CN108461003A - A kind of AR geometry Teaching instrument and teaching method - Google Patents
A kind of AR geometry Teaching instrument and teaching method Download PDFInfo
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- CN108461003A CN108461003A CN201810554093.0A CN201810554093A CN108461003A CN 108461003 A CN108461003 A CN 108461003A CN 201810554093 A CN201810554093 A CN 201810554093A CN 108461003 A CN108461003 A CN 108461003A
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- camera
- babinet
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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
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Abstract
The invention discloses a kind of AR geometry Teaching instruments, including babinet and the controller being arranged in babinet, camera, touch display screen, button, lamps and lanterns, power interface, the cog region of object to be identified for identification, babinet hinge is connected to case lid, camera is arranged by holder in babinet, the output end of camera is connect with controller, controller is fixed on the bottom of box, touch display screen is fixed in case lid and is connect with controller by winding displacement, button is arranged in babinet side and is connect with controller, the lamps and lanterns are fixed in case lid and connect the supplement light source as camera with controller, in babinet side, with connection power supply, device is powered in order to control for power interface setting.The mutual conversion between geometrical model and corresponding three-view diagram may be implemented in the present invention, and the teaching auxiliary device of human-computer interaction can be carried out, two-dimensional space and three dimensions have been got through, the space imagination of student can be improved, has improved the information transfer efficiency between geometry class course teaching Ability of Normal School Students.
Description
Technical field
The present invention relates to multimedia teaching field, especially a kind of AR geometry Teaching instrument and teaching method.
Background technology
Instructional media is the carrier of the content of courses, is the form of expression of the content of courses, is the work of transmission information between teachers and students
Tool.The development experience of instructional media conversational language media stage, print media's stage, print media stage, number language matchmaker
The body stage.Instructional media development history is made a general survey of, we can see that the efficiency of its transmission information is higher and higher.But Zhi Daoxian
In the prevalence of the embarrassing phenomenon of " understanding by thinking " in teaching process.It is for several courses for being how related to object teaching
The paper media of blackboard and plane can not thoroughly express the content of courses, even if having multimedia equipment, PPT and various study on the market
Machine also fails to improve the efficiency that information is transmitted comprehensively.How to convey and understand those education informations for being difficult to transmit, is that teachers and students are double
The problem of Fang Gongtong.
AR (augmented reality) technology, it is a kind of by " seamless " the integrated new skill of real world information and virtual world information
Art, be script in the certain time spatial dimension of real world be difficult experience entity information (visual information, sound,
Taste, tactile etc.), by science and technology such as computers, it is superimposed again after analog simulation, by virtual Information application to real world,
It is perceived by human sensory, to reach the sensory experience of exceeding reality.
It would therefore be highly desirable to a kind of AR geometry Teaching instrument is developed, it is mutual between geometrical model and corresponding three-view diagram to realize
Conversion, and the teaching auxiliary device of human-computer interaction can be carried out.AR (augmented reality) technology is utilized in the device, it is based on reality
The world is enhanced by virtual data, realizes better way for people to show learning Content, with relatively properer interaction side
Formula is that learner builds a space independently explored.
Invention content
The invention aims to provide a kind of AR geometry Teaching instrument and teaching method, geometrical model and correspondence may be implemented
Three-view diagram between mutual conversion, and the teaching auxiliary device of human-computer interaction can be carried out, get through two-dimensional space and three-dimensional
Space can improve the space imagination of student, improve the information transfer efficiency between geometry class course teaching Ability of Normal School Students.
In order to achieve the above objectives, the present invention is implemented according to following technical scheme：
A kind of AR geometry Teaching instrument, including babinet and be arranged in babinet for object to be identified corresponding three to be regarded
Figure projection animation is added in the real picture of camera or the corresponding geometrical model of the corresponding three-view diagram of the object to be identified
Be added to controller in the real picture of camera, camera, touch display screen, button, lamps and lanterns, power interface, for knowing
The cog region of object not to be identified, the babinet hinge are connected to case lid, and camera is arranged in babinet by holder and camera
Camera lens towards the object to be identified placed on cog region, the output end of camera is connect with controller, and the controller is fixed
In the bottom of box, touch display screen is fixed in case lid and is connect with controller by winding displacement, button be arranged babinet side and with
Controller connects, and the lamps and lanterns are fixed in case lid and connect the supplement light source as camera, the power supply with controller
In babinet side, with connection power supply, device is powered in order to control for interface setting；The camera is used to obtain the image of object to be identified,
And it is conveyed to controller；The cog region is the pull plate being inserted into from babinet side in babinet.
