CN107027015A - 3D trends optical projection system based on augmented reality and the projecting method for the system - Google Patents
3D trends optical projection system based on augmented reality and the projecting method for the system Download PDFInfo
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- CN107027015A CN107027015A CN201710291909.0A CN201710291909A CN107027015A CN 107027015 A CN107027015 A CN 107027015A CN 201710291909 A CN201710291909 A CN 201710291909A CN 107027015 A CN107027015 A CN 107027015A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
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Abstract
Disclose a kind of 3D trend optical projection systems based on augmented reality, it includes 3D eyeglass devices and the intelligent projection arrangement of trend, the 3D eyeglass devices include wireless communication module one and locating module, trend intelligence projection arrangement includes projection display unit, direction controlling unit, Context awareness unit, wireless communication module two and CPU, the CPU further comprises target direction processing unit, image correction unit, communicated between the 3D eyeglass devices and the intelligent projection arrangement of the trend by the wireless communication module one with the wireless communication module two.Also disclose that a kind of projecting method for the 3D trend optical projection systems.
Description
Technical field
The present invention relates to digital projection display technology field, augmented reality (AR) technology is based on more particularly, to one kind
3D trends optical projection system and projecting method for the system.
Background technology
With the development of science and technology with the continuous improvement of living standards of the people, people get over to the requirement in terms of visual perception
Come higher：On the one hand, requirement of the people to the display device of man-machine interface is increasingly towards miniature, large-size screen monitors and high-resolution side
To development；On the other hand, in display effect, people tend to pursuit 3D innervations, augmented reality, vision on the spot in person and enjoyed again
By.Augmented reality is the technology grown up on the basis of virtual reality (VR), and it is one kind by using computer
The information that system is provided strengthens the technology that user perceives to real world.Specifically, it is in true by virtual Information application
The real world, i.e., the dummy object generated computer, scene or system prompt information superposition are into real scene, so as to realize
Enhancing to reality.
Further, since the function of possessing required for the difference of their usage scenarios, various projector equipments would also vary from.
For example, in family or large-scale stage, when needing to carry out multidirectional Projection Display according to the purpose projecting direction of user,
The purpose projected position direction of projector equipment recognition and tracking user is needed, and then changes the projecting direction of projection lens, and is carried out
High-quality intelligence projection.So as to, a kind of purpose projecting direction of traceable user, and changed in real time according to the purpose of user
The direction of projection lens and progress projected picture correction process, dynamic and augmented reality effect the Projection Displays of 3D are had concurrently to realize
Intelligent optical projection system and its method turn into one of research emphasis of projection field from now on.
It should be understood that the information for being disclosed in the background section is only intended to reason of the increase to the general background of the present invention
Solution, and be not construed as recognizing or imply that the information structure has been well known to persons skilled in the art in any form
Prior art.
The content of the invention
For above-mentioned technical problem, it is an object of the invention to provide a kind of 3D trends projection based on augmented reality
System and method, the purpose projecting direction of its traceable user, and projection lens is changed according to the purpose of user in real time
Direction and progress projected picture correction process, dynamic and augmented reality effect the Projection Displays of 3D are had concurrently to realize.The system and
Its method can be applicable to a variety of occasions, give user different visual enjoyment and entertainment effect.
According to an aspect of this disclosure, there is provided a kind of 3D trend optical projection systems based on augmented reality, the system bag
Include：3D eyeglass devices, it includes：Wireless communication module one；And locating module, it is used for the directive property letter for gathering positioning user
Breath, positions the position and best line-of-sight direction of user；Trend intelligence projection arrangement, it includes：Projection display unit, its be used for
Projector space Projection Display 3D project contents；Direction controlling unit, it is by carrying out planar movement and angular turn to change
The projecting direction of projection display unit is stated, so that the best line-of-sight direction of user is consistent with projection lens direction, and causes institute
State 3D eyeglass devices and the projection display unit signal is synchronous, meet 3D display conditions；Context awareness unit, it is used to recognize
Environment change information, the projected picture image of the projection display unit and user's manipulation instruction；Wireless communication module two；With
And CPU, it is with the projection display unit, the direction controlling unit, the Context awareness unit and described
Wireless communication module two is coupled, and it includes：Target direction processing unit, it is used for according to the institute from the 3D eyeglass devices
The directional information for stating the user of locating module calculates the moving displacement and rotational angle of the direction controlling unit；Image
Unit is corrected, it is used for the environment change information acquired in the Context awareness unit, projected picture image, and/or user
Manipulation instruction is analysed and compared, and carries out real-time projection image correction, and the 3D eyeglass devices are intelligently projected with the trend
Communicated between device by the wireless communication module one with the wireless communication module two.
