CN107272200A - A kind of focal distance control apparatus, method and VR glasses - Google Patents
A kind of focal distance control apparatus, method and VR glasses Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims abstract description 15
- 238000009877 rendering Methods 0.000 claims abstract description 15
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- 210000003128 head Anatomy 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000004438 eyesight Effects 0.000 abstract description 19
- 230000004941 influx Effects 0.000 abstract description 13
- 208000012886 Vertigo Diseases 0.000 abstract description 10
- 210000001508 eye Anatomy 0.000 description 97
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- 238000003384 imaging method Methods 0.000 description 2
- 238000002789 length control Methods 0.000 description 2
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- 230000035790 physiological processes and functions Effects 0.000 description 2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0075—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. increasing, the depth of field or depth of focus
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Abstract
A kind of focal distance control apparatus provided in an embodiment of the present invention, method and VR glasses, equipment includes focal length determination module, zooming transform module and render module, focal distance control apparatus measures the focal length value of human eye by focal length determination module, and focal length value is sent to zooming transform module and module is rendered, zooming transform module is controlled according to the focal length value of the human eye received to the focal length of equipment；Rendering module is used for according to the focal length value of human eye that receives, to display picture progress Fuzzy Processing.Focal distance control apparatus passes through focal length determination module, zooming transform module and render module, the focal length of human eye, 3D pictures and display screen are in approximately the same plane, create Deep Canvas, display picture is more conformed to actual scene seen by person, alleviate human eye because vision influx adjusts the spinning sensation of conflict and generation.
Description
Technical field
The present embodiments relate to technical field of virtual reality, more particularly to a kind of focal distance control apparatus, method and VR
Mirror.
Background technology
Virtual reality (English：Virtual Reality, referred to as：VR) technology is an important directions of emulation technology, VR
Display is to be closed the vision to external world of people, the sense of hearing using head-mounted display apparatus, and guiding user produces one kind in void
Sensation in near-ring border.
VR displays use binocular stereo vision display mode, set fixed focal length, make what two eyes of user were seen
Different images are shown on different displays, and its displaying principle is the image that right and left eyes screen shows right and left eyes respectively, and human eye is obtained
Third dimension is produced in brain after taking the discrepant information of this band, using the influx of eyes (i.e. when eyes stare one to eye
Before shift near object when, while there is myosis, eyes polymerize to nasal side simultaneously) effect image in spatial point, make thing
As jumping out or being depressed in screen, so as to form the spatial impression of depth.
At present, in VR head-mounted displays, its fixed focal length, it is impossible to zoom makes the eyes of user continuous between picture
Balance adjustment so that produce vision influx regulation conflict, cause user produce dizziness, nausea symptom.
The content of the invention
The present invention provides a kind of focal distance control apparatus, method and VR glasses, to solve VR head-mounted displays in first technology
Middle fixed focal length, it is impossible to zoom, causes the problem of user produces dizziness, nausea.
According to the first aspect of the invention there is provided a kind of focal distance control apparatus, the focal distance control apparatus includes：
Focal length determination module, zooming transform module and renders module,
The focal length determination module is used to send the focal length value of the human eye measured to the zooming transform module and institute
State and render module；
The zooming transform module is used for the focal length value according to the human eye received, to the focal distance control apparatus
Focal length is controlled；
The module that renders is used for according to the focal length value of the human eye that receives, to the display picture of virtual reality device
Carry out Fuzzy Processing.
According to the second aspect of the invention there is provided a kind of focus controlling method, methods described includes：
The pupil position information of human eye is measured by focal length determination module, and according to the pupil position information, is calculated
The focal length value of human eye；
The zooming transform module is controlled according to the focal length value of the human eye to the focal length of the focal distance control apparatus
System；
The focal length value that module is rendered according to the human eye received, to the display picture of the virtual reality device
Carry out Fuzzy Processing.
