CN108008823A - A kind of immersed system of virtual reality vision reorientation method - Google Patents
A kind of immersed system of virtual reality vision reorientation method Download PDFInfo
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- CN108008823A CN108008823A CN201711367951.2A CN201711367951A CN108008823A CN 108008823 A CN108008823 A CN 108008823A CN 201711367951 A CN201711367951 A CN 201711367951A CN 108008823 A CN108008823 A CN 108008823A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/04815—Interaction with a metaphor-based environment or interaction object displayed as three-dimensional, e.g. changing the user viewpoint with respect to the environment or object
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
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Abstract
A kind of immersed system of virtual reality vision reorientation method, the present invention relates to a kind of virtual reality method.The space size that head-mounted display is shown is not meant to user can be allowed arbitrarily to walk about, and user may exceed the induction range of tracker device at any time, or bump against on real wall.The present invention comprises the following steps：Transmitted from virtual reality device and record the feedback signal for having current virtual real device location information to master control set；The video information content of virtual reality device is sent to by the master control set according to feedback signal adjustment, part image spacing is distorted or done shifting processing to realize the true walking of adaptation virtual world by spatial transform method.The technical program passes through vision reorientation method, part image spacing is distorted or is done shifting processing, the walking of real world is matched with virtual world, the synchronous illusion effect of locality between virtual world and real world is realized, to realize preferably immersion experience.
Description
Technical field
The present invention relates to a kind of virtual reality method, especially a kind of immersed system of virtual reality vision redirection side
Method.
Background technology
The display that virtual image can be produced is commonly used in the display device for being located adjacent to user's eyes.These displays
Device is referred to as near-to-eye displays, for example, the head-mounted display being widely known by the people.After wearing head-mounted display, make
User can not can only see the virtual world in virtual reality system by visual perception real world.
Virtual reality system generally comprises head-mounted display, host apparatus and tracker device.Virtual reality system
Connected through operation and accessory device communication.Tracker device can cause user while head-mounted display is worn, to remove
Rotated in place in the world of immersion, the movement of algorithm and sensor senses to user can also be utilized so that it is determined that user exists
Relative position in space.Using tracker device in addition to user can be allowed to have more preferable feeling of immersion, its dizziness produced
Sense can also be greatly reduced, and user is because the asynchronous sense of picture caused by displacement is wholly absent.
Virtual reality system is to we provide the virtual world in a unlimited border, but actually user more goes back
It is to be strapped in real world.The space size that head-mounted display is shown is not meant to user can be allowed arbitrarily to walk about,
User may exceed the induction range of tracker device at any time, or bump against on real wall.Therefore needing one kind to allow makes
User, can be with the method for virtual world synchronous walking in virtual reality system in limited real space.
The content of the invention
The technical problem to be solved in the present invention and the technical assignment proposed are prior art to be improved with being improved,
A kind of immersed system of virtual reality vision reorientation method is provided, for the purpose of.For this reason, the present invention takes following technical side
Case.
A kind of immersed system of virtual reality vision reorientation method, comprises the following steps：
1）Virtual reality device is connected with master control set；
2）Vision signal is transmitted to virtual reality device from master control set；
3）Transmitted from virtual reality device and record the feedback signal for having current virtual real device location information to master control set；
4）The video information content of virtual reality device is sent to by the master control set according to feedback signal adjustment, by part picture
Spatial warping does shifting processing to realize that adapting to the true of virtual world walks by spatial transform method.
By vision reorientation method, part image spacing is distorted or done shifting processing, make the row of real world
Walk and match with virtual world, realize the synchronous illusion effect of locality between virtual world and real world, with realization more
Immersion is experienced well.
As further improving and supplementing to above-mentioned technical proposal, present invention additionally comprises following additional technical feature.
The video information content is included to the door or the information for the position being movable to outside viewing picture, master control set
Signal according to virtual reality device feedback realizes that rationally virtual displacement is done in the position on the door or being movable to, to realize that space becomes
Change.By on the door or rationally virtual displacement is done in the position that is movable to, realizing that the space between real world and virtual world becomes
Change.
The spatial transform method includes the conversion of angle and/or displacement, steering angle and/or displacement in virtual world
By the processing of master control set, realize steering angle in real world and/or displacement and steering angle in virtual world and/or
Displacement difference is with avoiding obstacles.According to virtual world and the correspondence of real world, by angle and/or the adjustment of displacement,
Realize accordingly displacement and/or angle adaptation.
