CN106406501A - Method and device for controlling rendering - Google Patents
Method and device for controlling rendering Download PDFInfo
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- CN106406501A CN106406501A CN201610877592.4A CN201610877592A CN106406501A CN 106406501 A CN106406501 A CN 106406501A CN 201610877592 A CN201610877592 A CN 201610877592A CN 106406501 A CN106406501 A CN 106406501A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
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Abstract
The embodiment of the invention discloses a method and a device for controlling rendering, and is applied to virtual reality equipment. The calculated amount of final rendering can be effectively reduced, and the power consumption of the virtual reality equipment is reduced. The method disclosed by the embodiment of the invention comprises the following steps: when a virtual scene picture is rendered by the virtual reality equipment and the rendered picture is exhibited for a user, detecting the eye state of the user; and if the eye state indicates that the user is at a closed-eye state, suspending the rendering for the virtual scene picture by the virtual reality equipment.
Description
Technical field
The present invention relates to technical field of virtual reality, method and device that more particularly, to a kind of control renders.
Background technology
Virtual reality (Virtual Reality, VR) is to produce the virtual world of a three-dimensional environment using computer simulation,
There is provided user with regard to the simulation of the sense organs such as vision, audition, tactile, allow user as being personally on the scene usually three degree of rings of observation
Domestic things.Virtual reality technology is the synthesis of multiple technologies, including real-time three-dimensional computer graphics techniques, Display Technique,
Tracking technique to user head, eye and handss, and tactile, power feels feedback, stereo, network transmission, phonetic entry output skill
Art etc..In virtual reality technology, when user carries out position movement, computer can carry out the computing of complexity immediately, by essence
Generation telepresenc passed back by true 3D world image.I.e. virtual reality technology is integrated with computer graphics techniques, Computer Simulation skill
The later development of the technology such as art, artificial intelligence, sensing technology, Display Technique, network parallel process, is a kind of by computer
The high-tech analog systemss that technology auxiliary generates.
In the prior art, with the development of virtual reality technology, user for the validity of virtual scene picture, and
The requirement also more and more higher of the immersion sense of user, and in order to lift the validity of virtual scene picture and the immersion sense of user
It is subject to, always virtual scene picture can be carried out with real-time rendering, but virtual scene picture is carried out with the amount of calculation mistake of real-time rendering
Greatly, thus the power consumption of virtual reality device is higher.
Content of the invention
Embodiments provide method and the device that a kind of control renders, final rendering can be effectively reduced
Amount of calculation, reduces the power consumption of virtual reality device.
In view of this, embodiment of the present invention first aspect provides a kind of method that control renders, and is applied to virtual reality
Equipment, including：
When virtual scene picture being rendered when virtual reality device and showing rendered picture to user, detect described use
The eye state at family；
If user described in described eye state instruction is in closed-eye state, described virtual reality device suspends to described void
Intend scenic picture to be rendered.
In a kind of possible realization, the method that this control renders also includes：
If user described in described eye state instruction is in eyes-open state, described virtual reality device continues to described void
Intend scenic picture to be rendered.
In one kind can enable, after described virtual reality device time-out renders to described virtual scene picture,
Also include：
Detection suspends whether the duration value that described virtual scene picture is rendered is more than given threshold, if it is,
Described virtual reality device continues described virtual scene picture is rendered.
In a kind of possible realization, described given threshold is blinked when institute according to described user by described virtual reality device
The eye-closing period of statistics determines.
In a kind of possible realization, if user described in described eye state instruction is in eyes-open state, described virtual
Real world devices continue described virtual scene picture is rendered, including：
Described virtual reality device determines the region of described user vision focusing in described virtual scene picture；
Described virtual reality device renders to the region of vision focusing in described virtual scene picture.
Embodiment of the present invention second aspect provides the device that a kind of control renders, and is applied to virtual reality device, this control
Make the device rendering to include：
Detection module, for being rendered to virtual scene picture and to user's displaying rendered picture when virtual reality device
When, detect the eye state of described user；
Rendering module, if the user described in described eye state instruction for the detection of described detection module is in eye closing shape
State, then suspend and described virtual scene picture rendered.
