CN107491934A - A kind of 3D interview exam systems based on virtual reality - Google Patents
A kind of 3D interview exam systems based on virtual reality Download PDFInfo
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- CN107491934A CN107491934A CN201710659481.0A CN201710659481A CN107491934A CN 107491934 A CN107491934 A CN 107491934A CN 201710659481 A CN201710659481 A CN 201710659481A CN 107491934 A CN107491934 A CN 107491934A
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Abstract
The present invention relates to a kind of 3D interview exam systems based on virtual reality, including：Server, and scene database, interactive terminal, panoramic camera, at least one display terminal, the video database being connected with server communication, wherein, scene database is used to store the 3D scenes that can be interacted；Interactive terminal is that can carry out the virtual reality device of man-machine interaction so that the first user can operating interactive terminal so as to completing the man-machine interaction in 3D scenes；Panoramic camera is used for the image of the user of captured in real-time first；The man-machine interaction and the image of panoramic camera shooting that server is used in interactive terminal form composite video；Display terminal is used to show composite video to second user；Video database is used to store composite video.
Description
Technical field
The present invention relates to computer realm, the 3D interview exam systems more particularly to based on virtual reality.
Background technology
Interview belongs to the important step of recruitment, and traditional interview generally comprises interview, telephone interview face to face or regarded
The forms such as frequency interview.No matter which kind of form, interview is carried out by the way of question and answer, interviewer proposes problem, and job hunter returns
Question and answer is inscribed.For some professional skills for needing hands-on, interviewer also can only take the mode of assumed condition to be inquired,
Judge job hunter if appropriate for post by the oral account situation of job hunter.Also large-scale set can be related in the resume of some job hunters
Standby or expensive device use and operation, but interviewer does not know that the concrete operations of job hunter are horizontal.This will all cause portion
Point " opening one's mouth " ability is strong, but " starting " ability does not reach the job hunter of requirement and passes through interview.
In recent years, virtual reality (VR) technology is developed rapidly, and some virtual reality devices can not only provide 3D
The display of environment, and the man-machine interaction in 3D environment can be provided.This is moved to investigate the reality of job hunter in interview process
Hand ability provides technical foundation and with reference to opportunity.The present invention is desirable for virtual reality technology and solves to deposit in current interview process
The defects of, so as to provide a kind of 3D interview exam systems based on virtual reality.
It is in addition, as follows by retrieval, other background technologies of acquisition：
CN106454198A, the method and device interviewed by the video interview platform of mobile terminal.
CN106157722A, the interview training method and equipment of a kind of virtual reality.
CN104460950A, realize that user interacts with virtual objects simulation using virtual reality technology.
The content of the invention
It is an object of the invention to provide a kind of 3D interview exam systems based on virtual reality, including：Server, and with clothes
Scene database, interactive terminal, panoramic camera, at least one display terminal, the video database of business device communication connection, its
In, scene database is used to store the 3D scenes that can be interacted；Interactive terminal is the virtual reality device that can carry out man-machine interaction,
First user's operating interactive terminal is enabled to complete the man-machine interaction in 3D scenes；Panoramic camera is used for captured in real-time
The image of first user；The man-machine interaction and the image formation group of panoramic camera shooting that server is used in interactive terminal
Close video；Display terminal is used to show composite video to second user；Video database is used to store composite video.
According to an aspect of the present invention, the first user is job hunter, and second user is interviewer.Interviewer passes through display
Terminal can Real Time Observation to job hunter in the upper operation of virtual display device, i.e., can know the energy of starting of job hunter in real time
Power, it is the offer intuitively decision-making foundation that whether takes a job applicant on the staff.
During the present invention is completed, the other technologies effect of other technologies problem to be solved by this invention and acquirement
Fruit is showed the details by the technical scheme in embodiment.
Brief description of the drawings
Fig. 1 is the system block diagram of the present invention；
Fig. 2 is the schematic diagram that composite video is shown on the display terminal of the present invention；
Fig. 3 is the schematic diagram that interview video is shown from display terminal of the present invention；
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention will be made further with reference to accompanying drawing
It is described in detail.This description is to describe specific implementation consistent with the principles of the present invention by way of example, and not limitation
Mode, the description of these embodiments is detailed enough, to enable those skilled in the art to put into practice the present invention, is not being taken off
Other embodiment can be used in the case of from scope and spirit of the present invention and can change and/or replace each key element
Structure.Therefore, the following detailed description should not be understood from restrictive, sense.
