CN103888714B - 3D scene network video conference system based on virtual reality - Google Patents
3D scene network video conference system based on virtual reality Download PDFInfo
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- 238000004088 simulation Methods 0.000 claims abstract description 33
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- 230000007246 mechanism Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000013499 data model Methods 0.000 claims description 3
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Abstract
The invention provides a 3D scene network video conference system based on virtual reality. The 3D scene network video conference system comprises a 3D scene virtual conference hall module (1), a 3D scene virtual conference room module (2), a video conference server (3) and a simulation data bank (4), wherein the 3D scene virtual conference hall module (1) comprises a 3D conference hall (1-1), a service counter module (1-2) and a conference login module (1-3); the virtual conference room module (2) comprises a 3D conference room (2-1) used for simulating real conference room, an interaction tool module (2-2) and a staff on-line and off-line control module (2-3). Managing and using modes of a traditional network video conference are changed, so that a manager manages the conference system more easily, conventioneers take part in a conference in the mode close to an actual conferencing mode, the application threshold of the system is reduced, and cost of system training is reduced.
Description
Technical field
The present invention relates to a kind of analogue system, is based especially on the 3D scene network teleconferences of virtual reality technology realization
Client software, belongs to field of computer technology.
Background technology
The popular Software Videoconferencing System of Vehicles Collected from Market is all based on the form of the page and two-dimentional client, wherein meeting
Information is provided by Web page, and client is showed using window window forms, it is difficult to experience of attending a meeting on the spot in person is given,
The client of window windows needs user to shift to an earlier date learning manipulation just can be used, and 3D scene meeting rooms allow people to be even more knowledge one
Newly, scene 3Dization is carried out on existing conference system using 3D virtual reality technologies, is realized with reference to video conference and 3D technology
Under comprehensive combination of voice, video system and 3D virtual screens, dramatic carries out the network teleconference, shortens person to person
The distance between, realize the connection and interaction of cross-region.The interactive display on screen in virtual world can be passed through, closely, given birth to
The dynamic style experienced from different regions speaker, can make Meeting Held, and more truly, effect becomes apparent from.It is virtual existing
The 3D scene Video Conference Systems of real technology are, with the reproduction of real situation, to make one just as being attended a meeting in the space of reality
Activity, such as enters office block, and foreground queries conferencing information is attended a meeting into meeting room, opens the actions such as scialyscope.
The content of the invention
The technical problem to be solved is to simulate real conference scenario based on virtual reality technology, realizes 3D meetings
View hall and 3D meeting rooms, institute is functional to be required for being completed in 3D scenes.The major function of 3D conference scenarios, one is to represent true
Real field scape, two are can to support the operation under real scene.The meeting of participation in the way of participant is allowd to be close to actual meeting
Negotiation carries out meeting, reduces systematic difference threshold, reduces the cost of system training.
To solve above-mentioned technical problem, a kind of 3D scene Video Conference Systems based on virtual reality.Including 3D fields
The virtual meeting lobby module of scape, the virtual meeting room module of 3D scenes, videoconference server and simulation data base；Virtual meeting
The data storage of view lobby module and virtual meeting room module in simulation data base, virtual meeting lobby module and virtual meeting
Room module is set up with videoconference server by procotol and is connected.
Virtual meeting lobby module includes following component：
3D convention halls：Simulate real convention hall.3D convention halls include meeting statistic unit, meeting schedule list
Unit, display screen, occupancy, the idle data of current 3D meeting rooms in meeting statistic unit statistical simulation data base, and in display screen
Upper display；Convention hall is virtual reality, and participant can also freely run to the meeting room to be added in convention hall.
Information desk module：For meeting room status poll, conference creation and reservation function.Need to complete in convention hall
Operation great majority be required for being completed in information desk, such as meeting room state, meeting inquiry, conference creation and reservation, meeting is participated in
Deng.Can place operable computer to complete associative operation in information desk.
Meeting login module：For attending a meeting into virtual conference room.
