CN106644396B - The detection device and detection method of the delay time of VR glasses - Google Patents
The detection device and detection method of the delay time of VR glasses Download PDFInfo
- Publication number
- CN106644396B CN106644396B CN201611168026.2A CN201611168026A CN106644396B CN 106644396 B CN106644396 B CN 106644396B CN 201611168026 A CN201611168026 A CN 201611168026A CN 106644396 B CN106644396 B CN 106644396B
- Authority
- CN
- China
- Prior art keywords
- glasses
- fixed part
- optical detector
- camera
- light source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The present invention provides the detection device and detection method of a kind of delay time of VR glasses, the detection device bag includes camera, light source, optical detector, the first fixed part and the second fixed part, the camera is fixed on first fixed part, and second fixed part is for fixing the VR glasses and the light source；The display interface of the camera and the VR glasses is oppositely arranged, the camera is used to acquire the image of the display interface of the VR glasses, second fixed part has the first state of the light source and the optical detector face and the second state far from the optical detector, and the optical detector is used to detect the light intensity of light source when VR glasses movement.The detection device and detection method of the delay time of VR glasses proposed by the present invention reduces detection time and detection difficulty, the accuracy for improving detection.
Description
Technical field
The present invention relates to smart machine unlocking technology field more particularly to a kind of detection devices of the delay time of VR glasses
And detection method.
Background technique
Virtual reality technology (VR) is a kind of computer simulation system that can be created with the experiencing virtual world, it utilizes meter
Calculation machine generates a kind of simulated environment, which is a kind of interactive Three-Dimensional Dynamic what comes into a driver's and entity of Multi-source Information Fusion
The system emulation of behavior is able to use family and is immersed in the environment.Virtual reality technology mainly include simulated environment, perception, from
Right technical ability and sensing equipment etc..Mainly postponing for its performance is determined in VR product, the delay in VR refers to
" Motion-To-Photon Latency ", at the time of what wherein Motion was indicated is that user movement starts, what Photon was indicated
At the time of being that respective picture is shown on screen, then, Motion-To-Photon Latency is since user movement
The time spent in being shown on screen to respective picture.The delay of one qualified VR product must control within 20ms, because
This, the detection to the delay time of VR product is essential step.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides the detection device and detection of a kind of delay time of VR glasses
Method can reduce detection time and detection difficulty, the accuracy for improving detection.
It is proposed by the present invention the specific technical proposal is: providing the detection device of the delay time of VR glasses a kind of, the inspection
Measurement equipment includes camera, light source, optical detector, the first fixed part and the second fixed part, and the camera is fixed on described
One fixed part, second fixed part is for fixing the VR glasses and the light source；The camera and the VR glasses
Display interface is oppositely arranged, and the camera is used to acquire the image of the display interface of the VR glasses, second fixed part
First state with the light source and the optical detector face and the second state far from the optical detector, the light
Detector is used to detect the light intensity of light source when VR glasses movement.
Further, the detection device further includes support component, and the support component includes pedestal, support shaft and balance
Bar, the support shaft are rotatablely connected perpendicular to the pedestal, the balancing pole and the support shaft；First fixed part is institute
The first end of balancing pole is stated, second fixed part is the second end of the balancing pole, and the optical detector is set to the bottom
On seat.
Further, the light source is laser.
Further, the beam diameter of the light source is 0~0.5mm.
Further, the optical detector is photodiode.
Further, the camera and the VR glasses are about the support axial symmetry.
Further, the camera is equipped with USB interface, and the USB interface is for connecting computer.
The present invention also provides the detection method of the delay time of VR glasses a kind of, the detection method includes following step
It is rapid:
Detect the image of the light intensity of light source, the display interface for acquiring VR glasses；
Judge whether the light intensity changes, if changing, has been denoted as at the time of the light intensity is changed
Begin the moment；
Judge whether the visual angle of described image changes, if changing, the visual angle of described image is changed
At the time of be denoted as response the moment；
The response moment and the initial time are made into difference and obtain the delay time of the VR glasses.
The detection device and detection method of the delay time of VR glasses proposed by the present invention, the detection device include that light is visited
Device and camera are surveyed, when detecting the variation of light intensity by optical detector and obtain initial time, that is, Motion according to the variation of light intensity
It carves, when acquiring the image of the display interface of VR glasses by camera and obtain response moment, that is, Photon according to described image
It carves, the response moment and the initial time is then made into the delay time that difference just obtains the VR glasses, the detection dress
It sets and detection method reduces detection time and detection difficulty, the accuracy for improving detection.