When being straight line moving in the virtual world, adjusted by calculating, real world is to displacement and angle by suitable
When adjustment, radiused walking in the enclosed space is realized, to avoid the wall of the closing in real world and positioned at closing
Barrier among place；Be straight line moving in virtual world, and in real world current corresponding direction and position straight line
When being just straight line path, then handled without the adjustment of angle.Realize the adaptation method of virtual world cathetus walking.
Virtual world be straight line moving path from real world but encounter obstacle or wall distance it is different when, both
Step pitch is adjusted by conversion processing with realizing while encountering the corresponding of obstacle.This method can realize touching effect true to nature, make
People is difficult the difference for distinguishing virtual reality and real world, and effect is more preferable.
In the virtual world, both sides have barrier and weave in and out during encountering barrier, no matter tortuous angle is more
Greatly, it can be processed into real world when encountering closed boundary and turn around to turn back and calculated when walking adjustment angle and step pitch,
Make between the two stifled adjacent walls that walking is converted into closing real world between two stifled opposite walls in virtual world 90 degree
Circular arc is turned back.The weave in and out in virtual world, and the effect that can be kept straight on can be effectively realized within the enclosed space.
The virtual reality device includes location tracking device, head-mounted display and handle, the location tracking device
The true place for realizing virtual reality is distributed in, to realize comprehensive location tracking to user.By being set in true place
Location tracking device, to realize the comprehensive location tracking to user, realizes the information feedback to master control set, to realize position
Put the calculating with angle accommodation.
The real world is square enclosure space, and 2 sets or 4 sets of the location tracking device is diagonal to be distributed.Square envelope
It is small to close space hold place, from external disturbance, by 2 sets or 4 sets of location tracking devices in diagonal distribution, it can be achieved that comprehensively effectively
Position is followed the trail of.
The head-mounted display connects master control set transmission video signal by HDMI video line, passes through 3.5mm sounds
Frequency line is connected transmission audio signal with master control set, is connected by DC3.5 power cords with master control set and obtains power supply；Location tracking
Device and handle are connected transmission location information and handle key information with master control set using 2.4GHz wireless modes.HDMI video line
Super clearly video pictures can be transmitted, immersion effect easy to implement, transmits audio signal by 3.5mm tone frequency channel wires, passes through
DC3.5 power cords obtain power supply, location tracking device and handle and are wirelessly transferred location information and handle key information using 2.4GHz,
Technology maturation, stability are good.
The side size range of the square enclosure space is between 2.5 ~ 3.5.Suitable less enclosure space takes field
Ground is small, and cost is low, and disclosure satisfy that the simulation to virtual world walking.
Beneficial effect：
1st, in this way, the large-scale walking in virtual world can be realized in narrow and small enclosure space, without user
Establish very big real space, it becomes possible to experience the unconfined walking in large-scale virtual world；
2nd, since virtual world and real world realize adaptive algorithm adjustment, when virtual world touches wall, real generation
Boundary also touches wall, therefore without considering to unintentionally encounter the wall or other barriers in reality, immersion experience effect is more forced
Very；
3rd, relative to the prior art, the space constraints that virtual reality device is positioned in real space are greatly improved, together
When due to user action done planning property limitation, even if user wear head-mounted display after can not see reality
The world, the barrier not also being afraid of outside the real space for bumping against delimitation, improves user after head-mounted display is worn
Security.
Brief description of the drawings
Fig. 1 is present system connection diagram.
Fig. 2 is that the information of master control set and virtual reality device of the present invention transmits schematic diagram.
Fig. 3 is the closed room walking schematic diagram that the present invention is equipped with barrier.
Fig. 4 is the weave in and out route schematic diagram in virtual manoeuvre corridor of the invention.
Fig. 5 is that the circular arc of the corresponding real world closed rooms of Fig. 4 of the present invention is turned back route schematic diagram.
In figure：1- master control sets；2- location tracking devices；3- head-mounted displays；4- handles；5- closed rooms；6- obstacles
Thing；7- walking paths；8- straight lines aisle；The virtual manoeuvre corridors of 9-；10- weave in and out routes；11- circular arcs are turned back route.
Embodiment
Technical scheme is described in further detail below in conjunction with Figure of description.