3D convention halls, information desk module and meeting login module are linked in sequence；
Virtual meeting room module includes following component：
3D meeting rooms：3D meeting rooms are scenes when meeting is carried out, for simulating real meeting room, the real meeting of simulation
View room, make participant have sensation on the spot in person, the infrastructure that should possess meeting in scene, including meeting tables and chairs, projector,
Screen, mike, in addition related equipment should directly be operated in 3D scenes, complete the friendship of participant in meeting
Mutually.
Meeting room interaction tools module：For the operation of meeting room instrument.Exercisable meeting instrument is all in meeting room
Various instruments are carried out different operating by independent 3D models.
The online Off-line control module of personnel：For the display of personnel participating in the meeting's model.When personnel are online, system is automatically corresponding
Place the translucent famous brand for rendering on seat in real time, famous brand disappears when personnel are offline.
3D meeting rooms are connected with interaction tools module, the online Off-line control module of personnel.
The aforesaid 3D scene Video Conference Systems based on virtual reality, meeting room interaction tools module 2-2 includes
Video control module, audio frequency control module and projection module, video control module, audio frequency control module and projection module are all only
Vertical threedimensional model.
Video control module：Can according to actual needs or network condition passes through the operation in 3D meeting rooms to control in meeting
Video way.The video window that famous brand opens or closes the personnel can be clicked on, the size and location of designated window is selected, can
Designated is thrown to into projection screen or LED display.Video control module control video way method specifically includes following
Step：
1) the openable maximum number of the first variable save meeting is defined, shaping variable is obtained most by inquiry simulation data base
Big numerical value；
2) number of videos that the second variable save has already turned on is defined；
3) when opening video every time, the second variable will compare with the first variable, keep bivariate value to be less than or and
Equal to the first variable；
4) videoconference server receives the opening order application from video control module, and videoconference server is received
After video data, the positional information that simulation data base obtains personnel participating in the meeting's famous brand is inquired about, video display area is calculated, by video
It is displayed in region；
5) video server receives the shutdown command application from video control module, video server inquiry emulation data
The positional information of corresponding personnel participating in the meeting's famous brand is obtained in storehouse, calculates video display area and region is emptied.
Audio frequency control module：Can be by equipment such as loudspeaker, the mikes in operation 3D meeting rooms come control voice switch, sound
Amount and mike are opened and closed.Audio frequency control pattern can control computer by loudspeaker in 3D video conference rooms and microphone button
Voice switch, volume and mike opening and closing.Loudspeaker and mike in by clicking on 3D meeting rooms, by calling meter
The audio frequency control api interface of calculation machine operating system, transmits the audio frequency apparatus that corresponding audio control information carrys out control computer.
Projection module：There is the projector of simulation true effect and function in three-dimensional meeting room, meeting can be played by it
Video or photo information needed for view.Speaker can carry out on-line synchronous and broadcast with the file such as uploaded videos, PPT, WORD, EXCEL
Put and browse.
More preferably, 3D meeting rooms (2-1) include infrastructure component, conference facility component and meeting room component；3D meetings
The component of room (2-1) is realized based on unified Modeling, and infrastructure component, conference facility component and meeting room component is abstract for system
One bottom data model, logic mechanism, operator scheme；Infrastructure component, conference facility component and meeting room component include
3D display models, logic function and the attribute of data-interface three.