Detailed description of the invention
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention, technical solution of the present invention will be made
And other beneficial effects are apparent.
Fig. 1 is the top view of the detection device of the delay time of VR glasses in embodiment 1；
Fig. 2 is the sectional view of the detection device of the delay time of VR glasses in Fig. 1；
Fig. 3 is the flow chart of the detection method of the delay time of VR glasses.
Specific embodiment
Hereinafter, with reference to the accompanying drawings to detailed description of the present invention embodiment.However, it is possible to come in many different forms real
The present invention is applied, and the present invention should not be construed as limited to the specific embodiment illustrated here.On the contrary, providing these implementations
Example is in order to explain the principle of the present invention and its practical application, to make others skilled in the art it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.In the accompanying drawings, identical label will be used for table always
Show identical element.
Referring to Fig.1, Fig. 2, the detection device of the delay time of VR glasses provided in this embodiment include camera 1, light spy
Survey device 2, light source 5, the first fixed part and the second fixed part.Camera 1 is fixed on the first fixed part, and the second fixed part is for solid
Determine VR glasses 4 and light source 5.The display interface of camera 1 and VR glasses 4 is oppositely arranged, and is used to acquire display circle of VR glasses 4
The image in face.First state of second fixed part with light source 5 and 2 face of optical detector and second far from optical detector 2
State, the light intensity of light source 5 when optical detector 2 is used to detect the movement of VR glasses 4.
When VR glasses 4 are mobile, one is mobile therewith for the second fixed part, and light source 5 can also move together therewith, when second solid
When determining portion and being converted between the first state and a second state, optical detector 2 detects that the light intensity of light source 5 can change,
The variation of light intensity is converted to electric signal by optical detector 2.When VR glasses 4 occur mobile, the view of 1 acquired image of camera
Angle can also change.
Wherein, the movement of VR glasses 4 includes moving left and right, be moved forward and backward and moving up and down.In order to more accurately to VR
The delay time of mirror is detected, and the moving direction of VR glasses 4 is different, and the setting position of optical detector 2 is different.
Specifically, the detection device further includes support component 3.Support component 3 includes pedestal 31, support shaft 32 and balance
Bar 33.Pedestal 31 is circle, and support shaft 32 is column, and perpendicular to pedestal 31, balancing pole 33 and support shaft 32 are rotatablely connected, branch
Support axis 32 is used to support balancing pole 33 and balancing pole 33 is suspended from 31 top of pedestal.Wherein, balancing pole 33 is in the horizontal plane around branch
The rotation of axis 32 is supportted i.e. in the rotation in surface for being parallel to pedestal 31.
First fixed part is the first end 33a of balancing pole 33, and the second fixed part is the second end 33b of balancing pole 33.Camera shooting
First 1 first end 33a, the VR glasses 4 for being set to balancing pole 33 are set to the second end 33b of balancing pole 33, and light source 5 is set to balance
On bar 33, optical detector 2 is set on pedestal 31 and is oppositely arranged with light source 5.Wherein, light source 5 is set on second end 33b,
Optical detector 2 is set to pedestal one end corresponding with second end 33b.
Preferably, light source 5 is laser in the present embodiment, and optical detector 2 is photodiode.In order to increase the detection
The sensitivity of device, the beam diameter of light source 5 are 0~0.5mm.Even if in this way, the angle of the mobile very little of VR glasses 4, light source 5
Light intensity variation can also be detected by optical detector 2.
Camera 1 and VR glasses 4 are symmetrical about support shaft 32.Under normal circumstances, camera 1 and VR glasses 4 are in flat
Weighing apparatus state, that is, balancing pole 33 is parallel with pedestal 31.When applying external force to first end 33a or second end 33b, balancing pole 33 will
It is rotated in the horizontal plane around support shaft 32 and light source 5 is driven to rotate together, opposite position can occur between light source 5 and optical detector 2
It moves, therefore, the light intensity that light source 5 is irradiated on optical detector 2 will change.
It is respectively equipped with USB interface on camera 1 and optical detector 2 and is connect respectively by USB interface with computer.Camera
The image of the display interface of the VR glasses 4 of acquisition is sent to computer by USB interface by 1, and optical detector 2 will by USB interface
The electric signal being converted by the variation of light intensity is exported to computer.