In a kind of possible realization, for described detection module, described rendering module, if detect that described eye state refers to
Show that described user is in eyes-open state, then continue described virtual scene picture is rendered.
In a kind of possible realization, described virtual reality device suspends and described virtual scene picture is carried out rendering it
Afterwards, described detection module is additionally operable to：
Detect that whether described rendering module suspends the duration value that described virtual scene picture is rendered more than setting threshold
Value；
Described rendering module, if described duration value is detected for described detection module to be more than described given threshold,
Continue described virtual scene picture is rendered.
In a kind of possible realization, described given threshold is blinked when institute according to described user by described virtual reality device
The eye-closing period of statistics determines.
In a kind of possible realization, described rendering module includes：
Determining unit, if detect user described in described eye state instruction for described detection module to be in eyes-open state
When, determine the region of described user vision focusing in described virtual scene picture；
Rendering unit, the region for focusing to vision in described virtual scene picture renders.
The embodiment of the present invention third aspect provides a kind of computer-readable storage medium, is stored with this computer-readable storage medium
Program code, this program code is used for instruction and executes the method in above-mentioned first aspect.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：When virtual reality device is to virtual
Scenic picture rendered and to user show rendered picture when, detect described user eye state；If described eye state
Indicate that described user is in closed-eye state, then described virtual reality device suspends and described virtual scene picture is rendered.I.e.
When user closes one's eyes, virtual reality device does not render to described virtual scene picture, compared with prior art, Ke Yiyou
Effect ground reduces the amount of calculation of final rendering, reduces the power consumption of virtual reality device.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those skilled in the art, on the premise of not paying creative work, can also be obtained other attached according to these accompanying drawings
Figure.
One embodiment schematic flow sheet of method that Fig. 1 renders for a kind of control of the embodiment of the present invention；
One example structure schematic diagram of device that Fig. 2 renders for a kind of control of the embodiment of the present invention；
Another example structure schematic diagram of device that Fig. 3 renders for a kind of control of the embodiment of the present invention.
Specific embodiment
Embodiments provide method and the device that a kind of control renders, final rendering can be effectively reduced
Amount of calculation, reduces the power consumption of virtual reality device.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other enforcement that those skilled in the art are obtained under the premise of not making creative work
Example, broadly falls into the scope of protection of the invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd ", "
Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage
The data that solution so uses can be exchanged, in the appropriate case so that the embodiments described herein can be with except illustrating here
Or the order enforcement beyond the content of description.Additionally, term " comprising " and " having " and their any deformation it is intended that
Cover non-exclusive comprising, for example, contain series of steps or process, method, system, product or the equipment of unit need not limit
In those steps clearly listed or unit, but may include clearly not listing or for these processes, method, product
Product or the intrinsic other steps of equipment or unit.
The embodiment of the present invention is applied in virtual reality device, for the ease of understanding and narration, first real to the present invention below
The virtual reality device applying example application does a simple description：
Virtual reality device applied in the embodiment of the present invention refers to virtual reality head-mounted display apparatus, and abbreviation VR
Head is aobvious, and in general, VR head is aobvious to be divided three classes：Circumscribed head shows, integral type head shows and mobile phone box head shows, wherein, mobile phone
The aobvious VR head referring to using mobile phone as display of box head shows (also known as VR glasses).Those skilled in the art are it is recognised that one
As for, complete virtual reality device comprises virtual environment, the virtual environment with high-performance computer as core is processed
Device, vision display system, audition tracing system, based on the body dimension appearance of azimuth tracker, data glove data clothing
State tracking system, and the functional unit such as the sense of taste, olfactory sensation, tactile and force feedback system or module.
It should be noted that the above-mentioned description to virtual reality device, not to the virtual reality in the embodiment of the present invention
Equipment constitutes restriction, can include more functions or module, specifically not limit herein.
Described from aforementioned background art, in the prior art, with the development of virtual reality technology, user is for void
Intend the validity of scenic picture, and the requirement also more and more higher of the immersion sense of user, and in order to lift virtual scene picture
The immersion impression of validity and user, can carry out real-time rendering to virtual scene picture always, but constantly carry out in real time
The amount of calculation rendering is excessive, and the power dissipation ratio of virtual reality device is larger, therefore embodiments provides a kind of control and renders
Method and device, can be effectively reduced the amount of calculation of virtual reality device final rendering, reduce virtual reality device
Power consumption.The embodiment of the present invention will be described in detail below.
