CN113207008A - AR-based tele-immersive simulation classroom and control method thereof - Google Patents
AR-based tele-immersive simulation classroom and control method thereof Download PDFInfo
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- 238000011161 development Methods 0.000 claims description 10
- 230000018109 developmental process Effects 0.000 claims description 10
- 230000002452 interceptive effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 5
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/344—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] with head-mounted left-right displays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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Abstract
The invention relates to an AR-based tele-immersive simulation classroom and a control method thereof, belonging to the technical field of AR-based tele-immersive simulation classrooms; the technical problem to be solved is as follows: an improvement of an AR-based tele-immersive simulation classroom hardware structure is provided; the technical scheme for solving the technical problems is as follows: the remote classroom is provided with a data receiving module for receiving live broadcast video of the local classroom, a high-definition display screen and a second AR device; the remote classroom receives high-definition live video data of the local classroom, explanation action images of teachers in the local classroom and classroom interaction images of students, wherein the explanation action images are acquired by the first AR device; the invention is applied to teaching.
Description
Technical Field
The invention discloses an AR-based tele-immersive simulation classroom and a control method thereof, belonging to the technical field of AR-based tele-immersive simulation classrooms.
Background
The existing electric classroom and multimedia classroom in the education industry are added with electronic screens, projectors and other equipment, online networking can be realized, resources can be collected quickly, teachers can demonstrate and teach more intuitively and conveniently in the modes of videos, PPT and the like, meanwhile, along with the development of science and technology, remote teaching is realized in the existing places, the remote teaching can be realized in a live broadcasting mode, but the remote teaching can be realized only through the live broadcasting mode, but the remote teaching can not interact with the teachers and students for remote students, the content explained by the teachers can be seen, the interactivity is lacked, and due to the fact that the traditional teaching mode is adopted, the experience feeling of the existing immersive teaching is poor, and the boring of classroom teaching is caused easily, therefore, the remote immersive simulation classroom based on AR and the control method thereof are provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to solve the technical problems that: an improvement in the hardware architecture of an AR-based tele-immersive simulation classroom is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: a remote immersion type simulation classroom based on AR comprises a local classroom and a remote classroom, wherein high-definition live broadcast equipment, high-definition video equipment, a 4K display screen, infrared dynamic capture equipment, first AR equipment and a classroom explanation console are arranged in the local classroom, the remote classroom is provided with a data receiving module, a high-definition display screen and second AR equipment, the data receiving module, the high-definition display screen and the second AR equipment are used for receiving live broadcast video of the local classroom, the data receiving module, the high-definition display screen and the second AR equipment are respectively connected with a processor through wires, and the processor is arranged in the console;
the high-definition live broadcast equipment, the high-definition video recording equipment, the 4K display screen, the infrared dynamic capturing equipment and the first AR equipment are respectively connected with a controller in a classroom explanation console through wires, and a storage module and a wireless communication module are further arranged in the classroom explanation console;
the remote classroom receives high-definition live video data of the local classroom, explanation action images of teachers in the local classroom and classroom interaction images of students, which are acquired by the first AR device, and three-dimensionally displays the explanation action images on a high-definition display screen of the remote classroom;
the remote classroom acquires the interaction scene information of the remote students in class through the second AR device and sends the interaction scene information to the local classroom, so that classroom interaction between the remote classroom and the local classroom students and between the remote classroom and teachers is realized.
Live equipment of high definition, high definition video recording equipment specifically fix on local classroom podium, aim at mr and 4K display screen and classroom student panorama, carry out the high definition live and record a video with the content that mr lectures, 4K display screen specifically sets up the one side at the intelligent blackboard in classroom, wherein the live content of high definition passes through the 5G network transmission to the treater that sets up in the control cabinet in remote classroom on to show through the high definition display screen in remote classroom, wherein the content storage of high definition video is in storage module.
The infrared dynamic capturing device collects parameters of a first tracking camera of a first AR device through a high-definition infrared camera, and switching of multiple AR machine positions is achieved;
first AR equipment specifically sets up on roof and wall all around in local classroom to fix on the wall, first AR equipment is including following first track camera, target identification unit, the word and the picture on the 4K display screen that target identification unit gathered through first track camera carry out word recognition.
