CN206330725U - Device is verified in virtual reality optical distortion - Google Patents
Device is verified in virtual reality optical distortion Download PDFInfo
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- CN206330725U CN206330725U CN201621280472.8U CN201621280472U CN206330725U CN 206330725 U CN206330725 U CN 206330725U CN 201621280472 U CN201621280472 U CN 201621280472U CN 206330725 U CN206330725 U CN 206330725U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model provides a kind of virtual reality optical distortion checking device, including test cell, observation unit, elementary area and processing unit, the test cell includes trial lens to be measured, fixed structure and display screen, and described image unit and the observation unit, the processing unit are electrically connected.Compared with prior art, the utility model effectively simply solves the problem of optical distortion is verified using the combination of test cell, observation unit, elementary area and processing unit.Eyeglass installation portion is set on fixed structure can be convenient for changing trial lens to be measured, facilitate reuse of the present utility model.
Description
Technical field
The utility model is related to field of virtual reality, verifies and fills more specifically to a kind of virtual reality optical distortion
Put.
Background technology
In virtual reality system, in order to allow user visually to possess real feeling of immersion, virtual reality device will
The visual range of human eye is covered as far as possible, therefore is accomplished by filling a specific sphere radian eyeglass in virtual reality device,
But when traditional image is projected using Arc lenses in the eye of people, image is distortion, human eye just has no idea to obtain
Positioning in Virtual Space, i.e., your periphery is all the image of distortion in virtual reality.This problem is solved first to turn round
Turn image, by the corresponding fault image of specific algorithm generation distortion eyeglass, then these fault images are by the mirror that distorts
Piece is projected after human eye, will become normal image, so as to allow people to feel real position projection and big visual angle model
The covering enclosed.Distortion parameter is typically provided by eyeglass manufacturer, but due to the various errors being likely to occur in production process, mirror
The distortion data for the eyeglass that the actual distortion parameter of piece prepares production with manufacturer there may be difference, and this is accomplished by producing
The actual distortion parameter of eyeglass measure and verify, to eliminate underproof eyeglass, it is ensured that virtual reality device is produced
The stability of quality.
Utility model content
The defect of eyeglass distortion parameter can not be verified in order to solve current virtual real world devices, the utility model provides a kind of
Device is verified in virtual reality optical distortion.
The utility model solves the technical scheme that its technical problem used：A kind of virtual reality optical distortion is provided to test
The device of card, including test cell, observation unit, elementary area and processing unit, the test cell include trial lens to be measured,
Fixed structure and display screen, described image unit and the observation unit, the processing unit are electrically connected.
Preferably, the trial lens to be measured is fixed on the fixed structure, and eyeglass peace is provided with the fixed structure
Dress portion, the eyeglass installation portion can be used to install the trial lens to be measured, and the display screen is relative with the trial lens to be measured
It should set.
Preferably, the observation unit includes base, observation eyepiece, eyepiece track and motor, and the observation eyepiece can be with
Eyepiece track motion described in drive lower edge in the motor.
Preferably, the observation unit includes base, movable plate, observation eyepiece, movable plate track, eyepiece track and electricity
Machine, the observation eyepiece can eyepiece track motion described in the drive lower edge in the motor, the eyepiece track is arranged on institute
State on movable plate, the movable plate can drive the observation eyepiece, the motor and the eyepiece track to be moved together along described
Dynamic plate track motion.
Preferably, the fixed structure is removably mounted on the base.
Compared with prior art, the utility model utilizes distortion data backwards calculation light spot position device, establishes display
The one-to-one relation of the observation position of light spot position and observation eyepiece on screen, using luminous point physical location and theoretical position it
Between error verify whether trial lens to be measured meets distortion data, it is simple and easy to do that there is provided a kind of novel checking is to be tested
The mode of eyeglass distortion data, is conducive to preventing that the actual distortion data because of trial lens to be measured from having differences with theoretical distortion data
And the anamorphose produced, save substantial amounts of production cost.Observation unit observes display by simulating human eye visual angle angle
Shield the light of transmitting, be conducive to preferably simulating the view mode of human eye, it is actual that its result tested also is more nearly human eye
The image seen, improves accuracy and adaptability.Can accurate luminous point physical location by the further processing of elementary area
Error between theoretical position, is that processing unit collection data judge whether distortion meets there is provided more accurate data.
Multiple spot observes the accuracy that may further ensure that data.Utilize test cell, observation unit, elementary area and processing unit
Combination effectively simply solves the problem of optical distortion is verified.Eyeglass installation portion is set on fixed structure can facilitate more
Trial lens to be measured is changed, facilitates reuse of the present utility model.Observation unit is moved along eyepiece track motion by motor belt motor, can be with
Conveniently from carrying out, facilitate the setting of multiple points of observation from multiple angles.Can be conveniently with in-motion viewing by the setting of movable plate
Observation of eyes mirror is convenient that next trial lens to be measured is transferred to after a trial lens to be measured has been tested along movable plate track motion.Gu
Fixed structure detachably make it that the installation of trial lens to be measured becomes easy.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the module diagram that device is verified in the optical distortion of the utility model virtual reality；
Fig. 2 is test cell module diagram；
Fig. 3 is the utility model virtual reality optical distortion checking device first embodiment schematic diagram；
Fig. 4 is the utility model virtual reality optical distortion checking device second embodiment schematic diagram.