As shown in figure 1, the invention provides a kind of 3D interview exam systems based on virtual reality, including：Server, Yi Jiyu
Scene database, interactive terminal, panoramic camera, display terminal, the video database of server communication connection.
Wherein, scene database is used to store the 3D scenes that can be interacted.Preferably, 3D scenes are to allow to ask in interview process
The 3D scenes of duty person's operation.
Interactive terminal includes that the virtual reality device of man-machine interaction can be carried out so that the first user being capable of operating interactive end
End obtains the 3D scene frames presented in virtual reality device so as to complete the man-machine interaction in 3D scenes.Virtual reality is set
Standby can be spectacle, or helmet-type, the present invention are not attempted to shape, standard, specification of virtual reality device etc.
Aspect is defined.Virtual display device can allow for obtaining the 3D scenes presented, simplest, record screen by 3D scenes to obtain
The 3D scene frames of the presentation taken, naturally it is also possible to the 3D scene frames of presentation are obtained according to the mode of other prior arts, the present invention
Line range limitation is not entered to the acquisition modes of virtual scene frame.
According to an aspect of the present invention, the first user is job hunter, first user's operating interactive terminal, so as in 3D fields
The finished surface required operating process of topic of having a try will be obtained for example, by modes such as record screens by 3D interview exam systems in scape.
Panoramic camera is used for the full-view image of the user of captured in real-time first.For example, the first subscriber's installation has interactive terminal
Virtual reality device, and the full-view image of operating interactive terminal.
Server is used for the full-view image formation group that the 3D scenes frame obtained according to interactive terminal and panoramic camera are shot
Close video.Display terminal is used to show composite video to second user.According to an aspect of the present invention, second user is interview
Official.The presentation of composite video so that interviewer can observe job hunter in interactive terminal in real time and simultaneously by display terminal
On physical operations, especially observe virtual display device upper opposite examination question purpose pseudo operation, so as to judge to hunt for a job
The ability of person.
Video database is used to store composite video, in case follow-up use.Especially, when interviewer can not determine on the spot
Whether job hunter can be enrolled, or when needing to solicit other staff's opinion with regard to the performance of job hunter, can will extract video
Composite video in database, to reappear the performance of job hunter at that time.
According to the present invention, composite video can be two independent videos, and one is the friendship obtained by 3D records screen mode
The 3D scene videos of mutual terminal, secondly being full-view image.But this composite video existing defects, it is necessary to display terminal simultaneously
Two videos are played, in the case where display terminal is not supported to play simultaneously, quickly can not be obtained simultaneously interior in two videos
Hold.Timely display terminal is supported to play while two videos, also due to the little difference of playing sequence, causes two videos
Content it is asynchronous.
To overcome above mentioned problem, server of the invention further comprises processor, and processor delays for creating combined frames
Deposit, combination frame buffer includes the first frame buffer and the second frame buffer；The resolution ratio of first frame buffer and the resolution ratio of 3D scene frames
It is identical, for receiving 3D scene frames；Second frame buffer is used to receive panoramic picture.Wherein, frame buffer be server in internal memory or
The one piece of caching opened up in video memory (preferably video memory), user caches 3D scenes frame and panoramic picture frame by frame, so as to form 3D scenes
With the combined frames of panoramic picture, each combined frames, which stack up, can access composite video.Obviously, composite video is single
Video, terminal can be shown and played, and the content needed not worry about between two independent videos is asynchronous.
Embodiment 1
In a kind of relatively simple implementation, interactive terminal, panoramic camera included by 3D interview exam systems and aobvious
It is all customization to show terminal, to cause the resolution ratio of each equipment to be adapted to each other.
Specifically, the resolution ratio of interactive terminal is arranged to X1*Y1, its 3D scene frame obtained for example, by modes such as record screens
Resolution ratio be X1*Y1, the resolution ratio of the first frame buffer for storing 3D scene frames is also arranged to X1*Y1 accordingly；Entirely
The resolution ratio of scape video camera is arranged to X2*Y2, and the resolution ratio of its panoramic picture shot is X2*Y2, stores panoramic picture
The resolution ratio of second frame buffer is also arranged to X2*Y2 accordingly.