Preferably, the locating module is included in image collecting device, angle displacement sensor and gravity sensor
It is at least one.
Preferably, the direction controlling unit includes at least one of multi-dimensional movement head and robot, and it passes through flat
Face is moved and angular turn changes the position of the intelligent projection arrangement of the trend and is arranged on the intelligent projection arrangement of trend
The projection lens direction of the projection display unit.
Preferably, the projection image correction includes projection automatic focusing, projected image/correction for direction, projected background face
Color, brightness and the correction of concave-convex surface degree, and the projected image/correction for direction further comprises projected image deformity correction
And correction for direction.
Preferably, the Context awareness unit includes at least one of infrared three-dimensional tester and video camera, and described
3D eyeglass devices are wirelessly transferred the directional information from the locating module to the intelligent projection arrangement of the trend.
Preferably, the intelligent projection arrangement of the trend also includes the memory cell being connected with CPU, described
3D project contents are from the memory cell either live fluoroscopic information from the wireless communication module two, and described
3D eyeglass devices and the intelligent projection arrangement of trend respectively further comprise rechargeable battery and wireless charging module, and in 3D glasses dress
Put and be all connected to the rechargeable battery with wireless charging module described in the intelligent projection arrangement of the trend.
Preferably, the intelligent projection arrangement of the trend also includes：Special efficacy eyeglass, it is arranged on the projection display unit
Projection lens light direction, for carrying out multiple scattering or reflection or diffraction to the image strip from projection lens；And turn
Moving cell, it is coupled to the CPU, the rotation for controlling the special efficacy eyeglass.
Preferably, user's manipulation instruction that the Context awareness unit can be recognized includes phonetic order and limb action,
The limb action further comprises that the directionality of gesture motion and head is swung.
According to another aspect of the disclosure there is provided a kind of projecting method for foregoing 3D trend optical projection systems,
This method includes：(T1) in-plane displancement and rotational angle of the direction controlling unit are calculated according to the directional information of user,
And control the direction controlling unit to be moved accordingly according to result of calculation；And (T2) is to the Context awareness unit institute
Environment change information, projected picture image and/or the user's manipulation instruction of acquisition are analysed and compared, and carry out real-time perspective view
As correction.
Preferably, the step (T1) further comprises：(T11) locating module gathers the directional information of user, fixed
The position and best line-of-sight direction of position user；(T12) wireless communication module one transmits institute to the wireless communication module two
State the directional information of user；(T13) the target direction processing unit calculates the direction according to the directional information of user
The moving displacement and rotational angle of control unit；And (T14) described direction controlling unit is carried out according to the result of the calculating
Corresponding motion.
Preferably, the projection image correction includes projection automatic focusing, projected image/correction for direction, projected background face
Color, brightness and the correction of concave-convex surface degree, and the projected image/correction for direction further comprises projected image deformity correction
And correction for direction.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of embodiment of the present invention or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described.It should be evident that drawings in the following description are only
A part of embodiment of the present invention is described.These accompanying drawings are not restricted for the present invention, but are risen exemplary
Effect.
Fig. 1 is the system frame of the 3D trend optical projection systems based on augmented reality according to an embodiment of the invention
Figure；
Fig. 2 is the system frame of the 3D trend optical projection systems based on augmented reality according to another embodiment of the invention
Figure；
Fig. 3 is the flow of the 3D trend projecting methods based on augmented reality of the further embodiment according to the present invention
Figure.
