CN103996314A - Teaching system based on augmented reality - Google Patents
Teaching system based on augmented reality Download PDFInfo
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- CN103996314A CN103996314A CN201410218077.6A CN201410218077A CN103996314A CN 103996314 A CN103996314 A CN 103996314A CN 201410218077 A CN201410218077 A CN 201410218077A CN 103996314 A CN103996314 A CN 103996314A
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Abstract
The invention discloses a teaching system based on augmented reality. According to the teaching system based on the augmented reality, the teaching process of teachers is photographed into teaching video materials, the teaching video materials and image-text feature information of textbooks are combined and stored in a server, and students can obtain the teaching video materials through a display terminal in an on-line or off-line mode. When the students browse image-text materials of the textbooks through the display terminal, the display terminal can make the teaching video materials corresponding to the image-text materials and the image-text materials generate videos for display through the augmented reality technology if necessary. The teaching system based on the augmented reality reproduces the teaching process of the teachers vividly through the display terminal, so that the students will not feel boring any longer when reviewing lessons; meanwhile, the videos displayed by the display terminal repeat the teaching process of the teachers, memory of the students is enhanced. The teaching system based on the augmented reality can also be constructed into an online network teaching system, so that network teaching is more vivid and visualized, and the quality and effect of the network teaching are improved. Furthermore, the teaching system based on the augmented reality can generate the teaching videos of the teachers conveniently and makes it convenient for the students to use.
Description
Technical field
Originally relate to the application of augmented reality in teaching.
Background technology
Augmented reality (Augmented Reality is called for short AR), is the new technology growing up on the basis of virtual reality, is also referred to as mixed reality.That the information providing by computer system increases the technology of user to real world perception, virtual information is applied to real world, and dummy object, scene or the system prompt information of computing machine generation are added in real scene, thereby realize real enhancing.In recent years, along with the lifting of hardware and software technology, augmented reality was developed on an unprecedented scale, and this technology is applied to such as on the mobile terminals such as mobile phone, Pad.Augmented reality is widely used in amusement, business environment at present.
At present, in the educational mode of school, most teachers are still with polynary form of teachings such as traditional projection, blackboard, blank or audio-visual teaching materials.Yet although above-mentioned form of teaching is polynary, if go home to review the content of courses when students, and while finding to forget today content of courses, students can only the next day upper class hour inquiry teacher, learning efficiency is had a greatly reduced quality, review effect low.Moreover existing network Online Video teaching is only also the extension of conventional teaching, imparts knowledge to students lively not.Meanwhile, the content of instructional video and the content of teaching material often disconnect, and teaching efficiency is bad.
Augmented reality is also incorporated in teaching gradually at present, such as CN 103606310A, CN 103337079A, CN102411854A, CN 103366610A have all related to the application of augmented reality in teaching.But these systems are when relating to use, and convenience aspect is bad.Particularly when recording instructor's instructional video, poor operability.
Summary of the invention
Problem to be solved by this invention: for improving the quality of teaching and teaching efficiency, results of learning when raising student reviews one's lessons, the instructional video system of a kind of full automatic making based on augmented reality is provided, makes instructor easy to use, students is easy to use.
For addressing the above problem, the scheme that the present invention adopts is as follows:
A tutoring system based on augmented reality, comprises remote server, camera head, display device, front end processor; Described front end processor is connected with display device, camera head; Described remote server is connected with front end processor by network; Described front end processor comprises: transmission module on picture and text playing module, video capture module, characteristic extracting module, video processing module, video; Described remote server comprises video reception module, video storage module; Described picture and text playing module is for playing the photo information of teaching material by display device; Described video capture module is for obtaining the preliminary video data of instructor's teaching by camera head; Described characteristic extracting module is for extracting picture and text characteristic information from the photo information of playing; Described video processing module is for scratching the instructional video data that obtains instructor except background video from preliminary video data; On described video, transmission module is for being sent to remote server by picture and text characteristic information and instructional video data; Described video reception module is used for receiving picture and text characteristic information and instructional video data; Described video storage module is used for storing picture and text characteristic information and instructional video data, and binds picture and text characteristic information and instructional video data.