Refer to Fig. 1, an embodiment schematic flow sheet of the method that Fig. 1 renders for a kind of control of the embodiment of the present invention,
It is applied to virtual reality device, the method includes：
101st, when virtual reality device is rendered to virtual scene picture and shows rendered picture to user, detect institute
State the eye state of user.
It should be understood that in virtual reality technology, vision a kind of true to nature that virtual environment refers to generate, audition, power feel tactile
Etc. the three-dimensional virtual environment of sensation, make user's " immersing " in this virtual environment by various external sense equipment, realize user
Naturally interacted with virtual environment.Wherein, in embodiments of the present invention, in order to obtain visual effect true to nature, virtual existing
The virtual scene picture that real equipment to the virtual environment that will show, can will present to user is rendered, and works as virtual reality
When equipment is rendered and shown rendered picture to virtual scene picture, that is, when showing the virtual scene picture after rendering, virtual
Real world devices detect the eye state of described user.
Wherein, the eye state of user refers to the eyes nictation situation of user, and in general, eye state includes eye closing shape
State, eyes-open state.
If user described in 102 described eye state instructions is in closed-eye state, described virtual reality device suspends to institute
State virtual scene picture to be rendered.
In embodiments of the present invention, if user is detected to be in closed-eye state, virtual reality device suspends to described void
Intend scenic picture to be rendered.
I.e. in embodiments of the present invention, shown wash with watercolours when virtual reality device renders to virtual scene picture and to user
During dye picture, virtual reality device detects the eye state of described user, if user described in described eye state instruction is in closing
Eye state, then described virtual reality device suspend and described virtual scene picture rendered.I.e. when user closes one's eyes, virtual existing
Real equipment does not carry out real-time rendering to described virtual scene picture, compared with prior art, can be effectively reduced final wash with watercolours
The amount of calculation of dye, reduces the power consumption of virtual reality device.
Alternatively, in some embodiments of the invention, if user described in described eye state instruction is in eyes-open state,
Then described virtual reality device continues described virtual scene picture is rendered, that is, when user is in eyes-open state, virtual
Real world devices recover virtual scene picture is rendered.
Wherein it is desired to explanation, in embodiments of the present invention, can there is the side of the eye state of multiple detection users
Method, does not specifically limit herein.For example, the method that common at present eye condition detection method is mainly based upon eyes image,
Gather eyes image, then according to the content in eyes image, during using opening eyes, closing one's eyes, the difference of eye feature is examined
Survey, such as from the eyes image of collection, if detect the iris edge of user, eyelid whether direction identical, upper and lower eye
The methods such as the distance of eyelid determine the eye state of user.
Alternatively, in some embodiments of the invention, described virtual reality device suspends to described virtual scene picture
After being rendered, methods described also includes：
Detection suspends whether the duration value that described virtual scene picture is rendered is more than given threshold, if it is,
Described virtual reality device continues described virtual scene picture is rendered.
It is in after closed-eye state suspending renders to described virtual scene picture when equipment detects user, when
Detect when suspending duration value that virtual scene picture is rendered and being more than given threshold, then recover virtual scene picture is entered
Row renders.Wherein, described given threshold can be configured according to practical situations, specifically do not limit herein.
Preferably, during the eye closing that described given threshold is counted when being blinked according to described user by described virtual reality device
Long determination.
It should be noted that for normal users, will blink once within usual 2～6 seconds, blink every time with 0.2～0.4
Seconds, for different users, due to the body constitution of its people, everyone eye-closing period may be different, therefore
In the embodiment of the present invention, setting threshold is determined by eye-closing period when counting the nictation using the user of this virtual reality device
Value, determines described given threshold according to the conventional eye-closing period of user.Preferably, the duration of described given threshold is less than
The eye-closing period being counted during described user's nictation, so, renders to virtual scene picture when virtual reality device suspends
Duration value then recover virtual scene picture is rendered more than given threshold, that is, when user is in closed-eye state, virtual
Real world devices after the duration of given threshold, just recovered virtual scene picture is rendered, when user opens eyes, user is just
The virtual scene picture after rendering can be obtained, can be effectively prevented from when user opens eyes, just recovering the wash with watercolours to virtual scene picture
Dye and situation that the picture that causes disconnects, that is, virtual scene picture do not render situation about finishing, improve the experience of user.