Fig. 4 is the flow chart for showing a step in the method shown in Fig. 3.
Embodiment
Hereinafter, will be with reference to accompanying drawing, the embodiment to the present invention is described in detail.It should be appreciated that described
Embodiment is only a part of embodiment of the present invention, rather than whole embodiments, and protection scope of the present invention
It is not limited to these specific embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other form of implementation obtained under the premise of creative work is made, the scope of protection of the invention is belonged to.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
Fig. 1 is the system of the 3D trend optical projection systems based on augmented reality according to the specific embodiment of the present invention
Block diagram.As shown in fig. 1, being somebody's turn to do the 3D trends optical projection system based on augmented reality includes the intelligently projection of 3D eyeglass devices 10 and trend
The two parts of device 20, and the wireless communication module that 3D eyeglass devices 10 and the intelligent projection arrangement 20 of trend each have by it
(for example with the wireless communication module of WiFi, bluetooth etc.) mutually carries out information transfer.
Wherein, specifically, as shown in fig. 1, the 3D eyeglass devices 10 include：Locating module 11, it is used to gather positioning
The directional information of user, positions the position and best line-of-sight direction of user, and wireless communication module 1.Trend intelligence
Projection arrangement 20 includes：Projection display unit 21, it is used for projector space Projection Display 3D project contents；Direction controlling unit
22, it changes the projecting direction of projection display unit 21 by the displacement and/or rotation that need；Context awareness unit
23, it is used for the complete projected picture of the change of environment-identification, projection display unit 21 and user's manipulation instruction；Channel radio
Believe module 2 24；CPU 25, itself and the projection display unit 21, direction controlling unit 22, Context awareness unit
23 and wireless communication module 2 24 be coupled, and including：Target direction processing unit 251, it is used for basis and filled by 3D glasses
Put the directional information for the user that 10 locating module 11 is gathered come the displacement of the direction controlling unit 22 needed for calculating and/
Or corner；And image correction unit 252, it is used for the environment change information acquired in Context awareness unit 23, shadowgraph
Face image and user's manipulation instruction are analysed and compared (for image, such as frame is compared before and after carrying out), to carry out in real time
Projection image correction.
In the present embodiment, the locating module 11 can be image collecting device or be sensor.The sensor can
Think one or more angle displacement sensor and/or gravity sensor.The direction controlling unit 22 can be multidimensional fortune
Dynamic head or robot, it changes the spatial attitude of the intelligent projection arrangement 20 of trend by the displacement and/or rotation of its own,
So as to change the projection lens direction for the projection display unit 21 being arranged on the intelligent projection arrangement 20 of trend, meanwhile, it causes
User's best line-of-sight direction is consistent with projection lens direction, and it is same 3D eyeglass devices 10 and projection display unit 21 is carried out signal
Step, so that user can immediately watch the effect of 3D images, meets 3D display conditions.
In the present embodiment, the projection image correction that the image correction unit 252 is carried out includes：Projection is automatic right
Burnt, projected image/correction for direction (projected image/correction for direction includes projected image deformity correction and correction for direction) and throwing
Shadow background color, brightness and the correction of concave-convex surface degree.For example, a kind of projection that the image correction unit 252 can be used
The method of auto-focusing includes：First, by optical ranging or infrared distance measurement measure between projection arrangement and perspective plane away from
From；Then, based on the relation table between the predetermined projector distance and lens location built in projection arrangement, determined using look-up table
The corresponding lens location of the projector distance；Finally, drive camera lens to turn to the position using stepper motor, that is, complete automatic right
It is burnt.And for the deformity of projected image, the image correction unit 252 can use such as space coordinate transformation and grey scale interpolation
Methods such as (including arest neighbors interpolation, bilinear interpolation, cube sum etc.) is corrected.In addition, in general,
The position of projection arrangement should try one's best and just can guarantee that drop shadow effect at a right angle with projection screen.When because between the two straight can not be ensured
Angular dependence, the image correction unit 252 needs to carry out such as keystone (such as vertical keystone correction and horizontal keystone correction)
Correction for direction realize the rectangular projection image of standard.Furthermore, when user intent projecting direction perspective plane background color and
The content contrast of required Projection Display is not high, it is impossible to when clearly showing, image correction unit 252 can be according to Context awareness unit
The 23 projected picture images gathered are corrected processing, change background color, brightness or the font color of institute's projection information
Etc., realize intelligent sharpening projection.Or, when perspective plane is uneven so that when the projected picture projected is discontinuous,
Image correction unit 252 can carry out corresponding correction process according to the projected picture image gathered, realize that intelligent sharpening is thrown
Shadow.
