CN110415572A - A kind of simulating experimental system that VR is merged with 3D - Google Patents
A kind of simulating experimental system that VR is merged with 3D Download PDFInfo
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- CN110415572A CN110415572A CN201810888257.3A CN201810888257A CN110415572A CN 110415572 A CN110415572 A CN 110415572A CN 201810888257 A CN201810888257 A CN 201810888257A CN 110415572 A CN110415572 A CN 110415572A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The invention discloses the systems of complete set, including main frame and mating display, the VR helmet and mating VR handle, 3D projector or 3D liquid crystal display, imitating-true experiment software, fused controlling software composition.Main frame and the mating display+VR helmet and matched handle+imitating-true experiment software constitute a set of typical VR simulation teaching system, are used for simulated experimental teaching.The present invention solves VR system 3D system in simulated experimental teaching, due to respective advantage and disadvantage, and generates the problem of the practicability is poor, and solution deviates demand；The present invention gives full play to the advantage of VR and 3D technology, research and development are operated with VR first person, the the first/tri- people of 3D claims visual angle (changeable) participant observation to be characterized, and there is height feeling of immersion, interactivity and the VR/3D of safety to merge simulated experimental teaching system.
Description
Technical field
The invention belongs to IT application in education sector technologies, the crossing domain of VR virtual reality and 3D display technology, and in particular to empty
Quasi- reality technology, 3D display technology and correlation computer emulation technology.
Background technique
Virtual reality technology and 3D display technology (including 3D projection and 3D liquid crystal), have independently been applied to teaching and have worked as
In.Both technologies respectively have advantage and disadvantage.Virtual reality technology, feeling of immersion is strong, but generally can only a people operate, other
People can only be in a manner of plane 3D with the visual angle participant observation of VR operator, and not only visual angle can generate dizziness to observer, and not
The depth and feeling of immersion of scene can be experienced, although the VR that participant may be implemented by way of more VR systems connections is handed over
Mutually, but cost is high is not easy to promote.3D display technology may be implemented to claim visual angle (can cut with lower cost and the first/tri- people
Change) it is observed, but lack the high-immersion of VR system.
The present invention uses technological means, and two kinds of technologies are merged, the advantage of VR and 3D technology are given full play to, in conjunction with small
It studies science, the demand of the subjects such as middle school mathematics, physics, chemistry, develops with the operation of VR first person, the first/tri- people of 3D
Claim visual angle (changeable) participant observation to be characterized, has height feeling of immersion, interactivity and the VR/3D of safety fusion emulation real
Test tutoring system.
3D display technology at present requires dedicated 3D display equipment, continuous with common liquid crystals display screen refresh rate
It improves, the present invention exports right and left eyes synchronism switching signal using USB interface, and cooperation can end light liquid crystal film, invent and adapt to
The 3 D active eyeglasses of common non-3D dedicated display, realize 3D effect on common display.
Summary of the invention
The system that the present invention devises complete set is used for simulated experimental teaching.The present invention solves VR system 3D system
In simulated experimental teaching, due to respective advantage and disadvantage, and the problem of the practicability is poor, and solution deviates demand is generated；This
Invention gives full play to the advantage of VR and 3D technology, and research and development are operated with VR first person, and the first/tri- people of 3D claims visual angle (can
Switching) participant observation is characterized, and there is height feeling of immersion, interactivity and the VR/3D of safety to merge simulated experimental teaching system
System.
The present invention is made of five parts, is respectively: main frame and mating display, the VR helmet and mating VR hand
Handle, 3D projector or 3D liquid crystal display, imitating-true experiment software, fused controlling software composition.Main frame and mating display+VR
The helmet and matched handle+imitating-true experiment software constitute a set of typical VR simulation teaching system.Fused controlling software is real emulation
Test the scene fictionalized in software claims two virtual cameras at visual angle (changeable) to obtain virtually by independent the first/tri- people
The the first/tri- people in scene claims visual angle (changeable) image, is that simulation right and left eyes are seen respectively using two virtual cameras
Image；The image output that fused controlling software obtains above two virtual cameras is on 3D liquid crystal display or 3D projection.This
The Faculty and Students that sample does not wear the VR helmet can claim visual angle (changeable) by wearing 3D glasses with the first/tri- people,
The content of emulation experiment is observed and participated in.
The present invention is newly-increased to invent a kind of 3 D active eyeglasses for adapting to common liquid crystals display screen, using regular display and
USB interface realizes 3D effect.By USB interface, to the switching signal of glasses output left-right frames, the 3 D active eyeglasses, according to
The switching signal of frame opens left eye when opening right eye or cut-off right eye when ending left eye with liquid crystal film.The control signal of USB
Can be electric signal, or be converted into infrared signal, 3D glasses to the identification of signal with control the type of signal to corresponding.
