CN106873929A - Image refreshing method and apparatus based on virtual reality technology - Google Patents
Image refreshing method and apparatus based on virtual reality technology Download PDFInfo
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- CN106873929A CN106873929A CN201611178744.8A CN201611178744A CN106873929A CN 106873929 A CN106873929 A CN 106873929A CN 201611178744 A CN201611178744 A CN 201611178744A CN 106873929 A CN106873929 A CN 106873929A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1415—Digital output to display device ; Cooperation and interconnection of the display device with other functional units with means for detecting differences between the image stored in the host and the images displayed on the displays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/01—Indexing scheme relating to G06F3/01
- G06F2203/012—Walk-in-place systems for allowing a user to walk in a virtual environment while constraining him to a given position in the physical environment
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Abstract
Present invention is disclosed a kind of image refreshing method and apparatus based on virtual reality technology, the described method comprises the following steps：When the location status of terminal device change, first area and second area are determined according to location status change information on a display screen；Refresh the image of first area using the old view data being shown under previous location status on display screen, the image that new view data refreshes second area is obtained according to location status change information.So as to, when the location status of terminal device change, the first area not changed by the picture material for determining display screen on a display screen, image refreshing directly is carried out using old view data for the first area, the process for recalculating the new view data of acquisition and transmission data is eliminated, amount of calculation and transmission quantity is greatly reduced, improve image refreshing speed, the time that user waits refresh picture is shortened, the sense of reality of picture is enhanced, dizzy sense is reduce or eliminated.
Description
Technical field
The present invention relates to technical field of virtual reality, a kind of image refreshing based on virtual reality technology is especially related to
Method and apparatus.
Background technology
Virtual reality (Virtual Reality, VR) technology is a kind of computer that can be created with the experiencing virtual world
Analogue system, it generates a kind of simulated environment using computer, is that a kind of interactive Three-Dimensional Dynamic of Multi-source Information Fusion is regarded
Scape and the system emulation of entity behavior, make user be immersed in the environment.It is fast with virtual reality technology and wearable technology
Speed development, wear-type virtual reality device particularly virtual reality glasses (VR glasses) have started brand-new consumer electronics market.
The image that the display screen of virtual reality device shows, is refreshed in real time with the movement of user, is built with this
Go out a kind of sense of reality, the speed of refreshing is faster, then the sense of reality is stronger.In the prior art, the substantially flow of image refreshing is as follows：
(1) attitude information of user is gathered first, and this step probably needs 1-2ms；
(2) then processor is recalculated according to current attitude information, obtains new view data, and this step is big
Generally need 1-3ms；
(3) and then new view data is transferred to display screen by processor, this step probably needs 11ms；
(4) last display screen refreshes the image of whole display screen area using new view data, that is, light display screen simultaneously
The new view data of display, this step probably needs 1-2ms.
From above step as can be seen that whole image refresh flow probably needs 14-18ms, wherein step (2) and (3) are
Most steps are taken in whole flow process, refresh rate has been had a strong impact on.Image refreshing speed is slower, and user waits refresh picture
Time it is more long, so as to reduce the sense of reality of picture, and user can be allowed to produce dizzy sense, so as to have a strong impact on user's body
Test.
The content of the invention
The main object of the present invention is to provide a kind of image refreshing method based on virtual reality technology, it is intended to improve image
Refresh rate, strengthens the sense of reality of picture.
To achieve these objectives, the present invention proposes a kind of image refreshing method based on virtual reality technology, methods described bag
Include following steps：
When the location status of terminal device change, first is determined on a display screen according to location status change information
Region and second area；
Refresh the first area using the old view data being shown under previous location status on the display screen
Image, the image that new view data refreshes the second area is obtained according to the location status change information.
Alternatively, it is described the step of determine first area and second area on a display screen according to location status change information
Including：Using on display screen with previous location status under the region that coincides of display screen position as first area, will
Region on the display screen beyond first area is used as second area.
Alternatively, it is described to refresh institute using the old view data being shown under previous location status on the display screen
The step of image for stating first area, includes：
The first direction and the first distance of the terminal device movement are determined according to the location status change information；
On the display screen by opposite direction from the old view data to the first direction movement described first away from
From the described old view data that display is moved into the first area.