In the present embodiment, the 3D eyeglass devices 10 are wirelessly transferred from locating module to the intelligent projection arrangement 20 of trend
11 directional information；The Context awareness unit is spatial digitizer or video camera, and recognizable user's manipulation instruction includes：
Phonetic order and limb action；The limb action includes：Gesture motion and the directionality of head are swung.Here spatial digitizer is
A kind of scientific instrument, for detecting and analyzing the shape (geometrical construction) and appearance data of object or environment in real world (such as
The properties such as color, surface albedo).The data collected often are used for three-dimensional reconstruction calculating, are created in virtual world
The mathematical model of actual object.In addition, when Context awareness unit is video camera, can be for example, by front and rear two field picture to comparing
Environment change information, projected picture and user's manipulation instruction are identified.
Fig. 2 is to be according to the 3D trend optical projection systems based on augmented reality of the another embodiment of the present invention
System block diagram.As shown in Fig. 2 in addition to including the locating module shown in Fig. 1 and wireless communication module one, the 3D eyeglass devices
30 also include rechargeable battery 1 and wireless charging module 1, and the wireless charging module 1 is connected with rechargeable battery 1
Connect.Moreover, except including the projection display unit shown in Fig. 1, CPU (including target direction processing unit and image
Correct unit), direction controlling unit, wireless communication module two, beyond Context awareness unit, trend intelligence projection arrangement 40 is also
Including the rechargeable battery 2 45 and wireless charging module 2 46 being connected with CPU, the wireless charging module 2 46
It is connected with rechargeable battery 2 45.In addition, trend intelligence projection arrangement 40 is also including depositing that CPU 43 is connected
Storage unit 42；3D project contents are from the either live fluoroscopic information from wireless communication module two of memory cell 42.
In the present embodiment, the intelligent projection arrangement 40 of the trend also includes special efficacy eyeglass 44 and for controlling it to rotate
Rotating unit 43, the rotating unit 43 is coupled with CPU 43.The special efficacy eyeglass 47 is arranged on Projection Display list
The projection lens light direction of member 45, it can carry out multiple scattering or reflection or spread out to the image strip from projection lens
Penetrate, to produce the image variation special efficacys such as similar distorting mirror or kaleidoscope, greatly strengthen entertainment effect.
Fig. 3 shows the projecting method for above-mentioned 3D trends optical projection system according to an embodiment of the invention.
As shown in figure 3, the projecting method comprises the following steps：
(ST1) user wears 3D eyeglass devices, and starts 3D eyeglass devices and the intelligent projection arrangement of trend is initialized
Work；
(ST2) displacement according to needed for the directional information of user calculates direction controlling unit and/or corner, direction
Control unit is moved accordingly according to result of calculation；
(ST3) to the environment change information acquired in Context awareness unit, projected picture image and user's manipulation instruction
Analysed and compared, carry out real-time projection image correction；
(ST4) clear projection after projection display unit is corrected.
As shown in figure 4, in the present embodiment, the step (ST2) is further comprising the steps of：
(ST21) directional information of locating module collection positioning user, positions the position and best line-of-sight direction of user；
(ST22) wireless communication module one transmits the directional information of user to wireless communication module two；
(ST23) needed for target direction processing unit calculates direction controlling unit according to the directional information of user
Displacement and/or corner；
(ST24) direction controlling unit carries out motion accordingly (displacement and/or turn that mobile computing goes out according to result of calculation
The dynamic corner calculated).
