CN106441810B - The detection device and detection method of the delay time of VR equipment - Google Patents
The detection device and detection method of the delay time of VR equipment Download PDFInfo
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- CN106441810B CN106441810B CN201611163824.6A CN201611163824A CN106441810B CN 106441810 B CN106441810 B CN 106441810B CN 201611163824 A CN201611163824 A CN 201611163824A CN 106441810 B CN106441810 B CN 106441810B
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- 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
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Abstract
The present invention provides the detection device and detection method of a kind of delay time of VR equipment, the detection device includes camera, range sensor, 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 equipment；The camera and the display interface of the VR equipment are oppositely arranged, the camera is used to acquire the image of the display interface of the VR equipment, second fixed part has the second state with the first state of the range sensor face and with the separate range sensor, and the range sensor is used to detect the location information of the VR equipment.The detection device and detection method of the delay time of VR equipment 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 equipment
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 equipment
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 equipment a kind of, the inspection
Surveying device includes camera, range sensor, the first fixed part and the second fixed part, and the camera is fixed on described first
Fixed part, second fixed part is for fixing the VR equipment；The camera is opposite with the display interface of the VR equipment
Setting, the camera be used for acquire the VR equipment display interface image, second fixed part have with it is described away from
First state from sensor face and the second state far from the range sensor, the range sensor is for detecting
The location information of the VR equipment.
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 range sensor is set to described
On pedestal.
Further, the camera and the VR equipment are about the support axial symmetry.
Further, the detection device further includes the baffle being set on the balancing pole, and the baffle is located at described
Between balancing pole and the pedestal, the baffle is used to block the emission port hair of the range sensor in the first state
Light out.
Further, the baffle includes interconnecting piece and occlusion part, and the interconnecting piece is connect with the balancing pole, the screening
Stopper is connect with the interconnecting piece, and the occlusion part is used to block the emission port of the range sensor in the first state
The light of sending.Further, the occlusion part is parallel with the pedestal, and the interconnecting piece is perpendicular to the occlusion part.
Further, the range sensor is infrared laser sensor.
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 equipment a kind of, the detection method includes following step
It is rapid:
Detect the image of the location information of the VR equipment, the display interface of the acquisition VR equipment；
Judge whether the location information changes, if changing, when the location information is changed
It engraves as initial time；
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 equipment.
The detection device and detection method of the delay time of VR equipment proposed by the present invention, the detection device include distance
Sensor and camera detect the location information of the VR equipment by range sensor and are risen according to the positional information
Begin time, that is, Motion moment, the image of the display interface of VR equipment is acquired by camera and is responded according to described image
Moment, that is, Photon moment, when the response moment and initial time work difference just then being obtained the delay of the VR equipment
Between, the detection device and detection method reduce 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 equipment in embodiment 1；
Fig. 2 is the sectional view of the detection device of the delay time of VR equipment in Fig. 1；
Fig. 3 is the flow chart of the detection method of the delay time of VR equipment；
Fig. 4 is the sectional view of the detection device of the delay time of VR equipment in embodiment 2.
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.
The detection device of the delay time of VR equipment provided by the invention includes camera, range sensor, the first fixation
Portion and the second fixed part, camera are fixed on the first fixed part, and the second fixed part is for fixing VR equipment；Camera is set with VR
Standby display interface is oppositely arranged, and the image of the display interface for acquiring VR equipment, the second fixed part has and Distance-sensing
Second state of the first state of device face and separate range sensor, range sensor are used to detect the position letter of VR equipment
Breath.Wherein, the location information of VR equipment refers to the distance between VR equipment and range sensor.
The light of range sensor transmitting projects on the second fixed part, when VR equipment occurs mobile, the second fixed part
Also it can move therewith, when the second fixed part is converted between the first state and a second state, range sensor 2 is examined
The optical signal measured can change, and changed optical signal is converted to electric signal.When VR equipment occurs mobile, take the photograph
As the visual angle of head acquired image can also change.
Wherein, the movement of VR equipment includes moving left and right, be moved forward and backward and moving up and down.In order to more accurately to VR equipment
Delay time detected, the moving direction of VR equipment is different, and the setting position of range sensor is different.
Embodiment 1
Referring to Fig.1, Fig. 2, the detection device of the delay time of the VR equipment in the present embodiment include that camera 1, distance pass
Sensor 2 and support component 3.Support component 3 includes pedestal 31, support shaft 32 and balancing pole 33.Pedestal 31 is circle, support shaft 32
For column, perpendicular to pedestal 31, balancing pole 33 and support shaft 32 are rotatablely connected, and support shaft 32 is used to support balancing pole 33 and will
Balancing pole 33 is suspended from 31 top of pedestal.Wherein, balance bar 33 exists in the plane where X-axis and Y-axis around the rotation of support shaft 32
The rotation in surface parallel with 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 equipment 4 for being set to balancing pole 33 is set to the second end 33b of balancing pole 33, and range sensor 2 is arranged
In on pedestal.Camera 1 and VR equipment 4 are symmetrical about support shaft 32.