Alternatively, it is described to refresh institute using the old view data being shown under previous location status on the display screen
The step of image for stating first area, includes：
To obtain under previous location status and coincided with the display screen position under current position state on display screen
Old view data shown by region, the described old view data that display is obtained in the first area.
Alternatively, the view data new according to location status change information acquisition refreshes the second area
The step of image, includes：
Obtain the display screen position under display screen position and the previous location status under current position state
Different information, using preset algorithm calculate according to the different information and obtain new view data, in secondth area
Domain shows the new view data.
Alternatively, the preset algorithm is asynchronous time warping algorithm.
Alternatively, it is described to refresh institute using the old view data being shown under previous location status on the display screen
The step of image for stating first area, includes：
The display screen obtains the described old view data of storage from internal memory, is refreshed using the old view data
The image of the first area.
Alternatively, the view data new according to location status change information acquisition refreshes the second area
The step of image, includes：
Processor obtains new view data according to the location status change information, and the new view data is passed
Give the display screen；
The display screen refreshes the image of the second area using the new view data.
Alternatively, methods described also includes：
First refresh the image of the first area, then refresh the image of the second area.
Alternatively, the terminal device is wear-type virtual reality device.
Alternatively, the wear-type virtual reality device is virtual reality glasses or virtual implementing helmet.
Alternatively, the terminal device is mobile terminal.
The present invention proposes a kind of image refreshing device based on virtual reality technology simultaneously, and described device includes：
Determining module, for when the location status of terminal device change, according to location status change information aobvious
First area and second area are determined in display screen；
Refresh module, for being refreshed using the old view data being shown under previous location status on the display screen
The image of the first area, obtains new view data and refreshes the second area according to the location status change information
Image.
Alternatively, the determining module is used for：
Using on display screen with previous location status under the region that coincides of display screen position as first area,
Using the region beyond first area on the display screen as second area.
Alternatively, the refresh module includes the first refresh unit, and first refresh unit is used for：
The first direction and the first distance of the terminal device movement are determined according to the location status change information；Institute
State and the old view data is moved into first distance to the opposite direction of the first direction on display screen, described first
The described old view data that region display is moved into.
Alternatively, the refresh module includes the first refresh unit, and first refresh unit is used for：
To obtain under previous location status and coincided with the display screen position under current position state on display screen
Old view data shown by region, the described old view data that display is obtained in the first area.
Alternatively, the refresh module includes the second refresh unit, and second refresh unit is used for：
Obtain the display screen position under display screen position and the previous location status under current position state
Different information, using preset algorithm calculate according to the different information and obtain new view data, in secondth area
Domain shows the new view data.
Alternatively, the refresh module is used for：
The described old view data of storage is obtained from internal memory by the display screen, using the old view data
Refresh the image of the first area.
Alternatively, the refresh module is used for：
New view data is obtained according to the location status change information by processor, and by the new picture number
According to sending the display screen to；Refresh the image of the second area using the new view data by the display screen.
Alternatively, the refresh module is used for：First refresh the image of the first area, then refresh the second area
Image.
