CN105139702A - Recording and broadcasting system used for teaching and use method thereof - Google Patents
Recording and broadcasting system used for teaching and use method thereof Download PDFInfo
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- CN105139702A CN105139702A CN201510658289.0A CN201510658289A CN105139702A CN 105139702 A CN105139702 A CN 105139702A CN 201510658289 A CN201510658289 A CN 201510658289A CN 105139702 A CN105139702 A CN 105139702A
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Abstract
The invention provides a recording and broadcasting system used for teaching. The recording and broadcasting system comprises an image acquisition module, an image processing module, an audio acquisition module, a control and tracking module, a data recording module, a data output module and a host module which is connected with the aforementioned modules, wherein the output end of the data recording module is connected with the output module. The system used for teaching has functions that intelligent teaching process recording can be realized and synchronous playing can also be realized. The invention also discloses a use method of the recording and broadcasting system used for teaching.
Description
Technical field
The present invention relates to teaching equipment field, referring to a kind of recording and broadcasting system for imparting knowledge to students especially, the invention still further relates to a kind of using method of the recording and broadcasting system for imparting knowledge to students.
Background technology
Traditional classroom instruction in the past can only be watched, even if will relay, first must record a video and make belt or laser disc, then implement play, time-consuming take a lot of work expense material and can not broadcast live, follow-up program request and intelligence switching etc.Along with the development of Information technology, the automaticity of recording and broadcasting system is more and more taken seriously, the mode of operation of this kind of form, has not only saved a large amount of human resources, and contributes to the network storage and the propagation of recorded broadcast information.
The existing recording and broadcasting system for imparting knowledge to students, because it needs the object of recorded broadcast more, therefore need photographer's auxiliary adjustment camera angle and focusing under most scene, but this photographer does not understand the topological design of course, finally just there will be a lot of wrong bat, leak the situation of clapping.If need to pursue good recorded broadcast effect, staff also needs to carry out later stage cooperation editing with teacher, considerably increase the labour intensity of staff, and the original teaching efficiency of teaching classroom is also difficult to present in real time.As from the foregoing, existing teaching recording and broadcasting system complex operation is contrary with efficiently high-quality recorded broadcast theory.And existing recorded broadcast equipment can not the active index in accurate statistics classroom: the enquirement number of times in classroom, the response rate of student; Automatic merogenesis process and partial video extraction can not be carried out for class offerings simultaneously; Can not from the synchronous recording of the shift action of motion tracking teacher, writing on the blackboard feature and computer VGA signal; Can not automatically switch and record camera lens and current letter computer VGA signal; Automatically the film mode compressed file of MP4 or other common formats can not be generated.
Summary of the invention
The present invention proposes a kind of recording and broadcasting system for imparting knowledge to students, and to solve in prior art easily to occur leaking to clap, wrongly to clap, and can not live broadcasting, network program request; Can not from the synchronous recording of the shift action of motion tracking teacher, writing on the blackboard feature and computer VGA signal; Can not automatically switch and record camera lens and current letter computer VGA signal; Automatically the problems such as the film mode compressed file of MP4 or other common formats can not be generated.
The invention allows for a kind of using method of the recording and broadcasting system for imparting knowledge to students, simple to operate, be convenient to promote.
Technical scheme of the present invention is achieved in that a kind of recording and broadcasting system for imparting knowledge to students, and comprising:
Image capture module: comprise band The Cloud Terrace video camera, for obtain classroom teacher give lessons time, learner answering questions problem time dynamic image, output terminal is connected with data recording module and image processing module respectively;
Image processing module: by the information of dynamic image that obtains from described video camera by the algorithm of computing machine and graphical analysis, judge the positional information of target;
Audio collection module: comprise microphone, for collecting sound signal during teaching;
Control and tracking module: control described video camera and tracking is positioned to target, and adjust feature;
Data recording module: the sound signal that the picture signal obtain described video camera and described microphone are collected carries out synchronous recording, for storing or externally exporting, the output terminal of described data recording module is connected with output module;
Data outputting module: be connected with the output terminal of described data recording module, is delivered to memory device or playback equipment, for subsequent treatment by the file that described data recording module is recorded;
Host module: be electrically connected respectively, for integration and the process of data with described image capture module, described image processing module, described audio collection module, described control and tracking module, described data recording module, described data outputting module.
Further, the number of described video camera is multiple, when a region has one or more target to occur or be mobile, described control module controls the intelligence such as described video camera is followed the tracks of target, feature, panorama and switches by the switchover policy pre-set, multichannel resource is recorded a video simultaneously and stored.