Detection device further includes the baffle 34 being set on balancing pole 33, baffle 34 be located at balancing pole 33 and pedestal 31 it
Between, baffle 34 is used to block the light that the emission port of range sensor 2 issues in first state.Specifically, baffle 34 includes
Interconnecting piece 34a and occlusion part 34b, interconnecting piece 34a are connect with balancing pole 33, and occlusion part 34b is connect with interconnecting piece 34a, occlusion part
34b is located at the plane where X-axis and Y-axis, and occlusion part 34b is parallel with pedestal 31, and interconnecting piece 34a is perpendicular to occlusion part 34b.?
When one state, the emission port of range sensor 2 impinges perpendicularly on occlusion part 34b along the light that Z-direction issues, occlusion part
34b is used to block the light that the emission port of range sensor 2 issues.Wherein, for the emission port for sensor 2 of preferably adjusting the distance
The light of sending is blocked, and projection of the occlusion part 34b in the plane where X-axis and Y-axis is completely covered range sensor 2 and exists
The projection in plane where X-axis and Y-axis.
Range sensor 2 is infrared laser sensor, and the light that emission port issues in first state, which is projeced into, to be blocked
On portion 34b.USB interface (figure is not marked) is respectively equipped on camera 1 and range sensor 2 and respectively by USB interface and computer
Connection.
The original state of occlusion part 34b is first state, when first end 33a or second end 33b has external force, balance
Bar 33 will be rotated around support shaft 32 i.e. in the rotation in surface for being parallel to pedestal 31, at this point, occlusion part 34b turns from first state
The second state is changed to, i.e. occlusion part 34b from the emission port of range sensor 2 is blocked to the transmitting of separate range sensor 2 completely
Mouthful, the optical signal that range sensor 2 detects can generate variation and the optical signal for generating variation is converted to electric signal to be passed through again
USB interface is output in computer.Since VR equipment 4 moves, the image of the display interface for the VR equipment 4 that camera 1 acquires
Visual angle can also change, acquired image is also sent to computer by USB interface by camera 1.Location information is sent out
At the time of changing, that is, optical signal generate variation at the time of be denoted as initial time；It is denoted as at the time of the visual angle of image is changed
Respond the moment；The difference of response moment and initial time is just the delay time of VR equipment 4.
Referring to Fig. 3, the present embodiment additionally provides the detection method of the delay time of VR equipment a kind of, the detection method packet
Include following steps:
Step S1, the image of the location information of VR equipment 4, the display interface for acquiring VR equipment 4 is detected；
Step S2, judge whether location information changes, it is if changing, the location information is changed
Moment 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 equipment 4.
The detection device and detection method of the delay time for the VR equipment that the present embodiment proposes, detection device include that distance passes
Sensor 2 and camera 1 detect the location information of VR equipment 4 by range sensor 2 and are originated according to the positional information
Time, that is, Motion moment acquires the image of the display interface of VR equipment 4 by camera 1 and is responded according to described image
Then the response moment and the initial time are made the delay time that difference just obtains VR equipment 4 by the moment, that is, Photon moment,
The detection device and its detection method reduce detection time and detection difficulty, the accuracy for improving detection.
Embodiment 2
Referring to Fig. 4, the present embodiment is difference from example 1 is that balance bar 33 turns around support shaft 32 along Z-direction
Dynamic is in the rotation in surface perpendicular to pedestal 31, and occlusion part 34b is located at the plane where X-axis and Z axis, and occlusion part 34b is vertical
In pedestal 31, range sensor 2 is set on pedestal one end corresponding with VR equipment 4.In first state, range sensor 2
The light that issues along the y axis of emission port impinge perpendicularly on occlusion part 34b, occlusion part 34b is for blocking range sensor 2
Emission port issue light.