Further, according to the tutoring system based on augmented reality of the present invention, also comprise telepilot; Described telepilot is connected with described front end processor by wireless mode; Page-turning button before and after described telepilot is provided with; The picture and text playing module of described front end processor comprises command reception module and page turning control module; Described command reception module is for receiving the page-turning instruction of telepilot page-turning button; Described page turning control module shows photo information for carry out page turning on described display device according to page-turning instruction.
Further, according to the tutoring system based on augmented reality of the present invention, described telepilot passes through the mode of Wifi or passes through the mode of bluetooth or be connected with described front end processor by infrared mode.
Further, according to the tutoring system based on augmented reality of the present invention, described telepilot is also provided with generating laser.
Further, according to the tutoring system based on augmented reality of the present invention, also comprise display terminal, described display terminal is connected by network with described remote server; Described display terminal comprises picture and text acquisition module, feature identification module, obtains video module, augmented reality module, video playback module; Described picture and text acquisition module is for obtaining the photo information of teaching material; Described feature identification module is for identifying picture and text characteristic information according to photo information; The described video module that obtains is for obtaining instructional video data according to picture and text characteristic information; Augmented reality module is for synthesizing augmented reality video according to the photo information of teaching material and instructional video data; Described video playback module is for playing synthetic augmented reality video.
Further, according to the tutoring system based on augmented reality of the present invention, described display terminal includes camera; Described picture and text acquisition module obtains photo information after making a video recording by camera.
Further, according to the tutoring system based on augmented reality of the present invention, described in obtain video module and comprise video download module, video storage module and query video module; Described video download module is for downloading picture and text characteristic information and data corresponding to instructional video data from remote server; Described video storage module is downloaded picture and text characteristic information and data corresponding to instructional video data for storing from remote server; Described query video module is for obtaining instructional video data from picture and text characteristic information and the data corresponding to instructional video data of storage according to picture and text characteristic information.
Further, according to the tutoring system based on augmented reality of the present invention, described in obtain video module and comprise video request module and video reception module; Described video request module, for sending instructional video data request instruction corresponding to picture and text characteristic information to remote server, comprises picture and text characteristic information in this request instruction; Instructional video data request corresponding to picture and text characteristic information that described video reception module sends for receiving remote server; Described remote server also comprises request respond module, video search module and video sending module; Described request respond module receives the request instruction of described video request module; Described video search module is for searching for the corresponding instructional video data of picture and text characteristic information according to the picture and text characteristic information of the request instruction of video request module; Video sending module is sent to display terminal for the instructional video data that search is obtained.
Further, according to the tutoring system based on augmented reality of the present invention, described display terminal is smart mobile phone or palm PC or panel computer or notebook computer or desktop computer.
Further, according to the tutoring system based on augmented reality of the present invention, described display terminal is connected with described remote server by the mode of Wifi or Ethernet.
Technique effect of the present invention is as follows:
A, while applying the present invention to impart knowledge to students, when no matter when student reviews the content of courses, only need to be by the cooperation of instructional terminal and picture and text teaching aid, technology by augmented reality is vivo reproduced teaching process, thereby make student when reviewing one's lessons, recurred the teaching process of attending class, effectively improved the results of learning that student reviews one's lessons.In addition, true man's form of teaching has also increased the enjoyment of Students ' Learning.
B, while applying the present invention to impart knowledge to students, the video content of teaching and textbook content binding, when carrying out remote teaching or student by network while reviewing one's lessons, students can study with a definite aim in view, students can freely arrange study course, even can learn content or the own weak content of study that own emphasis is concerned about according to student's feature.
It is very convenient when c, the present invention record instructional video for instructor.In the present invention, realize the front and back page turning of teaching material photo information by telepilot, making to record the instructional video obtaining can accurately correspond in the photo information of teaching material.In addition telepilot of the present invention or laser teach stick, carry during teachers with operation is very easy.
Accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram of the tutoring system based on augmented reality of the present invention.
Fig. 2 is the modular structure schematic diagram of tutoring system of the present invention.
Fig. 3 is the multifunction laser of the present invention excellent structural representation of imparting knowledge to students.
Fig. 4 is the modular structure schematic diagram between picture and text playing module of the present invention and telepilot.
Fig. 5 is the module relationship structural representation of display terminal of the present invention and remote server.
Fig. 6 is the module relationship structural representation that the present invention obtains video module online mode.