Further, as shown in Fig. 2 3D scenes frame can be included in the left side of display terminal, panoramic picture to include
The right of display terminal.Customization interactive terminal and panoramic camera in the case of so that Y1=Y2=Y, i.e. interactive terminal and
The resolution ratio of panoramic camera in the Y direction is arranged to identical resolution ratio.
So, including the resolution ratio of combination frame buffer of first and second frame buffer is (X1+X2) * Y, the resolution of composite video
Rate is (X1+X2) * Y, and the resolution ratio of the display terminal of customization is also (X1+X2) * Y, so that composite video is whole in display
The display effect of presentation such as Fig. 2 on end.
As a kind of preferable mode, display terminal (combination frame buffer) X, the resolution ratio of Y-direction are 64：27, i.e.,
Using the display terminal of ultra-wide screen；Interactive terminal (the first frame buffer) X, the resolution ratio of Y-direction are 16：9, equivalent to general
The resolution ratio that widescreen is shown；Panoramic camera (the second frame buffer) X, the resolution ratio of Y-direction are 5:9, it is perpendicular equivalent to general
Shield the resolution ratio of display.
Embodiment 2
In embodiment 1, the setting of fixed resolution is really simple and convenient, but needs to be customized hardware device,
Generate inconvenience.For example, the performance requirement of display terminal is not high, originally can be realized by common PC even mobile phones, and
And many units have possessed the PC of redundancy, and majority have mobile phone, but due to the limitation of resolution ratio, but can only separately purchase
The display terminal of customization is put, causes the waste of existing resource.In order to overcome drawbacks described above, following scheme is proposed in example 2：
It is whole from display that at least one display terminal comprises at least a main display terminal and at least one (usually multiple)
End, the second frame buffer comprise at least main second frame buffer and at least one (usually multiple) from the second frame buffer, combination
Video (composite video for needing to be stored in video database) stores according in the first frame buffer and main second frame buffer
Frame determine, from composite video (composite video into video database need not be stored) according to the first frame buffer and from second
Frame buffer determines, and is shown corresponding from display terminal.
So, in addition to a fixed main display terminal, other display terminals need not customize, and increase substantially
The flexibility that uses.
According to the present invention, the resolution ratio of main second frame buffer is identical with the resolution ratio of full-view image；First frame buffer and master
Following relation between the resolution ratio of second frame buffer and the resolution ratio of display terminal be present：
Xp=n* (X1+X2)
Yp=n*Y1=n*Y2
Wherein Xp*Yp is the resolution ratio of main display terminal, and X1*Y1 is the resolution ratio of the first frame buffer, second based on X2*Y2
The resolution ratio of frame buffer；N is zoom factor；N values can be more than 1, might be less that 1, preferably equal to 1.Combine frame buffer
Resolution ratio is (X1+X2) * Y1.
The full-view image formation group shot according to the present invention, the 3D scenes frame and panoramic camera obtained according to interactive terminal
Video is closed to specifically include：The 3D scene frames presented in virtual reality device are mapped to the first frame buffer, full-view image is mapped
To the second frame buffer." mapping " means to scale, with compatible panoramic camera and the different resolution of interactive terminal.
Preferably, interactive terminal, panoramic camera are configured to meet shown in embodiment 1 in X, Y-direction resolution ratio
Resolution ratio relation, so as to the 3D scenes frame 1 that will be presented in virtual reality device:1 is mapped to the first frame buffer, by panorama shadow
As 1:1 is mapped to the second frame buffer.
According to the present invention, at least one display terminal also also includes including at least one from display terminal, the second frame buffer
It is at least one to show from the second frame buffer, processor according to the first frame buffer and from the second frame buffer corresponding from display terminal
Show video；From the resolution ratio of the second frame buffer according to the resolution ratio of the first frame buffer, corresponding resolution ratio from display terminal and
The resolution ratio of full-view image obtains.
In order to be likely to occur the panoramic camera with non-customized resolution ratio, interaction eventually simultaneously compatible from display terminal
Hold and from display terminal, to obtain preferable display effect from display terminal.