Specifically:
A kind of simulating experimental system that VR is merged with 3D is set, comprising: the computer system with display, the VR helmet and matches
Cover VR handle, 3D projector or 3D liquid crystal display, emulation experiment module, fused controlling module；
Emulation experiment module storage in computer systems, the VR helmet and mating VR handle and computer system
Carry out data interaction, fused controlling module the scene fictionalized in emulation experiment module by independent changeable first/
Three people claim two virtual cameras at visual angle to obtain the first/tri- changeable people in virtual scene and claim perspective images, respectively mould
Intend into the image that right and left eyes are seen；The image output that fused controlling module again obtains above two virtual cameras is in 3D liquid
On crystalline substance screen or 3D projection,
It is described to be modeled to the image that right and left eyes are seen respectively and refer to: " left-eye camera " being respectively created in virtual scene
" right-eye camera " is then both configured to the two video cameras the subobject of main camera, follows main camera mobile；
The image output that the fused controlling module again obtains above two virtual cameras is thrown in 3D liquid crystal display or 3D
Shadow refers to that the computer system has second piece of screen of connection, which is 3D screen, the virtual of left and right eye camera Dynamical capture
Scene image is output on second piece of screen by the way of controlling side by side, realizes the fusion output of VR and 3D.
The image that fused controlling module is obtained from two virtual cameras again exports in the following manner:
Virtual camera image obtained for simulating right and left eyes, by left-right format or top-down format, combination exists
Together, pass through the external output signal of digital visual interface all the way.
The digital visual interface type of support includes: DVI, HDMI, DP, Mini-DP, the digital video signal, as branch
The 3D liquid crystal display of left and right or top-down format or the input signal of 3D projector are held, the menu that 3D liquid crystal display or 3D projector is arranged arrives
3D mode cooperates corresponding 3D glasses that the image of 3D effect can be seen.
The image that fused controlling module is obtained from two virtual cameras again exports in the following manner: for simulating left and right
The virtual camera image obtained of eye, independent output digital video signal are connected in two independent projectors,
Two independent above under type of projector are stacked together, and place the inclined of 90 degree of polarization angle difference before projector lens respectively
Positive, adjusts output position and focal length, the output of Shi Liangtai projector are completely coincident, and cooperation passive type polarization 3D glasses can be seen
To the image of 3D effect.
The digital visual interface type of support has: the video card of VGA, DVI, HDMI, DP, Mini-DP, computer will support 3
It more than road exports, the video card of computer or the combination of more video cards require 4 tunnels or the above signal fan-out capability, connect all the way mating with host
Display screen, connect the VR helmet all the way, connect all the way output left-eye image projector, all the way connect output eye image projector.
The image of the virtual camera with more wide viewing angle, the throwing of 3D signal is supported at more by segmentation interception output
On shadow machine, more projectors are using different level angle, on the screen image combined projection to 120 degree or bigger of cambered surface.
The image of the virtual camera with more wide viewing angle, by segmentation interception output in the projection for being one group with two
On machine, more projection units are using different level angle, on the screen image combined projection to 120 degree or bigger of cambered surface.
This system further includes a kind of 3 D active eyeglasses, and by USB interface, the switching signal of left-right frames is exported to glasses,
The 3 D active eyeglasses are opened when opening right eye or cut-off right eye when ending left eye with liquid crystal film according to the switching signal of frame
Left eye realizes 3D effect.
The control signal of USB can be electric signal, or be converted into infrared signal, identification and control of the 3D glasses to signal
The type of signal is to correspondence.
The present invention passes through fused controlling due to having given full play to the advantage of VR virtual reality technology and 3D display technology
Obvious shortcoming of two kinds of technologies when being applied to simulated teaching is evaded；Therefore, the present invention has very high practicability and popularization
Value.