Alternatively, in some embodiments of the invention, if user described in described eye state instruction is in eyes-open state
When, described virtual reality device continues described virtual scene picture is rendered, including：
Described virtual reality device determines the region of described user vision focusing in described virtual scene picture, described void
Intend real world devices the region of vision focusing in described virtual scene picture is rendered.
It should be noted that from human-eye visual characteristic, when certain position of people's eye fixation, this position the most clear
Clear, the point corresponding to this position refers to the eye gaze focus of user, i.e. eyes of user point of fixation, the Huang of the corresponding human eye of point of fixation
Speckle, macula lutea is the place that human eye vision cell is than comparatively dense, is also therefore the best place of vision, those skilled in the art are permissible
Know, with the angle deviateing point of fixation, corresponding vision also can decline, and the information that user's vision can perceive is fewer, that is, use
The picture that family can clear, accurate perceive is a portion of user's visual range, in the embodiment of the present invention, above-mentioned user
In described virtual scene picture, the region of vision focusing, refers to the region in user's point of fixation presetting range, specifically watches attentively
The presetting range of point does not limit here, can be configured according to practical situations.Preferably, described void in general
Intend real world devices and determine that the described user region that vision is focused in described virtual scene picture can be clear, accurate for user
The region of perception.
As can be seen here, in embodiments of the present invention, for the non-vision focusing area of user's human eye, i.e. human eye vision scope
Interior, corresponding to the visual zone beyond vision focusing area virtual scene picture, virtual display device is not rendered, and
The virtual scene picture corresponding to region only vision focused renders, and can further reduce and render brought meter
Calculation amount, more efficiently reduces the power consumption of virtual reality device, further, since the virtual field to non-vision focusing area for the user
The information of scape picture perception is less, and the virtual scene picture in the region of non-vision focusing not being carried out rendering will not be to user's
Experience causes bad experience.
The method being rendered based on a kind of control that the embodiments of the present invention are provided, is additionally provided to the embodiment of the present invention
The device that a kind of control renders.
Refer to Fig. 2, one example structure schematic diagram of device that Fig. 2 renders for a kind of control of the embodiment of the present invention, should
The device rendering is controlled to be applied to virtual reality device, this device includes detection module 201 and rendering module 202.
Wherein, detection module 201 is used for virtual scene picture being rendered and to user's displaying when virtual reality device
During rendered picture, detect the eye state of described user；
If the user described in described eye state instruction that rendering module 202 detects for described detection module 201 is in closing
Eye state, then suspend and described virtual scene picture rendered.
Based on above-described embodiment, in some examples of the present invention, described rendering module 202, if for described detection mould
Block 201 detects that user described in described eye state instruction is in eyes-open state, then continue to carry out wash with watercolours to described virtual scene picture
Dye.
In conjunction with above-described embodiment, in some embodiments of the invention, described virtual reality device suspends to described virtual
After scenic picture is rendered, described detection module 201 is additionally operable to：
Detect that whether described rendering module 202 suspends the duration value that described virtual scene picture is rendered more than setting
Threshold value；
If described rendering module 202 detects described duration value for described detection module 201 is more than described setting threshold
Value, then continue described virtual scene picture is rendered.
In conjunction with above-described embodiment, in some embodiments of the invention, described given threshold is by described virtual reality device
The eye-closing period being counted when being blinked according to described user determines.
In conjunction with Fig. 2, refer to Fig. 3, another example structure of device that Fig. 3 renders for a kind of control of the embodiment of the present invention is shown
It is intended to, described rendering module 202 includes：
Determining unit 2021, if user described in described eye state instruction is detected for described detection module 201 be in
During eyes-open state, determine the region of described user vision focusing in described virtual scene picture；
Rendering unit 2022, the region for focusing to vision in described virtual scene picture renders.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit and more details, may be referred to the corresponding process in preceding method embodiment,
This repeats no more.