A kind of image refreshing method based on virtual reality technology that the embodiment of the present invention is provided, when the position of terminal device
When configuration state changes, the first area not changed by the picture material for determining display screen on a display screen, pin
Image refreshing directly is carried out using old view data to the first area, eliminate recalculate obtain new view data with
And the process of transmission data, amount of calculation and transmission quantity are greatly reduced, image refreshing speed is improve, shorten user etc. to be brushed
The time of new picture, the sense of reality of picture is enhanced, reduce or eliminate dizzy sense, improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is the flow chart of the image refreshing method that first embodiment of the invention is based on virtual reality technology；
Fig. 2 is that the displacement of its display screen when the location status of terminal device change in the embodiment of the present invention is illustrated
Figure；
Fig. 3 is the regional change contrast schematic diagram before and after the display screen movement in Fig. 2；
Fig. 4 is the flow chart of the image refreshing method that second embodiment of the invention is based on virtual reality technology；
Fig. 5 is the another regional change contrast schematic diagram before and after the display screen movement in Fig. 2；
Fig. 6 is the module diagram of the image refreshing device that second embodiment of the invention is based on virtual reality technology；
Fig. 7 is the module diagram of the refresh module in Fig. 6.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, " one
It is individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that what is used in specification of the invention arranges
Diction " including " refer to the presence of the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
One or more other features, integer, step, operation, element, component and/or their group.It should be understood that when we claim unit
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connection or wireless coupling.It is used herein to arrange
Diction "and/or" includes one or more associated wholes or any cell of listing item and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), with art of the present invention in those of ordinary skill general understanding identical meaning.Should also
Understand, those terms defined in such as general dictionary, it should be understood that with the context with prior art
The consistent meaning of meaning, and unless by specific definitions as here, will not otherwise use idealization or excessively formal implication
To explain.
Those skilled in the art of the present technique are appreciated that " terminal " used herein above, " terminal device " both include wireless communication
The equipment of number receiver, the equipment of its wireless signal receiver for only possessing non-emissive ability, and including receiving and transmitting hardware
Equipment, its have can on bidirectional communication link, perform two-way communication reception and transmitting hardware equipment.This equipment
Can include：Honeycomb or other communication equipments, it has single line display or multi-line display or is shown without multi-line
The honeycomb of device or other communication equipments；PCS (Personal Communications Service, PCS Personal Communications System), it can
With combine voice, data processing, fax and/or its communication ability；PDA (Personal Digital Assistant, it is personal
Digital assistants), it can include radio frequency receiver, pager, the Internet/intranet access, web browser, notepad, day
Go through and/or GPS (Global Positioning System, global positioning system) receiver；Conventional laptop and/or palm
Type computer or other equipment, its have and/or conventional laptop and/or palmtop computer including radio frequency receiver or its
His equipment." terminal " used herein above, " terminal device " they can be portable, can transport, installed in the vehicles (aviation,
Sea-freight and/or land) in, or be suitable for and/or be configured in local runtime, and/or with distribution form, operate in the earth
And/or any other position operation in space." terminal " used herein above, " terminal device " can also be communication terminal, on
Network termination, music/video playback terminal, for example, can be PDA, MID (Mobile Internet Device, mobile Internet
Equipment) and/or the equipment such as mobile phone, or intelligent television, Set Top Box with music/video playing function.
Embodiment one
Reference picture 1, proposes that first embodiment of the invention is based on the image refreshing method of virtual reality technology, methods described bag
Include following steps：
S11, when the location status of terminal device change, determined on a display screen according to location status change information
First area and second area.
In the embodiment of the present invention, when the location status for detecting terminal device change, then immediately according to position shape
State change information determines first area and second area on a display screen.Wherein, first area is the view data of display screen
The region that content does not change, it is not necessary to obtain new view data to carry out image refreshing, it is only necessary to directly using old
View data carry out image refreshing；Second area is then that the content of the view data of display screen there occurs the area of change
Domain as prior art, it is necessary to obtain new view data to carry out image refreshing.Location status change information, i.e. present bit
Change information of the configuration state relative to previous location status (location status before changing).
Specifically, attitude information of the terminal device by sensor collection user, the attitude information namely terminal device
Location status information.When detecting location status by sensor and changing, then by display screen under current position state
The region coincided with the display screen position under previous location status as first area, by first area on display screen
Region in addition is used as second area.
Referring to Fig. 2, Fig. 3, its display screen is moved to the left when wherein Fig. 2 represents that the location status of terminal device change
Schematic diagram, Fig. 3 is the regional change contrast schematic diagram before and after display screen movement.In Fig. 2, the thin previous location status of wire frame representation
Under (mobile before) display screen 10, bold box represents the display screen 20 of (after mobile) under current position state；In Fig. 3, above
Bold box represents the display screen 10 under previous location status, and following bold box represents the display screen under current position state
20.As shown in Figure 2 and Figure 3, after display screen is moved to the left, under current position state on display screen 20 with previous location status under
The region that coincides of the position of display screen 10 be C regions, then using C regions as first area, and by C areas on display screen 20
D regions beyond domain are used as second area.