Further, the object to be identified includes the three-view diagram of common geometrical model and Freehandhand-drawing.
Further, storing part is equipped in the babinet, storing part is located at below pull plate.
Further, the button includes that power switch button, three-dimensional turn two-dimensional button, D reconstruction button, start to press
Button
In addition, the present invention also provides a kind of teaching methods of AR geometry Teaching instrument, including：The controller is first to being taken the photograph
Medium filtering is carried out as head obtains image, then to acquired image Edge contrast, enhances edge, then acquired image is selected
Suitable fixed threshold is taken to carry out binary conversion treatment；Then the anchor point at scanning acquired image edge, it is true according to position relationship
Set the goal the pixel coverage of image；Morphology operations are first carried out in the pixel coverage determined, reach smoothed profile；Then it uses
Canny algorithms carry out edge detection, calculate profile central point on this basis and preserve；Then according to trained point in advance
Class device carries out SHAPE DETECTION with machine learning, and planar graph grader A, solid figure grader B finally carry out actual situation and melt
It closes, carries out image rendering in the corresponding position of object central point to be identified using OpenGL technologies, this is waited knowing by last controller
The corresponding Three-view projection animation of other object is added in the real picture of camera or the object corresponding three to be identified regards
Scheme corresponding geometrical model to be added in the real picture of camera.
Compared with prior art, the present invention has the following advantages：
First：Two-dimensional space and three dimensions are got through, the space imagination of student can be improved, improves the religion of geometry class course
Learn the information transfer efficiency between Ability of Normal School Students.
Second：3 D stereo impart knowledge to students, by this AR geometry Teaching instruments, educatee when receiving knowledge from 2D rise to
3D is no longer the flat content that books or blackboard show, but lifelike three-dimensional content.For three-view diagram, AR can be shown
Show that corresponding geometrical model, students need not mend 3D images from plane 2D image midbrain again.
Third：Game teaching, interest are the best teachers of a people, and many researchs also turn out, play instruction is a kind of
Very effective mode of learning, the visualizing of this AR geometry Teaching instruments, the interactive game teaching content designed are inhaled very much
It induces one, teaches through lively activities, to significantly promote study wish, the excitation learning interest of students, improve learning effect.
4th：The resource that gives an impulse to education equalization, the educational resource in traditional education have significant limitation and inequality,
AR geometry Teaching instrument can allow the teacher of different regions difference school, student to possess same good teaching resource.This to teach
That educates resource obtains best utilization, allow educatee no matter where study all, can to avoid it is present it is social on receive an education
Inequitable phenomenon.
5th：The interactivity for improving student, when exercise book for students AR geometry Teaching instruments go study, student can be more preferable
Experiential learning content, do not have in the inflexible study as before.AR education is exactly the online experience of real situation, and students all exist
It sees, listens in person in person, do in person, increase study enjoyment so that classroom interaction becomes to be more prone to so that introverted people
It is happy to speech to participate in discussion.This will give full play to the learning enthusiasm of student, and the study that is forced from before is changed into finding pleasure in learning.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the circuit structure block diagram of the present invention.
Fig. 3 is the teaching method flow chart of the present invention.