The second AR device is specifically disposed on a roof and surrounding walls in a remote classroom and fixed to the walls, and includes a second tracking camera.
The 4K display screen specifically adopts an LED module with the pixel point spacing of 1.53-1.86mm, and the 4K display screen specifically adopts the three-dimensional display of a multi-channel screen space.
LED module on the 4K display screen links to each other with video concatenation processing module through the wire respectively, video concatenation processing module links to each other with the controller in server, the classroom explanation control cabinet is rendered to the multichannel through the wire.
A control method of a remote immersion type simulation classroom based on AR comprises the following steps:
the method comprises the following steps: the communication equipment in the local classroom and the remote classroom are in communication connection through a 5G network;
step two: starting devices of a local classroom and a remote classroom, starting to collect video images and AR image data of teachers during teaching, sending the video images and the AR image data to the remote classroom, displaying the video images on a high-definition display screen, and enabling local students and remote students to attend classes at the same time;
step three: interactive video display of students in a local classroom and remote classrooms is carried out on a 4K display screen of the local classroom through a screen splitter, the first AR equipment collects limb actions of a teacher through a first tracking camera, and the infrared dynamic capturing equipment collects parameters of the first tracking camera of the first AR equipment through a high-definition infrared camera, so that switching of multiple AR machine positions is realized;
step four: the infrared dynamic capturing device is used for dynamically capturing the intelligent blackboard according to the stroke of a teacher in a lecture;
step five: the developments of the student in long-range classroom are caught through the second tracking camera to show student's developments transmission to the 4K high definition display screen in local classroom, the mr learns long-range student's developments in real time through 4K high definition display screen, realizes with long-range student's interactive teaching.
The first AR device in the third step can be further set as a head-mounted AR device, a camera is arranged on the head-mounted AR device, a plane object or an image on the 4K display screen is displayed as a space three-dimensional image through the camera, and the virtual space three-dimensional image is sent to the second AR device, so that students in a remote classroom can watch the virtual space three-dimensional image.
Compared with the prior art, the invention has the beneficial effects that: the AR-based remote immersive simulation classroom provided by the invention realizes remote real-time communication between a local classroom and a remote classroom through the 5G communication module, and meanwhile, the AR equipment is arranged in the local classroom and the remote classroom to realize immersive interactive learning of students in a classroom, so that not only can the students in the local classroom experience immersive learning, but also the students in the remote classroom can experience on-site listening, and the interaction between the students and teachers in the local classroom is realized, and the classroom teaching efficiency is high and full of pleasure.
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The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
As shown in fig. 1, the remote immersive simulation classroom based on AR of the present invention includes a local classroom and a remote classroom, wherein the local classroom is provided with a high-definition live broadcast device, a high-definition video recording device, a 4K display screen, an infrared dynamic capture device, a first AR device, and a classroom explanation console, the remote classroom is provided with a data receiving module, a high-definition display screen, and a second AR device for receiving live broadcast video of the local classroom, the data receiving module, the high-definition display screen, and the second AR device are respectively connected with a processor through wires, and the processor is disposed in the console;
the high-definition live broadcast equipment, the high-definition video recording equipment, the 4K display screen, the infrared dynamic capturing equipment and the first AR equipment are respectively connected with a controller in a classroom explanation console through wires, and a storage module and a wireless communication module are further arranged in the classroom explanation console;
the remote classroom receives high-definition live video data of the local classroom, explanation action images of teachers in the local classroom and classroom interaction images of students, which are acquired by the first AR device, and three-dimensionally displays the explanation action images on a high-definition display screen of the remote classroom;
the remote classroom acquires the interaction scene information of the remote students in class through the second AR device and sends the interaction scene information to the local classroom, so that classroom interaction between the remote classroom and the local classroom students and between the remote classroom and teachers is realized.
Live equipment of high definition, high definition video recording equipment specifically fix on local classroom podium, aim at mr and 4K display screen and classroom student panorama, carry out the high definition live and record a video with the content that mr lectures, 4K display screen specifically sets up the one side at the intelligent blackboard in classroom, wherein the live content of high definition passes through the 5G network transmission to the treater that sets up in the control cabinet in remote classroom on to show through the high definition display screen in remote classroom, wherein the content storage of high definition video is in storage module.