Detailed description of the invention
Fig. 1: 1 structure chart of this patent embodiment
Fig. 2: 2 structure chart of this patent embodiment
Fig. 3: the implementation of the 3 D active eyeglasses of regular liquid crystal display is adapted to
Specific embodiment
1. being constituted typically by main frame and the mating display+VR helmet and matched handle+imitating-true experiment software
VR simulation teaching system, such system have been mature on the whole.Key of the invention is through fused controlling software emulation experiment
The scene fictionalized in software claims two virtual cameras at visual angle (changeable) to obtain virtual field by independent the first/tri- people
The the first/tri- people in scape claims visual angle (changeable) image, simulates right and left eyes respectively using two virtual cameras and is seen
Image；The image output that fused controlling software obtains above two virtual cameras is on 3D liquid crystal display or 3D projection.Pass through
Fused controlling software can allow user to select, and first person or third person are shown in 3D equipment；The fusion
The control logic of software is:
It is described to be modeled to the image that right and left eyes are seen respectively and refer to: " left-eye camera " being respectively created in virtual scene
" right-eye camera " is then both configured to the two video cameras the subobject of main camera, follows main camera mobile；
The image output that the fused controlling module again obtains above two virtual cameras is thrown in 3D liquid crystal display or 3D
Shadow refers to that the computer system has second piece of screen of connection, which is 3D screen, the virtual of left and right eye camera Dynamical capture
Scene image is output on second piece of screen, the camera shooting of the left and right eye camera and VR that create herein by the way of controlling side by side
Machine is coordination, therefore the fusion output of VR and 3D may be implemented.
It is a kind of its code implementation of above-mentioned logic below,
2. the output of fused controlling software has several different modes, with adapt to different 3D liquid crystal display or 3D projection and its
Combination.
(1) 3D output is carried out by digital video signal all the way: under the mode, for simulating the virtual camera of right and left eyes
Image obtained is combined by left-right format or top-down format, externally exports letter by digital visual interface all the way
Number.The digital visual interface type of support has: DVI, HDMI, DP, Mini-DP.It is left to can be used as support for the digital video signal
The menu of 3D liquid crystal display or 3D projector is arranged to 3D mould in the input signal of the 3D liquid crystal display of format or 3D projector under right or up
Formula cooperates corresponding 3D glasses i.e. it can be seen that the image of 3D effect.Under the mode, the video card of computer or the combination of more video cards are required
3 tunnels (or more) signal fan-out capability, display screen matched with host is connect all the way, connects the VR helmet all the way, is connect 3D output all the way and is set
It is standby.(see Fig. 1)
(2) 3D output is carried out by two-way digital video signal.Under the mode, for simulating the virtual camera of right and left eyes
Image obtained, independent output digital video signal are connected in two independent projectors.Digital video can be received
All projectors of signal are applicable.Two independent above under type of projector are stacked together, and divide before projector lens
Not Fang Zhi polarization angle differ 90 degree of polaroid.Adjustment output position and focal length, the output of Shi Liangtai projector are completely coincident.
Cooperating passive type polarization 3D glasses is the image it can be seen that 3D effect.The digital visual interface type of support has: VGA, DVI,
HDMI,DP,Mini-DP.Under the mode, the video card of computer will support 3 tunnels or more to export, under the mode, the video card of computer
Or the combination of more video cards require 4 tunnels (or more) signal fan-out capability, connect display screen matched with host all the way, connect VR head all the way
Helmet meets the projector of output left-eye image all the way, meets the projector of output eye image all the way.(see Fig. 2)
(3) 3D output is carried out by N railway digital vision signal.The mode is used for the emulation experiment that high-end VR is merged with 3D
System.On the basis of mode (1), the image of the virtual camera with more wide viewing angle, by segmentation interception output more
Platform supports in the projector of 3D signal that more projectors use different level angle, and image combined projection is big to 120 degree or more
Cambered surface screen on.
(4) 3D output is carried out by N*2 railway digital vision signal.The mode is used for the emulation that more high-end VR is merged with 3D
Experimental system.On the basis of mode (2), the image of the virtual camera with more wide viewing angle, pass through segmentation interception output
With two in one group of projector, more projection units using different level angle, image combined projection to 120 degree or
On the screen of bigger cambered surface.Mode (4) usually has better brightness and color representation than mode (3).
3. the implementation that invention adapts to the 3 D active eyeglasses of regular liquid crystal display is following (such as Fig. 3):
(1) the video output of the virtual camera of simulation right and left eyes is changed to the mode of timing left-right frames switching, i.e. frequency curtain
The image output actually obtained are as follows: the right frame of the left frame-> of the right frame-> of the left frame-> of the left right frame-> of frame->, and so on.Either
Left frame or right frame are exported by the way of full screen.
(2) virtual camera is when exporting left frame, allow in USB port one binary coding of output for example: 0000；Output is right
When frame, allows in USB port and export another binary coding for example: 1111.
(3) 3 D active eyeglasses are connected on USB interface, by internal simple logic control, when receiving 0000,
Left eye liquid crystal film is opened, while ending the liquid crystal film of right eye；When receiving 1111, ends left eye liquid crystal film, open simultaneously the right side
The liquid crystal film of eye.