The beneficial effect that the present invention is reached：
The 3D scene network teleconference client softwares of the realization based on virtual reality technology of the present invention, by setting up
With real convention hall environment and the on all four phantom of meeting room function, set up and a meeting is organized in actual environment
On all four virtual simulation environment, it is allowed to which user is carried out being included in convention hall tissue by interactive operation mode and inquired about
Meeting, steps into the meeting room to be participated in, opens the operations such as scialyscope, viewing projection such that it is able to which complete simulation is really had a meeting
Process, so as to thoroughly change attending a meeting pattern based on the form of the page and two-dimentional client for traditional two-dimensional video meeting so that
Participant can participate in meeting and carry out meeting in the way of being close to reality and have a meeting, and reduce systematic difference threshold, reduce
The cost of system training, improves work efficiency.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention；
Fig. 2 is system virtualization convention hall module, the virtual conference room module logic graph of a relation of the present invention；
Fig. 3 is the system data logic control flow graph of the present invention.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of 3D scene Video Conference Systems based on virtual reality, including the virtual meeting of 3D scenes
View lobby module 1, the virtual meeting room module 2 of 3D scenes, videoconference server 3 and simulation data base 4；Virtual meeting hall
The data storage of module 1 and virtual meeting room module 1 in simulation data base 4, virtual meeting lobby module 1 and virtual conference room
Module 2 is set up with videoconference server 3 by procotol and is connected.
As shown in Figures 2 and 3, virtual meeting lobby module includes following component：
3D convention hall 1-1：Simulate real convention hall.3D convention halls 1-1 includes that meeting statistic unit, meeting are pacified
Row's unit, display screen, occupancy, the idle data of current 3D meeting rooms in meeting statistic unit statistical simulation data base 4, and aobvious
Show screen display；Convention hall is virtual reality, and participant can also freely run to the meeting to be added in convention hall
View room.
Information desk module：For meeting room status poll, conference creation and reservation function.Need to complete in convention hall
Operation great majority be required for being completed in information desk, meeting room state, meeting inquiry, conference creation and reservation, meeting participate in.Can
Place operable computer to complete associative operation in information desk.Information desk module 1-2 includes meeting room status poll
Unit is participated in unit, meeting query unit, conference creation unit, conference reservation unit, meeting；
Meeting room status poll unit is the menu queries on the virtual computer screen by operating information desk to provide, and is clicked on
Correspondence conference room name, retrieves the occupancy identification-state of meeting room in simulation data base 4, typically according to the conference room name for selecting
1 expression meeting room has occupied, and 0 represents meeting room idle condition.
Meeting query unit again by operation information desk provide virtual computer screen on menu queries, by click on
For button is inquired about in the meeting of meeting room, there is provided the meeting letter of related meeting room in meeting room keyword retrieval simulation data base 4
Breath, is displayed in the form of a list on the computer screen of information desk.
Target meeting room in simulation data base 4 is meeting occupancy, conference reservation by free mark by conference creation unit
Unit increases participant's information in the target meeting number of chambers of simulation data base 4 according in, and meeting can open number of videos, video
Resolution, the frame per second parameter information of video.Meeting participation unit passes through the Corresponding matching of data message in simulation data base 4 will join
Meeting people is incorporated into target meeting room.
Meeting login module：For attending a meeting into virtual conference room.
3D convention hall 1-1, information desk module 1-2 and meeting login module 1-3 are linked in sequence；
Virtual meeting room module include following component：
3D meeting room 2-1：3D meeting rooms are scenes when meeting is carried out, and for simulating real meeting room, simulation is true
Meeting room, make participant have sensation on the spot in person, the infrastructure that should possess meeting in scene, including meeting tables and chairs, throw
Shadow instrument, screen, mike, in addition related equipment should directly be operated in 3D scenes, complete participant in meeting
Interaction.
Meeting room interaction tools module：For the operation of meeting room instrument.Exercisable meeting instrument is all in meeting room
Various instruments are carried out different operating by independent 3D models.Meeting room interaction tools module 2-2 includes video control module, sound
Frequency control module and projection module, the video control module, audio frequency control module and projection module are all based on independent three
Dimension module is realized.