The infrared dynamic capturing device collects parameters of a first tracking camera of a first AR device through a high-definition infrared camera, and switching of multiple AR machine positions is achieved;
first AR equipment specifically sets up on roof and wall all around in local classroom to fix on the wall, first AR equipment is including following first track camera, target identification unit, the word and the picture on the 4K display screen that target identification unit gathered through first track camera carry out word recognition.
The second AR device is specifically disposed on a roof and surrounding walls in a remote classroom and fixed to the walls, and includes a second tracking camera.
The 4K display screen specifically adopts an LED module with the pixel point spacing of 1.53-1.86mm, and the 4K display screen specifically adopts the three-dimensional display of a multi-channel screen space.
LED module on the 4K display screen links to each other with video concatenation processing module through the wire respectively, video concatenation processing module links to each other with the controller in server, the classroom explanation control cabinet is rendered to the multichannel through the wire.
A control method of a remote immersion type simulation classroom based on AR comprises the following steps:
the method comprises the following steps: the communication equipment in the local classroom and the remote classroom are in communication connection through a 5G network;
step two: starting devices of a local classroom and a remote classroom, starting to collect video images and AR image data of teachers during teaching, sending the video images and the AR image data to the remote classroom, displaying the video images on a high-definition display screen, and enabling local students and remote students to attend classes at the same time;
step three: interactive video display of students in a local classroom and remote classrooms is carried out on a 4K display screen of the local classroom through a screen splitter, the first AR equipment collects limb actions of a teacher through a first tracking camera, and the infrared dynamic capturing equipment collects parameters of the first tracking camera of the first AR equipment through a high-definition infrared camera, so that switching of multiple AR machine positions is realized;
step four: the infrared dynamic capturing device is used for dynamically capturing the intelligent blackboard according to the stroke of a teacher in a lecture;
step five: the developments of the student in long-range classroom are caught through the second tracking camera to show student's developments transmission to the 4K high definition display screen in local classroom, the mr learns long-range student's developments in real time through 4K high definition display screen, realizes with long-range student's interactive teaching.
The first AR device in the third step can be further set as a head-mounted AR device, a camera is arranged on the head-mounted AR device, a plane object or an image on the 4K display screen is displayed as a space three-dimensional image through the camera, and the virtual space three-dimensional image is sent to the second AR device, so that students in a remote classroom can watch the virtual space three-dimensional image.
According to the AR-based remote immersion type simulation classroom provided by the invention, the first AR device and the second AR device are respectively arranged in the local classroom and the remote classroom, remote wireless communication is carried out through the 5G module, the lecture content of a teacher in the local classroom can be displayed on a high-definition display screen of the remote classroom in real time, meanwhile, the infrared dynamic capturing device is arranged, the parameter information of the first tracking camera is collected through the plurality of high-definition infrared cameras, the stable work of the system under the conditions of different positions and a plurality of interference objects can be ensured, the high sensitivity of the system is ensured up to 0.01mm accurate position, the switching of a plurality of AR machine positions and the dynamic shooting effect of the first tracking camera are realized, and the teacher is supported to carry out somatosensory control, such as explanation action, air scale and the like.
The infrared dynamic capturing device has the functions of capturing and previewing, can rapidly search relevant positioning information by previewing the marked object in real time, and captures data in real time: previewing motion capture data in real time and providing a whole body data processing function; a built-in data editor: advanced editing tools, which can edit the captured data.