Specific implementation mode
With reference to specific embodiment, the invention will be further described, in the illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
As shown in Figure 1 and Figure 2, a kind of AR geometry Teaching instrument of the present embodiment, including babinet 1 and be arranged in babinet 1
For the corresponding Three-view projection animation of object to be identified to be added in the real picture of camera or the object to be identified
Controller 6 that the corresponding geometrical model of corresponding three-view diagram is added in the real picture of camera, touches display at camera 5
The cog region 3 of screen 7, button 8, lamps and lanterns 9, power interface, object to be identified for identification, the cog region 2 are from babinet side
The pull plate 11 being inserted into babinet 1, the hinge of the babinet 1 are connected to case lid 2, camera 5 be arranged in babinet 1 by holder 4 and
Towards the object to be identified placed on cog region 3, the output end of camera 5 is connect the camera lens of camera 5 with controller 6, described
Controller 6 is fixed on 1 bottom of babinet, and touch display screen 7 is fixed in case lid 2 and connect with controller 6 by winding displacement, and button 8 is set
It sets in 1 side of babinet and is connect with controller 6, the lamps and lanterns 9, which are fixed in case lid 2 and are connect with controller 6, is used as camera 5
Supplement light source, the power interface (being not drawn into figure) setting is in the power supply of device 6 in order to control of 1 side of babinet connection power supply.
In addition, in the present embodiment, storing part 10 is equipped in the babinet 1, storing part 10 is located at the babinet 1 below pull plate
Interior, storing part 10 can store the teaching aids such as geometrical model.
The major function of the present invention is as follows：First, this Teaching instrument can identify geometrical model by camera 5, and pass through
Touch display screen 7 shows the projection process of its three-view diagram；Second, what this Teaching instrument can be painted by 5 cognometrics green hand of camera
Three-view diagram, and corresponding geometrical model is shown by touch display screen 7.It is operation instruction below.
This AR geometry Teaching instruments are body structure, are convenient for carrying and take care of, after opening chest, storing part 10 can store several
The teaching aids such as what model are designed with the cog region 3 of 11 formula of pull plate in babinet 1, usually in the case of cog region 3 can place and be less than or equal to
A4 paper figures, A3 paper figures can be placed by opening cog region 3 from avris, and case lid 2 is laid flat, power supply is pressed after inspection is errorless
Key enters interactive interface after the completion of initialization.
Function one：" three-dimensional turns two dimension " button is clicked, then the geometrical model converted will be needed to be placed on cog region 3, then
The projection process of three-view diagram of the geometrical model can be seen in touch display screen 7 by clicking " START " button.
Function two：" D reconstruction " button is clicked, the drawing of prescribed level and format is placed on cog region 3, then point
The corresponding geometrical model of the three-view diagram can be seen in touch display screen 7 by hitting " START " button.
The teaching method of this AR geometry Teaching instruments is described in detail below：
As shown in figure 3, when object to be identified is put into cog region by user, after pressing " START " button, pass through camera
The image of object to be identified is obtained, the controller first obtains image to institute's camera and carries out medium filtering, then to acquired
Image sharpening processing, enhances edge, and then choosing suitable fixed threshold to acquired image carries out binary conversion treatment；Then it sweeps
The anchor point for retouching acquired image edge determines the pixel coverage of target image according to position relationship；In the pixel model determined
Enclose it is interior first carry out morphology operations, reach smoothed profile；Then edge detection is carried out with Canny algorithms, calculated on this basis
Go out profile central point and preserves；Then according to advance trained grader SHAPE DETECTION, planar graph are carried out with machine learning
Virtual reality fusion is finally carried out, using OpenGL technologies in object central point to be identified with grader A, solid figure grader B
Corresponding position carry out image rendering, if it is " three-dimensional turn two dimension ", controller can throw the corresponding three-view diagram of the geometrical model
Shadow animation is added in the real picture of camera；If it is " D reconstruction ", controller can be corresponding several the three-view diagram
What model is added in the real picture of camera, is then shown in touch display screen.
Technical scheme of the present invention is not limited to the limitation of above-mentioned specific embodiment, every to do according to the technique and scheme of the present invention
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (5)
1. a kind of AR geometry Teaching instrument, which is characterized in that including babinet and be arranged in babinet for by object to be identified
Corresponding Three-view projection animation is added in the real picture of camera or the corresponding three-view diagram of the object to be identified corresponds to
The geometrical model controller, camera, touch display screen, button, lamps and lanterns, the power supply that are added in the real picture of camera connect
The cog region of mouth, for identification object to be identified, the babinet hinge are connected to case lid, and camera is arranged by holder in babinet
And the camera lens of camera, towards the object to be identified placed on cog region, the output end of camera is connect with controller, the control
Device processed is fixed on the bottom of box, and touch display screen is fixed in case lid and connect with controller by winding displacement, and button is arranged in babinet
It side and being connect with controller, the lamps and lanterns are fixed in case lid and connects with controller the supplement light source for being used as camera,
In babinet side, with connection power supply, device is powered in order to control for the power interface setting；The camera is for obtaining object to be identified
Image, and be conveyed to controller；The cog region is the pull plate being inserted into from babinet side in babinet.