Video control module control method is：The control logic for opening video way is first to define a shaping variable
CanOpenCount obtains greatest measure preserving the openable maximum number of meeting by inquiring about simulation data base 4；Re-define one
Individual shaping variable OpenedCount keeps the number of videos having already turned on, and often opens video all the way, and the variable adds one, closes one
Then the variable subtracts one to road video；When opening video every time, OpenedCount variables will compare with CanOpenCount variables,
OpenedCount variables can not be more than CanOpenCount variables.Open video and opening video commands are sent to regarding by famous brand
Frequency server, video server sends video data to video control module according to order application is opened by network, receives and regards
Frequency inquires about the positional information that simulation data base 4 obtains the famous brand according to after, then calculates video display area, and video is shown
Show in the region, it is also to send closing video commands to video server, video server root by clicking on famous brand to close video
According to shutdown command application, video data is first closed, then photos and sending messages have been switched off information to video control module video, inquiry is imitative
True data storehouse 4 obtains the positional information of the famous brand, calculates video display area and this is shown that region empties.
Audio frequency control pattern can control the voice of computer by loudspeaker in 3D video conference rooms and microphone button
The opening and closing of switch, volume and mike.Order is sent by loudspeaker in 3D meeting rooms and mike, by calling calculating
The audio frequency control api interface of machine operating system, transmits the audio frequency apparatus that corresponding audio control information carrys out control computer.
The projection module includes projector, and video or photo information needed for meeting are played by the projector.
The online Off-line control module of personnel：For the display of personnel participating in the meeting's model.When personnel are online, system is automatically corresponding
Place the translucent famous brand for rendering on seat in real time, famous brand disappears when personnel are offline.
3D meeting rooms 2-1 is connected with interaction tools module 2-2, online Off-line control module 2-3 of personnel.
3D virtual conference rooms should possess the infrastructure of meeting, such as meeting tables and chairs, projector, screen, mike, related
Equipment should directly be operated in 3D scenes, complete the interaction of participant in meeting, in addition meeting room will also and it is existing
Real meeting room retains whether meeting room such as is carrying out the attributes such as meeting, the service condition inquiry of meeting room.This project is according to meeting
View chamber base setting, equipment operation and meeting room attribute, infrastructure are divided into by virtual conference room according to the principle of unified Modeling
Component, three models of conference facility component and meeting room component, the device abstract by various difference in functionalitys is unified bottom
The common features such as data model, logic mechanism, operator scheme, solve the key technology of virtual experimental Multi-disciplinary Modeling.
It is that meeting room decoration is made that infrastructure build, without operational attribute.Conference facility component is with independent operation
The least unit of function.Meeting room is the logical groups zoarium of infrastructure component and conference facility, and in addition meeting room has peculiar
Attribute.
Each attribute is described by reference format in unified model, and its extension mechanism ensures that Data-Link meets
The data transfer in downstream.Logic is come by the abstract logic special for general logical sum using OO definition method
Statement so that logic can conveniently be inherited and made a variation.
Meeting room component can realize the independent operation function of a meeting, and each meeting component shows mould comprising 3D
Type, logic function and the attribute of data-interface three.3D display models embody the outward appearance display properties of meeting room, logic function
The operating characteristic of model is contained, data-interface realizes inputoutput data, when data include that the title of meeting, meeting start
Between, meeting estimated number of participants and Session Topic etc..
The attribute that meeting room is included has a state of active conference room, idle or have a prior engagement.Whether currently have is carried out
Meeting.
The input signal of user is captured by device driver module to realize interactive operation under virtual environment, and is defined imitative
The concept of true participant, by input signal the natural interaction signal of close practical manner is converted to, and reaches interactive operation
Purpose.
Interface hardware drive module provides the signal capture function of conventional input equipment such as mouse, keyboard etc., Neng Goushi
When respond mode of operation of the user to peripheral hardware hardware.
Emulation participant obtains the menu operation event of the various events and user collected to input equipment, uses two
The position mapping method of three-dimensional environment is tieed up, is converted into being close to the natural interaction signal of practical operation.Including participant
The interactive operation of point of observation real time kinematics, and the operation such as press, rotate for element of installation.