It should be understood that disclosed system in several embodiments provided herein, apparatus and method are permissible
Realize by another way.For example, device embodiment described above is only schematically, for example, described unit
Divide, only a kind of division of logic function, actual can have other dividing mode when realizing, for example multiple units or assembly
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not execute.Another, shown or
The coupling each other discussing or direct-coupling or communication connection can be by some interfaces, the indirect coupling of device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The described unit illustrating as separating component can be or may not be physically separate, show as unit
The part showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.The mesh to realize this embodiment scheme for some or all of unit therein can be selected according to the actual needs
's.
In addition, can be integrated in a processing unit in each functional unit in each embodiment of the present invention it is also possible to
It is that unit is individually physically present it is also possible to two or more units are integrated in a unit.Above-mentioned integrated list
Unit both can be to be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If described integrated unit is realized and as independent production marketing or use using in the form of SFU software functional unit
When, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part in other words prior art being contributed or all or part of this technical scheme can be in the form of software products
Embody, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or network equipment etc.) executes the complete of each embodiment methods described of the present invention
Portion or part steps.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (Read-Only Memory,
ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. are various can be with storage program
The medium of code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that：It still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to wherein some technical characteristics；And these
Modification or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of method that control renders, is applied to virtual reality device it is characterised in that including：
When virtual scene picture being rendered when virtual reality device and showing rendered picture to user, detect described user's
Eye state；
If user described in described eye state instruction is in closed-eye state, described virtual reality device suspends to described virtual field
Scape picture is rendered.
2. method according to claim 1 is it is characterised in that methods described also includes：
If user described in described eye state instruction is in eyes-open state, described virtual reality device continues to described virtual field
Scape picture is rendered.
3. method according to claim 2 is it is characterised in that described virtual reality device suspends to described virtual scene picture
After face is rendered, methods described also includes：
Detection suspends whether the duration value that described virtual scene picture is rendered is more than given threshold, if it is, described
Virtual reality device continues described virtual scene picture is rendered.
4. method according to claim 3 it is characterised in that described given threshold by described virtual reality device according to institute
State the eye-closing period being counted during user's nictation to determine.
5. if the method according to any one of claim 1-4 is it is characterised in that user described in described eye state instruction
When being in eyes-open state, described virtual reality device continues described virtual scene picture is rendered, including：
Described virtual reality device determines the region of described user vision focusing in described virtual scene picture；
Described virtual reality device renders to the region of vision focusing in described virtual scene picture.
6. the device that a kind of control renders, is applied to virtual reality device it is characterised in that including：
Detection module, during for being rendered to virtual scene picture when virtual reality device and shown rendered picture to user,
Detect the eye state of described user；
Rendering module, if the user described in described eye state instruction for the detection of described detection module is in closed-eye state,
Suspend and described virtual scene picture is rendered.
7. device according to claim 6 it is characterised in that
Described rendering module, if detecting that user described in described eye state instruction is in eyes-open state for described detection module,
Then continue described virtual scene picture is rendered.
8. device according to claim 7 it is characterised in that
After described virtual reality device time-out renders to described virtual scene picture, described detection module is additionally operable to：
Detect that described rendering module suspends whether the duration value that described virtual scene picture is rendered is more than given threshold；
Described rendering module, if described duration value is detected for described detection module to be more than described given threshold, continues
Described virtual scene picture is rendered.
9. device according to claim 8 it is characterised in that described given threshold by described virtual reality device according to institute
State the eye-closing period being counted during user's nictation to determine.
10. the device according to any one of claim 6-9 is it is characterised in that described rendering module includes：
Determining unit, if user described in described eye state instruction is detected for described detection module and be in eyes-open state,
Determine the region of described user vision focusing in described virtual scene picture；
Rendering unit, the region for focusing to vision in described virtual scene picture renders.
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| CN201610877592.4A CN106406501A (en) | 2016-09-30 | 2016-09-30 | Method and device for controlling rendering |
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