According to the present invention, the resolution ratio of the first frame buffer is still equal to the resolution ratio of 3D scene frames, to ensure that first uses
The operation at family is presented in display terminal by free of losses.On this basis, server also includes storage medium, in storage medium
Be stored with executable program, for any one from the second frame buffer, computing device executable program to realize following steps,
So as to obtain the resolution ratio from the second frame buffer：
Step S10, if
So set
Y2=Y1
Step S20, if
So set
X2=X1
Step S30, if
Xp >=Yp, and
So set
Y2=Y1
Step S40, if
So
Y2=Y1
X2=(D1-1) * X1
Step S50, X2=Xq, Y2=Yq are set.
Wherein, X1*Y1 is the resolution ratio of the first frame buffer, X2*Y2 respectively from the resolution ratio of the second frame buffer, Xq*Yq
For the resolution ratio of full-view image, Xp*Yp is the corresponding resolution ratio from display terminal；D1, D2 are coefficient, and D2<D1.
Preferably, the value that wherein D1 values are 1.3, D2 is 1.
Wherein, in step S10 and step S20, due to judge display terminal " can accommodate " under scale after 3D scenes frame and
Panoramic picture, therefore will be zoomed in and out from the second frame buffer, it is allowed to match with the first frame buffer in X or Y-direction, so as to complete
Whole splices with the first frame buffer.
In step S30, judge display terminal scaled under " can not accommodating " after 3D scenes frame and panoramic picture, it is but aobvious
Show that the resolution ratio of terminal in the X direction is larger, therefore delay to being cut out to be formed from the second frame from panoramic picture (resolution ratio)
Deposit, that is, sacrifice the partial resolution from the second frame buffer, but do not waste the display space of display terminal so that display terminal can
Frame buffer is combined under " receiving ".Its effect diagram is as shown in figure 3, i.e. the image of panorama camera shooting is in X-direction such as dotted line frame
It is shown, but shown in the solid box being arranged to inside dotted line frame from the resolution ratio of the second frame buffer, the part between actual situation line is
The part being tailored.
In step S40, judge display terminal scaled under " can not accommodating " after 3D scenes frame and panoramic picture, it is but aobvious
Show that the resolution ratio of terminal in the X direction is not big enough, therefore to be formed to being cut out from panoramic picture (resolution ratio) from the second frame
Caching, that is, sacrifice the partial resolution from the second frame buffer, also sacrifices the part display space of display terminal.Its effect diagram
As shown in figure 4, i.e. the image of panorama camera shooting in X-direction as illustrated with the dotted box, but the resolution ratio from the second frame buffer is set
It is set to shown in the solid box inside dotted line frame, the part between actual situation line is the part being tailored.Meanwhile with it is aobvious shown in Fig. 2
Show that terminal is compared, the display terminal shown in Fig. 4 sacrifices the part display space of upper and lower ends.
According to an aspect of the present invention, for Xp<Yp situation, it can also refer at step S30 and step S40
Reason, so as to reach the situation that can also play corresponding display effect using portrait layout in display terminal.But practised according to the operation of reality
Used, the frequency of use of transverse screen is considerably beyond portrait layout, it is therefore preferred that portrait layout is not further processed, is handled with simplifying
Mode.Although the mobile terminals such as mobile phone and PAD can use portrait layout, according to the present invention, it is connected to when server detects
When the display terminal of server is mobile phone or mobile terminal, if being unsatisfactory for step S20 condition, still according to the situation of transverse screen
Shown.
In step S50, when being unsatisfactory for step S10-S40 Rule of judgment, processing of revealing all the details is carried out, by point of panoramic picture
Resolution is as the resolution ratio from the second frame buffer.
According to the present invention, the video of display specifically includes：The 3D scenes frame 1 that will be presented in virtual reality device:1 is mapped to
First frame buffer, by full-view image 1:1 mapping or sampling are mapped to from the second frame buffer, and its sample rate is according to step S10- steps
S40 determinations, and shown according to corresponding to forming the first frame buffer and the frame stored from the second frame buffer from display terminal
Interview video.