The 3D convention halls 1-1, information desk module 1-2, meeting login module, 3D meeting rooms 2-1 and interaction tools mould
Data Control between block 2-2, online Off-line control module 2-3 of personnel is realized by the interactive operation under virtual environment；
Interactive operation under virtual environment specifically includes following steps,
The standby such as mouse of the interface hardware equipment of 1 information desk module 1-2 and interaction tools module 2-2, keyboard obtain interaction
Operational order, mode of operation of the real-time response user to peripheral hardware hardware；
2) personnel participating in the meeting of emulation obtains the menu operation event of the various events and user collected to input equipment,
Using the position mapping method of 2 d-to-3 d environment, the data conversion of mapping is believed into the natural interaction for being close to practical operation
Number；Including the interactive operation of participant's point of observation real time kinematics, and the operation such as press, rotate for element of installation.
3) the viewpoint operation of recording user operation process：Including to 3D convention halls 1-1,3D meeting room 2-1 with mutually start building
Movement, translation and the rotation of tool module 2-2；
4) input signal is converted to the natural interaction signal of close practical manner, the purpose of interactive operation is reached.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For those skilled in the art come
Say, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (9)
1. a kind of 3D scene Video Conference Systems based on virtual reality, it is characterised in that：Including the virtual meeting of 3D scenes
View lobby module (1), the virtual meeting room module (2) of 3D scenes, videoconference server (3) and simulation data base (4)；It is described
The data storage of virtual meeting lobby module (1) and virtual meeting room module (1) in simulation data base (4), the virtual meeting
View lobby module (1) and virtual meeting room module (2) are set up with videoconference server (3) by procotol and are connected；
The virtual meeting lobby module (1) includes：
3D convention halls (1-1)：For simulating real convention hall；The 3D convention halls (1-1) include that meeting statistics is single
Unit, meeting schedule unit, display screen, the meeting statistic unit counts accounting for for current 3D meeting rooms in the simulation data base
With, idle data, and show on a display screen；
Information desk module (1-2)：For meeting room status poll, conference creation and reservation function；
Meeting login module (1-3)：For attending a meeting into virtual conference room；
The 3D convention halls (1-1), information desk module (1-2) and meeting login module (1-3) are linked in sequence；
Described virtual meeting room module (2) includes：
3D meeting rooms (2-1)：For simulating real meeting room；
Interaction tools module (2-2)：For the operation of meeting room instrument；
The online Off-line control module (2-3) of personnel：Online Off-line control for personnel participating in the meeting's model shows；
The 3D meeting rooms (2-1) are linked in sequence with interaction tools module (2-2), the online Off-line control module (2-3) of personnel.
2. a kind of 3D scene Video Conference Systems based on virtual reality according to claim 1, it is characterised in that：
The information desk module (1-2) includes meeting room status poll unit, meeting query unit, conference creation unit, conference reservation
Unit is participated in unit, meeting；
Meeting room status poll unit retrieves meeting room in simulation data base by the 3D conference room names that information desk module is selected
Occupancy identification-state, display conference room take or idle condition；
Meeting query unit passes through the 3D conference room names that information desk module is selected, inquiry meeting room keyword retrieval emulation data
The data are fed back in the form of a list information desk module by the conferencing information data of related meeting room in storehouse；
Target meeting room in simulation data base (4) is meeting occupancy by free mark by conference creation unit；
Conference reservation unit increases participant's information, number of videos, video in the target meeting number of chambers of simulation data base (4) according in
The frame per second parameter information of resolution, video；
Meeting participation unit passes through the Corresponding matching of data message in simulation data base (4) and participant is incorporated into into target meeting
Room.
