CN103164991A - Network interactive teaching and research application system - Google Patents
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Abstract
The invention discloses a network interactive teaching and research application system which is based on service-oriented architecture (SOA)/web-oriented architecture (WOA). The network interactive teaching and research application system comprises a record module, a tracking identification module and a play directing module. The record module comprises a scene camera, a voice recording end and a camera shooting control module, wherein the camera shooting control module controls synchronous record of the scene camera and the voice recording end. The tracking identification module comprises a locating tracking camera and an identification module, wherein the identification module is used for identifying and adjusting frames shot by the locating tracking camera, the tracking identification module controls the scene camera to shoot area frames of an object tracked by the locating tracking camera, the scene camera shoots the frames, and the frames are stored and/or played through the play directing module.
Description
Technical field
The present invention relates to the teaching and research application system of a kind of interactive network teaching.
Background technology
SOA, WOA framework, the interface between using and using all adopts service technology to encapsulate, and with packaged service, is published on service bus, for the other side's application call.The application architecture technology is the development along with the computation schema technology, and both mutually promote, mutually support.Be robustness and the reusability that adapts to cloud computing mode, lifting development, the cost of saving system development and extended surface, the risk that reduces system development and extended surface of guaranteeing IT infrastructure, the efficient that improves system development and extended surface, the current member towards loose coupling of application system framework method and technology is integrated, Distributed Calculation two aspect fast developments, SOA has focused on feature and the advantage of this two aspect, becomes main stream approach and the technology of current application architectural framework.
The SOA framework has six large significant characteristics: concertedness (Interoperability), reusability (Reusability), composability (Composibility), contract of service (Service Contract), autonomy (Autonomy), loose coupling (Losely Coupling); The core value of SOA is service logic is directly encapsulated in the mode of service, and according to the needs of business and management, but flexible combination becomes each different service application.The WOA framework namely carries out Services Composition flexibly at the Web layer, and the software after making up or platform are published to high in the clouds; It is the key foundation framework technology of SaaS, the PaaS of cloud computing.
But lack the teaching and research application system of a kind of interactive network teaching based on the teaching and research activity management of interactive teaching of the education and scientific research network operation of above technology.
Summary of the invention
The purpose of this invention is to provide the teaching and research application system of a kind of interactive network teaching, its realization is automatically followed the tracks of, records and the picture of recording is switched.
The invention provides the teaching and research application system of a kind of interactive network teaching based on the SOA/WOA framework, comprise and record module, comprise
Record module, comprise scene video camera, voice recording end and shooting control module, described shooting control module is controlled the synchronous recording of scene video camera and voice recording end,
The Tracking Recognition module comprises location tracking camera and identification module, and the picture that described location tracking camera is taken is identified and regulated to described identification module, and Tracking Recognition module controls scene video camera is taken the regional picture of location tracking camera tracking target,
Instructor in broadcasting's module, described scene video camera shooting picture is also passed through instructor in broadcasting's module stores and/or broadcast with picture.
The teaching and research application system of described interactive network teaching also includes the predeterminable area module, and described location tracking camera is followed the tracks of the picture in predeterminable area module preset range, and described scene video camera is taken the picture in predeterminable area module preset range.
The teaching and research application system of described interactive network teaching comprises a plurality of predeterminable area modules, a plurality of location tracking camera and a plurality of scene video camera.
Described instructor in broadcasting's module also comprises audio-visual editor module, and described audio-visual editor module comprises file declustering module, paper cut module, Piece file mergence module, teaser or tail making module, index editor module.
The scene video camera includes automatic focusing module, and described automatic focusing module comprises full shot module and feature module.
The voice recording end comprises that tie clip formula wireless microphone and/or pickup hang miaow.
Record module and also include digital VTR, digital VTR is recorded display operation display interface content, and the digital VTR recorded content is synchronizeed with scene video camera, location tracking camera, voice recording end and shooting control module.
The teaching and research application system of described interactive network teaching comprises the IDX index module, and the IDX index module comprises video index and PPT index.