Fig. 7 is the module relationship structural representation that the present invention obtains video module offline mode.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Figure 1, a kind of tutoring system based on augmented reality, comprises remote server 1, front end processor 2, camera head 3, display device 4.Wherein, front end processor 2, camera head 3, display device 4 are the equipment that is installed on classroom.Front end processor 2 is a computer equipment, by data-interface, is connected with camera head 3, display device 4.Remote server 1 is generally placed in machine room.Remote server 1 is connected by network 6 with preposition 2.Remote server 1, front end processor 2, camera head 3, display device 4 have formed an instructional video video recording system, and wherein remote server 1 is responsible for the data storage of video data, and front end processor 2 is the pre-service of responsible video data.Front end processor 2 can, by there being wired mode to realize, also can be realized by wireless mode with being connected of remote server 1.When front end processor 2 is connected by wireless mode with remote server 1, preferentially adopt Wifi to connect.
The software program module that front end processor 2 is arranged on this machine by execution is realized function of the present invention.This software program module, as shown in Figure 2, comprises transmission module 25 on picture and text playing module 21, video capture module 22, characteristic extracting module 23, video processing module 24, video.Picture and text playing module 21 is for playing the photo information of teaching material by display device 4.The teaching material is here electronic document, such as, the electronic document of PPT form or PDF, can be stored in front end processor 2 or also can be stored in remote server 1.When teaching material is stored in remote server 1, front end processor obtains by downloading teaching material.Display device 4 can be projector or electronic display.Photo information in teaching material can be shown to student after playing by display device 4.But in the present invention, the photo information in teaching material is play and is mainly used in as teacher provides teaching guide effect by display device 4, teacher is saying that class hour can be by operations such as front and back page turnings according to teaching progress.In addition, the photo information of broadcasting is simultaneously for characteristic extracting module 23 provides input.Characteristic extracting module 23 is extracted picture and text characteristic information for the photo information from playing, and when picture and text playing module 21 is play the photo information of teaching materials, characteristic extracting module 23 when playing the photo information of teaching material, is synchronously extracted picture and text characteristic information.The method that characteristic extracting module 23 realizes is a lot, and simply, characteristic extracting module 23 can realize with word identification module, and this word identification module identifies word content in photo information as picture and text characteristic information according to photo information.Video capture module 22 is for obtaining the preliminary video data of instructor's teaching by camera head 3.Video processing module 24 is for scratching the instructional video data that obtains instructor except background video from preliminary video data.Background video is static image, scratches except not difficult.The picture and text characteristic information that the instructional video data that video processing module 24 obtains and characteristic extracting module 23 obtain forms one-to-one relationship.On video, by this, picture and text characteristic information and instructional video data are sent to remote server 1 to transmission module 25 one to one.Remote server 1 comprises video reception module 11, video storage module 12.Video reception module 11 is for receiving picture and text characteristic information and instructional video data.Video storage module 12 is for storing picture and text characteristic information and instructional video data, and binds picture and text characteristic information and instructional video data.After the picture and text characteristic information that transmission module 25 sends on remote server 1 receives by video and instructional video data, by video reception module 11, received.Video reception module 11 is stored in database by video storage module 12 after receiving picture and text characteristic information and instructional video data.Because instructional video data and picture and text characteristic information exist one-to-one relationship, during storage, by this corresponding relation, preserve.
Further, on the basis of the above-mentioned tutoring system based on augmented reality, also comprise telepilot 8.Page-turning button before and after telepilot 8 is provided with.In the present embodiment, telepilot 8 is a multi-functional laser teaching rod, as shown in Figure 3, comprises barred body 80, generating laser 81, laser switch button 82, rear page-turning button 83, front page-turning button 84.Generating laser 81 is arranged on the top of barred body 80, and laser switch button 82, rear page-turning button 83,84 3 buttons of front page-turning button are installed on barred body 80 cylinders.Bluetooth signal transmitter is installed and for the battery of electric power is provided in barred body 80.Page-turning button before and after rear page-turning button 83, front page-turning button 84 have formed.After pressing, after page-turning button 83, front page-turning button 84, Bluetooth signal transmitter will be sent to after button instruction encoding on the front end processor 2 matching with this Bluetooth signal transmitter.As shown in Figure 4, the picture and text playing module 21 of front end processor comprises command reception module 211 and page turning control module 212.Command reception module 211 is for receiving the page-turning instruction of telepilot page-turning button.Page turning control module 212 shows photo information for carry out page turning on described display device according to page-turning instruction.