Embodiment
The defect of eyeglass distortion parameter can not be verified in order to solve current virtual real world devices, the utility model provides a kind of
Device is verified in virtual reality optical distortion.
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed
Illustrate embodiment of the present utility model.
Fig. 1-Fig. 2 is referred to, the utility model virtual reality optical distortion checking device includes test cell 1, observation list
Member 2, elementary area 3 and processing unit 4.Wherein, test cell 1 includes trial lens 12 to be measured, fixed structure 14 and display screen 16,
Trial lens 12 to be measured is fixed on fixed structure 14, and display screen 16 is corresponding with trial lens 12 to be measured to be set.Fixed structure 14 can
With fixed trial lens 12 and display screen 16 to be measured.Elementary area 3 is electrically connected with observation unit 2, processing unit 4 and elementary area
3 are electrically connected with.Observation unit 2 can shoot the image of test cell 1, and the image transmitting of shooting to elementary area 3 is carried out
Processing, elementary area 3 can handle the image of the shooting of observation unit 2, and result is transferred at processing unit 4
Reason, the data that processing unit 4 is transmitted according to elementary area 3 are handled, and calculation of measured data result is joined with given distortion
Several differences.Processing unit 4 is electrically connected with test cell 1 simultaneously, and distortion parameter can be stored in place in use
Manage in unit 4, from processing unit 4 according to the corresponding transmission information of display screen 16 to test cell 1 in the position of observing unit 2, press
Display information according to distortion parameter display screen 16 can reach the demarcation position of observation unit 2 after the distortion of trial lens 12 to be measured
Put, the error between the measuring and calculating calibration position of elementary area 3 and physical location and by error propagation to processing unit 4, processing unit 4
Judge the error that can be determined that the distortion parameter of trial lens 12 to be measured whether in allowed band jointly by multiple measurement results.
Fig. 3 shows the first embodiment of virtual reality optical distortion checking device as an example, and display screen 16 is fixed
It is arranged in fixed structure 14, eyeglass installation portion 18 is provided with fixed structure 14, eyeglass installation portion 18 can be used to installation and treat
Testing lens 12.Observation unit 2 includes base 21, observation eyepiece 23, eyepiece track 25 and motor 27, and observation eyepiece 23 can be
Moved under the drive of motor 27 along eyepiece track 25, convert viewing angle.Fixed structure 14 is removably mounted on base 21,
Installation trial lens 12 to be measured can be disassembled when in use.Observation eyepiece 23 can be rotated around virtual view points 29, simulation
Direction of visual lines observation display screen 16 send via trial lens 12 to be measured reflect after light.
Fig. 4 shows the second embodiment of virtual reality optical distortion checking device as an example, in second embodiment
In, there are two eyeglass installation portions 18 on fixed structure 14, the two pieces of trial lens 12 to be measured in left and right can be installed simultaneously.Display screen 16 is consolidated
Surely be arranged in fixed structure 14, display screen 16 can for simultaneously show right and left eyes image one piece of display panel or
Two pieces of display panels of right and left eyes image are shown respectively.Observation unit 2 includes base 21, movable plate 22, observation eyepiece 23, movement
Plate track 24, eyepiece track 25 and motor 27, observation eyepiece 23 can be moved under the drive of motor 27 along eyepiece track 25, be become
Change viewing angle.Eyepiece track 25 is arranged on movable plate 22, and movable plate 22 can drive observation eyepiece 23, motor 27 and eyepiece
Track 25 is moved along movable plate track 24 together, and movable plate 22 can be in 28 two observations of left eye point of observation 26 and right eye point of observation
Position is fixed.Fixed structure 14 is removably mounted on base 21, can disassemble install to be measured show on trial when in use
Piece 12.
When in use, fixed structure 14 is removed first, and trial lens 12 to be measured is installed at eyeglass installation portion 18, then will be solid
Fixed structure 14 is arranged on base 21.Prestore the distortion data of trial lens 12 to be measured in processing unit 4, resets motor 27,
Motor 27 is set to reach the initial position of one end of eyepiece track 25.Now, preparation is completed before testing.When processing unit 4 connects
Receive after the order for starting test, motor 27 drives observation eyepiece 23 to reach first point of observation, meanwhile, display screen 16 plays root
According to distortion data backwards calculation go out to should point of observation position luminous point, the light of the luminous point can be with after eyeglass 12 to be detected
The ad-hoc location of observation eyepiece 23 is reached, the ad-hoc location is defined as the center of lens of observation eyepiece 23 in the present embodiment.