Further, described intelligence switches and comprises panorama when automatically identifying target mobile, switches between feature when standing, computer mouse computer VGA signal when being activated, and adopt the set-up mode of the adjustable priority class of traffic, according to user need priority level is set; Described playback equipment comprises the wireless transmission terminals (such as mobile phone, ipad etc.) such as LED display wire transmission or mobile phone, for on-the-spot broadcasting.
Further, described data recording module is provided with hard disk, the audio-video document gathered with long-time storage.
Based on a using method for described a kind of recording and broadcasting system for imparting knowledge to students, its step is as follows:
(1) obtain on-the-spot teaching dynamic image by described image capture module, described image capture module comprises some described video cameras, and described image comprises dynamically, still image, computer VGA signal, sound signal;
(2) by the information of dynamic image that obtains from described video camera by the algorithm of computing machine and graphical analysis, judge the positional information of target;
(3) according to the positional information of described moving target, adjust described video camera and tracking, feature are positioned to moving target person;
(4) synchronous recording is carried out to the picture signal that described video camera obtains, automatic generating video file or compressed file, for storing or externally exporting;
(5) file that described data recording module is recorded is delivered to memory device, for subsequent treatment; Or be delivered to playback equipment, with playing image and voice, to reach the object of live broadcasting.
Further, the information of dynamic image that obtains from described video camera by the algorithm of computing machine and graphical analysis, is judged the positional information of target and can adjust described monopod video camera and position tracking, feature, panorama and intelligent switching to described moving target person by step (2)
Further, step (5) file be conducted through wire transmission or wireless transmission form is carried out.
Recording and broadcasting system for imparting knowledge to students of the present invention, can realize the collection of the graphics/audio of teaching process etc., and the intelligence of data input switches, and realizes the effect of live broadcasting, improves the efficiency of teaching.
In addition, the present invention also has following advantage:
1, input also energy multi-channel recording simultaneously while described host module can allow one or more video signal source, a computer VGA signal source, an audio signal source;
2, system action when motion tracking teacher platform moves, allows teacher be in the middle of picture all the time;
3, system identifies computer VGA signal when rolling mouse (be a teacher, system thinks that VGA signal is activated) automatically;
4, system identifies that student stands, mobile and seated position automatically;
5, system can be current recording picture according to switchover policy automatic switchover teacher picture, writing on the blackboard picture, student's picture, close up view, panorama or the computer VGA picture preset.
6, audio frequency, audio video synchronization are recorded;
7, film mode and resources mode synchronous recording.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of recording and broadcasting system annexation schematic diagram for imparting knowledge to students of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of recording and broadcasting system for imparting knowledge to students, comprising:
Image capture module: comprise band The Cloud Terrace video camera, for obtain classroom teacher give lessons time, learner answering questions problem time dynamic image, output terminal is connected with data recording module and image processing module respectively;
Image processing module: algorithm and the graphical analysis of the information of the dynamic image obtained from video camera being passed through computing machine, judge the positional information of target;
Audio collection module: comprise microphone, for collecting sound signal during teaching;
Control and tracking module: control video camera and tracking is positioned to target, and adjust feature;
Data recording module: the sound signal that the picture signal obtain video camera and microphone are collected carries out synchronous recording, for storing or externally exporting, the output terminal of data recording module is connected with output module;
Data outputting module: be connected with the output terminal of data recording module, is delivered to memory device or playback equipment, for subsequent treatment by the file that data recording module is recorded;
Host module: be electrically connected respectively with image capture module, image processing module, audio collection module, control and tracking module, data recording module, data outputting module, for integration and the process of data.
Further, the number of video camera is multiple, when a region has one or more target to occur or be mobile, control module controls the intelligence such as video camera is followed the tracks of target, feature, panorama and switches by the switchover policy pre-set, multichannel resource is recorded a video simultaneously and stored.
Further, intelligence switches and comprises panorama when automatically identifying target mobile, switches between feature when standing, computer mouse computer VGA signal when being activated, and also can arrange priority according to user's request; Playback equipment comprises the wireless transmission terminals (such as mobile phone, ipad etc.) such as LED display wire transmission or mobile phone, for on-the-spot broadcasting.
Further, data recording module is provided with hard disk, the audio-video document gathered with long-time storage.