In first state, it is parallel with pedestal 31 that camera 1 and VR equipment 4 are in equilibrium state, that is, balancing pole 33, at this point,
The light that the emission port of range sensor 2 the issues along the y axis portion 34b that is blocked is blocked.To first end 33a or second end
When 33b applies external force, balancing pole 33 will be rotated and run-off the straight around support shaft 32 along Z-direction, and occlusion part 34b is from the first shape
State is transformed into the second state, i.e. occlusion part 34b from the emission port of range sensor 2 is blocked to far from range sensor 2 completely
Emission port.The optical signal that range sensor 2 detects can generate variation and the optical signal for generating variation is converted to electric signal again
It is output in computer by USB interface.Since VR equipment 4 moves, the display interface for the VR equipment 4 that camera 1 acquires
The visual angle of image can also change, and acquired image is also sent to computer by USB interface by camera 1.Position is believed
Initial time is denoted as at the time of i.e. optical signal generates variation at the time of breath changes；At the time of the visual angle of image is changed
It is denoted as the response moment；The difference of response moment and initial time is just the delay time of VR equipment 4.
When the detection device and detection method of the delay time for the VR equipment that the present embodiment proposes can equally reduce detection
Between and detection difficulty, improve detection accuracy.
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 (4)
1. a kind of detection device of the delay time of VR equipment, which is characterized in that consolidate including camera, range sensor, first
Determine portion and the second fixed part, the camera is fixed on first fixed part, and second fixed part is for described in fixation
VR equipment；The camera and the display interface of the VR equipment are oppositely arranged, for acquiring the display interface of the VR equipment
Image, second fixed part has and the first state of the range sensor face and far from the range sensor
The second state, the range sensor is used to detect the location information of the VR equipment；The detection device further includes support
Component, the support component include pedestal, support shaft and balancing pole, and the support shaft is perpendicular to the pedestal, the balancing pole
It is rotatablely connected with the support shaft；First fixed part is the first end of the balancing pole, and second fixed part is described
The second end of balancing pole, the range sensor are set on the pedestal；The detection device further includes being set to described put down
The baffle to weigh on bar, for the baffle between the balancing pole and the pedestal, the baffle includes interconnecting piece and occlusion part,
The interconnecting piece is connect with the balancing pole, and the occlusion part is connect with the interconnecting piece, and the occlusion part is used for described the
The light that the emission port of the range sensor issues is blocked when one state, the camera and the VR equipment are about the branch
Axial symmetry is supportted, the occlusion part is parallel with the pedestal, and the interconnecting piece is perpendicular to the occlusion part.
2. detection device according to claim 1, which is characterized in that the range sensor is infrared laser sensor.
3. detection device according to claim 1 or 2, which is characterized in that the camera is equipped with USB interface, described
USB interface is for connecting computer.
4. a kind of detection method of the delay time of VR equipment, which is characterized in that utilize inspection a method according to any one of claims 1-3
The delay time of device detection VR equipment is surveyed, described detection method includes the following steps:
Range sensor detects the location information of the VR equipment, camera shooting when occlusion part is converted to the second state from first state
Head acquires the image of the display interface of the VR equipment when occlusion part is converted to the second state from first state；
Judge whether the location information changes according to the location information that the range sensor detects, if changing,
Initial time is denoted as at the time of then the location information is changed；
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 equipment.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108022544B (en) * | 2017-11-28 | 2021-05-25 | 中国电子技术标准化研究院 | A method and system for detecting display quality of virtual reality equipment |
| 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 |
| CN108415799B (en) * | 2018-02-11 | 2021-07-09 | 深圳创维新世界科技有限公司 | Time delay measuring system |
| CN108446192B (en) * | 2018-02-11 | 2021-05-04 | 深圳创维新世界科技有限公司 | Time delay measuring equipment |
| CN108427612B (en) * | 2018-02-11 | 2021-07-09 | 深圳创维新世界科技有限公司 | Delay measurement method |
| CN109739737A (en) * | 2018-12-21 | 2019-05-10 | 歌尔科技有限公司 | Wear method of testing delay, equipment and the computer storage medium of display equipment |
| CN112312127B (en) * | 2020-10-30 | 2023-07-21 | 中移（杭州）信息技术有限公司 | Imaging detection method, device, electronic equipment, system and storage medium |
| CN114596421A (en) * | 2020-12-07 | 2022-06-07 | 中国移动通信有限公司研究院 | Parameter detection method, device and equipment |
| CN113824902B (en) * | 2021-09-30 | 2024-06-18 | 杭州海康汽车软件有限公司 | Method, device, system, equipment and medium for determining time delay of infrared camera system |
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Effective date of registration: 20230718 Address after: 2202, 19 / F, building 1, yard 4, Guanghua Road, Chaoyang District, Beijing Patentee after: Beijing Xinghe Hui Technology Co.,Ltd. Address before: 518057 16th floor, block B, TCL building, South 1st Road, Gaoxin, Nanshan District, Shenzhen City, Guangdong Province Patentee before: JRD COMMUNICATION (SHENZHEN) Ltd. |