A kind of focal distance control apparatus provided in an embodiment of the present invention, method and VR glasses, equipment include focal length determination module,
Zooming transform module and render module, focal distance control apparatus measures the focal length value of human eye by focal length determination module, and by focal length
Value sends to zooming transform module and renders module, and zooming transform module is according to the focal length value of the human eye received, to equipment
Focal length is controlled；Rendering module is used for according to the focal length value of human eye that receives, to display picture progress Fuzzy Processing.Focal length
Control device zooming transform module and renders module by focal length determination module, at the focal length of human eye, 3D pictures and display screen
In approximately the same plane, create Deep Canvas, display picture is more conformed to actual scene seen by person, alleviate human eye by
The spinning sensation for adjusting conflict in vision influx and producing.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of focal distance control apparatus provided in an embodiment of the present invention；
Fig. 2 is a kind of concrete structure schematic diagram of focal distance control apparatus provided in an embodiment of the present invention；
Fig. 2A is a kind of focal length determination module fundamental diagram provided in an embodiment of the present invention；
Fig. 2 B are a kind of structural representations of zooming transform module provided in an embodiment of the present invention；
Fig. 3 is a kind of step flow chart for focus controlling method that inventive embodiments are provided；
Fig. 4 is a kind of specific steps flow chart for focus controlling method that inventive embodiments are provided.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Reference picture 1, shows a kind of structural representation of focal distance control apparatus provided in an embodiment of the present invention.
A kind of focal distance control apparatus that the present invention is provided can apply in VR glasses, can specifically include：
Focal length determination module 10, zooming transform module 20 is used to measure with module 30, focal length determination module 10 is rendered
The focal length value of human eye 50 send to zooming transform module 20 and rendering module 30；Zooming transform module 20 is used for basis and received
Human eye 50 focal length value, the focal length of focusing control device is controlled；Rendering module 30 is used for according to the human eye that receives
50 focal length value, the display picture to display screen 40 carries out Fuzzy Processing.
In embodiments of the present invention, 3D (dimensional ties up face) image is utilized human eye by VR glasses by display screen 40
(object is nearer, and eyeball is inwardly rotated for 50 influx；Farther out, eyeball can be outside, and which produces vision influx for object.It is same with this
When, eyes can also carry out focal adjustments according to actual conditions.Generally, vision influx occurs in pairs with focal adjustments) effect
Spatial point is imaged in, the object in 3D pictures is run off or is depressed in display screen 40, so as to produce the spatial impression of depth.
Specifically, the embodiment of the present invention monitors the focus information of human eye 50 by focal length determination module 10, by this
Focus information is handled, and obtains the focal length value of human eye 50, and the focal length value is sent into zooming transform module 20 and mould is rendered
Group 30.
Further, zooming transform module 20 passes through the focal length value of the human eye 50 received, Jiao of focusing control device
Away from being controlled, the focal length of focal distance control apparatus is matched with the focal length of human eye 50, will run off or be depressed in display screen 40
3D pictures are controlled on display screen 40, the focal length, 3D pictures and display screen 40 of human eye 50 is in approximately the same plane, are alleviated people
Eye adjusts the spinning sensation of conflict and generation due to vision influx.
Module 30 is rendered by the focal length value of the human eye 50 received, to the picture outside human eye focus area in display picture
The Fuzzy Processing that face is had levels, so as to create Deep Canvas, makes display picture more conform to what actual human eye 50 was seen
Scene, further alleviates human eye because vision influx adjusts the spinning sensation of conflict and generation.
In summary, a kind of focal distance control apparatus provided in an embodiment of the present invention, including focal length determination module, zooming transform
Module and render module, focal distance control apparatus measures the focal length value of human eye by focal length determination module, and by focal length value send to
Zooming transform module is carried out with module, zooming transform module is rendered according to the focal length value of the human eye received to the focal length of equipment
Control；Rendering module is used for according to the focal length value of human eye that receives, to display picture progress Fuzzy Processing.Focal distance control apparatus
By focal length determination module, zooming transform module and module is rendered, the focal length of human eye, 3D pictures and display screen are in same
Plane, creates Deep Canvas, display picture is more conformed to actual scene seen by person, alleviates human eye due to vision spoke
The spinning sensation that concentrate around one point, as spokes on acis regulation conflicts and produced.
Reference picture 2, shows a kind of concrete structure schematic diagram of focal distance control apparatus provided in an embodiment of the present invention, focal length
Control device is specifically included：
Focal length determination module 10, zooming transform module 20 includes shooting with module 30, wherein focal length determination module 10 is rendered
First 101 and processor 102, camera 101 is connected with processor 102, the pupil position information for monitoring human eye 50, and to place
Reason device 102 sends the pupil position information measured；The pupil position information that processor 102 is sent according to camera 101 is calculated
Go out the focal length value of human eye 50.