Based on an a kind of using method of the recording and broadcasting system for imparting knowledge to students, its step is as follows:
(1) obtain on-the-spot teaching dynamic image by image capture module, image capture module comprises some video cameras, and image comprises dynamically, still image, computer VGA signal, sound signal;
(2) information of the dynamic image obtained from video camera is passed through algorithm and the graphical analysis of computing machine, judge the positional information of target;
(3) according to the positional information of moving target, adjustment video camera positions tracking, feature to moving target person;
(4) synchronous recording is carried out, automatic generating video file or compressed file to the picture signal that video camera obtains, for storing or externally exporting;
(5) file that data recording module is recorded is delivered to memory device, for subsequent treatment; Or be delivered to playback equipment, with playing image and voice, to reach the object of live broadcasting.
Further, the information of the dynamic image obtained from video camera is passed through algorithm and the graphical analysis of computing machine by step (2), judges that the positional information of target also can adjust monopod video camera and position tracking, feature, panorama and intelligence switching to moving target person
Further, step (5) file be conducted through wire transmission or wireless transmission form is carried out.
In use procedure, general employing 2-5 video camera, a system host, a set of image recognition tracker, located camera, a set of audio system, supervisory keyboard, an an equipment enclosure and relevant wire rod composition.
Following function realizes:
1, the video camera of The Cloud Terrace is with to be arranged on dais, classroom blackboard metope 2-2.5 rice height and metope 2-2.5 rice At The Height below respectively.
2, teacher follows the tracks of: when teaching teacher freely walks about on dais time, after tracking camera on the wall automatic signal tracking teacher that can send according to tracker, allow teacher be in picture centre position always; Be a teacher when writing blackboard, teacher's tracking camera gives teacher's close-up shot automatically.
3, computer VGA signal switching: be a teacher touch dais computer mouse time, system identifies that teacher uses computer to give lessons automatically, and system automatically switches to computer picture.
4, student trace: be a teacher put question to student time, student stands and answers a question, and system is switched to student picture automatically.
5, be a teacher when to go to student region from dais, tracking camera is switched to student trace video camera from teacher's tracking camera and carries out teacher's track up.
6, when one, student region student stands and answers a question, system is to student's close-up shot, and when when student region while, two or more student stands and answers a question, system is to student region full shot, when certain target of student region moves, student trace camera follows target follow shot.
Audio recording:
Whole recording process, audio system is by hanging wheat audio transmission to the recording of recording and broadcasting system host synchronization, and academics and students, without the need to wearing any audio frequency apparatus, hangs wheat and is lifted on classroom ceiling.
Systematic evaluation:
The recording of whole video, audio frequency and computer VGA signal is all that system completes automatically, without the need to manual operation, recorded broadcast management software carries out switching and the shooting of student's picture, teacher's picture, writing on the blackboard close up view and computer VGA picture automatically, and generation MP4 compressed file is stored in recorded broadcast host hard drive automatically.
Recorded broadcast main frame has at least altogether 8 road video inputs and a road VGA to input, and main frame can record film mode and resources mode simultaneously, and all signal inputs carry out resource recording all simultaneously, facilitate later stage compilation to use.
System software: system works depends on recorded broadcast management software and software is followed the tracks of in image recognition, and recorded broadcast management software completes instructor in broadcasting, switches and records overall process, follows the tracks of software and completes image recognition and target following, and corresponding signal is sent to recorded broadcast main frame.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the recording and broadcasting system for imparting knowledge to students, is characterized in that, comprising:
Image capture module: comprise band The Cloud Terrace video camera, for obtain classroom teacher give lessons time, learner answering questions problem time dynamic image, output terminal is connected with data recording module and image processing module respectively;
Image processing module: by the information of dynamic image that obtains from described video camera by the algorithm of computing machine and graphical analysis, judge the positional information of target;
Audio collection module: comprise microphone, for collecting sound signal during teaching;
Control and tracking module: control described video camera and tracking is positioned to target, and adjust feature;
Data recording module: the sound signal that the picture signal obtain described video camera and described microphone are collected carries out synchronous recording, for storing or externally exporting, the output terminal of described data recording module is connected with output module;
Data outputting module: be connected with the output terminal of described data recording module, is delivered to memory device or playback equipment, for subsequent treatment by the file that described data recording module is recorded;
Host module: be electrically connected respectively, for integration and the process of data with described image capture module, described image processing module, described audio collection module, described control and tracking module, described data recording module, described data outputting module.
2. according to the recording and broadcasting system for imparting knowledge to students a kind of described in claim 1, it is characterized in that: the number of described video camera is multiple, when a region has one or more target to occur or is mobile, described control module controls the intelligence such as described video camera is followed the tracks of target, feature, panorama and switches by the switchover policy pre-set, multichannel resource is recorded a video simultaneously and stored.
