CN107687932A - The detection method and device of head-mounted display apparatus delay - Google Patents
The detection method and device of head-mounted display apparatus delay Download PDFInfo
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- CN107687932A CN107687932A CN201610639951.2A CN201610639951A CN107687932A CN 107687932 A CN107687932 A CN 107687932A CN 201610639951 A CN201610639951 A CN 201610639951A CN 107687932 A CN107687932 A CN 107687932A
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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
Abstract
The present invention provides a kind of detection method of head-mounted display apparatus delay, comprises the following steps：Head-mounted display apparatus is fixed on equipment supporter, the equipment supporter is rotated vertically with default angular speed；The anglec of rotation of the head-mounted display apparatus is detected by sensor；According in preset time period, the anglec of rotation of the head-mounted display apparatus of the equipment supporter anglec of rotation and sensor detection, the delay of the head-mounted display apparatus is determined.Present invention simultaneously provides a kind of detection means of head-mounted display apparatus delay.The detection method and device of head-mounted display apparatus delay of the present invention, can effectively improve the detection efficiency and accuracy of detection of head-mounted display apparatus delay, and the delay suitable for wear-type virtual reality device detects.
Description
Technical field
The present invention relates to computer vision and field of artificial intelligence, more particularly to a kind of head-mounted display apparatus to postpone
Detection method and device.
Background technology
Virtual reality technology (Virtual Reality, abbreviation VR), passes through computer graphics, machine vision technique, people
The technical constructions such as work intellectual technology go out the model of a simulation reality and realize man-machine interaction, produce and identical in real world
Feedback information, to reach the effect entered in virtual world, user is set to obtain and sensory experience same in real world.
At present, delay is one of technical problem underlying that virtual reality technology faces.It is discontinuous that delay causes what comes into a driver's to exist
Or distortion phenomenon, the virtual environment for feeling user are not true enough.In addition, the presence of delay causes user to produce for a long time
The senses of discomfort such as nausea, dizziness.The generation of sense of discomfort is mainly caused by sensory conflict, wherein most importantly visual sense feeling conflict.
Visual sense feeling conflict causes mainly due to sensor tracking delay, the delay that what comes into a driver's is calculated and shown, transmission delay etc. be present.
Wherein, sensor tracking delay is a major part for causing system delay.For the use of the virtual reality system of high quality
For the experience of family, it is most important that prolonging between the eyes of user of refreshed image arrival in real time in the movement of user's head physics and the helmet
The slow time.Therefore, accurately the delay of detection head-mounted display apparatus is to judge the quality of wear-type virtual reality device, and solution
Certainly, it is necessary to one of solve the problems, such as first during wear-type virtual reality device delay issue.
The content of the invention
It is an object of the invention to provide a kind of detection method and device of head-mounted display apparatus delay, by will be to be detected
Head-mounted display apparatus be fixed on preset angular speed rotation equipment supporter, pass through the rotation of camera record equipment supporter
Angle and the anglec of rotation that the head-mounted display apparatus is detected by head-mounted display apparatus internal sensor, calculate and determine
The time delay of the head-mounted display apparatus, it is effectively improved the detection efficiency and detection essence of head-mounted display apparatus delay
Degree, the delay detection of the wear-type that is particularly suitable for use in virtual reality device.
In view of this, one aspect of the present invention provides a kind of detection method of head-mounted display apparatus delay, including following step
Suddenly：Head-mounted display apparatus is fixed on equipment supporter, the equipment supporter is rotated vertically with default angular speed；Pass through biography
Sensor detects the anglec of rotation of the head-mounted display apparatus；According in preset time period, the equipment supporter anglec of rotation
And the anglec of rotation of the head-mounted display apparatus of the sensor detection, determine the delay of the head-mounted display apparatus.
Preferably, described that head-mounted display apparatus is fixed on into equipment supporter, the equipment supporter is with default angular speed
The step of rotating vertically, in addition to：Centered on the axle center of the equipment supporter, the equipment supporter axle center it is default away from
First angle mark is arranged circumferentially from place, indicates the anglec of rotation of the equipment supporter.
Preferably, it is described the head-mounted display apparatus is detected by sensor the anglec of rotation the step of, in addition to：Institute
State and show that second angle identifies in the screen of head-mounted display apparatus, indicate the sensor detection of the head-mounted display apparatus
The anglec of rotation of the head-mounted display apparatus.
Preferably, it is described according in preset time period, the equipment supporter anglec of rotation and sensor detection
The anglec of rotation of the head-mounted display apparatus, the step of determining the delay of the head-mounted display apparatus, it is specially：Pass through
One video camera gathers the image of the first angle mark in real time；The second angle is gathered in real time by the second video camera to identify
Image；The image identified according to the image that the first angle identifies in preset time period with the second angle, it is determined that
The delay of the head-mounted display apparatus.
Preferably, it is described to be identified according to the image that the first angle identifies in preset time period and the second angle
Image, the step of determining the delay of the head-mounted display apparatus, be specially：Identify that certain is for the moment in the preset time period
Between the image of first angle mark corresponding to point and the image of second angle mark, obtain corresponding to the time point
First angle identifies to be identified with second angle, calculates the delay of the head-mounted display apparatus；Or identify the preset time
The image that first angle corresponding to multiple discrete time points identifies in cycle and the image of second angle mark, are obtained the multiple
First angle mark identifies with second angle corresponding to discrete time point difference, corresponding by calculating the multiple time point respectively
The head-mounted display apparatus delay average, determine the delay of the head-mounted display apparatus.
Another aspect of the present invention provides a kind of detection means of head-mounted display apparatus delay, including equipment supporter, first
Video camera, the second video camera and Delay computing module, it is characterised in that：The equipment supporter fixes head-mounted display apparatus, with
Default angular speed rotates vertically；The head-mounted display apparatus, the head-mounted display apparatus is detected by sensor
The anglec of rotation；First video camera gathers the image of first angle mark in real time, is set described in the first angle mark sign
The anglec of rotation of standby support；Second video camera gathers the image of second angle mark, the second angle mark mark in real time
Show the anglec of rotation of the head-mounted display apparatus of the sensor detection；The Delay computing module, according to preset time
The image and the image of second angle mark of the first angle mark, determine the head-mounted display apparatus in cycle
Delay.
Preferably, the detection means of the head-mounted display apparatus delay, in addition to：Preset in the equipment supporter axle center
At distance, centered on the axle center of the equipment supporter, first angle mark is arranged circumferentially, indicates the rotation of the equipment supporter
Angle.
Preferably, the detection means of the head-mounted display apparatus delay, in addition to：The screen of the head-mounted display apparatus
Show that second angle identifies in curtain, indicate the head-mounted display apparatus of the sensor detection of the head-mounted display apparatus
The anglec of rotation.
Preferably, the Delay computing module, is additionally operable to：Identify corresponding to sometime being put in the preset time period
The image and the image of second angle mark of the first angle mark, obtain first angle mark corresponding to the time point
Know and identified with second angle, calculate the delay of the head-mounted display apparatus；Or identify multiple in the preset time period
The image that first angle corresponding to discrete time point identifies and the image of second angle mark, obtain the multiple discrete time point
First angle mark identifies with second angle corresponding to respectively, by calculating described corresponding to the multiple time point wear respectively
The delay average of formula display device, determines the delay of the head-mounted display apparatus.
The detection method and device of head-mounted display apparatus of the present invention delay, by by head-mounted display apparatus to be detected
It is fixed on to preset the equipment supporter of angular speed rotation, by the anglec of rotation of camera record equipment supporter, and passes through head
The anglec of rotation that formula display device sensor detects the head-mounted display apparatus is worn, by being worn described in camera record
The anglec of rotation of formula display device, calculate the time delay for determining the head-mounted display apparatus.The embodiment of the present invention is worn
The detection method and device of formula display device delay, detection efficiency and the detection of head-mounted display apparatus delay can be effectively improved
Precision, the delay suitable for wear-type virtual reality device detect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings：
Fig. 1 shows the schematic flow sheet of the detection method of the head-mounted display apparatus delay of first embodiment of the invention；
Fig. 2 shows the structural representation of the detection means of the head-mounted display apparatus delay of second embodiment of the invention；
Fig. 3 shows the schematic diagram of the detection means of the head-mounted display apparatus delay of second embodiment of the invention.
Embodiment
In order to be more clearly understood that objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific embodiment party
Formula is described in further detail to the present invention.It should be noted that in the case where not conflicting, embodiments herein and reality
Applying the feature in example can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, this is only this
Some embodiments of invention, the present invention can also be different from other modes described here to implement using other, therefore, this hair
Bright protection domain is not limited by following public specific embodiment.
Embodiment one
Fig. 1 shows the schematic flow sheet of the detection method of the head-mounted display apparatus delay of first embodiment of the invention.
The detection method of head-mounted display apparatus delay according to embodiments of the present invention, as shown in figure 1, including：Step
S101, head-mounted display apparatus is fixed on equipment supporter, the equipment supporter is rotated vertically with default angular speed；Step
S102, the anglec of rotation of the head-mounted display apparatus is detected by sensor；Step S103, according in preset time period,
The anglec of rotation of the equipment supporter anglec of rotation and the head-mounted display apparatus of sensor detection, determines the head
Wear the delay of formula display device.
The detection method of the head-mounted display apparatus delay of the embodiment of the present invention, head-mounted display apparatus is fixed on pre-
If the equipment supporter of angular speed 360 ° of rotations vertically, equipment supporter drive head-mounted display apparatus with default angular speed along axle
To being rotated, the anglec of rotation that display device detects the head-mounted display apparatus by sensor is worn, when record is default
Between in the cycle, equipment supporter drives the angle for wearing display device rotation and wears what display device was detected by sensor
The anglec of rotation of the head-mounted display apparatus, calculate the delay for determining the head-mounted display apparatus.
In the above-mentioned technical solutions, it is preferable that the step S101, in addition to：Using the axle center of the equipment supporter in
The heart, first angle mark is arranged circumferentially at the pre-determined distance in the equipment supporter axle center, indicates the rotation of the equipment supporter
Angle.Specifically, centered on the axle center of the equipment supporter, one is arranged circumferentially at 1.5 meters of the axle center apart from equipment supporter
Physical angle marker disc, the physical angle marker disc carries out scale marker with preset angle angle value, for example, the physical angle
In marker disc 360 scale markers are distributed with 1 ° for scale interval is even.The angle rotated vertically according to equipment supporter, it is described
Angle value corresponding to sign in physical angle marker disc.
In the above-mentioned technical solutions, it is preferable that the step S102, in addition to：The screen of the head-mounted display apparatus
Middle display second angle mark, indicate the rotation of the head-mounted display apparatus of the sensor detection of the head-mounted display apparatus
Gyration.Specifically, one application program of installation, the application program pass through biosensor cartridge in advance in head-mounted display apparatus
The anglec of rotation of formula display device is worn, and shows that second angle identifies in the screen of head-mounted display apparatus, described second jiao
It can be a digital angle marker disc that scale, which is known, and the digital angle marker disc carries out scale marker with preset angle angle value, for example,
The digital angle marker disc is scale interval 360 scale markers of even distribution with 1 °.Worn according to what sensor detected
The anglec of rotation of formula display device, the angle value corresponding to sign in the digital angle marker disc.Further, worn
Before the detection of formula display device delay, the digital angle marker disc and the sign of the physical angle marker disc are pre-set
Angular values are consistent.
In the above-mentioned technical solutions, it is preferable that the step S103, be specially：Institute is gathered by the first video camera in real time
State the image of first angle mark；Gather the image of the second angle mark in real time by the second video camera；According to it is default when
Between in the cycle first angle mark image and the image of second angle mark, determine the head-mounted display apparatus
Delay.Specifically, the first video camera gathers the image of physical angle marker disc, the IMAQ frame per second of the first video camera in real time
Not less than 120 frames/second.Second video camera docks the eyepiece of head-mounted display apparatus, gathers the figure of digital angle marker disc in real time
Picture.According to the distance of eyes of user and eyepiece in detected head-mounted display apparatus design specification, second shooting is determined
The distance of machine camera lens and the eyepiece of the head-mounted display apparatus, for example, 25mm.The IMAQ frame per second of second video camera is not small
In 120 frames/second.Further, first video camera connects display by Y type beam splitter/combiners with second video camera and set
It is standby, the image and described second for the physical angle marker disc that first video camera gathers in real time is shown in the display device
The image of the digital angle marker disc of camera acquisition.Extract physical angle corresponding to sometime being put in the default time cycle
The image of marker disc and the image of digital angle marker disc, by identifying the angle value a for determining that physical angle marker disc indicates
And the angle value b of digital angle marker disc sign, according to the angular velocity of rotation m degrees seconds of the equipment supporter, pass through following table
The delay for determining the head-mounted display apparatus is calculated up to formula.
(a-b)÷m
In the above-mentioned technical solutions, further, it is described according to the figure that the first angle identifies in preset time period
As and second angle mark image, the step of determining the delay of the head-mounted display apparatus, in addition to：Described in identification
The image that first angle corresponding to multiple discrete time points identifies in preset time period and the image of second angle mark, are obtained
The multiple discrete time point respectively corresponding to first angle mark identified with second angle, during by calculating the multiple respectively
Between point corresponding to the head-mounted display apparatus delay average, determine the delay of the head-mounted display apparatus.Specifically, carry
Take the image and digital angle marker disc of physical angle marker disc corresponding to multiple discrete time points in the default time cycle
Image, pass through and identify and determine each time point T in multiple discrete time pointsiThe angle of corresponding physical angle marker disc sign
Angle value aiAnd the angle value b of digital angle marker disc signi, according to the angular velocity of rotation m degrees seconds of the equipment supporter, pass through
Following formula calculates the head-mounted display apparatus in time point TiDelay, according to the head-mounted display apparatus multiple
The delay average of discrete time point, determines the delay of the head-mounted display apparatus.
(ai-bi)÷m
The detection method of the head-mounted display apparatus delay of the embodiment of the present invention, is set by the way that wear-type to be detected is shown
It is standby to be fixed on to preset the equipment supporter of angular speed rotation, by the anglec of rotation of camera record equipment supporter, and pass through
Head-mounted display apparatus internal sensor detects the anglec of rotation of the head-mounted display apparatus, passes through head described in camera record
The anglec of rotation of formula display device is worn, calculates the time delay for determining the head-mounted display apparatus.The head of the embodiment of the present invention
The detection method of formula display device delay is worn, the detection efficiency and detection essence of head-mounted display apparatus delay can be effectively improved
Degree, the delay suitable for wear-type virtual reality device detect.
Embodiment two
Fig. 2 shows the structural representation of the detection means of the head-mounted display apparatus delay of second embodiment of the invention.
The detection means 100 of head-mounted display apparatus delay according to embodiments of the present invention, as shown in Fig. 2 including：Equipment supporter 101,
First video camera 102, the second video camera 103 and Delay computing module 104, as shown in figure 3, equipment supporter 101 fixes wear-type
Display device, rotated vertically with default angular speed；Head-mounted display apparatus detects the wear-type by sensor and shown
The anglec of rotation of equipment；First video camera 102 gathers the image of first angle mark, the first angle mark sign institute in real time
State the anglec of rotation of equipment supporter 101；Second video camera 103 gathers the image of second angle mark, the second angle in real time
Mark indicates the anglec of rotation of the head-mounted display apparatus of the sensor detection；Delay computing module 104, according to default
The image and the image of second angle mark of the first angle mark, determine that the wear-type is shown in time cycle
The delay of equipment.
The detection means of the head-mounted display apparatus delay of the embodiment of the present invention, equipment supporter fixation wear-type, which is shown, to be set
It is standby, drive head-mounted display apparatus to carry out 360 ° of rotations vertically with default angular speed, wear display device and passed by inside
Sensor detects the anglec of rotation of the head-mounted display apparatus.When recording default respectively by the first video camera and the second video camera
Between in the cycle, equipment supporter drives the angle for wearing display device rotation and wears display device and detected by internal sensor
The anglec of rotation of the head-mounted display apparatus arrived, calculate the delay for determining the head-mounted display apparatus.
In the above-mentioned technical solutions, it is preferable that also include：At the pre-determined distance in the axle center of equipment supporter 101, with described
Centered on the axle center of equipment supporter 101, first angle mark is arranged circumferentially, indicates the anglec of rotation of the equipment supporter 101.Tool
Body, centered on the axle center of the equipment supporter 101, a thing is arranged circumferentially at 1.5 meters of the axle center apart from equipment supporter 101
Angle marker disc is managed, the physical angle marker disc carries out scale marker with preset angle angle value, for example, the physical angle identifies
On disk 360 scale markers are distributed with 1 ° for scale interval is even.The angle rotated vertically according to equipment supporter 101, it is described
Angle value corresponding to sign in physical angle marker disc.
In the above-mentioned technical solutions, it is preferable that also include：Second angle is shown in the screen of the head-mounted display apparatus
Mark, indicate the anglec of rotation of the head-mounted display apparatus of the sensor detection of the head-mounted display apparatus.Specifically,
One application program of installation, the application program wear formula display device by biosensor cartridge in advance in head-mounted display apparatus
The anglec of rotation, and show that second angle identifies in the screen of head-mounted display apparatus, the second angle mark can be one
Digital angle marker disc, the digital angle marker disc carries out scale marker with preset angle angle value, for example, the digital angle mark
It is scale interval 360 scale markers of even distribution to know disk with 1 °.The wear-type that the application program detects according to sensor
The anglec of rotation of display device, the angle value corresponding to sign in the digital angle marker disc.Further, wear-type is carried out
Before the detection of display device delay, the angle of the digital angle marker disc and the sign of the physical angle marker disc is pre-set
Number of degrees value is consistent.
In the above-mentioned technical solutions, it is preferable that the first video camera 102 gathers the image of the first angle mark in real time；
Gather the image of the second angle mark in real time by the second video camera 103；According to described first jiao in preset time period
The image that scale is known and the image of second angle mark, determine the delay of the head-mounted display apparatus.Specifically, first
Video camera 102 gathers the image of physical angle marker disc in real time, the IMAQ frame per second of the first video camera 102 not less than 120 frames/
Second.Second video camera 103 docks the eyepiece of head-mounted display apparatus, gathers the image of digital angle marker disc in real time.According to quilt
The distance of eyes of user and eyepiece in the head-mounted display apparatus design specification of detection, determine the camera lens of the second video camera 103
With the distance of the eyepiece of the head-mounted display apparatus, for example, 25mm.The IMAQ frame per second of second video camera 103 is not less than
120 frames/second.Further, first video camera 102 is connected aobvious with second video camera 103 by Y type beam splitter/combiners
Show equipment, shown in the display device physical angle marker disc that first video camera 102 gathers in real time image and
The image for the digital angle marker disc that second video camera 103 gathers.Extract in the default time cycle sometime point pair
The image for the physical angle marker disc answered and the image of digital angle marker disc, physical angle marker disc mark is determined by identifying
The angle value b for angle value a and digital angle the marker disc sign shown, according to the angular velocity of rotation m of the equipment supporter 101
Degrees second, the delay for determining the head-mounted display apparatus is calculated by following formula.
(a-b)÷m
In the above-mentioned technical solutions, it is preferable that the Delay computing module 104, be additionally operable to：Identify the preset time week
The image for image and the second angle mark that first angle corresponding to multiple discrete time points identifies in phase, obtain it is the multiple from
Dissipate first angle mark corresponding to time point difference to identify with second angle, by calculating respectively corresponding to the multiple time point
The delay average of the head-mounted display apparatus, determines the delay of the head-mounted display apparatus.Specifically, when extracting default
Between the image of physical angle marker disc and the image of digital angle marker disc corresponding to multiple discrete time points in the cycle, pass through
Identification determines each time point T in multiple discrete time pointsiThe angle value a of corresponding physical angle marker disc signiAnd number
The angle value b of word angle marker disc signi, according to the angular velocity of rotation m degrees seconds of the equipment supporter, pass through following formula
The head-mounted display apparatus is calculated in time point TiDelay, according to the head-mounted display apparatus in multiple discrete time points
Delay average, determine the delay of the head-mounted display apparatus.
(ai-bi)÷m
The detection means of the head-mounted display apparatus delay of the embodiment of the present invention, is set by the way that wear-type to be detected is shown
It is standby to be fixed on to preset the equipment supporter of angular speed rotation, by the anglec of rotation of camera record equipment supporter, and pass through
Head-mounted display apparatus internal sensor detects the anglec of rotation of the head-mounted display apparatus, passes through head described in camera record
The anglec of rotation of formula display device is worn, calculates the time delay for determining the head-mounted display apparatus.The head of the embodiment of the present invention
The detection means of formula display device delay is worn, the detection efficiency and detection essence of head-mounted display apparatus delay can be effectively improved
Degree, the delay suitable for wear-type virtual reality device detect.
State again, all features disclosed in this specification, or disclosed all methods or during the step of, except
Beyond mutually exclusive feature and/or step, it can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
The invention is not limited in foregoing embodiment.The present invention can expand to any to drape over one's shoulders in this manual
The new feature of dew or any new combination, and disclose any new method or process the step of or any new combination.
Claims (9)
1. a kind of detection method of head-mounted display apparatus delay, it is characterised in that comprise the following steps：
Head-mounted display apparatus is fixed on equipment supporter, the equipment supporter is rotated vertically with default angular speed；
The anglec of rotation of the head-mounted display apparatus is detected by sensor；
Set according in preset time period, the wear-type of the equipment supporter anglec of rotation and sensor detection is shown
The standby anglec of rotation, determine the delay of the head-mounted display apparatus.
2. the detection method of head-mounted display apparatus delay according to claim 1, it is characterised in that described by wear-type
The step of display device is fixed on equipment supporter, and the equipment supporter is rotated vertically with default angular speed, in addition to：
Centered on the axle center of the equipment supporter, first angle is arranged circumferentially at the pre-determined distance in the equipment supporter axle center
Mark, indicate the anglec of rotation of the equipment supporter.
3. the detection method of head-mounted display apparatus delay according to claim 2, it is characterised in that described to pass through sensing
Device detects the step of anglec of rotation of the head-mounted display apparatus, in addition to：
Show that second angle identifies in the screen of the head-mounted display apparatus, indicate the sensor of the head-mounted display apparatus
The anglec of rotation of the head-mounted display apparatus of detection.
4. the detection method of head-mounted display apparatus delay according to claim 3, it is characterised in that the basis is preset
In time cycle, the anglec of rotation of the head-mounted display apparatus of the equipment supporter anglec of rotation and sensor detection
Degree, the step of determining the delay of the head-mounted display apparatus, it is specially：
Gather the image of the first angle mark in real time by the first video camera；
Gather the image of the second angle mark in real time by the second video camera；
The image identified according to the image that the first angle identifies in preset time period with the second angle, it is determined that described
The delay of head-mounted display apparatus.
5. the detection method of head-mounted display apparatus delay according to claim 4, it is characterised in that the basis is preset
The image and the image of second angle mark of the first angle mark, determine that the wear-type is shown and set in time cycle
The step of standby delay, it is specially：
Identify the image and described second jiao that sometime the first angle corresponding to point identifies in the preset time period
The image that scale is known, obtain first angle mark corresponding to the time point and identified with second angle, calculate the wear-type and show
Show the delay of equipment；Or
Identify the image and second angle mark that first angle corresponding to multiple discrete time points identifies in the preset time period
The image of knowledge, first angle mark corresponding to the multiple discrete time point difference and second angle mark are obtained, passes through difference
The delay average of the head-mounted display apparatus corresponding to the multiple time point is calculated, determines the head-mounted display apparatus
Delay.
6. a kind of detection means of head-mounted display apparatus delay, including：Equipment supporter, the first video camera, the second video camera and
Delay computing module, it is characterised in that：
The equipment supporter fixes head-mounted display apparatus, is rotated vertically with default angular speed；
The head-mounted display apparatus, the anglec of rotation of the head-mounted display apparatus is detected by sensor；
First video camera gathers the image of first angle mark in real time, and the first angle mark indicates the equipment supporter
The anglec of rotation；
Second video camera gathers the image of second angle mark in real time, and the second angle mark indicates the sensor inspection
The anglec of rotation for the head-mounted display apparatus surveyed；
The Delay computing module, according to the image that the first angle identifies in preset time period and the second angle mark
The image of knowledge, determine the delay of the head-mounted display apparatus.
7. the detection means of head-mounted display apparatus delay according to claim 6, it is characterised in that also include：
At the pre-determined distance in the equipment supporter axle center, centered on the axle center of the equipment supporter, first angle is arranged circumferentially
Mark, indicate the anglec of rotation of the equipment supporter.
8. the detection means of head-mounted display apparatus delay according to claim 7, it is characterised in that also include：
Show that second angle identifies in the screen of the head-mounted display apparatus, indicate the sensor of the head-mounted display apparatus
The anglec of rotation of the head-mounted display apparatus of detection.
9. the detection means of head-mounted display apparatus delay according to claim 8, it is characterised in that the Delay computing
Module, it is additionally operable to：
Identify the image and described second jiao that sometime the first angle corresponding to point identifies in the preset time period
The image that scale is known, obtain first angle mark corresponding to the time point and identified with second angle, calculate the wear-type and show
Show the delay of equipment；Or
Identify the image and second angle mark that first angle corresponding to multiple discrete time points identifies in the preset time period
The image of knowledge, first angle mark corresponding to the multiple discrete time point difference and second angle mark are obtained, passes through difference
The delay average of the head-mounted display apparatus corresponding to the multiple time point is calculated, determines the head-mounted display apparatus
Delay.
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| CN201610639951.2A CN107687932B (en) | 2016-08-05 | 2016-08-05 | Method and device for detecting delay of head-mounted display equipment |
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| CN201610639951.2A CN107687932B (en) | 2016-08-05 | 2016-08-05 | Method and device for detecting delay of head-mounted display equipment |
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| CN107687932B CN107687932B (en) | 2020-08-04 |
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| CN109060308A (en) * | 2018-06-04 | 2018-12-21 | 北京理工大学 | Time delay measurement device and method for image fusion system |
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| CN109696191A (en) * | 2018-12-29 | 2019-04-30 | 北京理工大学 | A kind of virtual reality wears the mobile delay measuring method of display equipment |
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| CN114223193A (en) * | 2019-07-10 | 2022-03-22 | 法国甫托尼公司 | Digital night vision device with adjustable image acquisition speed |
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