It should be noted that, in the present embodiment, telepilot 8 is connected with the mode of front end processor 2 by bluetooth, it will be appreciated by those skilled in the art that telepilot 8 also can be connected with front end processor 2 by Wifi or infrared mode.
Further, the tutoring system based on augmented reality of the present invention, as shown in Figure 1, also comprises display terminal 5.Display terminal 5 be student in order to learn the terminal of use, can be smart mobile phone, palm PC, panel computer or desktop computer, include display screen, processor and storer.Display terminal 5 is connected by network 6 with remote server 1.It can be that Wifi wireless connections can be also that the network of the Ethernet based on wired connects that display terminal 5 is connected with network between remote server 1.The function of display terminal 5 realizes by being arranged on the client modules of display terminal.This client modules, as shown in Figure 5, comprises picture and text acquisition module 51, feature identification module 52, obtains video module 53, augmented reality module 54, video playback module 55.Picture and text acquisition module 51 is for obtaining the photo information of teaching material.Feature identification module 52 is for identifying picture and text characteristic information according to photo information.Obtain video module 53 for obtaining instructional video data according to picture and text characteristic information.Augmented reality module 54 is for synthesizing augmented reality video according to the photo information of teaching material and instructional video data.Video playback module 55 is for playing synthetic augmented reality video.It should be noted that, the photo information that picture and text acquisition module 51 obtains can obtain by aforesaid electronic file form teaching material, also can take teaching material books by the camera of installing on display terminal 5 and obtain.
Obtaining video module 53 has two kinds of modes, and the first is by online mode: specifically as shown in Figure 6, obtain video module 53 and comprise video request module 531 and video reception module 532.Video request module 531, for sending instructional video data request instruction corresponding to picture and text characteristic information to remote server, comprises picture and text characteristic information in this request instruction.Instructional video data request corresponding to picture and text characteristic information that video reception module 532 sends for receiving remote server.Remote server 1 also comprises request respond module 13, video search module 14 and video sending module 15.Request respond module 13 receives the request instruction of described video request module.Video search module 14 is for searching for the corresponding instructional video data of picture and text characteristic information according to the picture and text characteristic information of the request instruction of video request module.Video sending module 15 is sent to display terminal for the instructional video data that search is obtained.
The second embodiment that obtains video module 53 is offline mode, as shown in Figure 7, obtains video module 53 and comprises video download module 533, video storage module 534 and query video module 535.Video download module 533 is for downloading picture and text characteristic information and data corresponding to instructional video data from remote server.Video storage module 534 is downloaded picture and text characteristic information and data corresponding to instructional video data for storing from remote server.Query video module 535 is for obtaining instructional video data from picture and text characteristic information and the data corresponding to instructional video data of storage according to picture and text characteristic information.
Tutoring system of the present invention comprises two processing procedures, and one is instructional video recording process, and one is the processing procedure of student while using.Teacher records instructional video synchronizes and carries out with class-teaching of teacher, teacher controls the page turning of textbook content by the multifunction laser rod of imparting knowledge to students in teaching process, simultaneously front end processor is recorded teacher's teaching process by camera head and by the pre-service of video augmented reality, front end processor also identifies the picture and text characteristic information of current content of courses photo information according to the current content of courses simultaneously, and front end processor is sent to remote server preservation by picture and text characteristic information and pretreated video.In whole process, teacher only need to carry out page turn over operation by the multifunction laser rod of imparting knowledge to students.If student need to listen teacher's explanation again to a certain content in teaching material, this student only need to turn over teaching material books to the specific page, then with display terminal of the present invention, facing to the content of this page of teaching material, take pictures, after taking pictures, feature identification module is identified the photo of taking, identify picture and text characteristic information, obtain video module and obtain corresponding instructional video according to this picture and text characteristic information, augmented reality module is carried out the synthetic augmented reality video that generates of augmented reality by the instructional video of obtaining and photo, finally by video playback module, plays augmented reality video.