Terminal device is in addition to being moved to the left, it is also possible to the right, downwards, upwards, obliquely, oblique inferior any direction
It is mobile, again may be by aforesaid way and determine first area and second area.
It will be understood by those skilled in the art that except determining first area and second area by the way of foregoing enumerating
Outward, other modes, the invention is not limited in this regard can also be used.
S12, the figure for refreshing first area using the old view data being shown under previous location status on display screen
Picture, the image that new view data refreshes second area is obtained according to location status change information.
In the embodiment of the present invention, after first area and second area is determined, then previous location status are directly utilized
Under the old view data that is shown on display screen refresh the image of first area, just for second area recalculate obtaining
New view data is taken, is recalculated relative to whole display screen area, greatly reduce amount of calculation and transmission quantity,
Improve image refreshing speed.
During specific implementation, because the view data storage of display screen display is in internal memory (such as internal memory of display screen), because
The display screen of this terminal device directly obtains the old view data of storage from internal memory, and first is refreshed using old view data
The image in region.The processor of terminal device according to location status change information recalculate and obtains new view data,
And new view data is transferred to display screen, display screen then refreshes the image of second area using new view data, and will
New view data is stored in internal memory.
Preferably, in the embodiment of the present invention, terminal device first refreshes the image of first area, then refreshes second area
Image, because first area need not be recalculated, therefore image refreshing speed is fast so that can be promptly appreciated that after user's movement aobvious
Image after refreshing in display screen.Certainly, while the image of first area is refreshed, it is also possible to while performing the figure of second area
The refresh operation of picture.
Terminal device can refresh the image of first area using following two modes using old view data：
Mode one：Terminal device determines the first direction and that terminal device is moved according to location status change information first
One distance；Then old view data is moved into the first distance to the opposite direction of first direction on a display screen, in first area
The old view data for moving into is shown, the old view data for removing display screen is abandoned from internal memory.
As shown in Figure 2 and Figure 3, the first direction of terminal device movement is the left side, mobile distance for D regions width away from
Opposite direction from, first direction is then the right, is shown in the picture number in the A and B regions of display screen 10 under previous location status
According to then be old view data.The view data in A and B regions is integrally moved right on display screen 20 under current position state
Dynamic identical distance, then during the view data in B regions moves into the C regions of display screen 20, the view data of a-quadrant is then out of aobvious
Display screen 20, as invalid data.The last view data in C regions display B regions, abandons the view data of a-quadrant in internal memory.
Mode two：Terminal device obtain under previous location status on display screen with current position state under display screen institute
In the old view data shown by the region that position coincides, the old view data that display is obtained in first area.
As shown in Figure 2 and Figure 3, the view data in the A and B regions of display screen 10 under previous location status is shown in for old
View data, coincided with the position of display screen 20 under current position state on display screen 10 under previous location status
Region be B regions, then obtained from internal memory and be shown in the view data in B regions, the display screen 20 under current position state
First area C displays B regions view data, and abandon the view data of a-quadrant in internal memory.
It will be understood by those skilled in the art that except utilizing old view data to refresh the by the way of foregoing enumerating
Outside the image in one region, other modes can also be used, this is not limited by the present invention.
Terminal device can in the following ways refresh the image of second area：Obtain aobvious under current position state first
The different information of the display screen position under display screen position and previous location status, then utilizes according to different information
Preset algorithm calculate and obtains new view data, finally shows new view data in second area.The preset algorithm
Preferably asynchronous time warping algorithm, naturally it is also possible to be other similar algorithms, this is not limited by the present invention.
As shown in Figure 2 and Figure 3, it is aobvious under the position of display screen 20 under current position state and previous location status
The different information of the position of display screen 10 is shifted the width distance in D regions to the left, accordingly using asynchronous time warping algorithm
View data to D regions is recalculated, and obtains new view data, and show new view data in second area.
Specific calculation is same as the prior art, will not be described here.