2. AR geometry Teaching instrument according to claim 1, it is characterised in that：The object to be identified includes common geometry mould
The three-view diagram of type and Freehandhand-drawing.
3. AR geometry Teaching instrument according to claim 1, it is characterised in that：Storing part, storing part are equipped in the babinet
Below pull plate.
4. AR geometry Teaching instrument according to claim 1, it is characterised in that：The button includes power switch button, three
Dimension turns two-dimensional button, D reconstruction button, start button.
5. a kind of teaching method of AR geometry Teaching instruments as described in claim 1-4 is any, which is characterized in that including：It will wait for
Identification object is placed in cog region, the image of object to be identified is obtained by camera, the controller is first to institute's camera
It obtains image and carries out medium filtering, then to acquired image Edge contrast, enhance edge, then acquired image is chosen and is closed
Suitable fixed threshold carries out binary conversion treatment；Then the anchor point at scanning acquired image edge, mesh is determined according to position relationship
The pixel coverage of logo image；Morphology operations are first carried out in the pixel coverage determined, reach smoothed profile；Then it uses
Canny algorithms carry out edge detection, calculate profile central point on this basis and preserve；Then according to trained point in advance
Class device carries out SHAPE DETECTION with machine learning, and planar graph grader A, solid figure grader B finally carry out actual situation and melt
It closes, carries out image rendering in the corresponding position of object central point to be identified using OpenGL technologies, this is waited knowing by last controller
The corresponding Three-view projection animation of other object is added in the real picture of camera or the object corresponding three to be identified regards
Scheme corresponding geometrical model to be added in the real picture of camera, then be shown in touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554093.0A CN108461003A (en) | 2018-06-01 | 2018-06-01 | A kind of AR geometry Teaching instrument and teaching method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810554093.0A CN108461003A (en) | 2018-06-01 | 2018-06-01 | A kind of AR geometry Teaching instrument and teaching method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785414A (en) * | 2019-01-24 | 2019-05-21 | 广东交通职业技术学院 | A kind of simulation animation production method generated for demonstrating object's three-view |
| CN110246227A (en) * | 2019-05-21 | 2019-09-17 | 佛山科学技术学院 | A kind of virtual reality fusion emulation experiment image data acquiring method and system |
| CN110458909A (en) * | 2019-08-05 | 2019-11-15 | 薄涛 | Handle method, server, tutoring system and the medium of projected image |
| CN111833690A (en) * | 2020-05-19 | 2020-10-27 | 宁波八瓦供应链管理有限公司 | Software engineering equipment box |
-
2018
- 2018-06-01 CN CN201810554093.0A patent/CN108461003A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785414A (en) * | 2019-01-24 | 2019-05-21 | 广东交通职业技术学院 | A kind of simulation animation production method generated for demonstrating object's three-view |
| CN110246227A (en) * | 2019-05-21 | 2019-09-17 | 佛山科学技术学院 | A kind of virtual reality fusion emulation experiment image data acquiring method and system |
| CN110246227B (en) * | 2019-05-21 | 2023-12-29 | 佛山科学技术学院 | Virtual-real fusion simulation experiment image data collection method and system |
| CN110458909A (en) * | 2019-08-05 | 2019-11-15 | 薄涛 | Handle method, server, tutoring system and the medium of projected image |
| CN111833690A (en) * | 2020-05-19 | 2020-10-27 | 宁波八瓦供应链管理有限公司 | Software engineering equipment box |
| CN111833690B (en) * | 2020-05-19 | 2022-01-28 | 苏州淞吴电力科技有限公司 | Software engineering equipment box |
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