3. a kind of 3D scene Video Conference Systems based on virtual reality according to claim 1, it is characterised in that：
The display disappearance method of personnel participating in the meeting's model of the online Off-line control module (2-3) of the personnel is comprised the following steps,
Storage personnel model and famous brand model data in simulation data base (4), the online off-line state of personnel participating in the meeting preserves video council
In view server (3), videoconference server (3) is sent on personnel's model and famous brand model data by procotol
The online Off-line control module (2-3) of personnel, the online Off-line control module (2-3) of personnel receives personnel's presence notice, from imitative
Personnel and famous brand model are read in true data storehouse, according to 3D meeting rooms personnel participating in the meeting's quantity computing staff and the discharge position of famous brand model
Put, and the exhaust position information is stored in simulation data base (4)；The online Off-line control module (2-3) of personnel receives personnel
Off-line state is notified, from the positional information of the offline personnel of simulation data base inquiry, then deleted personnel and famous brand.
4. a kind of 3D scene Video Conference Systems based on virtual reality according to claim 1, it is characterised in that：
The 3D convention halls (1-1), information desk module (1-2), meeting login module, 3D meeting rooms (2-1) and interaction tools module
(2-2), the Data Control between the online Off-line control module (2-3) of personnel is realized by the interactive operation under virtual environment；
Interactive operation under virtual environment specifically includes following steps,
1) the interface hardware equipment of information desk module (1-2) and interaction tools module (2-2) obtains interaction operation command, rings in real time
Using mode of operation of the family to peripheral hardware hardware；
2) personnel participating in the meeting of emulation obtains the menu operation event of the various events and user collected to input equipment, uses
The position mapping method of 2 d-to-3 d environment, the data conversion of the mapping is believed into the natural interaction for being close to practical operation
Number；
3) the viewpoint operation of recording user operation process：Including starting building to 3D convention halls (1-1), 3D meeting rooms (2-1) and mutually
Movement, translation and the rotation of tool module (2-2)；
4) input signal is converted to the natural interaction signal of close practical manner, the purpose of interactive operation is reached.
5. a kind of 3D scene Video Conference Systems based on virtual reality according to claim 1, it is characterised in that：
Described meeting room interaction tools module (2-2) includes video control module, audio frequency control module and projection module, the video
Control module, audio frequency control module and projection module are all based on independent threedimensional model and realize.
6. a kind of 3D scene Video Conference Systems based on virtual reality according to claim 5, it is characterised in that：
The video control module is used to control video way, and the control video way method specifically includes following steps,
1) the openable maximum number of the first variable save meeting is defined, shaping variable obtains maximum number by inquiry simulation data base
Value；2) number of videos that the second variable save has already turned on is defined；
3) when opening video every time, the second variable will compare with the first variable, keep bivariate value to be less than or and be equal to
First variable；
4) videoconference server receives the opening order application from video control module, and videoconference server receives video
After data, the positional information that simulation data base obtains personnel participating in the meeting's famous brand is inquired about, calculate video display area, video is shown
In the region；
5) video server receives the shutdown command application from video control module, and video server inquiry simulation data base is obtained
The positional information of corresponding personnel participating in the meeting's famous brand, calculates video display area and the region is emptied.
7. a kind of 3D scene Video Conference Systems based on virtual reality according to claim 5, it is characterised in that：
The audio frequency control module controls voice switch, volume and the wheat of computer by loudspeaker in 3D video conference rooms and mike
The opening and closing of gram wind, 3D video conference rooms are by calling the audio frequency control api interface of computer operating system, and transmission is corresponding
Audio control information carry out the audio frequency apparatus of control computer.
8. a kind of 3D scene Video Conference Systems based on virtual reality according to claim 5, it is characterised in that：
The projection module includes projector, and video or photo information needed for meeting are played by the projector.
9. a kind of 3D scene Video Conference Systems based on virtual reality according to claim 1, it is characterised in that：
The 3D meeting rooms (2-1) include infrastructure component, conference facility component and meeting room component；The 3D meeting rooms (2-1)
Component based on unified Modeling realize, infrastructure component, conference facility component and meeting room component is abstract for unified bottom
Layer data model, logic mechanism, operator scheme；The infrastructure component, conference facility component and meeting room component include 3D
Display model, logic function and data interface attributes.
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