Identification module comprises people's face identification module, limb action module and voice module.
Described instructor in broadcasting's module comprises many pictures of multichannel playing module, single channel single-image playing module and many pictures of single channel playing module.
The teaching and research application system of interactive teaching provided by the invention, be used for carrying out as carrier take the teaching and research activity of the Web-based instruction, by management and the interaction to teaching resource, various ways promotes that the lifting of teachers ' teaching attainment, utilization of resources ability are strengthened, information literacy promotes to provide specialty to lead, the companion helps each other, the individual introspects etc., and is significant.
Description of drawings
Accompanying drawing is used for a further understanding of the present invention, and consists of the part of instructions, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the high-level schematic functional block diagram of the teaching and research application system of a kind of interactive network teaching provided by the invention.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing, it illustrates principle of the present invention as the part of this instructions by embodiment, other aspects of the present invention, and feature and advantage thereof will become very clear by this detailed description.
As shown in Figure 1, the invention provides the teaching and research application system of a kind of interactive network teaching based on the SOA/WOA framework, comprise
Record module, comprise scene video camera, voice recording end and shooting control module, described shooting control module is controlled the synchronous recording of scene video camera and voice recording end,
The Tracking Recognition module comprises location tracking camera and identification module, and the picture that described location tracking camera is taken is identified and regulated to described identification module, and Tracking Recognition module controls scene video camera is taken the regional picture of location tracking camera tracking target,
Instructor in broadcasting's module, described scene video camera shooting picture is also passed through instructor in broadcasting's module stores and/or broadcast with picture.
Above-mentioned location tracking camera can be identified the target location automatically, and identification module is dynamically controlled the camera track up, and realize target is followed the tracks of, and scene video camera optional position in the classroom scope can carry out accurately, in real time with bat.Outstanding good ground, the Tracking Recognition module can be divided into teacher's image recognition tracker, student's image recognition tracker, automatically the identification target location, and dynamically control the camera track up, realize that the teacher follows the tracks of and the teacher in the classroom scope optional position accurately, in real time with clapping.And adopt image intelligent recognition and tracking technology, need not tracked person and wear any utility appliance, just can realize target is carried out locking tracking, set camera views centered by the target of locking, control the focus adjustment that video camera carries out corresponding strategy.
The teaching and research application system of described interactive network teaching also includes the predeterminable area module, and described location tracking camera is followed the tracks of the picture in predeterminable area module preset range, and described scene video camera is taken the picture in predeterminable area module preset range.The teaching and research application system of described interactive network teaching comprises a plurality of predeterminable area modules, a plurality of location tracking camera and a plurality of scene video camera.
As preferably, the classroom can be divided into main region, normal areas, ignore the three kinds of tracing areas in zone, and self-defined each regional tracking strategy, as: lens zoom multiple, the highest shooting area of camera, minimum shooting area, tracking velocity etc.
Identification module is to utilize the image intelligent feature identification technique, dynamically carry out real-time analysis for the moving target in video, obtain in real time the shift position according to the feature of specific objective, and control video recording ball machine and complete the tracking picture-recording technology, the application of this technology can be from the infrared tracking mode of basic replacement, it has intelligent and anti-interference preferably, accuracy of identification is high, and strong adaptability is not subjected to the environmental impacts such as high light, sound, electromagnetism.
Student's image recognition tracker, the student only need stand up and can realize the image recognition tracking.When single student rises immediately, video camera can be taken in the feature mode; When a plurality of students rise immediately, video camera can the auto zoom camera lens, makes a plurality of students all enter shooting picture.