Claims (10)
1. the tutoring system based on augmented reality, is characterized in that, comprises remote server, camera head, display device, front end processor; Described front end processor is connected with display device, camera head; Described remote server is connected with front end processor by network; Described front end processor comprises: transmission module on picture and text playing module, video capture module, characteristic extracting module, video processing module, video; Described remote server comprises video reception module, video storage module; Described picture and text playing module is for playing the photo information of teaching material by display device; Described video capture module is for obtaining the preliminary video data of instructor's teaching by camera head; Described characteristic extracting module is for extracting picture and text characteristic information from the photo information of playing; Described video processing module is for scratching the instructional video data that obtains instructor except background video from preliminary video data; On described video, transmission module is for being sent to remote server by picture and text characteristic information and instructional video data; Described video reception module is used for receiving picture and text characteristic information and instructional video data; Described video storage module is used for storing picture and text characteristic information and instructional video data, and binds picture and text characteristic information and instructional video data.
2. the tutoring system based on augmented reality as claimed in claim 1, is characterized in that, also comprises telepilot; Described telepilot is connected with described front end processor by wireless mode; Page-turning button before and after described telepilot is provided with; The picture and text playing module of described front end processor comprises command reception module and page turning control module; Described command reception module is for receiving the page-turning instruction of telepilot page-turning button; Described page turning control module shows photo information for carry out page turning on described display device according to page-turning instruction.
3. the tutoring system based on augmented reality as claimed in claim 2, is characterized in that, described telepilot passes through the mode of Wifi or passes through the mode of bluetooth or be connected with described front end processor by infrared mode.
4. the tutoring system based on augmented reality as claimed in claim 2, is characterized in that, described telepilot is also provided with generating laser.
5. the tutoring system based on augmented reality as claimed in claim 1, is characterized in that, also comprises display terminal, and described display terminal is connected by network with described remote server; Described display terminal comprises picture and text acquisition module, feature identification module, obtains video module, augmented reality module, video playback module; Described picture and text acquisition module is for obtaining the photo information of teaching material; Described feature identification module is for identifying picture and text characteristic information according to photo information; The described video module that obtains is for obtaining instructional video data according to picture and text characteristic information; Augmented reality module is for synthesizing augmented reality video according to the photo information of teaching material and instructional video data; Described video playback module is for playing synthetic augmented reality video.
6. the tutoring system based on augmented reality as claimed in claim 5, is characterized in that, described display terminal includes camera; Described picture and text acquisition module obtains photo information after making a video recording by camera.
7. the tutoring system based on augmented reality as claimed in claim 5, is characterized in that, described in obtain video module and comprise video download module, video storage module and query video module; Described video download module is for downloading picture and text characteristic information and data corresponding to instructional video data from remote server; Described video storage module is downloaded picture and text characteristic information and data corresponding to instructional video data for storing from remote server; Described query video module is for obtaining instructional video data from picture and text characteristic information and the data corresponding to instructional video data of storage according to picture and text characteristic information.
8. the tutoring system based on augmented reality as claimed in claim 5, is characterized in that, described in obtain video module and comprise video request module and video reception module; Described video request module, for sending instructional video data request instruction corresponding to picture and text characteristic information to remote server, comprises picture and text characteristic information in this request instruction; Instructional video data request corresponding to picture and text characteristic information that described video reception module sends for receiving remote server; Described remote server also comprises request respond module, video search module and video sending module; Described request respond module receives the request instruction of described video request module; Described video search module is for searching for the corresponding instructional video data of picture and text characteristic information according to the picture and text characteristic information of the request instruction of video request module; Video sending module is sent to display terminal for the instructional video data that search is obtained.
9. the tutoring system based on augmented reality as claimed in claim 5, is characterized in that, described display terminal is smart mobile phone or palm PC or panel computer or notebook computer or desktop computer.
10. the tutoring system based on augmented reality as claimed in claim 5, is characterized in that, described display terminal is connected with described remote server by the mode of Wifi or Ethernet.
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| CN106530858A (en) * | 2016-12-30 | 2017-03-22 | 武汉市马里欧网络有限公司 | AR-based Children's English learning system and method |
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| CN108335247A (en) * | 2018-03-14 | 2018-07-27 | 黄冈职业技术学院 | A kind of computer teaching lecture system based on cloud platform |
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