Example one
As shown in Figs. 1-3, in the closed room 5 of a 3m × 3m, establish one has interval by two closing semicircles and centre
Barrier 6, diagonal 2 location tracking devices 2 for building virtual reality system in the space；User wears wear-type and shows
Device 3, and be allowed to be connected with master control set 1 by HDMI video line, 3.5mm tone frequency channel wires and DC3.5 power cords, location tracking device 2
And handle 4 is connected using 2.4GHz wireless modes with master control set 1, user walks in the virtual world of immersion, virtually
The world is a whole office building floor, cloth roomful and corridor.
Master control set 1 transmits virtual world vision signal to head-mounted display 3, and user is according to head-mounted display 3
Display picture walking；The positional information of user is real-time transmitted to master control set 1,1 foundation of master control set by location tracking device 2
Barrier 6 in positional information and the closed room of record 5, is adjusted the video information content of transmission, allows user
The virtual world seen is straight forward, but is possessing long enough really slightly offset from straight line in real space
After the walking path 7 of degree, the walking path 7 of user can be adjusted to by a dependence semicircle wall by the method for adjustment
180 ° of arc paths of wall；By the adjustment for angle of suitably walking, user unlimited in limited real space can walk
Go down.
When user goes to semicircle cross section, location tracking device 2 recognizes the positional information, and location information is sent to master
Device 1 is controlled, master control set 1 makes user move towards another side according to this information, instant adjustment picture.
Example two
As shown in figure 3, it is diverted through with example one the difference is that when user goes to semicircle cross section between two semicircles
During straight line aisle 8, the displacement of 1 adjustment real world of master control set is adapted with virtual world, without the adjustment of angle.
Example three
As shown in Fig. 1,2,4 and 5, in the closed room 5 of the clear 6 of a 3m × 3m, the diagonal of the space builds void
Intend 2 location tracking devices 2 of reality system；User wears head-mounted display 3, and passes through HDMI video line, 3.5mm audios
Line and DC3.5 power cords are allowed to be connected with master control set 1, and location tracking device 2 and handle 4 use 2.4GHz wireless modes and master control
Device 1 connects, and user walks in the virtual world of immersion, and virtual world is virtual fire drill scene, in the scene
User has to use weave in and out route 10 in virtual manoeuvre corridor 9, can go out.
Master control set 1 transmits virtual world vision signal to virtual reality device, and user is according to head-mounted display 3
Display picture is walked；The positional information of user is real-time transmitted to master control set 1 by location tracking device 2, and master control set 1 is according to position
Confidence breath judges position and visual identity scope of the user in virtual world；If system judges that current location user should
The complications are advanced, then master control set 1 can be when user be transferred to not virtual in the range of user's viewing
Wall and the grade of barrier 6 are suitably adjusted, including displacement and rotation, user transfer after the completion of, virtual world into
Adjustment is gone, actually user has had been rotated through very big angle, in this way, user is in the perception of virtual world
90 ° curved is turned, but has been actually 180 °, and when virtual world cathetus is advanced, real world is side walking angle
Edge run-out, actual conditions are that the weave in and out route 10 in virtual world between two stifled opposite virtual walls is converted into real generation
90 degree of circular arcs in the closed room 5 on boundary between two stifled adjacent entities walls are turned back route 11, so as to enable a user to limited
Real space in unlimited go on.
Example four
As shown in fig. 6, video information content includes the information to the door outside viewing picture, master control set 1 is filled according to virtual reality
Rationally virtual displacement is done in the signal realization for putting feedback on the door, to realize spatial alternation.
A kind of figure 1 above-shown immersed system of virtual reality vision reorientation method is the specific implementation of the present invention
Example, has embodied the prominent substantive distinguishing features of the present invention and marked improvement, can be according to actual use needs, the present invention's
Under enlightenment, carry out equivalent modifications to it, this programme protection domain row.
Claims (10)
1. a kind of immersed system of virtual reality vision reorientation method, it is characterised in that comprise the following steps：
1）Virtual reality device is connected with master control set；
2）Vision signal is transmitted to virtual reality device from master control set；
3）Transmitted from virtual reality device and record the feedback signal for having current virtual real device location information to master control set；
4）The video information content of virtual reality device is sent to by the master control set according to feedback signal adjustment, by part picture
Spatial warping does shifting processing to realize that adapting to the true of virtual world walks by spatial transform method.