According to the present invention, if meeting step S30 Rule of judgment, panorama influence sampling is being mapped to the second frame buffer
Before, also full-view image is cut out, after cutting out, the abscissa of each pixel of each frame of full-view image be satisfied by following condition with
Reach the display effect shown in Fig. 3：
If meeting step S40 Rule of judgment, before panorama influence sampling is mapped into the second frame buffer, also to complete
Scape image is cut out, and after cutting out, the abscissa of each pixel of each frame of full-view image is satisfied by following condition to reach shown in Fig. 4
Display effect：
Although the present invention essentially describes specific embodiment and application, it will be understood by those skilled in the art that the present invention is not
It is confined to this.According to method and system disclosed by the invention, for the obvious various modifications of those skilled in the art, change and
Change all without departing from the spirit and scope of the present invention.
Claims (10)
- A kind of 1. 3D interview exam systems based on virtual reality, it is characterised in that including：Server, and be connected with server communication Scene database, interactive terminal, panoramic camera, display terminal, video database；Wherein, the scene database is used to store the 3D scenes that can be interacted；The interactive terminal includes that the virtual reality device of man-machine interaction can be carried out so that the first user being capable of operating interactive end End is so as to completing the man-machine interaction in 3D scenes, and it is (such as logical to obtain the 3D scenes frame presented in the virtual reality device The scene frame crossed 3D scenes record screen and obtained)；The panoramic camera is used for the full-view image of the user of captured in real-time first (such as job hunter)；The server is used for the full-view image formation group that the 3D scenes frame obtained according to interactive terminal and panoramic camera are shot Close video；The display terminal is used to show composite video to second user (such as interviewer)；The video database is used to store composite video.
- 2. system according to claim 1, it is characterised in that the server includes processor, and the processor is used for Combination frame buffer is created, the combination frame buffer includes the first frame buffer and the second frame buffer；The resolution of first frame buffer Rate is identical with the resolution ratio of the 3D scenes frame, for receiving 3D scene frames；Second frame buffer is used to receive the panorama Image.
- 3. system according to claim 2, it is characterised in that it is aobvious that at least one display terminal comprises at least a master Show terminal, second frame buffer comprises at least main second frame buffer, and the composite video is according to first frame buffer Determined with the frame stored in the frame buffer of master second.
- 4. system according to claim 3, it is characterised in that the resolution ratio of the frame buffer of master second and the panorama shadow The resolution ratio of picture is identical；Following relation be present between the resolution ratio of the resolution ratio and display terminal of first frame buffer and main second frame buffer：Xp=n* (X1+X2)Yp=n*Y1=n*Y2Wherein Xp*Yp is the resolution ratio of main display terminal, and X1*Y1 is the resolution ratio of the first frame buffer, and the second frame delays based on X2*Y2 The resolution ratio deposited；N is zoom factor；The resolution ratio of the combination frame buffer is (X1+X2) * Y1.
- 5. system according to claim 4, it is characterised in that it is described be used for according to interactive terminal obtain 3D scenes frame and The full-view image of panoramic camera shooting forms composite video and specifically included：The 3D scenes that will be presented in the virtual reality device Frame 1:1 is mapped to first frame buffer, by the full-view image 1:1 is mapped to second frame buffer.
- 6. system according to claim 3, it is characterised in that at least one display terminal also include it is at least one from Display terminal, second frame buffer are also delayed including at least one from the second frame buffer, the processor according to first frame Deposit and video is shown from display terminal corresponding from the second frame buffer with described；The resolution ratio from the second frame buffer according to The resolution ratio of first frame buffer, corresponding obtained from the resolution ratio of display terminal and the resolution ratio of full-view image.