The image that observation eyepiece 23 is observed image and will be observed that is delivered to elementary area 3, and in the images, the normal place of luminous point is
Picture centre, the image that 3 pairs of transmission of elementary area come is handled, the distance between measuring and calculating luminous point physical location and picture centre
Error, and by the error propagation to processing unit 4, processing unit 4 records the error information, repeated observation step.Observation points
Amount sets more, and eyeglass lens measurement result is finer.After the completion of the test of all points of observation, processing unit 4 collects all
Error information, and judge whether trial lens 12 to be measured meets distortion data and whether meet the requirements according to all data errors.
Criterion determines by the precision of virtual reality device and the manufacturer's standard of virtual reality device manufacturer, for example, for
Virtual reality device of the collimation error requirement no more than 0.1mm, if more than 20% observation point tolerance is more than in test result
0.1mm then judges that the tape test eyeglass 12 meets distortion data, undesirable.
Compared with prior art, the utility model utilizes distortion data backwards calculation light spot position device, establishes display
The one-to-one relation of the observation position of light spot position and observation eyepiece 23, utilizes luminous point physical location and theoretical position on screen 16
Error between putting verifies whether trial lens 12 to be measured meets distortion data, and simple and easy to do there is provided a kind of novel checking
The mode of the distortion data of trial lens 12 to be measured, is conducive to preventing the actual distortion data and theoretical distortion number because of trial lens 12 to be measured
According to the anamorphose for having differences and producing, substantial amounts of production cost is saved.Observation unit 2 is by simulating human eye visual angle angle
To observe the light of the transmitting of display screen 16, be conducive to preferably simulating the view mode of human eye, the result that it is tested is also more
The image actually seen close to human eye, improves accuracy and adaptability.Can be accurate by the further processing of elementary area 3
Error between luminous point physical location and theoretical position, is that the collection of processing unit 4 data judge whether distortion meets there is provided more
Plus accurate data.Multiple spot observes the accuracy that may further ensure that data.Utilize test cell 1, observation unit 2, image
The combination of unit 3 and processing unit 4 effectively simply solves the problem of optical distortion is verified.Set on fixed structure 14
Eyeglass installation portion 18 can be convenient for changing trial lens 12 to be measured, facilitate reuse of the present utility model.Driven by motor 27
Observation unit 2 is moved along eyepiece track 25, can facilitate from multiple angles from carrying out, to facilitate the setting of multiple points of observation.
Observation eyepiece 23 can be conveniently driven to be moved along movable plate track 24 by the setting of movable plate 22, it is convenient to treat having tested one
Next trial lens to be measured 12 is transferred to after testing lens 12.Fixed structure 14 detachably make it that the installation of trial lens 12 to be measured becomes
Obtain easily.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment be only it is schematical, rather than restricted, this area it is common
Technical staff is not departing from the utility model objective and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within protection of the present utility model.
Claims (5)
1. device is verified in a kind of virtual reality optical distortion, it is characterised in that including test cell, observation unit, elementary area
And processing unit, the test cell includes trial lens to be measured, fixed structure and display screen, the trial lens to be measured and described aobvious
Display screen is fixed on the fixed structure, and described image unit and the observation unit, the processing unit are electrically connected,
The test cell is electrically connected with the processing unit.
2. device is verified in virtual reality optical distortion according to claim 1, it is characterised in that the trial lens to be measured is consolidated
It is scheduled on the fixed structure, eyeglass installation portion is provided with the fixed structure, the trial lens to be measured is arranged on the mirror
On piece installation portion, the display screen is corresponding with the trial lens to be measured to be set.
3. device is verified in virtual reality optical distortion according to claim 2, it is characterised in that the observation unit includes
Base, observation eyepiece, eyepiece track and motor.
4. device is verified in virtual reality optical distortion according to claim 2, it is characterised in that the observation unit includes
Base, movable plate, observation eyepiece, movable plate track, eyepiece track and motor, the eyepiece track are arranged on the movable plate
On.
5. the virtual reality optical distortion checking device according to claim 3 or 4, it is characterised in that the fixed structure
It is removably mounted on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280472.8U CN206330725U (en) | 2016-11-25 | 2016-11-25 | Device is verified in virtual reality optical distortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280472.8U CN206330725U (en) | 2016-11-25 | 2016-11-25 | Device is verified in virtual reality optical distortion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206330725U true CN206330725U (en) | 2017-07-14 |
Family
ID=59289359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621280472.8U Expired - Fee Related CN206330725U (en) | 2016-11-25 | 2016-11-25 | Device is verified in virtual reality optical distortion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206330725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884160A (en) * | 2017-09-25 | 2018-04-06 | 杭州浙大三色仪器有限公司 | Virtual image photoelectric measuring instrument |
| CN107884159A (en) * | 2017-09-25 | 2018-04-06 | 杭州浙大三色仪器有限公司 | virtual image display device photoelectric measuring device |
-
2016
- 2016-11-25 CN CN201621280472.8U patent/CN206330725U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884160A (en) * | 2017-09-25 | 2018-04-06 | 杭州浙大三色仪器有限公司 | Virtual image photoelectric measuring instrument |
| CN107884159A (en) * | 2017-09-25 | 2018-04-06 | 杭州浙大三色仪器有限公司 | virtual image display device photoelectric measuring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 |