It will be understood by those skilled in the art that in addition to the image for refreshing second area by the way of foregoing the enumerating,
Other similar modes can also be used, this is not limited by the present invention.
Using the image refreshing method of the embodiment of the present invention, refresh rate can be greatly improved, greatly shorten use
Family waits the time of refresh picture, enhances the sense of reality of picture, reduces dizzy sense.
Embodiment two
Reference picture 4, proposes the image refreshing method based on virtual reality technology of second embodiment of the invention, methods described
Comprise the following steps：
The location status of S21, monitoring terminal equipment.Judge whether the location status of terminal device change, work as generation
During change, into step S22.
S22, first area and second area are determined according to location status change information on a display screen.
S23, the figure for refreshing first area using the old view data being shown under previous location status on display screen
Picture.
S24, the image that new view data refreshing second area is obtained according to location status change information.
In the present embodiment, the display screen of terminal device refreshes the image of first area according to special instruction in advance, due to
One region need not be recalculated, therefore image refreshing speed is fast so that can be promptly appreciated that after user's movement and refreshed on display screen
Picture afterwards, i.e., in step S23, user has had been observed that refresh picture.During user's viewing refresh picture, terminal sets
It is standby to continue executing with step S24 on backstage, continue to refresh the image of second area, without influence user's viewing video.So as to greatly
The real-time refreshing that improve image refreshing speed, realize image, greatly strengthen the sense of reality of picture.
For example, as shown in figure 5, the region whole memory headroom of correspondence of the housing restriction of display screen (10,20), inside casing
The region correspondence actual displayed space of restriction, that is to say, that whenever the corresponding region of memory headroom is all than actual displayed space
Corresponding region is big.When user is moved to the left certain distance, display screen is also moved to the left same distance, display content hair therewith
The skew of raw 64 pixels to the left.Now, bold box above in Fig. 5 represents the display screen 10 under previous location status, including
Tri- regions of A, B, C；Following bold box represents the display screen 20 under current position state, including tri- regions of D, E, F.Due to
D regions and E regions on display screen 20 coincide with the position of display screen 10, it is thus determined that D regions and E regions are the firstth area
Domain, F regions are second area.
Display screen 20 first refreshes the image that first area is D regions and E regions, due to D regions and E areas on display screen 20
C regions and B area coincidences on domain and display screen 10, therefore the view data in direct acquisition B regions and C regions from internal memory is next
Refresh the image in D regions and E regions so that the view data of C regions and B regions left-hand component is displayed in E regions in real time, without
Recalculate and obtain new view data, substantially increase the image refreshing speed in E regions so that user can see immediately
Picture after to refreshing.Because the view data of a-quadrant in internal memory is not in the range of currently displaying screen 20, therefore for invalid
Data, abandon from internal memory.
Then display screen 20 refreshes the second area i.e. view data in F regions again, now needs processor to enter for F regions
Row is recalculated and obtains new view data, is then transferred to display screen, and display screen then refreshes F areas using new view data
Domain, and new view data is stored in internal memory.Because F regions are not in the corresponding region in actual displayed space, therefore F areas
The refresh process in domain is carried out equivalent on backstage, does not have any influence to actual display picture.
The image refreshing method of the embodiment of the present invention, when the location status of terminal device change, by display
The first area that the picture material of display screen does not change is determined on screen, old image is directly utilized for the first area
Data carry out image refreshing, eliminate the process for recalculating the new view data of acquisition and transmission data, greatly reduce
Amount of calculation and transmission quantity, improve image refreshing speed, shorten the time that user waits refresh picture, enhance the true of picture
True feeling, reduce or eliminates dizzy sense, improves Consumer's Experience.
Embodiment three
Reference picture 6, proposes the image refreshing device based on virtual reality technology of third embodiment of the invention, described device
Including determining module and refresh module, wherein：
Determining module：For when the location status of terminal device change, according to location status change information aobvious
First area and second area are determined in display screen.