When first end 33a or second end 33b have external force, balancing pole 33 will turn in the horizontal plane around support shaft 32
Dynamic, at this point, the light intensity for the light source 5 that optical detector 2 detects can also change, optical detector 2 is converted to the variation of light intensity
Electric signal is output in computer.Since VR glasses 4 move, the image of the display interface for the VR glasses 4 that camera 1 acquires
Visual angle can also change, and acquired image is also sent to computer by camera 1.It has been denoted as at the time of light intensity is changed
Begin the moment；The response moment is denoted as at the time of the visual angle of image is changed；The difference for responding moment and initial time is just VR
The delay time of mirror 4.
Referring to Fig. 3, the present embodiment additionally provides the detection method of the delay time of VR glasses a kind of, the detection method packet
Include following steps:
Step S1, the image of the light intensity of light source 5, the display interface for acquiring VR glasses 4 is detected；
Step S2, judge whether the light intensity changes, if changing, at the time of the light intensity is changed
It is denoted as initial time；
Step S3, judge whether the visual angle of image changes, if changing, the visual angle of described image is become
The response moment is denoted as at the time of change；
Step S4, the response moment and the initial time are made into difference and obtains the delay time of VR glasses 4.
The detection device and detection method of the delay time for the VR glasses 4 that the present embodiment proposes, detection device include camera shooting
First 1 and optical detector 2, pass through optical detector 2 and detect the variation of light intensity and changed according to light intensity and obtains initial time, that is, Motion
Moment acquires the image of the display interface of VR glasses by camera 1 and obtains response moment, that is, Photon according to described image
Moment, then will response the moment and initial time make difference just obtain the delay time of VR glasses 4, thus reduce detection time and
Detection difficulty, the accuracy for improving detection.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (7)
1. a kind of detection device of the delay time of VR glasses, which is characterized in that including camera, light source, optical detector, first
Fixed part and the second fixed part, the camera are fixed on first fixed part, and second fixed part is for described in fixation
VR glasses and the light source；The display interface of the camera and the VR glasses is oppositely arranged, and the camera is for acquiring
The image of the display interface of the VR glasses, second fixed part have the first of the light source and the optical detector face
Second state of state and the separate optical detector, the light when optical detector is for detecting VR glasses movement
The light intensity in source, the detection device further include support component, and the support component includes pedestal, support shaft and balancing pole, described
Support shaft is rotatablely connected perpendicular to the pedestal, the balancing pole and the support shaft；First fixed part is the balance
The first end of bar, second fixed part are the second end of the balancing pole, and the optical detector is set on the pedestal.
2. detection device according to claim 1, which is characterized in that the light source is laser.
3. detection device according to claim 2, which is characterized in that the beam diameter of the light source is 0~0.5mm.
4. detection device according to claim 1, which is characterized in that the optical detector is photodiode.
5. detection device according to claim 1, which is characterized in that the camera and the VR glasses are about the branch
Support axial symmetry.
6. detection device according to claim 1-5, which is characterized in that the camera is equipped with USB interface,
The USB interface is for connecting computer.
7. a kind of detection method of the delay time of VR glasses, which is characterized in that utilize the inspection as described in claim 1-6 is any
The delay time of device detection VR glasses is surveyed, described detection method includes the following steps:
Optical detector detects the light intensity of light source when the second fixed part is converted to the second state from first state, camera acquisition second
The image of the display interface of VR glasses when fixed part is converted to the second state from first state；
Judge whether the light intensity changes according to the light intensity that optical detector detects, if changing, the light intensity is sent out
Initial time is denoted as at the time of changing；
Judge whether the visual angle of described image changes according to the image that camera acquires, if changing, by the figure
The response moment is denoted as at the time of the visual angle of picture changes；
The response moment and the initial time are made into difference and obtain the delay time of the VR glasses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168026.2A CN106644396B (en) | 2016-12-16 | 2016-12-16 | The detection device and detection method of the delay time of VR glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168026.2A CN106644396B (en) | 2016-12-16 | 2016-12-16 | The detection device and detection method of the delay time of VR glasses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644396A CN106644396A (en) | 2017-05-10 |