Claims (9)
1. the simulating experimental system that a kind of VR is merged with 3D, comprising: the computer system with display, the VR helmet and mating VR hand
Handle, 3D projector or 3D liquid crystal display, emulation experiment module, fused controlling module；The emulation experiment module is stored in computer
In system, the VR helmet and mating VR handle and computer system carry out data interaction, and fused controlling module is emulation experiment
The scene fictionalized in module claims two virtual cameras at visual angle to obtain virtual field by independent the first/tri- changeable people
The the first/tri- changeable people in scape claims perspective images, is modeled to the image that right and left eyes are seen respectively；Fused controlling module is again
The image output that above two virtual cameras are obtained is on 3D liquid crystal display or 3D projection, it is characterised in that:
It is described to be modeled to the image that right and left eyes are seen respectively and refer to: be respectively created in virtual scene " left-eye camera " and
" right-eye camera " is then both configured to the two video cameras the subobject of main camera, follows main camera mobile；
The fused controlling module projects the image output that above two virtual cameras obtain in 3D liquid crystal display or 3D again
Refer to that the computer system has second piece of screen of connection, which is 3D screen, the virtual scene of left and right eye camera Dynamical capture
Image is output on second piece of screen by the way of controlling side by side, realizes the fusion output of VR and 3D.
2. a kind of simulating experimental system that VR as described in claim 1 is merged with 3D, it is characterised in that: fused controlling module is again
The image obtained from two virtual cameras exports in the following manner:
Virtual camera image obtained for simulating right and left eyes is combined by left-right format or top-down format,
Pass through the external output signal of digital visual interface all the way.
3. a kind of simulating experimental system that VR as claimed in claim 2 is merged with 3D, it is characterised in that: the digital video of support
Interface type includes: DVI, HDMI, DP, Mini-DP, the digital video signal, as the 3D liquid for supporting left and right or top-down format
The input signal of crystalline substance screen or 3D projector is arranged the menu of 3D liquid crystal display or 3D projector to 3D mode, cooperates 3D corresponding
The image of 3D effect can be seen in mirror.
4. a kind of simulating experimental system that VR as described in claim 1 is merged with 3D, it is characterised in that: fused controlling module is again
The image obtained from two virtual cameras exports in the following manner: the virtual camera for simulating right and left eyes is obtained
Image, independent output digital video signal are connected in two independent projectors, and two independent projectors are with upper and lower
Mode is stacked together, and places the polaroid that polarization angle differs 90 degree before projector lens respectively, adjusts output position and coke
Away from the output of Shi Liangtai projector is completely coincident, and cooperation passive type polarization 3D glasses are the image it can be seen that 3D effect.
5. a kind of simulating experimental system that VR as claimed in claim 4 is merged with 3D, the digital visual interface type of support have:
The video card of VGA, DVI, HDMI, DP, Mini-DP, computer will support 3 tunnels or more to export, the video card of computer or more video card groups
Conjunction requires 4 tunnels or the above signal fan-out capability, connects display screen matched with host all the way, connects the VR helmet all the way, connects output all the way
The projector of left-eye image, the projector for connecing output eye image all the way.
6. a kind of simulating experimental system that VR as claimed in claim 2 or claim 3 is merged with 3D, it is characterised in that: wider having
The image of the virtual camera at visual angle, through segmentation interception output in the projector of more support 3D signals, more projectors
Using different level angle, on the screen image combined projection to 120 degree or bigger of cambered surface.
7. a kind of simulating experimental system that VR as described in claim 4 or 5 is merged with 3D, it is characterised in that: wider having
The image of the virtual camera at visual angle, through segmentation interception output in the projector for being one group with two, more projection units
Using different level angle, on the screen image combined projection to 120 degree or bigger of cambered surface.
8. a kind of simulating experimental system that VR as described in claim 1 is merged with 3D, it is characterised in that: further include a kind of active
Formula 3D glasses, by USB interface, to the switching signal of glasses output left-right frames, which believes according to the switching of frame
Number, left eye is opened when opening right eye or cut-off right eye when ending left eye with liquid crystal film, realizes 3D effect.
9. a kind of simulating experimental system that VR as claimed in claim 8 is merged with 3D, it is characterised in that: the control signal of USB
Can be electric signal, or be converted into infrared signal, 3D glasses to the identification of signal with control the type of signal to corresponding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710664275 | 2017-08-05 | ||
| CN2017106642759 | 2017-08-05 |
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| CN110415572A true CN110415572A (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114020144A (en) * | 2021-09-29 | 2022-02-08 | 中孚安全技术有限公司 | Plot teaching system and method for confidential management training |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114020144A (en) * | 2021-09-29 | 2022-02-08 | 中孚安全技术有限公司 | Plot teaching system and method for confidential management training |
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Application publication date: 20191105 |