In the embodiment of the present invention, when the location status of terminal device change, determining module is then immediately according to position
State change information determines first area and second area on a display screen.Wherein, first area is the view data of display screen
The region that does not change of content, it is not necessary to obtain new view data to carry out image refreshing, it is only necessary to directly utilize
Old view data carries out image refreshing；Second area is then that the content of the view data of display screen there occurs the area of change
Domain as prior art, it is necessary to obtain new view data to carry out image refreshing.Location status change information, i.e. present bit
Change information of the configuration state relative to previous location status (location status before changing).
Specifically, attitude information of the terminal device by sensor collection user, the attitude information namely terminal device
Location status information.When detecting location status by sensor and changing, determining module is then by under current position state
On display screen with previous location status under the region that coincides of display screen position as first area, by display screen
Region beyond first area is used as second area.
Referring to Fig. 2, Fig. 3, its display screen is moved to the left when wherein Fig. 2 represents that the location status of terminal device change
Schematic diagram, Fig. 3 is the regional change contrast schematic diagram before and after display screen movement.In Fig. 2, the thin previous location status of wire frame representation
Under (mobile before) display screen 10, bold box represents the display screen 20 of (after mobile) under current position state；In Fig. 3, above
Bold box represents the display screen 10 under previous location status, and following bold box represents the display screen under current position state
20.As shown in Figure 2 and Figure 3, after display screen is moved to the left, under current position state on display screen 20 with previous location status under
The region that coincides of the position of display screen 10 be C regions, determining module, and will display then using C regions as first area
D regions on screen 20 beyond C regions are used as second area.
Terminal device is in addition to being moved to the left, it is also possible to the right, downwards, upwards, obliquely, oblique inferior any direction
Mobile, determining module again may be by aforesaid way and determine first area and second area.
It will be understood by those skilled in the art that except determining first area and second area by the way of foregoing enumerating
Outward, other modes can also be used, this is not limited by the present invention.
Refresh module：For refreshing first using the old view data being shown under previous location status on display screen
The image in region, the image that new view data refreshes second area is obtained according to location status change information.
In the embodiment of the present invention, after first area and second area is determined, refresh module is then directly using previous
The old view data being shown under location status on display screen refreshes the image of first area, and weight is carried out just for second area
New calculating obtains new view data, is recalculated relative to whole display screen area, greatly reduces amount of calculation
And transmission quantity, improve image refreshing speed.
During specific implementation, because the view data storage of display screen display is in internal memory (such as internal memory of display screen), because
This refresh module directly obtains the old view data of storage by display screen from internal memory, and the is refreshed using old view data
The image in one region.Refresh module according to location status change information recalculate and obtains new picture number by processor
According to, and new view data is transferred to display screen, refresh the image of second area using new view data by display screen,
And store in internal memory new view data.
Preferably, in the embodiment of the present invention, refresh module first refreshes the image of first area, then refreshes second area
Image, because first area need not be recalculated, therefore image refreshing speed is fast so that can be promptly appreciated that after user's movement aobvious
Image after refreshing in display screen.Certainly, while the image of first area is refreshed, refresh module can also simultaneously perform second
The refresh operation of the image in region.
As shown in fig. 7, refresh module includes the first refresh unit and the second refresh unit, wherein：
First refresh unit：For being refreshed using the old view data being shown under previous location status on display screen
The image of first area.
Specifically, the first refresh unit can refresh first area using following two modes using old view data
Image：
Mode one：First refresh unit determines the first direction that terminal device is moved according to location status change information first
With the first distance；Then old view data is moved into the first distance to the opposite direction of first direction on a display screen, first
The old view data that region display is moved into, abandons the old view data for removing display screen from internal memory.
As shown in Figure 2 and Figure 3, the first direction of terminal device movement is the left side, mobile distance for D regions width away from
Opposite direction from, first direction is then the right, is shown in the picture number in the A and B regions of display screen 10 under previous location status
According to then be old view data.First refresh unit is on the display screen 20 under current position state by the picture number in A and B regions
According to the overall identical distance that moves right, then in the C regions of the view data immigration display screen 20 in B regions, the picture number of a-quadrant
According to then out of display screen 20, as invalid data.The last view data in C regions display B regions, abandons A areas in internal memory
The view data in domain.
