to screen.
Further, the preschool education interactive education system further includes voice acquisition device, the method also includes:
S14: children's classroom interaction frequency that the multiple voice acquisition devices of Cloud Server real-time reception obtain simultaneously records.
S15: the Cloud Server calculates the average volume size in interaction time by the voice messaging of statistics access, according to
The aggressiveness level and record of classroom children are determined according to the average volume size；
S16: the Cloud Server extracts the voice mood of each face in the classroom video information by speech recognition algorithm
Characteristic information, and match cognization is carried out to the voice mood characteristic information according to default voice mood characteristic parameter, determine children
Emotional state and absorbed state of the youngster in classroom.
The voice mood characteristic recognition method, specifically includes the following steps:
(a) some sound for respectively corresponding the different conditions such as happiness, anger, sorrow, normal are specially recorded by tester in advance, and to this
A little voice signals carry out feature extraction and analysis, sound corpus are established, included by the voice signal by sound corpus
The attributes such as voice and its pitch, establish speech model.
(b) voice of voice acquisition device acquisition student is chosen its in interactive process according to the demand of Cloud Server and is wanted
The period of understanding carries out sample detecting.
(c) the pitch attribute of voice to be detected is extracted, input speech model is differentiated.Sound differentiate type include happiness,
Anger, sorrow, normal four kinds of classification.
Further, the preschool education interactive education system further includes order sending device, is being based on the object
After body generates content of courses text information, as shown in Figure 3, further includes:
S71: order sending device is instructed to child user sending action posture and voice messaging；
S72: what the acquisition of order sending device prestored instructs the motion information of corresponding each skeleton point with action, and leads to
It crosses camera to be acquired real-time body's operation information, and the motion information of each skeleton point is sent to the cloud service
Device；
S73: the Cloud Server parses the motion information of each skeleton point, generates the limb motion line of user
Journey is searched in the related information table of pre-generated movement thread and limb action and is matched and the limb motion thread phase of user
Corresponding limb action, and control and execute display on the virtual portrait of the mutual education project interface of the terminal presentation facility
The limb action.
Specifically, as shown in figure 4, the S73 includes:
S731: Cloud Server is pre-configured with the related information table for generating movement thread and limb action.
The movement thread is to be located at different location points by each skeleton point to be formed, the limb action include jump,
Squat down, lift the right hand, lift left hand, both hands forward, both hands backward, slide, lean to one side, left foot lifts, right crus of diaphragm lifts, both feet are parallel separates
It is separately acted with front and back foot；
S732: Cloud Server parses the motion information of each skeleton point, obtains each bone in three-dimensional system of coordinate
Displacement of the bone point in x-axis, y-axis and z-axis generates the limb motion thread of user according to the displacement information of each skeleton point.
S733: Cloud Server is searched in the related information table of pre-generated movement thread and limb action to be matched and uses
The corresponding limb action of limb motion thread at family.
S734: Cloud Server, which judges to search in related information table, matches limb corresponding with the limb motion thread of user
Whether body movement succeeds；If so, control executes on the virtual portrait in the display screen shows the limb action；If
It is no, then the limb motion thread is parsed, determine the limb motion content of user, forms limb action, and continue to hold
The row control is the step of executing the display limb action on the virtual portrait in the display screen, in the limb motion
Hold includes skeleton point moving direction and moving displacement.
For example, preschool education interactive education system generates the virtual portrait of children on a display screen, and issue voice command
" a little turtle feeding please be give ", and virtual " green turtle food " is shown in a certain position of display screen, this requires that child user carries out
Limb activity executes " taking food " and " feeding " two movements, and order sending device, camera and Cloud Server are according to aforementioned
The step of S71 ~ S73, analyzes the movement of children, and the virtual portrait in display screen is executed according to the movement of children
Respective action further increases the interactivity and interest of preschool education interactive education system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of preschool education interactive education system, which is characterized in that the system comprises camera, facial informations to obtain mould
Block, matching module, problem grading module, scene image obtain module, cartoon making module, display image collection module and show
Display screen, wherein camera and facial information obtain module communication connection, and facial information obtains module, matching module, problem grading
Module and scene image obtain module and are sequentially connected, and scene image obtains module and also connect with display screen, the animation system
Make module to connect with display image collection module, the display image collection module is connect with display screen, the cartoon making mould
Block is also directly connect with display screen, for sending the animation made to display screen；The preschool education interactive education system is also
Including Cloud Server, and the multiple actual scene acquisition device being arranged in different scenes, the multiple actual scene obtain
Device and Cloud Server communicate to connect, and the Cloud Server also obtains module communication connection with scene image.
2. a kind of preschool education interactive teaching method uses preschool education interactive education system described in claim 1, feature
It is, which comprises
S1: facial information obtains the face feature information that module obtains characterization active user's age bracket of camera shooting；
S2: the face feature information that will acquire described in matching module acquisition is matched with default children's face feature information；Institute
Stating face feature information includes at least one of skin condition, face ratio, shape of face feature, for determining the age model of children
It encloses；
S3: problem grades module according to the child age range matched, obtains the personal feature collection of current child user；
S4: problem grading module obtains the grading problem for matching the personal feature collection, the answer according to children to grading problem
It determines the focus information of active user, including point of interest and is good at a little and knowledge not foot point；
S5: scene image obtains module and is graded the focus information of module output according to problem, transfers from Cloud Server and institute
The corresponding scene of focus information is stated, scene image obtains module and is used for the predetermined scene stored in computer and passes through
The real-time scene of the Internet transmission projects in display screen, forms the teaching environment of virtual reality；
S6: display image collection module obtains the interaction scenarios image data in current display screen；
S7: display image collection module is based on the target object and generates content of courses text information, the interaction scenarios image
Data by according to the point of interest of active user and be good at a little and knowledge foot point is not determined；
S8: cartoon making module obtains the original image in display screen；
S9: cartoon making module carries out contour detecting and extraction to the original image by deep learning, by the original graph
Piece is divided into multiple picture blocks, to each picture block, matches different colours, generates the picture block of multiple and different colors；Determine each figure
The color gamut of tile；
S10: cartoon making module makes position material according to the content identified；
S11: cartoon making module extracts prefabricated animation according to the content identified from animation library；
S12: the material of the production is assigned to the corresponding position of prefabricated animation by cartoon making module, to ensure that gained is institute
It draws；
S13: cartoon making module shows finally formed intelligent animation back to screen.