In the present embodiment, the projection image correction described in step (S3) includes：Projection automatic focusing, projected image/side
To correction and projected background color, brightness and the correction of concave-convex surface degree.Projected image/the correction for direction includes：Throw
Shadow image deformity correction and correction for direction.
It is worth noting that, in the disclosure, user can be people or robot or other animals, and according to this hair
Bright 3D trends optical projection system and its method based on augmented reality can apply to a variety of occasions.For example, in large-scale performance,
User to gather the directional information of positioning user in real time by the locating module for the 3D eyeglass devices worn, positioning user's
Position and best line-of-sight direction, and the directive property of the user is received with the intelligent projection arrangement of the trends of 3D eyeglass device wireless connections
Information, and the displacement the need for calculating its direction controlling unit according to the directional information and/or corner, and then the direction controls
Unit carries out corresponding displacement and/or rotation according to the result of calculation, to regulate and control the projecting direction of projection lens, and according to stage
The need for performance on the diverse location or different objects of stage background Projection Display related content and in Projection Display
Hold and carry out projection correction processing, so that realizes augmented reality dazzles beautiful stage effect.The user can be performance before the lights
The stage effect manipulation staff on person or backstage.Or, in the family, owner or pet can in different time and not
Intelligent projection is carried out with position, is experienced with the enjoyment for realizing interactive entertainment.Furthermore, in large-scale dining room, can by hotel owner or
Person robot waiter projects vegetable video or other entertainment contents etc. according to different clients demand, and this enriches Gu
The dining experience of visitor.
In summary, according to the 3D trends optical projection system based on augmented reality of the present invention and the projection for the system
Method can follow the trail of the purpose projecting direction of user, and change according to the purpose of user direction and the progress of projection lens in real time
Projected picture correction process, dynamic and augmented reality effect the Projection Displays of 3D are had concurrently to realize.The 3D trends optical projection system with
And a variety of occasions are can be applicable to for the projecting method of the system, to give the visual enjoyment and entertainment effect that user is different.
To the described above of disclosed embodiment, professional and technical personnel in the field are enable to realize or use this hair
It is bright.It should be appreciated that the feature disclosed in embodiment of above, in addition to the situation for having special instruction, can individually or
Person is used in conjunction with.A variety of modifications to these embodiments will be apparent for those skilled in the art
, generic principles defined herein can without departing from the spirit or scope of the present invention, in other embodiment party
Realized in formula.Therefore, invention disclosed herein is not limited to disclosed embodiment, but be intended to as
The modification within the spirit and scope of the present invention that appended claims are limited.
Claims (11)
1. a kind of 3D trend optical projection systems based on augmented reality, it is characterised in that it includes：
3D eyeglass devices, it includes：
Wireless communication module one；And
Locating module, it is used for the directional information for gathering positioning user, positions the position and best line-of-sight direction of user；
Trend intelligence projection arrangement, it includes：
Projection display unit, it is used for projector space Projection Display 3D project contents；
Direction controlling unit, it changes the projection side of the projection display unit by carrying out planar movement and angular turn
To, so that the best line-of-sight direction of user is consistent with projection lens direction, and so that the 3D eyeglass devices and the projection
Display unit signal is synchronous, meets 3D display conditions；
Context awareness unit, it is used for environment-identification change information, the projected picture image of the projection display unit and use
Family manipulation instruction；
Wireless communication module two；And
CPU, itself and the projection display unit, the direction controlling unit, the Context awareness unit and institute
State wireless communication module two to be coupled, it includes：
Target direction processing unit, it is used for the finger of the user according to the locating module from the 3D eyeglass devices
Tropism information calculates the moving displacement and rotational angle of the direction controlling unit；
Image correction unit, its be used for the environment change information acquired in the Context awareness unit, projected picture image,
And/or user's manipulation instruction is analysed and compared, real-time projection image correction is carried out,
Between the intelligent projection arrangement of the 3D eyeglass devices and the trend by the wireless communication module one with it is described wireless
Communication module two is communicated.