Mode two：First refresh unit obtain under previous location status on display screen with current position state under display
The old view data shown by region that screen position coincides, the old view data that display is obtained in first area.
As shown in Figure 2 and Figure 3, the view data in the A and B regions of display screen 10 under previous location status is shown in for old
View data, coincided with the position of display screen 20 under current position state on display screen 10 under previous location status
Region be B regions, the first refresh unit is then obtained from internal memory and is shown in the view data in B regions, in current position state
Under display screen 20 first area C displays B regions view data, and abandon the view data of a-quadrant in internal memory.
It will be understood by those skilled in the art that except utilizing old view data to refresh the by the way of foregoing enumerating
Outside the image in one region, other modes can also be used, this is not limited by the present invention.
Second refresh unit：For obtaining the figure that new view data refreshes second area according to location status change information
Picture.
Specifically, the second refresh unit can in the following ways refresh the image of second area：Present bit is obtained first
The different information of the display screen position under display screen position under configuration state and previous location status, then basis
Different information using preset algorithm calculate and obtains new view data, finally shows new view data in second area.
The preset algorithm is preferably asynchronous time warping algorithm, naturally it is also possible to be other similar algorithms, and the present invention does not make to this
Limit.
As shown in Figure 2 and Figure 3, it is aobvious under the position of display screen 20 under current position state and previous location status
The different information of the position of display screen 10 is shifted the width distance in D regions to the left, and the second refresh unit is using asynchronous accordingly
Time warp algorithm is recalculated to the view data in D regions, obtains new view data, and show newly in second area
View data.Specific calculation is same as the prior art, will not be described here.
It will be understood by those skilled in the art that in addition to the image for refreshing second area by the way of foregoing the enumerating,
Other similar modes can also be used, this is not limited by the present invention.
The image refreshing device of the embodiment of the present invention, when the location status of terminal device change, by display
The first area that the picture material of display screen does not change is determined on screen, old image is directly utilized for the first area
Data carry out image refreshing, eliminate the process for recalculating and obtaining new view data and transmission data, greatly reduce meter
Calculation amount and transmission quantity, improve image refreshing speed, shorten the time that user waits refresh picture, enhance the true of picture
Sense, reduce or eliminates dizzy sense, improves Consumer's Experience.
The embodiment of the present invention is based on the image refreshing method and apparatus of virtual reality technology, is mainly used in virtual reality and sets
It is standby, such as wear-type virtual reality device, including virtual reality glasses, virtual implementing helmet etc., mobile phone, flat board can also be applied to
Deng mobile terminal, other-end equipment can also be applied to certainly.
It will be understood by those skilled in the art that the present invention includes being related to for performing in operation described herein
Or multinomial equipment.These equipment can be for needed for purpose and specially design and manufacture, or general-purpose computations can also be included
Known device in machine.These equipment have computer program of the storage in it, and these computer programs are optionally activated
Or reconstruct.Such computer program can be stored in equipment (for example, computer) computer-readable recording medium or store and be suitable to
Storage e-command is simultaneously coupled in any kind of medium of bus respectively, and the computer-readable medium is included but is not limited to
Any kind of disk (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read-Only Memory, it is read-only to deposit
Reservoir), RAM (Random Access Memory, random access memory), EPROM (Erasable Programmable Read-
Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically Erasable Programmable
Read-Only Memory, EEPROM), flash memory, magnetic card or light card.It is, readable
Medium include being stored in the form of it can read by equipment (for example, computer) or transmission information any medium.
Those skilled in the art of the present technique be appreciated that can be realized with computer program instructions these structure charts and/or
The combination of the frame in each frame and these structure charts and/or block diagram and/or flow graph in block diagram and/or flow graph.This technology is led
Field technique personnel be appreciated that can by these computer program instructions be supplied to all-purpose computer, special purpose computer or other
The processor of programmable data processing method is realized, so that by the treatment of computer or other programmable data processing methods
Device is come the scheme specified in the frame or multiple frame that perform structure chart disclosed by the invention and/or block diagram and/or flow graph.