- 7. system according to claim 6, wherein the server also includes storage medium, stored in the storage medium There is executable program, for any one from the second frame buffer, executable program is following to realize described in the computing device Step, so as to obtain the resolution ratio from the second frame buffer：Step S10, if<mrow> <mfrac> <mrow> <mi>X</mi> <mi>p</mi> </mrow> <mrow> <mi>Y</mi> <mi>p</mi> </mrow> </mfrac> <mo>&GreaterEqual;</mo> <mfrac> <mrow> <mi>X</mi> <mn>1</mn> </mrow> <mrow> <mi>Y</mi> <mn>1</mn> </mrow> </mfrac> <mo>+</mo> <mfrac> <mrow> <mi>X</mi> <mi>q</mi> </mrow> <mrow> <mi>Y</mi> <mi>q</mi> </mrow> </mfrac> </mrow>SoY2=Y1<mrow> <mi>X</mi> <mn>2</mn> <mo>=</mo> <mi>X</mi> <mi>q</mi> <mo>*</mo> <mfrac> <mrow> <mi>Y</mi> <mn>1</mn> </mrow> <mrow> <mi>Y</mi> <mi>q</mi> </mrow> </mfrac> <mo>;</mo> </mrow>Step S20, if<mrow> <mfrac> <mrow> <mi>Y</mi> <mi>p</mi> </mrow> <mrow> <mi>X</mi> <mi>p</mi> </mrow> </mfrac> <mo>&GreaterEqual;</mo> <mfrac> <mrow> <mi>Y</mi> <mn>1</mn> </mrow> <mrow> <mi>X</mi> <mn>1</mn> </mrow> </mfrac> <mo>+</mo> <mfrac> <mrow> <mi>Y</mi> <mi>q</mi> </mrow> <mrow> <mi>X</mi> <mi>q</mi> </mrow> </mfrac> </mrow>SoX2=X1<mrow> <mi>Y</mi> <mn>2</mn> <mo>=</mo> <mi>Y</mi> <mi>q</mi> <mo>*</mo> <mfrac> <mrow> <mi>X</mi> <mn>1</mn> </mrow> <mrow> <mi>X</mi> <mi>q</mi> </mrow> </mfrac> <mo>;</mo> </mrow>Step S30, ifXp >=Yp, andSoY2=Y1<mrow> <mi>X</mi> <mn>2</mn> <mo>=</mo> <mrow> <mo>(</mo> <mfrac> <mrow> <mi>X</mi> <mi>p</mi> </mrow> <mrow> <mi>Y</mi> <mi>p</mi> </mrow> </mfrac> <mo>-</mo> <mfrac> <mrow> <mi>X</mi> <mn>1</mn> </mrow> <mrow> <mi>Y</mi> <mn>1</mn> </mrow> </mfrac> <mo>)</mo> </mrow> <mo>*</mo> <mfrac> <mrow> <mi>Y</mi> <mn>1</mn> </mrow> <mrow> <mi>Y</mi> <mi>q</mi> </mrow> </mfrac> </mrow>Step S40, if<mrow> <mfrac> <mrow> <mi>X</mi> <mn>1</mn> </mrow> <mrow> <mi>Y</mi> <mn>1</mn> </mrow> </mfrac> <mo>*</mo> <mi>D</mi> <mn>2</mn> <mo>&le;</mo> <mfrac> <mrow> <mi>X</mi> <mi>p</mi> </mrow> <mrow> <mi>Y</mi> <mi>p</mi> </mrow> </mfrac> <mo><</mo> <mfrac> <mrow> <mi>X</mi> <mn>1</mn> </mrow> <mrow> <mi>Y</mi> <mn>1</mn> </mrow> </mfrac> <mo>*</mo> <mi>D</mi> <mn>1</mn> </mrow>SoY2=Y1X2=(D1-1) * X1Wherein, X1*Y1 be the resolution ratio of the first frame buffer, X2*Y2 be respectively resolution ratio from the second frame buffer, Xq*Yq is complete The resolution ratio of scape image, Xp*Yp are the corresponding resolution ratio from display terminal；D1, D2 are coefficient, and D2<D1.
- 8. the value that system according to claim 7, wherein D1 values are 1.3, D2 is 1.
- 9. system according to claim 7, it is characterised in that further comprising the steps of：Step S50, X2=Xq, Y2=Yq are set.
- 10. according to claim 7-9 any described system, it is characterised in that the video of the display specifically includes：By institute State the 3D scenes frame 1 presented in virtual reality device:1 is mapped to first frame buffer, and the full-view image is sampled and mapped To described from the second frame buffer, according to corresponding to forming first frame buffer and the frame stored from the second frame buffer from The interview video shown on display terminal.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265025A (en) * | 2019-06-13 | 2019-09-20 | 赵斌 | A kind of interview contents recording system with voice and video equipment |
| CN114630101A (en) * | 2021-09-30 | 2022-06-14 | 海信视像科技股份有限公司 | Display device, VR device and display control method of virtual reality application content |
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| CN107491934B (en) | 2023-01-20 |
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