Specifically, as shown in Figure 2 A, camera can be ranging camera head, and be arranged at and be away from midpoint between two
Position, is built-in with monitoring software within a processor, and monitoring software is based on " neutral net and machine learning " algorithm, and program uses god
Developed through network library Neuroph, a large amount of pictures can be used to be trained, will finally possess the work(of detection human eye focal position
Energy.Monitoring software can by the distance between the angle a of the pupil position of camera head monitor human eye 50 and two eye pupil holes m, from
And calculate the space or depth perception of human eyeBy the space or depth perception h of obtained human eye, so as to further calculate
To the focal length value of human eye(wherein H is the horizontal width that is imaged in camera).
It should be noted that human eye is when seeing display picture, eyeball position can be constantly adjusted, object is nearer, and eyeball is inside
Rotate；Farther out, eyeball can be outside, and in this process, camera can monitor the pupil position of human eye in real time, in real time to people for object
The focal length value f of eye is updated.
With further reference to Fig. 2, zooming transform module 20 includes：Lens 201 and motor 202, motor 202 connect with lens 201
Connect, for the focal length value of the human eye 50 calculated according to processor 102, driving lens 201 are moved, and mobile distance is and human eye
Focal length value matching distance.
Specifically, reference picture 2B, it illustrates the structural representation of zooming transform module.The inside of VR frames 60 is set
There is the driving structure 2021 of motor 202, driving structure 2021 is internally provided with lens 201, and the covering motor of VR glasses cavity 601 drives
Dynamic structure 2021 and lens 201.Under the driving of motor-driven structure 2021, lens 201 can be inside VR glasses cavity 601
Move horizontally.
In embodiments of the present invention, the quantity of lens 201 can be two, corresponding with left eye 501 and right eye 502 respectively,
Processor 102 is according to the focal length value of the human eye 50 calculated, and calculating lens 201 needs the distance of movement, and lens 201 are moved
Dynamic instruction is transferred to motor 202, and motor 202 is moved according to the order-driven lens 201.
Reference picture 2, renders module 30 and is connected with processor 102, for Jiao of the human eye 50 calculated according to processor 102
Away from value, determine that the display picture beyond focal area, and focusing region is rendered.Further, the basis of module 30 is rendered
The focal length value of human eye 60 determines that the display picture beyond the focal area of display picture, and focusing region does depth of field processing, scape
The hot spot textures that the display picture beyond focusing region adds different luminance levels are processed as deeply.
3D images are to image in spatial point using the influx effect of eyes, image is jumped out or is depressed in screen, so that
The spatial impression of depth is formed, two virtual environment pictures of the corresponding eyes that VR glasses are presented have binocular parallax, the two
Picture is the same with real world after retina is mirrored, any virtual objects that sight can also be focused in virtual screen
On, but the picture of real world is and different each of front and back position that VR glasses show with apparent depth sense
Virtual objects, the light of the degree of scattering corresponding with its present position is not sent not only, and as plane picture, it is each right
As the degree of scattering of entrance pupil light sent is but mutually almost consistent, this phenomenon has run counter to normal vision physiological, changes just
Normal vision physiological function, can cause being discord for regulation and influx relation, or even collide with each other, and user is produced dizziness
Feel.So, in order to eliminate this vision conflict, camera is monitored that human eye pupil position information is calculated and obtains people by processor
The focal length value of eye, and the focal length value of human eye is sent to renders module, render module and determined to show picture according to the focal length value of human eye
Display picture beyond the focal area in face, and focusing region does depth of field processing, and the depth of field is processed as beyond focusing region
Display picture adds the hot spot textures of different luminance levels.
Specifically, determining that focal area is to monitor the oculopupillary angle of people according to camera, obtain human eye sight and fall aobvious
The focus of position in display screen, as people soon on a display screen, using the focus as the center of circle, sets the radius of preset length, obtains
To a border circular areas, the border circular areas is the focal area of display picture, it is necessary to which explanation, the embodiment of the present invention is to circle
The radius length in shape region is not limited.Further, render in module and be provided with depth of field rendering engine, it is determined that Jiao of eyes
Behind region, the display picture beyond depth of field rendering engine focusing region does depth of field processing, comprises the following steps that：
The first step, depth of field rendering engine and the algorithm that out-focus region is generated according to the focal length value of human eye.
Second step, starts the outer display picture imaging facula maker of focal area, sets the number of hits, i.e. filter
Amount.
3rd step, sets maximum fuzzy distance, rendering effect is more excellent when maximum fuzzy distance is less than 4.0.
4th step, imaging facula maker is imported by the focal length value of human eye, be arranged to the size as textures, hot spot brightness and
Minimum brightness, generates the hot spot textures of different luminance levels.