The working process of the invention is as follows: the AR equipment of a local classroom and a remote classroom is turned on, the lecture content, the class courseware and the lecture interaction of a teacher are subjected to high-definition live broadcast through the high-definition live broadcast equipment, the high-definition live broadcast is transmitted to the remote classroom and displayed on a high-definition display screen, wherein the high-definition display screen can be divided into a plurality of display parts through a screen splitter, image data collected by the teacher, the courseware, students and the AR equipment in the local classroom is subjected to screen splitting display, meanwhile, the high-definition live broadcast equipment not only can carry out real-time live broadcast on the teacher and the courseware, but also can carry out live broadcast on the lecture panoramic live broadcast video of the students in the local classroom, simultaneously, the high-definition live broadcast equipment can also collect the lecture sound of the teacher and the answer and question asking sound of the students interacting with the students, and the sound of the sound and the video sound of the sound in the courseware, and the controller in a lecture classroom interpretation control console is used for carrying out data processing on the collected sound data, the method comprises the steps of inhibiting echo, eliminating noise and eliminating noises in a classroom; remote classroom receives live video and audio data through 5G communication module, and local classroom also can show remote classroom's panorama simultaneously, asks long-range student simultaneously in live, and the close-up picture of the student who answers the problem with long-range reaches back to local classroom with sound and shows, realizes real-time interdynamic.
The high-definition video recording equipment can record electronic courseware and sound of a class in a local classroom, and can record class-taking video, blackboard writing, student panorama, close-up scene and sound of a teacher in the local classroom and record question-asking and speech close-up scene and sound of students in a remote classroom; the playback mode of the high-definition video can be an interactive mode, and the teacher questions and the student answers are displayed in a split screen mode, or the video is directly displayed on a display screen according to the time sequence; the video adopts high definition 16:9, the resolution is 1080P, and the code rate is less than or equal to 5 Mbps.
According to the invention, a first AR device and a second AR device are respectively arranged in a local classroom and a remote classroom, a transmitted high-definition video is three-dimensionally displayed through the AR devices, and a student wears a head-wearing AR device to perform data processing on a video image acquired by a tracking camera to form a visible three-dimensional image; the method comprises the steps that a virtual three-dimensional space is mapped onto a 4K display screen, the output display of the screens in different directions is realized, and the perspective difference relation of the splicing included angles of the display screens is adjusted through software, so that the perfect transition of the content in each screen is realized, and a complete three-dimensional display effect is formed; the color displayed by the screen can be independently adjusted, including RGB, gray scale, contrast, brightness and the like, and the effect of shooting by each screen is uniform and has no color difference.
The 4K display screen is composed of a plurality of small-distance LED modules, images collected by each LED module need to be spliced through a video splicing processing module before image display is carried out, then the images are displayed, meanwhile, the high-definition infrared camera collects images of a teacher and a first AR tracking camera, image data collected by the high-definition infrared camera is sent to a multi-pass rendering server to carry out 3D image rendering, then the rendered images are displayed on the single LED module, finally, the images of the plurality of LED modules are spliced through the video splicing processing module and then displayed on the 4K display screen, and a student can see a three-dimensional image video by wearing head-mounted AR equipment.
The first AR device is provided with a target recognition unit, and the target recognition unit is used for displaying the text on the blackboard writing and courseware of the teacher.
The second AR equipment can also be arranged on a desk, each student is correspondingly provided with a display screen, remote-end students can wear AR glasses to carry out class taking, the display screens display returned high-definition videos in the local classroom and rendered video images, the three-dimensional videos can be watched through the AR glasses, the class taking state of the students in the local classroom can be achieved, namely immersive class taking is achieved, and meanwhile three-dimensional watching of lecture contents in the classroom can be experienced through the AR glasses.
It should be noted that, regarding the specific structure of the present invention, the connection relationship between the modules adopted in the present invention is determined and can be realized, except for the specific description in the embodiment, the specific connection relationship can bring the corresponding technical effect, and the technical problem proposed by the present invention is solved on the premise of not depending on the execution of the corresponding software program.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An AR-based tele-immersive simulation classroom, characterized in that: the remote classroom is provided with a data receiving module, a high-definition display screen and a second AR device, wherein the data receiving module, the high-definition display screen and the second AR device are respectively connected with a processor through wires, and the processor is arranged in the console;
the high-definition live broadcast equipment, the high-definition video recording equipment, the 4K display screen, the infrared dynamic capturing equipment and the first AR equipment are respectively connected with a controller in a classroom explanation console through wires, and a storage module and a wireless communication module are further arranged in the classroom explanation console;
the remote classroom receives high-definition live video data of the local classroom, explanation action images of teachers in the local classroom and classroom interaction images of students, which are acquired by the first AR device, and three-dimensionally displays the explanation action images on a high-definition display screen of the remote classroom;
the remote classroom acquires the interaction scene information of the remote students in class through the second AR device and sends the interaction scene information to the local classroom, so that classroom interaction between the remote classroom and the local classroom students and between the remote classroom and teachers is realized.