Those skilled in the art of the present technique are appreciated that in various operations, method, the flow discussed in the present invention
Step, measure, scheme can be replaced, changed, combined or deleted.Further, it is each with what is discussed in the present invention
Other steps, measure in kind operation, method, flow, scheme can also be replaced, changed, reset, decomposed, combined or deleted.
Further, it is of the prior art with various operations, method, the flow disclosed in the present invention in step, measure, scheme
Can also be replaced, changed, reset, decomposed, combined or deleted.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the invention, every utilization is not thereby limited
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of image refreshing method based on virtual reality technology, it is characterised in that comprise the following steps：
When the location status of terminal device change, first area is determined according to location status change information on a display screen
And second area；
Refresh the figure of the first area using the old view data being shown under previous location status on the display screen
Picture, the image that new view data refreshes the second area is obtained according to the location status change information.
2. the image refreshing method based on virtual reality technology according to claim 1, it is characterised in that described according to position
The step of configuration state change information determines first area and second area on a display screen includes：By on display screen with previous position
The region that display screen position under configuration state coincides as first area, beyond first area on the display screen
Region is used as second area.
3. the image refreshing method based on virtual reality technology according to claim 1, it is characterised in that described using preceding
The step of old view data being shown under one location status on the display screen refreshes the image of the first area is wrapped
Include：
The first direction and the first distance of the terminal device movement are determined according to the location status change information；
The old view data is moved into first distance to the opposite direction of the first direction on the display screen,
The described old view data that the first area display is moved into.
4. the image refreshing method based on virtual reality technology according to claim 1, it is characterised in that described using preceding
The step of old view data being shown under one location status on the display screen refreshes the image of the first area is wrapped
Include：
Obtain under previous location status on display screen with current position state under the region that coincides of display screen position
Shown old view data, the described old view data that display is obtained in the first area.
5. the image refreshing method based on virtual reality technology according to claim 1, it is characterised in that described according to institute
Rheme configuration state change information is obtained the step of new view data refreshes the image of the second area to be included：
Obtain the difference of the display screen position under display screen position and the previous location status under current position state
Different information, carries out calculating the new view data of acquisition according to the different information using preset algorithm, aobvious in the second area
Show the new view data.
6. a kind of image refreshing device based on virtual reality technology, it is characterised in that including：
Determining module, for when the location status of terminal device change, according to location status change information in display screen
Upper determination first area and second area；
Refresh module, for refreshing described using the old view data being shown under previous location status on the display screen
The image of first area, the figure that new view data refreshes the second area is obtained according to the location status change information
Picture.
7. the image refreshing device based on virtual reality technology according to claim 6, it is characterised in that the determination mould
Block is used for：
Using on display screen with previous location status under the region that coincides of display screen position as first area, by institute
The region on display screen beyond first area is stated as second area.
8. the image refreshing device based on virtual reality technology according to claim 6, it is characterised in that the refreshing mould
Block includes the first refresh unit, and first refresh unit is used for：
The first direction and the first distance of the terminal device movement are determined according to the location status change information；Described aobvious
The old view data is moved into first distance to the opposite direction of the first direction in display screen, in the first area
Show the described old view data for moving into.
9. the image refreshing device based on virtual reality technology according to claim 6, it is characterised in that the refreshing mould
Block includes the first refresh unit, and first refresh unit is used for：
Obtain under previous location status on display screen with current position state under the region that coincides of display screen position
Shown old view data, the described old view data that display is obtained in the first area.
10. the image refreshing device based on virtual reality technology according to claim 6, it is characterised in that the refreshing
Module includes the second refresh unit, and second refresh unit is used for：
Obtain the difference of the display screen position under display screen position and the previous location status under current position state
Different information, carries out calculating the new view data of acquisition according to the different information using preset algorithm, aobvious in the second area
Show the new view data.
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| CN112214188A (en) * | 2020-09-11 | 2021-01-12 | 西安万像电子科技有限公司 | Image processing method and device, storage medium and processor |
| CN112214188B (en) * | 2020-09-11 | 2024-06-07 | 西安万像电子科技有限公司 | Image processing method, device, storage medium and processor |
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| CN106873929B (en) | 2019-12-17 |
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