5th step, the hot spot textures of the different luminance levels of generation are covered in the display picture outside focal area, production
Raw Deep Canvas.
To sum up, Deep Canvas can be rendered in display picture by rendering module, display picture is simulated human eye and existed
The visual experience of real world, meets normal vision physiological function, reduces the spinning sensation using VR glasses.
The embodiments of the invention provide a kind of VR glasses, the VR glasses include focal distance control apparatus.
In summary, a kind of focal distance control apparatus provided in an embodiment of the present invention, including focal length determination module, zooming transform
Module and render module, focal distance control apparatus measures the focal length value of human eye by focal length determination module, and by focal length value send to
Zooming transform module is carried out with module, zooming transform module is rendered according to the focal length value of the human eye received to the focal length of equipment
Control；Rendering module is used for according to the focal length value of human eye that receives, to display picture progress Fuzzy Processing.Focal distance control apparatus
By focal length determination module, zooming transform module and module is rendered, the focal length of human eye, 3D pictures and display screen are in same
Plane, creates Deep Canvas, display picture is more conformed to actual scene seen by person, alleviates human eye due to vision spoke
The spinning sensation that concentrate around one point, as spokes on acis regulation conflicts and produced.
Reference picture 3, shows a kind of step flow chart of focus controlling method provided in an embodiment of the present invention, including：
Step 310, the pupil position information of human eye is measured by focal length determination module, and is believed according to the pupil position
Breath, calculates the focal length value of human eye.
In the step, focal length determination module monitors the focus information of human eye, by handling the focus information, obtains
To the focal length value of human eye, and the focal length value is sent to zooming transform module and module is rendered.
Step 320, the zooming transform module is according to the focal length value of the human eye, to the focal length of the focal distance control apparatus
It is controlled.
In the step, zooming transform module is entered by the focal length value of the human eye received, the focal length of focusing control device
Row control, makes the focal length of focal distance control apparatus be matched with the focal length of human eye, will run off or is depressed in 3D pictures in display screen and control
On a display screen, the focal length, 3D pictures and display screen of human eye is in approximately the same plane, alleviate human eye because vision influx is adjusted
The spinning sensation that section conflicts and produced.
Step 330, the focal length value for rendering module according to the human eye received, fuzzy place is carried out to display picture
Reason.
In the step, render module by the focal length value of the human eye received, to human eye focus area in display picture it
The Fuzzy Processing that outer picture is had levels, so as to create Deep Canvas, makes display picture more conform to actual persons soon
The scene arrived, further alleviates human eye because vision influx adjusts the spinning sensation of conflict and generation.
Reference picture 4, shows a kind of specific steps flow chart of focus controlling method provided in an embodiment of the present invention, bag
Include：
Step 410, the pupil position information of the camera head monitor human eye, and the people measured is sent to the processor
The pupil position information of eye.
Step 420, the pupil position information that the processor is sent according to the camera calculates the focal length value of human eye.
Step 430, the focal length value for the human eye that the motor is calculated according to the processor, driving lens movement is described
Mobile distance is the distance matched with the focal length value of human eye.
Step 440, the module that renders determines the focal area of display picture according to the focal length value of the human eye, and focuses
Depth of field processing is done away from the display picture beyond region, the display picture addition that the depth of field is processed as beyond focusing region is different
The hot spot textures of luminance level.
It should be noted that step 410 to step 440, which may be referred to focusing in above-mentioned Fig. 2, determines module, zooming transform
Module and the specific descriptions for rendering module, here is omitted.
In summary, a kind of focal distance control apparatus provided in an embodiment of the present invention, including focal length determination module, zooming transform
Module and render module, focal distance control apparatus measures the focal length value of human eye by focal length determination module, and by focal length value send to
Zooming transform module is carried out with module, zooming transform module is rendered according to the focal length value of the human eye received to the focal length of equipment
Control；Rendering module is used for according to the focal length value of human eye that receives, to display picture progress Fuzzy Processing.Focal distance control apparatus
By focal length determination module, zooming transform module and module is rendered, the focal length of human eye, 3D pictures and display screen are in same
Plane, creates Deep Canvas, display picture is more conformed to actual scene seen by person, alleviates human eye due to vision spoke
The spinning sensation that concentrate around one point, as spokes on acis regulation conflicts and produced.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (11)
1. a kind of focal distance control apparatus, it is characterised in that the equipment includes：
Focal length determination module, zooming transform module and renders module,
The focal length determination module is used to send the focal length value of the human eye measured to the zooming transform module and the wash with watercolours
Contaminate module；
The zooming transform module is used for the focal length value according to the human eye received, to the focal length of the focal distance control apparatus
It is controlled；
The module that renders is used for according to the focal length value of the human eye that receives, the display picture progress to virtual reality device
Fuzzy Processing.