2. An AR-based tele-immersive simulation classroom as claimed in claim 1, wherein: live equipment of high definition, high definition video recording equipment specifically fix on local classroom podium, aim at mr and 4K display screen and classroom student panorama, carry out the high definition live and record a video with the content that mr lectures, 4K display screen specifically sets up the one side at the intelligent blackboard in classroom, wherein the live content of high definition passes through the 5G network transmission to the treater that sets up in the control cabinet in remote classroom on to show through the high definition display screen in remote classroom, wherein the content storage of high definition video is in storage module.
3. An AR-based tele-immersive simulation classroom as claimed in claim 1, wherein: the infrared dynamic capturing device collects parameters of a first tracking camera of a first AR device through a high-definition infrared camera, and switching of multiple AR machine positions is achieved;
first AR equipment specifically sets up on roof and wall all around in local classroom to fix on the wall, first AR equipment is including following first track camera, target identification unit, the word and the picture on the 4K display screen that target identification unit gathered through first track camera carry out word recognition.
4. An AR-based tele-immersive simulation classroom as claimed in claim 1, wherein: the second AR device is specifically disposed on a roof and surrounding walls in a remote classroom and fixed to the walls, and includes a second tracking camera.
5. An AR-based tele-immersive simulation classroom as claimed in claim 1, wherein: the 4K display screen specifically adopts an LED module with the pixel point spacing of 1.53-1.86mm, and the 4K display screen specifically adopts the three-dimensional display of a multi-channel screen space.
6. An AR-based tele-immersive simulation classroom as claimed in claim 5, wherein: LED module on the 4K display screen links to each other with video concatenation processing module through the wire respectively, video concatenation processing module links to each other with the controller in server, the classroom explanation control cabinet is rendered to the multichannel through the wire.
7. A control method of a remote immersion type simulation classroom based on AR is characterized in that: the method comprises the following steps:
the method comprises the following steps: the communication equipment in the local classroom and the remote classroom are in communication connection through a 5G network;
step two: starting devices of a local classroom and a remote classroom, starting to collect video images and AR image data of teachers during teaching, sending the video images and the AR image data to the remote classroom, displaying the video images on a high-definition display screen, and enabling local students and remote students to attend classes at the same time;
step three: interactive video display of students in a local classroom and remote classrooms is carried out on a 4K display screen of the local classroom through a screen splitter, the first AR equipment collects limb actions of a teacher through a first tracking camera, and the infrared dynamic capturing equipment collects parameters of the first tracking camera of the first AR equipment through a high-definition infrared camera, so that switching of multiple AR machine positions is realized;
step four: the infrared dynamic capturing device is used for dynamically capturing the intelligent blackboard according to the stroke of a teacher in a lecture;
step five: the developments of the student in long-range classroom are caught through the second tracking camera to show student's developments transmission to the 4K high definition display screen in local classroom, the mr learns long-range student's developments in real time through 4K high definition display screen, realizes with long-range student's interactive teaching.
8. The method of controlling an AR-based tele-immersive simulation classroom as claimed in claim 5, wherein: the first AR device in the third step can be further set as a head-mounted AR device, a camera is arranged on the head-mounted AR device, a plane object or an image on the 4K display screen is displayed as a space three-dimensional image through the camera, and the virtual space three-dimensional image is sent to the second AR device, so that students in a remote classroom can watch the virtual space three-dimensional image.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114363718A (en) * | 2022-03-18 | 2022-04-15 | 中科互联科技(广州)有限公司 | Classroom control method, device, equipment and medium for remote multimedia |
| CN114582185A (en) * | 2022-03-14 | 2022-06-03 | 广州容溢教育科技有限公司 | Intelligent teaching system based on VR technique |
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Application publication date: 20210803 |