3. a kind of recording and broadcasting system for imparting knowledge to students as requested described in 2, it is characterized in that: described intelligence switch comprise panorama when automatically identifying that target moves, switching between feature when standing, computer mouse computer VGA signal when being activated, and adopt the set-up mode of the adjustable priority class of traffic; Described playback equipment comprises LED display wire transmission or wireless transmission terminal, for on-the-spot broadcasting.
4. a kind of recording and broadcasting system for imparting knowledge to students as requested described in 3, is characterized in that: described data recording module is provided with hard disk, the audio-video document gathered with long-time storage.
5. want a using method for arbitrary described a kind of recording and broadcasting system for imparting knowledge to students in 1-4 based on right, its step is as follows:
(1) obtain on-the-spot teaching dynamic image by described image capture module, described image capture module comprises some described video cameras, and described image comprises dynamically, still image, computer VGA signal, sound signal;
(2) by the information of dynamic image that obtains from described video camera by the algorithm of computing machine and graphical analysis, judge the positional information of target;
(3) according to the positional information of described moving target, adjust described video camera and tracking, feature are positioned to moving target person;
(4) synchronous recording is carried out to the picture signal that described video camera obtains, automatic generating video file or compressed file, for storing or externally exporting;
(5) file that described data recording module is recorded is delivered to memory device, for subsequent treatment; Or be delivered to playback equipment, with playing image and voice, to reach the object of live broadcasting.
6. the using method of a kind of recording and broadcasting system for imparting knowledge to students as requested described in 5, it is characterized in that: the information of dynamic image that obtains from described video camera by the algorithm of computing machine and graphical analysis, is judged the positional information of target and can adjust described monopod video camera and position tracking, feature, panorama and intelligent switching to described moving target person by described step (2).
7. the using method of a kind of recording and broadcasting system for imparting knowledge to students as requested described in 5, is characterized in that: described step (5) file be conducted through wire transmission or wireless transmission form is carried out.
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| CN105611237A (en) * | 2015-12-22 | 2016-05-25 | 杭州凡龙科技有限公司 | Method for simulating five cameras by utilizing double cameras for education recording and broadcasting |
| CN105721837A (en) * | 2016-04-26 | 2016-06-29 | 北京京师乐学教育科技有限公司 | Student self-adaptive learning system and method |
| CN106131506A (en) * | 2016-08-23 | 2016-11-16 | 北京汉博信息技术有限公司 | A kind of visualization data tracking acquisition terminal |
| CN106657893A (en) * | 2016-11-10 | 2017-05-10 | 浙江蓝鸽科技有限公司 | Recorded broadcasting method and system with intelligent switching function |
| CN107135333A (en) * | 2017-06-28 | 2017-09-05 | 三峡大学 | A kind of teaching writing/playing system |
| CN107146177A (en) * | 2017-04-21 | 2017-09-08 | 阔地教育科技有限公司 | A kind of tutoring system and method based on artificial intelligence technology |
| CN107221211A (en) * | 2017-08-03 | 2017-09-29 | 卢桂强 | A kind of computer media distance education training instructional device |
| CN107360387A (en) * | 2017-07-13 | 2017-11-17 | 广东小天才科技有限公司 | Video recording method and device and terminal equipment |
| CN107396059A (en) * | 2017-08-24 | 2017-11-24 | 杭州凡龙科技有限公司 | A kind of panorama position adaptive student graphical analysis control method |
| CN108022205A (en) * | 2016-11-04 | 2018-05-11 | 杭州海康威视数字技术股份有限公司 | Method for tracking target, device and recording and broadcasting system |
| CN109118397A (en) * | 2018-08-01 | 2019-01-01 | 南京交通职业技术学院 | A kind of educational administration's teaching unified platform |
| CN109379559A (en) * | 2018-10-15 | 2019-02-22 | 安徽旭辰达电子科技有限公司 | A kind of tracking control system used applied to classroom instruction |