3. the interactive teaching method of preschool education according to claim 2, which is characterized in that in S2, if matching module
The distance of shape of face the widest part that shape of face feature includes in the face feature information got is less than or equal to 10cm, and cheekbone shade is small
In or equal to 4 square centimeters；The humidity of skin value that skin condition includes is greater than or equal to 35；The face spacing that face ratio includes
Maximum value be less than or equal to 4cm, it is determined that the matching of the face feature information that gets and default children's face feature information
Correctly.
4. the interactive teaching method of preschool education according to claim 2, which is characterized in that the S4 includes:
The problems in age bracket children's exam pool is randomly choosed from problem base according to child age range to put question to user,
Expressive features when according to user's answer accuracy and answer, determine the focus of user.
5. the interactive teaching method of preschool education according to claim 2, which is characterized in that the S5 includes:
Scene image obtains the interest point information that module receives user, and interest point information is classified, and obtains sorted
To information be sent to Cloud Server, Cloud Server, which is sent according to information to corresponding real-time scene acquisition device, to be known
It does not instruct, determines whether to identify point of interest object by corresponding real-time scene acquisition device, if so, will corresponding real-time field
Picture in scape acquisition device is obtained.
6. the interactive teaching method of preschool education according to claim 2, which is characterized in that the S7 includes:
Display image collection module parses interaction scenarios image data, object image information is therefrom extracted, for quilt
Whether extraction object, which can be used in progress language teaching, is judged, wherein if what is extracted is extracted object in corresponding children
In the syllabus of user, it is determined that the extract physical efficiency is enough in carry out language teaching.
7. the interactive teaching method of preschool education according to claim 2, which is characterized in that every in the determination in S9
After the color gamut of a picture block, the method also includes:
The corresponding picture block of each picture block is output on display screen, and receives the instruction of child user, according to child user
Instruction retains a picture block for each picture block；
All picture blocks that user retains are combined and are output on display screen.
8. the interactive teaching method of preschool education according to claim 2, which is characterized in that the S10 includes:
Picture is narrowed down to the size of 6x6, in total 36 pixels, to remove the details of picture, only retain structure, light and shade and its
His essential information, abandons different sizes, ratio bring picture difference；32x32 size picture is backed up simultaneously, in total 1024 pictures
Element, for extracting picture pixels information；
Storage each position of animation takes color position information, and the picture for being originally used for comparing is narrowed down to 32x32 Pixel Dimensions, is being schemed
The identical movable position of on piece takes five pixel coordinates, and four are maximum — that is, angular coordinate and a median up and down；
With this five values from value pixel value in the 32x32 size picture of the backup, annular graduated colors make corresponding position
Material.
9. the interactive teaching method of preschool education according to claim 2, which is characterized in that the preschool education interaction religion
System further includes voice acquisition device, the method also includes:
S14: children's classroom interaction frequency that the multiple voice acquisition devices of Cloud Server real-time reception obtain simultaneously records；
S15: the Cloud Server calculates the average volume size in interaction time by the voice messaging of statistics access, according to institute
State aggressiveness level and record that average volume size determines classroom children；
S16: the Cloud Server extracts the voice mood of each face in the classroom video information by speech recognition algorithm
Characteristic information, and match cognization is carried out to the voice mood characteristic information according to default voice mood characteristic parameter, determine children
Emotional state and absorbed state of the youngster in classroom.
10. the interactive teaching method of preschool education according to claim 1, which is characterized in that the preschool education interaction
Tutoring system further includes order sending device, in S7, after generating content of courses text information based on the target object, is also wrapped
It includes:
S71: the instruction of order sending device sending action posture and voice messaging；
S72: order sending device obtains the motion information that corresponding each skeleton point is instructed with action, and passes through camera shooting
Head is acquired real-time body's operation information, and the motion information of each skeleton point is sent to the server end；
S73: the server end parses the motion information of each skeleton point, generates the limb motion line of user
Journey is searched in the related information table of pre-generated movement thread and limb action and is matched and the limb motion thread phase of user
Corresponding limb action, and control and execute display on the virtual portrait of the mutual education project interface of the terminal presentation facility
The limb action；
The S73 includes:
S731: Cloud Server is pre-configured with the related information table for generating movement thread and limb action；
S732: Cloud Server parses the motion information of each skeleton point, obtains each bone in three-dimensional system of coordinate
Displacement of the bone point in x-axis, y-axis and z-axis generates the limb motion thread of user according to the displacement information of each skeleton point；
S733: Cloud Server is searched in the related information table of pre-generated movement thread and limb action to be matched with user's
The corresponding limb action of limb motion thread；
S734: Cloud Server judges that matching limbs corresponding with the limb motion thread of user are searched in related information table to be moved
Whether succeed；If so, control executes on the virtual portrait in the display screen shows the limb action；If it is not, then
The limb motion thread is parsed, determines the limb motion content of user, forms limb action, and is continued to execute described
Control is executing the step of showing the limb action on the virtual portrait in the display screen, the limb motion content includes
Skeleton point moving direction and moving displacement.
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