A kind of 2. immersed system of virtual reality vision reorientation method according to claim 1, it is characterised in that：It is described
Video information content include to the door or the information for the position being movable to outside viewing picture, master control set is according to virtual reality
The signal of device feedback realizes that rationally virtual displacement is done in the position on the door or being movable to, to realize spatial alternation.
A kind of 3. immersed system of virtual reality vision reorientation method according to claim 1, it is characterised in that：It is described
Spatial transform method include the conversion of angle and/or displacement, the steering angle and/or displacement in virtual world pass through master control set
Processing, realize the steering angle in real world and/or displacement and steering angle in virtual world and/or displacement difference to keep away
Open barrier.
A kind of 4. immersed system of virtual reality vision reorientation method according to claim 3, it is characterised in that：It is described
Virtual world in when being straight line moving, adjusted by calculating, real world pass through appropriate adjustment to displacement and angle, realization
Radiused walking in the enclosed space, to avoid the wall of the closing in real world and the obstacle among closing place
Thing；It is straight line moving in virtual world, and the straight line in current corresponding direction and position is just straight line path in real world
When, then handled without the adjustment of angle.
A kind of 5. immersed system of virtual reality vision reorientation method according to claim 4, it is characterised in that：Virtually
The world be straight line moving path from real world but encounter obstacle or wall distance it is different when, both step pitches are by conversion
Processing is adjusted with realizing while encountering the corresponding of obstacle.
A kind of 6. immersed system of virtual reality vision reorientation method according to claim 3, it is characterised in that：It is described
Virtual world in, both sides have barrier and weave in and out during encountering barrier, no matter tortuous angle is much, in real world
Can be processed into when encountering closed boundary turn around to turn back and calculated when walking adjustment angle and step pitch, make in virtual world
90 degree of circular arcs are turned back between the two stifled adjacent walls that walking is converted into closing real world between two stifled opposite walls.
A kind of 7. immersed system of virtual reality vision reorientation method according to claim 1, it is characterised in that：It is described
Virtual reality device include location tracking device, head-mounted display and handle, it is empty that the location tracking device is distributed in realization
Intend the true place of reality, to realize comprehensive location tracking to user.
A kind of 8. immersed system of virtual reality vision reorientation method according to claim 3, it is characterised in that：It is described
Real world be square enclosure space, the diagonal distribution of 2 sets or 4 sets of the location tracking device.
A kind of 9. immersed system of virtual reality vision reorientation method according to claim 7, it is characterised in that：It is described
Head-mounted display master control set transmission video signal is connected by HDMI video line, pass through 3.5mm tone frequency channel wires and master control and fill
Connection transmission audio signal is put, is connected by DC3.5 power cords with master control set and obtains power supply；Location tracking device and handle use
2.4GHz wireless modes are connected transmission location information and handle key information with master control set.
A kind of 10. immersed system of virtual reality vision reorientation method according to claim 8, it is characterised in that：Institute
The side size range for the square enclosure space stated is between 2.5 ~ 3.5.
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| CN108874135A (en) * | 2018-06-13 | 2018-11-23 | 福建中科智汇数字科技有限公司 | Gait training system and method based on VR equipment |
| CN109885168A (en) * | 2019-02-25 | 2019-06-14 | 山东大学 | Virtual reality roaming system and method based on improved redirection walking |
| CN109949644A (en) * | 2019-04-16 | 2019-06-28 | 异起(上海)智能科技有限公司 | It is a kind of that hanging method and apparatus are immersed based on virtual reality technology |
| CN110124305A (en) * | 2019-05-15 | 2019-08-16 | 网易（杭州）网络有限公司 | Virtual scene method of adjustment, device, storage medium and mobile terminal |
| CN110853150A (en) * | 2019-11-18 | 2020-02-28 | 山东师范大学 | Method and system for mapping actual space and virtual space suitable for virtual roaming system |
| CN112739433A (en) * | 2018-09-27 | 2021-04-30 | 高通股份有限公司 | Asynchronous spatial warping for VR for remote rendering |
| CN112799502A (en) * | 2019-11-14 | 2021-05-14 | 中国移动通信有限公司研究院 | Walking redirection control method, equipment and storage medium in virtual reality space |
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|---|---|
| CN108008823B (en) | 2021-10-22 |
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