| CN109862323A (en) * | 2019-02-20 | 2019-06-07 | 北京旷视科技有限公司 | Playback method, device and the processing equipment of multi-channel video |
| CN110266984A (en) * | 2019-07-01 | 2019-09-20 | 浙江大学 | A kind of intelligent analytic instruction record-broadcast all-in-one machine of holder camera shooting |
| CN111050068A (en) * | 2019-11-29 | 2020-04-21 | 安徽文香信息技术有限公司 | Audio and video teaching recording and playing system and control method thereof |
| CN111083397A (en) * | 2019-12-13 | 2020-04-28 | 浙江大华技术股份有限公司 | Recorded broadcast picture switching method, system, readable storage medium and equipment |
| CN111263092A (en) * | 2020-01-20 | 2020-06-09 | 南京巨鲨显示科技有限公司 | Intelligent control system of medical recording and broadcasting integrated machine |
| CN112261331A (en) * | 2020-09-10 | 2021-01-22 | 北京中庆现代技术股份有限公司 | Recording and broadcasting system supporting intelligent AI teaching analysis |
| CN113596367A (en) * | 2020-04-30 | 2021-11-02 | 华中科技大学 | Intelligent course recording and broadcasting system for experiment teaching |
| CN114245146A (en) * | 2021-12-02 | 2022-03-25 | 北京鸿合爱学教育科技有限公司 | Display picture switching method, device, equipment and computer readable storage medium |
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| CN105611237A (en) * | 2015-12-22 | 2016-05-25 | 杭州凡龙科技有限公司 | Method for simulating five cameras by utilizing double cameras for education recording and broadcasting |
| CN105721837A (en) * | 2016-04-26 | 2016-06-29 | 北京京师乐学教育科技有限公司 | Student self-adaptive learning system and method |
| CN106131506A (en) * | 2016-08-23 | 2016-11-16 | 北京汉博信息技术有限公司 | A kind of visualization data tracking acquisition terminal |
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| CN106657893A (en) * | 2016-11-10 | 2017-05-10 | 浙江蓝鸽科技有限公司 | Recorded broadcasting method and system with intelligent switching function |
| CN106657893B (en) * | 2016-11-10 | 2019-09-03 | 浙江蓝鸽科技有限公司 | Recorded broadcast method and system with intelligent handoff functionality |
| CN107146177A (en) * | 2017-04-21 | 2017-09-08 | 阔地教育科技有限公司 | A kind of tutoring system and method based on artificial intelligence technology |
| CN107135333A (en) * | 2017-06-28 | 2017-09-05 | 三峡大学 | A kind of teaching writing/playing system |
| CN107360387A (en) * | 2017-07-13 | 2017-11-17 | 广东小天才科技有限公司 | Video recording method and device and terminal equipment |
| CN107221211A (en) * | 2017-08-03 | 2017-09-29 | 卢桂强 | A kind of computer media distance education training instructional device |
| CN107396059A (en) * | 2017-08-24 | 2017-11-24 | 杭州凡龙科技有限公司 | A kind of panorama position adaptive student graphical analysis control method |
| CN109118397A (en) * | 2018-08-01 | 2019-01-01 | 南京交通职业技术学院 | A kind of educational administration's teaching unified platform |
| CN109379559A (en) * | 2018-10-15 | 2019-02-22 | 安徽旭辰达电子科技有限公司 | A kind of tracking control system used applied to classroom instruction |
| CN109862323A (en) * | 2019-02-20 | 2019-06-07 | 北京旷视科技有限公司 | Playback method, device and the processing equipment of multi-channel video |
| CN110266984B (en) * | 2019-07-01 | 2020-12-18 | 浙江大学 | Intelligent analysis teaching recorded broadcast all-in-one is made a video recording to cloud platform |
| CN110266984A (en) * | 2019-07-01 | 2019-09-20 | 浙江大学 | A kind of intelligent analytic instruction record-broadcast all-in-one machine of holder camera shooting |
| CN111050068A (en) * | 2019-11-29 | 2020-04-21 | 安徽文香信息技术有限公司 | Audio and video teaching recording and playing system and control method thereof |
| CN111083397A (en) * | 2019-12-13 | 2020-04-28 | 浙江大华技术股份有限公司 | Recorded broadcast picture switching method, system, readable storage medium and equipment |
| CN111263092A (en) * | 2020-01-20 | 2020-06-09 | 南京巨鲨显示科技有限公司 | Intelligent control system of medical recording and broadcasting integrated machine |
| CN111263092B (en) * | 2020-01-20 | 2022-05-13 | 南京巨鲨显示科技有限公司 | Intelligent control system of medical recording and broadcasting integrated machine |
| CN113596367A (en) * | 2020-04-30 | 2021-11-02 | 华中科技大学 | Intelligent course recording and broadcasting system for experiment teaching |
| CN112261331A (en) * | 2020-09-10 | 2021-01-22 | 北京中庆现代技术股份有限公司 | Recording and broadcasting system supporting intelligent AI teaching analysis |
| CN114245146A (en) * | 2021-12-02 | 2022-03-25 | 北京鸿合爱学教育科技有限公司 | Display picture switching method, device, equipment and computer readable storage medium |
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