| CN106644396B true CN106644396B (en) | 2019-06-25 |
Family
ID=58822634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611168026.2A Active CN106644396B (en) | 2016-12-16 | 2016-12-16 | The detection device and detection method of the delay time of VR glasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644396B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302697A (en) * | 2017-06-28 | 2017-10-27 | 东莞华贝电子科技有限公司 | A kind of imaging test device of VR equipment |
| 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 |
| 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 |
| CN108174192B (en) * | 2018-01-04 | 2019-11-05 | 京东方科技集团股份有限公司 | The detection method and device of smart machine delay time |
| CN109696191B (en) * | 2018-12-29 | 2020-06-30 | 北京理工大学 | Movement delay measurement method of virtual reality head-mounted display equipment |
| CN109737997B (en) * | 2018-12-29 | 2020-10-20 | 北京理工大学 | Rotation delay measuring method of virtual reality head-mounted display equipment |
| CN109696188B (en) * | 2018-12-29 | 2020-07-21 | 北京理工大学 | Rotation delay measuring method of VR helmet based on laser tube |
| CN109696190B (en) * | 2018-12-29 | 2020-09-18 | 北京理工大学 | Method for measuring rotation delay of VR helmet based on gradient coding |
| CN109696189B (en) * | 2018-12-29 | 2020-10-23 | 北京理工大学 | Rotation delay measuring method of VR helmet based on encoder |
| CN109752097B (en) * | 2018-12-29 | 2020-08-11 | 北京理工大学 | Laser tube-based movement delay measurement method for VR helmet |
| CN110907142B (en) * | 2019-12-09 | 2021-08-03 | 中国科学院长春光学精密机械与物理研究所 | Visual somatosensory equipment testing system and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004109994A (en) * | 2002-08-30 | 2004-04-08 | Olympus Corp | Head mounted image display system device and image processing method therefor |
| JP5739822B2 (en) * | 2010-01-15 | 2015-06-24 | 大学共同利用機関法人情報・システム研究機構 | Speed / distance detection system, speed / distance detection device, and speed / distance detection method |
| CN105488794B (en) * | 2015-11-26 | 2018-08-24 | 中山大学 | A kind of action prediction method and system based on space orientation and cluster |
| CN105807601A (en) * | 2016-03-10 | 2016-07-27 | 北京小鸟看看科技有限公司 | Method and system for testing virtual reality equipment delay |
| CN105847785A (en) * | 2016-05-09 | 2016-08-10 | 上海乐相科技有限公司 | Image processing method, device and system |
| CN105954007B (en) * | 2016-05-18 | 2018-10-02 | 杭州映墨科技有限公司 | Delay test system and method for virtual implementing helmet acceleration movement |
-
2016
- 2016-12-16 CN CN201611168026.2A patent/CN106644396B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644396A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106644396B (en) | The detection device and detection method of the delay time of VR glasses | |
| CN106441810B (en) | The detection device and detection method of the delay time of VR equipment | |
| Di Luca | New method to measure end-to-end delay of virtual reality | |
| Livingston et al. | Performance measurements for the Microsoft Kinect skeleton | |
| CN101917638B (en) | Stereo display device, mobile terminal and stereo display tracking method | |
| Chang et al. | Performance measurements of virtual reality systems: Quantifying the timing and positioning accuracy | |
| KR20140126419A (en) | Point of gaze detection device, point of gaze detection method, individual parameter computation device, individual parameter computation method, program, and computer-readable recording medium | |
| CN103940822A (en) | Product outer surface defect image acquisition device based on machine vision | |
| CN105929963A (en) | Method for tracing eyeball position and detection device | |
| CN109477855A (en) | Accelerometer | |
| CN107884159A (en) | virtual image display device photoelectric measuring device | |
| JPS62501477A (en) | Eye movement measuring device | |
| Leifer et al. | Three-dimensional acceleration measurement using videogrammetry tracking data | |
| CN114341781A (en) | Glint-based gaze tracking using directional light sources | |
| CN106020451A (en) | Positioning and movement identification system | |
| ITUB20155808A1 (en) | APPARATUS AND METHOD FOR NON-INVASIVE INSPECTION OF SOLID BODIES BY MEANS OF IMAGING | |
| CN106643601A (en) | Industrial robot dynamic six-dimensional parameter measuring method | |
| US12015859B2 (en) | High dynamic range for dual pixel sensors | |
| CN106644397B (en) | The detection device and detection method of the delay time of VR device | |
| RU167298U1 (en) | MEASURING COMPLEX FOR DETERMINING CHARACTERISTICS OF ORIENTATION SENSOR | |
| CN112577443B8 (en) | Spectacle frame shape measuring device and lens processing device | |
| US20200229751A1 (en) | Method and system for assessing a balance and posture of a subject | |
| KR20180075731A (en) | Apparatus and method for measuring latency of head mounted display | |
| CN102519672B (en) | Monocular-principle-based six-degree-of-freedom position and attitude measuring device for measuring static balance of gyroscope | |
| CN104360417B (en) | A kind of lasting accuracy test equipment of photoelectric detecting system stabilized platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |