CN108632598A - Reduce the method and device of VR equipment MTP delays - Google Patents
Reduce the method and device of VR equipment MTP delays Download PDFInfo
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- CN108632598A CN108632598A CN201810517897.3A CN201810517897A CN108632598A CN 108632598 A CN108632598 A CN 108632598A CN 201810517897 A CN201810517897 A CN 201810517897A CN 108632598 A CN108632598 A CN 108632598A
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- screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/026—Control of mixing and/or overlay of colours in general
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2354/00—Aspects of interface with display user
Abstract
This application discloses a kind of method and devices of reduction VR equipment MTP delays.Wherein method includes：Left eye is obtained respectively shows that the refresh time of screen and right eye show the refresh time of screen；The left eye is shown that refresh time and the right eye of screen show that the refresh time of screen is staggered half of display screen refresh interval；The left eye after being staggered according to refresh time shows that the refresh time of screen shows that the refresh time of screen carries out rendering to picture and shows with the right eye.Achieve the purpose that so that the variable quantity that human eye receives the unit interval of picture doubles, to realize the technique effect for the method for reducing the MTP delays of VR equipment, and then solve due to the technical issues of can not effectively reducing MTP delays caused by related hardware technology restriction.
Description
Technical field
This application involves VR display technology fields, in particular to a kind of method and dress of reduction VR equipment MTP delays
It sets.
Background technology
Head-mounted display apparatus is a kind of equipment being mainly used in virtual reality applications scene, wearer can be made in void
Possess illusion on the spot in person in quasi- scene, in addition can not distinguish it is virtual with it is real.
It is exactly MTP (Motion To influence the very important factor of one of head-mounted display apparatus feeling of immersion
Photon), in particular to since the movement on head, until aitionastic picture by human eye see in total needed for time,
This time is shorter, and the feeling of immersion of equipment is better, and the time is longer, and the spinning sensation of user is stronger；Current wear-type, which is shown, to be set
In standby software and hardware scheme, MTP is mainly made of the following aspects：
1. the acquisition of head movement data,
2. gathered data is transferred to host,
3. Framework computing goes out head athletic posture,
4. game obtains head movement posture,
5. the head pose rendered picture played according to acquisition,
6.gpu shows the picture transmission rendered to display screen.
So to obtain relatively low MTP, need relatively high exercise data acquisition frequency, high performance host (cpu and
Gpu), the display screen of high refresh rate and relevant software algorithm optimization (such as ATW)；The refresh rate of wherein display screen occupies
Prodigious proportion；The refresh rate of display screen determines that the unit interval can see the variation of how many picture, such as 90HZ for human eye,
Show that the human eye picture per second that can see the variation of 90 frames, more high refresh rate can allow human eye time in unit to be seen more
Change picture, the change interval time of corresponding picture is also shorter, and final MTP is with regard to smaller.
But limited by relevant industries development, the refresh rate short time of display screen also is difficult to be increased to one very high
Degree, and in the case where display screen refresh rate is certain, there are no other methods to improve the variation that unit interval human eye receives at present
Picture.
Invention content
The main purpose of the application is to provide a kind of method and device of reduction VR equipment MTP delays, to solve correlation
In technology MTP too high influence display effect the problem of.
To achieve the goals above, according to the one side of the application, a kind of side of reduction VR equipment MTP delays is provided
Method, including：
Left eye is obtained respectively shows that the refresh time of screen and right eye show the refresh time of screen；
The left eye is shown that refresh time and the right eye of screen show that the refresh time of screen is staggered half of display
Screen-refresh time interval；
The left eye after being staggered according to refresh time shows that the refresh time of screen shows screen with the right eye
Refresh time carries out rendering to picture and shows.
Further, the method for reducing VR equipment MTP delay as the aforementioned, it is described be staggered according to refresh time after institute
It states left eye and shows that the refresh time of screen shows that the refresh time of screen carries out rendering to picture and shows with the right eye, including：
Obtain display picture；
Show that the duration of screen refresh interval renders the picture every half；
The display picture after rendering is exported to the left eye and shows that screen and the right eye show that screen is shown
Show.
Further, the method for reducing the MTP delays of VR equipment as the aforementioned, it is described that the display picture after rendering is defeated
Go out to the left eye and shows that screen and the right eye show screen, including：
The alternate transport frame by frame of display picture after the rendering to the left eye is shown that screen and the right eye are shown
Screen.
Further, the method for reducing the MTP delays of VR equipment as the aforementioned, the brush for obtaining left eye respectively and showing screen
New time and right eye show the refresh time of screen, including：
Under same time zero, the time and the right eye that the left eye shows that the first time of screen is refreshed are determined
The refresh time that the first time of display screen is refreshed；
Show that the time that the first time of screen is refreshed determines that the left eye shows the refreshing of screen according to the left eye
Time；
Show that the time that the first time of screen is refreshed determines that the right eye shows the refreshing of screen according to the right eye
Time.
Further, the method for reducing the MTP delays of VR equipment as the aforementioned, the refreshing that the left eye is shown to screen
Time shows that the refresh time of screen is staggered before half of display screen refresh interval with the right eye, further includes：
Determine the display screen refresh interval that the left eye shows screen and right eye shows screen；
The left eye is shown that screen shows that the display screen refresh interval of screen is set as consistent with right eye.
The present invention also provides a kind of devices of reduction VR equipment MTP delays, including：
Refresh time obtaining unit shows that the refresh time of screen and right eye show the brush of screen for obtaining left eye respectively
The new time；
Refresh time is staggered unit, for the left eye to be shown to, the refresh time of screen shows screen with the right eye
Refresh time is staggered half of display screen refresh interval；
Display unit shows the refresh time of screen and the right side for the left eye after being staggered according to refresh time
Eye shows that the refresh time of screen carries out rendering to picture and shows.
Further, the device that reduction VR equipment MTP is delayed as the aforementioned, the display unit, including：
Picture obtains module, for obtaining display picture；
Rendering module, for showing that the duration of screen refresh interval renders the picture every half；
Output module shows that screen and the right eye are shown for exporting the display picture after rendering to the left eye
Display screen curtain is shown.
Further, the device of VR equipment MTP delays is reduced as the aforementioned, and the output module is specifically used for：
The alternate transport frame by frame of display picture after the rendering to the left eye is shown that screen and the right eye are shown
Screen.
Further, the device that reduction VR equipment MTP is delayed as the aforementioned, the refresh time obtaining unit, including：
First time refresh time determining module determines that the left eye shows the of screen under same time zero
The refresh time that the primary time refreshed and the first time of right eye display screen are refreshed；
Left eye screen-refresh time determining module, for according to the left eye show screen first time refreshed when
Between determine that the left eye shows the refresh time of screen；
Right eye screen-refresh time determining module, for according to the right eye show screen first time refreshed when
Between determine that the right eye shows the refresh time of screen.
Further, the device that VR equipment MTP is delayed is reduced as the aforementioned, further includes：Refresh interval setting unit；
The refresh interval setting unit includes：
Refresh interval obtains module, for determining that the left eye shows the display screen of screen and right eye display screen
Refresh interval；
Refresh interval unified modules, for the left eye to be shown that screen and right eye show the display screen brush of screen
New time interval is set as consistent.
In the embodiment of the present application, aobvious by obtaining left eye respectively by the way of the right and left eyes screen-refresh time that is staggered
The refresh time and right eye of display screen curtain show the refresh time of screen；The left eye is shown into the refresh time of screen and the right side
Eye shows that the refresh time of screen is staggered half of display screen refresh interval；The left side after being staggered according to refresh time
Eye shows that the refresh time of screen shows that the refresh time of screen carries out rendering to picture and shows with the right eye.Reach and has made
Human eye receives the purpose that the variable quantity of the unit interval of picture doubles, to realize the side for reducing the MTP delays of VR equipment
The technique effect of method, and then solve and asked due to can not effectively reduce the technology of MTP delays caused by related hardware technology restriction
Topic.
Description of the drawings
The attached drawing constituted part of this application is used for providing further understanding of the present application so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the method flow schematic diagram of an embodiment of the present invention；
Fig. 2 is the apparatus structure schematic diagram of an embodiment of the present invention；
Fig. 3 is the schematic diagram that right and left eyes see picture in right and left eyes screen-refresh time consistency；
Fig. 4 is the signal that right and left eyes see picture in right and left eyes screen-refresh half of refresh interval of time phase difference
Figure；And
It is left when Fig. 5 is after right and left eyes screen-refresh half of refresh interval of time phase difference and after being rendered to picture
Right eye sees the schematic diagram of picture.
Specific implementation mode
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model of the application protection
It encloses.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include without clear
It is listing to Chu or for these processes, method, product or equipment intrinsic other steps or unit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, the application provides a kind of method of reduction VR equipment MTP delays, this method includes following step
S1 to step S3：
S1. left eye is obtained respectively shows that the refresh time of screen and right eye show the refresh time of screen；
S2., the left eye being shown to, the refresh time of screen and the right eye show that the refresh time of screen is staggered half and show
Display screen curtain refresh interval；
S3. the left eye after being staggered according to refresh time shows that the refresh time of screen shows screen with the right eye
Refresh time rendering carried out to picture show.
Since in virtual reality head-mounted display apparatus, the left eye and right eye of people are to be respectively received subtle different picture
Face, then stereoscopic picture plane is experienced by the synthesis of brain, so the variation for the picture that human eye receives is by left eye and right eye
Caused by the variation for the picture being respectively seen, as shown in Figure 3.
It is according to method shown in Fig. 1 of the present invention, the transformation period point of the transformation period point of left eye picture and right eye picture is wrong
Open half of display screen refresh interval (i.e. left eye and right eye picture are not to refresh display simultaneously), it will have and shown at every half
There are one the pictures of eyes to change for meeting in display screen curtain refresh interval, as shown in Figure 4.
The picture varied number per unit time of the brain synthesis of people in this way will be before 2 times, and pass through offer
The picture that even a independent display screen is respectively used to right and left eyes is shown, can control the refresh time offset of two display screens.
In some embodiments, the method for reducing the MTP delays of VR equipment as the aforementioned, it is described that it is staggered according to refresh time
The left eye afterwards shows that the refresh time of screen shows that the refresh time of screen carries out rendering to picture and shows with the right eye,
Including：
Obtain display picture；
Show that the duration of screen refresh interval renders the picture every half；
The display picture after rendering is exported to the left eye and shows that screen and the right eye show that screen is shown
Show.
Specifically, as shown in figure 5, after the picture of right and left eyes shows and is staggered in time, right and left eyes picture in game
Rendering is also required to be staggered in time, and the picture of an eyes is rendered in the time of each field, and right and left eyes alternately render；The left side and
The picture display of right eye corresponds.Thus, frame number and the screen refresh rate of the picture of rendering are consistent, and can be effectively ensured
The stabilization of image quality is not in waste frame number or the unstable situation of picture.
In some embodiments, the method for reducing the MTP delays of VR equipment as the aforementioned, the display by after rendering
Picture exports to the left eye and shows that screen and the right eye show screen, including：
The alternate transport frame by frame of display picture after the rendering to the left eye is shown that screen and the right eye are shown
Screen.Thus show that screen and the right eye show screen compared to by every frame picture all simultaneous transmission to left eyes, due to
Frame number per second is more than refresh rate, if therefore if being shown all on each display screen per frame image, every single display screen curtain
The case where will appear the problem of frame number of some will not be presented on the display screen, that is, having waste frame.Using this
Method can effectively overcome the problems, such as this.
In some embodiments, the method for reducing the MTP delays of VR equipment as the aforementioned, it is described to obtain left eye display screen respectively
The refresh time and right eye of curtain show the refresh time of screen, including：
Under same time zero, the time and the right eye that the left eye shows that the first time of screen is refreshed are determined
The refresh time that the first time of display screen is refreshed；
Show that the time that the first time of screen is refreshed determines that the left eye shows the refreshing of screen according to the left eye
Time；
Show that the time that the first time of screen is refreshed determines that the right eye shows the refreshing of screen according to the right eye
Time.
In some embodiments, the method for reducing the MTP delays of VR equipment as the aforementioned, it is described that the left eye is shown into screen
Refresh time and the right eye show that the refresh time of screen is staggered before half of display screen refresh interval, also wrap
It includes：
Determine the display screen refresh interval that the left eye shows screen and right eye shows screen；
The left eye is shown that screen shows that the display screen refresh interval of screen is set as consistent with right eye.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
According to embodiments of the present invention, a kind of device for implementing above-mentioned reduction VR equipment MTP time-delay methods is additionally provided,
As shown in Fig. 2, the device includes：
Refresh time obtaining unit 1 shows that the refresh time of screen and right eye show screen for obtaining left eye respectively
Refresh time；
Refresh time is staggered unit 2, for the left eye to be shown to, the refresh time of screen shows screen with the right eye
Refresh time be staggered half of display screen refresh interval；
Display unit 3, for after being staggered according to refresh time the left eye show screen refresh time with it is described
Right eye shows that the refresh time of screen carries out rendering to picture and shows.
In some embodiments, the device that reduction VR equipment MTP is delayed as the aforementioned, the display unit, including：
Picture obtains module, for obtaining display picture；
Rendering module, for showing that the duration of screen refresh interval renders the picture every half；
Output module shows that screen and the right eye are shown for exporting the display picture after rendering to the left eye
Display screen curtain is shown.
In some embodiments, the device of VR equipment MTP delays is reduced as the aforementioned, and the output module is specifically used for：
The alternate transport frame by frame of display picture after the rendering to the left eye is shown that screen and the right eye are shown
Screen.
In some embodiments, the device that reduction VR equipment MTP is delayed as the aforementioned, the refresh time obtaining unit,
Including：
First time refresh time determining module determines that the left eye shows the of screen under same time zero
The refresh time that the primary time refreshed and the first time of right eye display screen are refreshed；
Left eye screen-refresh time determining module, for according to the left eye show screen first time refreshed when
Between determine that the left eye shows the refresh time of screen；
Right eye screen-refresh time determining module, for according to the right eye show screen first time refreshed when
Between determine that the right eye shows the refresh time of screen.
In some embodiments, the device that VR equipment MTP is delayed is reduced as the aforementioned, further includes：Refresh interval is set
Set unit；The refresh interval setting unit includes：
Refresh interval obtains module, for determining that the left eye shows the display screen of screen and right eye display screen
Refresh interval；
Refresh interval unified modules, for the left eye to be shown that screen and right eye show the display screen brush of screen
New time interval is set as consistent.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, either they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of method reducing the MTP delays of VR equipment, which is characterized in that including：
Left eye is obtained respectively shows that the refresh time of screen and right eye show the refresh time of screen；
The left eye is shown that refresh time and the right eye of screen show that the refresh time of screen is staggered half of display screen
Refresh interval；
The left eye after being staggered according to refresh time shows that the refresh time of screen shows the refreshing of screen with the right eye
Time carries out rendering to picture and shows.
2. the method according to claim 1 for reducing the MTP delays of VR equipment, which is characterized in that described according to refresh time
The left eye after being staggered shows that the refresh time of screen shows that the refresh time of screen carries out wash with watercolours to picture with the right eye
Dye display, including：
Obtain display picture；
Show that the duration of screen refresh interval renders the picture every half；
The display picture after rendering is exported to the left eye and shows that screen and the right eye show that screen is shown.
3. the method according to claim 2 for reducing the MTP delays of VR equipment, which is characterized in that the institute by after rendering
Display picture is stated to export to left eye display screen and right eye display screen, including：
Alternate transport frame by frame to the left eye of display picture after the rendering is shown that screen and the right eye show screen.
4. the method according to claim 1 for reducing the MTP delays of VR equipment, which is characterized in that described to obtain left eye respectively
Show the refresh time of screen and the refresh time of right eye display screen, including：
Under same time zero, determine that the time that the left eye shows that the first time of screen is refreshed shows with the right eye
The refresh time that the first time of screen is refreshed；
Show that the time that the first time of screen is refreshed determines that the left eye shows the refresh time of screen according to the left eye；
Show that the time that the first time of screen is refreshed determines that the right eye shows the refresh time of screen according to the right eye.
5. the method according to claim 1 for reducing the MTP delays of VR equipment, which is characterized in that described to show the left eye
The refresh time of display screen curtain shows that the refresh time of screen is staggered before half of display screen refresh interval with the right eye,
Further include：
Determine the display screen refresh interval that the left eye shows screen and right eye shows screen；
The left eye is shown that screen shows that the display screen refresh interval of screen is set as consistent with right eye.
6. a kind of device reducing the MTP delays of VR equipment, which is characterized in that including：
Refresh time obtaining unit, when showing that the refresh time of screen and right eye show the refreshing of screen for obtaining left eye respectively
Between；
Refresh time is staggered unit, and the refreshing of screen is shown for the left eye to be shown to the refresh time of screen with the right eye
Time is staggered half of display screen refresh interval；
Display unit shows that the refresh time of screen and the right eye are aobvious for the left eye after being staggered according to refresh time
The refresh time of display screen curtain carries out rendering to picture and shows.
7. the device according to claim 6 for reducing the MTP delays of VR equipment, which is characterized in that the display unit, packet
It includes：
Picture obtains module, for obtaining display picture；
Rendering module, for showing that the duration of screen refresh interval renders the picture every half；
Output module shows screen and the right eye display screen for exporting the display picture after rendering to the left eye
Curtain is shown.
8. the device according to claim 7 for reducing the MTP delays of VR equipment, which is characterized in that the output module is specific
For：
Alternate transport frame by frame to the left eye of display picture after the rendering is shown that screen and the right eye show screen.
9. the device according to claim 6 for reducing the MTP delays of VR equipment, which is characterized in that the refresh time obtains
Unit, including：
First time refresh time determining module, under same time zero, determining that the left eye shows the first time of screen
The refresh time that the time refreshed and the first time of right eye display screen are refreshed；
Left eye screen-refresh time determining module, for showing that the time that the first time of screen is refreshed is true according to the left eye
The fixed left eye shows the refresh time of screen；
Right eye screen-refresh time determining module, for showing that the time that the first time of screen is refreshed is true according to the right eye
The fixed right eye shows the refresh time of screen.
10. the device according to claim 6 for reducing the MTP delays of VR equipment, which is characterized in that further include：Refresh time
It is spaced setting unit；The refresh interval setting unit includes：
Refresh interval obtains module, for determining that the left eye shows the display screen-refresh of screen and right eye display screen
Time interval；
Refresh interval unified modules, when for the left eye to be shown that screen and right eye show the display screen-refresh of screen
Between interval be set as consistent.
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| CN110969706B (en) * | 2019-12-02 | 2023-10-10 | Oppo广东移动通信有限公司 | Augmented reality device, image processing method, system and storage medium thereof |
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