2. 3D trends optical projection system according to claim 1, it is characterised in that the locating module includes image collector
Put, at least one of angle displacement sensor and gravity sensor.
3. 3D trends optical projection system according to claim 1, it is characterised in that the direction controlling unit includes many maintenance and operations
Dynamic at least one of head and robot, it changes the intelligent projection arrangement of the trend by planar movement and angular turn
Position and the projection lens direction for the projection display unit being arranged on the intelligent projection arrangement of trend.
4. 3D trends optical projection system according to claim 1, it is characterised in that the projection image correction includes projection certainly
Dynamic focusing, projected image/correction for direction, projected background color, brightness and the correction of concave-convex surface degree, and the perspective view
Picture/correction for direction further comprises projected image deformity correction and correction for direction.
5. 3D trends optical projection system according to claim 1, it is characterised in that the Context awareness unit includes infrared by three
At least one of tester and video camera are tieed up, and the 3D eyeglass devices are wirelessly transferred to the intelligent projection arrangement of the trend
From the directional information of the locating module.
6. 3D trends optical projection system according to claim 1, it is characterised in that the intelligent projection arrangement of the trend also includes
The memory cell being connected with CPU, the 3D project contents are from the memory cell either from the nothing
The live fluoroscopic information of line communication module two, and the 3D eyeglass devices and the intelligent projection arrangement of trend respectively further comprise charging
Battery and wireless charging module, and the wireless charging module described in the 3D eyeglass devices and the intelligent projection arrangement of the trend
It is all connected to the rechargeable battery.
7. 3D trends optical projection system according to claim 1, it is characterised in that the intelligent projection arrangement of the trend is also wrapped
Include：
Special efficacy eyeglass, it is arranged on the projection lens light direction of the projection display unit, for from projection lens
Image strip carries out multiple scattering or reflection or diffraction；And
Rotating unit, it is coupled to the CPU, the rotation for controlling the special efficacy eyeglass.
8. 3D trends optical projection system according to claim 1, it is characterised in that what the Context awareness unit can be recognized
User's manipulation instruction includes phonetic order and limb action, and the limb action further comprises gesture motion and the directionality of head
Swing.
9. a kind of projecting method for 3D trends optical projection system according to any one of claim 1 to 8, its feature exists
In methods described includes：
(T1) in-plane displancement and rotational angle of the direction controlling unit are calculated according to the directional information of user, and controls institute
Direction controlling unit is stated to be moved accordingly according to result of calculation；And
(T2) to the environment change information acquired in the Context awareness unit, projected picture image and/or user's manipulation instruction
Analysed and compared, carry out real-time projection image correction
10. projecting method according to claim 9, it is characterised in that the step (T1) further comprises：
(T11) locating module gathers the directional information of user, positions the position and best line-of-sight direction of user；
(T12) wireless communication module one transmits the directional information of the user to the wireless communication module two；
(T13) the target direction processing unit calculates the mobile position of the direction controlling unit according to the directional information of user
Move and rotational angle；
(T14) the direction controlling unit is moved accordingly according to the result of the calculating.
11. projecting method according to claim 9, it is characterised in that it is automatic right that the projection image correction includes projection
Jiao, projected image/correction for direction, projected background color, brightness and the correction of concave-convex surface degree, and the projected image/side
Further comprise projected image deformity correction and correction for direction to correction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291909.0A CN107027015A (en) | 2017-04-28 | 2017-04-28 | 3D trends optical projection system based on augmented reality and the projecting method for the system |
| PCT/CN2017/085732 WO2018196070A1 (en) | 2017-04-28 | 2017-05-24 | 3d trend projection system based on augmented reality, and projection method for same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710291909.0A CN107027015A (en) | 2017-04-28 | 2017-04-28 | 3D trends optical projection system based on augmented reality and the projecting method for the system |
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| US11402900B2 (en) | 2019-01-07 | 2022-08-02 | Beijing Boe Optoelectronics Technology Co., Ltd. | Augmented reality system comprising an aircraft and control method therefor |
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