For example, blackboard writing on the blackboard zone and zone, dais can be set as the VIP zone, and the teacher walks about in this zone, and camera lens can carry out 2 times of features and take.Except blackboard writing on the blackboard zone and zone, dais, all the other zones are set as normal areas, teacher's teaching of walking about in this zone, and camera lens is taken in the panorama mode.Student zone (except the corridor) all is made as ignores the zone, serves as a teacher to go to when interactive with the student under the dais, and the location tracking camera carries out the locking-type track up to the teacher, and can not carry out track up to the student.When certain zone need to be taken with monotrack, system can automatically lock this regional speaker and carry out track up, and the impact that not walked about by other staff.When certain zone need to be taken with multiple target tracking, when two above speakers appearred in tracing area simultaneously, point was taken in the panorama mode centered by two people centres automatically.And for example, student's image recognition tracking coordinates with the auxiliary audio frequency positioning system, realizes the multiple regional audio frequency location in student zone.Student zone, classroom is divided into four or eight zones, but the automatic decision spokesman of system particular location, and give regional feature, spokesman's feature.Simultaneously can set the multiple zone of ignoring, as: staff zone, gateway, gate, classroom etc.
Described instructor in broadcasting's module also comprises audio-visual editor module and control module, described audio-visual editor module comprises that file declustering module, paper cut module, Piece file mergence module, teaser or tail make module, index editor module, described control module comprise video monitor module, video frequency switching module, cradle head control module, audio frequency adjusting module, live/as to record module, suspend module, special effects module, live supervision module.
In the recording process of Classic Course, no matter be full-automatic instructor in broadcasting's mode or artificial online instructor in broadcasting, the video of recording out might be wanted the classroom marrow of expressing not in full conformity with One Teacher, can not reach the requirement of " elaboration video ", this scheme be provided the strategy that to make " video elaboration " " the many pictures of multichannel+later stage instructor in broadcasting ".With many pictures of multichannel recorded broadcast pattern, each road picture video material is synchronously preserved, the later stage is converted to single channel elaboration instructional video to multi-channel video, and later stage instructor in broadcasting software can be realized new code check conversion, to make the more video file of small size.The file declustering module is split as independent a plurality of files to a plurality of video flowings in the multichannel file, and adapting to the editor of non-volume system, it is applicable to the video recorded with the many image modes of multichannel; The paper cut module is sheared faulty place in the video file of recording arbitrarily, to produce more perfect courseware; The stream file of Piece file mergence module after with a plurality of shearings merges processing, generates Single document; Teaser or tail is made module and is added fast head, run-out.
The scene video camera includes automatic focusing module, and described automatic focusing module comprises full shot module and feature module.
As preferably, take when single, video camera is taken in the feature mode, when to two or more target video camera auto zooms to corresponding multiple, make target enter the picture of shooting; And can realize that carrying out picture in automatic transversal scanning mode patrols bat, cause the dull sense of student's shooting picture when avoiding for a long time without student's interaction.
The voice recording end comprises that tie clip formula wireless microphone and/or pickup hang miaow.
Record module and also include digital VTR, digital VTR is recorded display operation display interface content, and the digital VTR recorded content is synchronizeed with scene video camera, location tracking camera, voice recording end and shooting control module.
The teaching and research application system of described interactive network teaching comprises the IDX index module, and the IDX index module comprises video index and PPT index.
Courseware after recording can carry out by a little systems the interpolation of later stage index, and the index file of generation is preserved with outside IDX file mode, can not destroy source file, and can arbitrarily modify.
Identification module comprises people's face identification module, limb action module and voice module.
Described instructor in broadcasting's module comprises many pictures of multichannel playing module, single channel single-image playing module and many pictures of single channel playing module.
The support of many pictures of multichannel recorded broadcast pattern is the synthetic Single document that can play of a plurality of video flowings, records, when watching, each video flowing or screen stream can drag arbitrarily or played in full screen.Later stage can split any one video flowing or screen stream separately, edit, or is combined into a new file.Its advantage is and can independently preserves on-the-spot each road signal.
Outstanding good ground, the video format of recording is WMV, live and point can adopt the mode of many split screens to play sowing time.Support simultaneously pulling arbitrarily of a plurality of video windows, also can click any one window and carry out full frame watching.