2. equipment according to claim 1, it is characterised in that the focal length determination module includes：
Camera and processor,
The camera is connected with the processor, the pupil position information for monitoring human eye, and is sent to the processor
The pupil position information measured；
The processor is used for the focal length value that human eye is calculated according to the pupil position information that the camera is sent.
3. equipment according to claim 2, it is characterised in that the zooming transform module includes：
Lens and motor,
The motor is connected with the lens, for the focal length value of the human eye calculated according to the processor, and driving lens are moved
It is dynamic.
4. equipment according to claim 3, it is characterised in that the module that renders is connected with the processor, for root
The focal length value of the human eye calculated according to the processor, determines focal area, and to the display picture beyond the focal area
Carry out Fuzzy Processing.
5. equipment according to claim 4, it is characterised in that the module that renders is determined according to the focal length value of the human eye
Display picture beyond the focal area of display picture, and focusing region does depth of field processing, and the depth of field is processed as focusing
Display picture beyond region adds the hot spot textures of different luminance levels.
6. a kind of focus controlling method, it is characterised in that for controlling any described focal distance control apparatus of claim 1 to 5,
Methods described includes：
The pupil position information of human eye is measured by focal length determination module, and according to the pupil position information, calculates human eye
Focal length value；
The zooming transform module is controlled according to the focal length value of the human eye to the focal length of the focal distance control apparatus；
The focal length value that module is rendered according to the human eye received, the display picture to the virtual reality device is carried out
Fuzzy Processing.
7. method according to claim 6, it is characterised in that the focal length determination module includes：
Camera and processor, the camera are connected with the processor；
The pupil position information of human eye is measured by focal length determination module, and according to the pupil position information, calculates human eye
Focal length value the step of, including：
The pupil position information of the camera head monitor human eye, and the pupil position of the human eye measured to processor transmission
Information；
The pupil position information that the processor is sent according to the camera calculates the focal length value of human eye.
8. method according to claim 7, it is characterised in that the zooming transform module includes：Lens and motor, it is described
Motor is connected with the lens；
After the step of pupil position information that the processor is sent according to the camera calculates the focal length value of human eye,
Also include：
The focal length value for the human eye that the motor is calculated according to the processor, driving lens movement.
9. method according to claim 8, it is characterised in that the human eye calculated in the motor according to the processor
Focal length value, driving lens movement step after, in addition to：
The focal length value for rendering the human eye that module is calculated according to the processor, determines focal area, and to the focal length
Display picture beyond region carries out Fuzzy Processing.
10. method according to claim 9, it is characterised in that described to render what module was calculated according to the processor
The focal length value of human eye, the step of being rendered to display picture, including：
It is described to render beyond the focal area that module determines display picture according to the focal length value of the human eye, and focusing region
Display picture does depth of field processing, and the display picture that the depth of field is processed as beyond focusing region adds the light of different luminance levels
Patch figure.
11. a kind of VR glasses, it is characterised in that including：Any described focal distance control apparatus of claim 1 to 5.
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| CN108124509A (en) * | 2017-12-08 | 2018-06-05 | 深圳前海达闼云端智能科技有限公司 | Image display method, wearable intelligent device and storage medium |
| CN108632599A (en) * | 2018-03-30 | 2018-10-09 | 蒋昊涵 | A kind of display control program and its display control method of VR images |
| CN108663799A (en) * | 2018-03-30 | 2018-10-16 | 蒋昊涵 | A kind of display control program and its display control method of VR images |
| CN108986228A (en) * | 2018-07-06 | 2018-12-11 | 网易（杭州）网络有限公司 | The method and device shown for virtual reality median surface |
| CN109001907A (en) * | 2018-07-06 | 2018-12-14 | 成都理想境界科技有限公司 | A kind of high-resolution display module |
| CN109188700A (en) * | 2018-10-30 | 2019-01-11 | 京东方科技集团股份有限公司 | Optical presentation system and AR/VR display device |
| CN109491091A (en) * | 2019-01-10 | 2019-03-19 | 京东方科技集团股份有限公司 | Applied to the optical system and its focus adjustment method in VRAR system |
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