Single channel single-image recorded broadcast module is in a plurality of video flowings or screen stream, carries out N and selects a switching, only the video file that becomes the WMV form is recorded and exported to one of them stream, and this pattern is applicable to recording of Classic Course video.
Many pictures of single channel recorded broadcast module is supported in a plurality of video flowings or screen stream carries out many picture segmentation and merging, and You Jiadi can realize that N selects three switching, it is output as many picture videos file of a single current, also referred to as the mode of picture out picture.Generate the advantage of the single current video that can play in universal player in the advantage of the many scenes in the many image modes of this kind set of patterns multichannel and single channel recording playing mode.As preferably, in the single current video window, present in the 3 panes mode, the left side is two windows, the right is a main window.The major-minor window record or live in can by system's automatic switchover or manual switching.
The teaching and research application system of interactive teaching provided by the invention, be used for carrying out as carrier take the teaching and research activity of the Web-based instruction, by management and the interaction to teaching resource, various ways promotes that the lifting of teachers ' teaching attainment, utilization of resources ability are strengthened, information literacy promotes to provide specialty to lead, the companion helps each other, the individual introspects etc., and is significant.
Disclosed above is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application the scope of the claims still belongs to the scope that the present invention is contained.
Claims (10)
1. the teaching and research application system of the interactive network teaching based on the SOA/WOA framework, is characterized in that: comprise
Record module, comprise scene video camera, voice recording end and shooting control module, described shooting control module is controlled the synchronous recording of scene video camera and voice recording end,
The Tracking Recognition module comprises location tracking camera and identification module, and the picture that described location tracking camera is taken is identified and regulated to described identification module, and Tracking Recognition module controls scene video camera is taken the regional picture of location tracking camera tracking target,
Instructor in broadcasting's module, described scene video camera shooting picture is also passed through instructor in broadcasting's module stores and/or broadcast with picture.
2. the teaching and research application system of a kind of interactive network teaching according to claim 1 is characterized in that:
The teaching and research application system of described interactive network teaching also includes the predeterminable area module, and described location tracking camera is followed the tracks of the picture in predeterminable area module preset range, and described scene video camera is taken the picture in predeterminable area module preset range.
3. the teaching and research application system of a kind of interactive network teaching according to claim 2 is characterized in that:
The teaching and research application system of described interactive network teaching comprises a plurality of predeterminable area modules, a plurality of location tracking camera and a plurality of scene video camera.
4. the teaching and research application system of a kind of interactive network teaching according to claim 2 is characterized in that:
Described instructor in broadcasting's module also comprises audio-visual editor module and control module, described audio-visual editor module comprises that file declustering module, paper cut module, Piece file mergence module, teaser or tail make module, index editor module, described control module comprise video monitor module, video frequency switching module, cradle head control module, audio frequency adjusting module, live/as to record module, suspend module, special effects module, live supervision module.
5. the teaching and research application system of a kind of interactive network teaching according to claim 1 is characterized in that:
The scene video camera includes automatic focusing module, and described automatic focusing module comprises full shot module and feature module.
6. the teaching and research application system of a kind of interactive network teaching according to claim 1 is characterized in that:
The voice recording end comprises that tie clip formula wireless microphone and/or pickup hang miaow.
7. the teaching and research application system of a kind of interactive network teaching according to claim 1 is characterized in that:
Record module and also include digital VTR, digital VTR is recorded display operation display interface content, and the digital VTR recorded content is synchronizeed with scene video camera, location tracking camera, voice recording end and shooting control module.
8. the teaching and research application system of a kind of interactive network teaching according to claim 1 is characterized in that:
The teaching and research application system of described interactive network teaching comprises the IDX index module, and the IDX index module comprises video index and PPT index.
9. the teaching and research application system of a kind of interactive network teaching according to claim 1 is characterized in that:
Identification module comprises people's face identification module, limb action module and voice module.
10. the teaching and research application system of a kind of interactive network teaching according to claim 1 is characterized in that:
Described instructor in broadcasting's module comprises many pictures of multichannel playing module, single channel single-image playing module and many pictures of single channel playing module.
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