CN107833265A - A kind of image switching methods of exhibiting and virtual reality device - Google Patents
A kind of image switching methods of exhibiting and virtual reality device Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000001747 exhibiting effect Effects 0.000 title claims abstract description 19
- 238000009877 rendering Methods 0.000 claims abstract description 17
- 230000004044 response Effects 0.000 claims abstract description 14
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- 238000004891 communication Methods 0.000 description 11
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- 230000006870 function Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
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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
Abstract
The embodiments of the invention provide a kind of image switching methods of exhibiting and virtual reality device, methods described to include：The first switching command in response to indicating to show pattern from laid out flat pattern switching to panorama, is centre of sphere drafting virtual sphere model using user position, and the inner surface of the virtual sphere model includes N number of grid, wherein, N is integer, N>1；Gradually increase the grid shared by image to be rendered, until the image to be rendered occupies N number of grid, to carry out rendering for image to be rendered in the grid determined every time.By implementing embodiments of the invention, the switching that can preferably be connected between plane and panorama, to improve Consumer's Experience.
Description
Technical field
The present invention relates to technical field of virtual reality, more particularly to a kind of image switching methods of exhibiting and virtual reality to set
It is standby.
Background technology
With the development of computer technology, virtual reality device is gradually popularized.Multimedia is played using virtual reality device,
The feeling of immersion that while bringing the frankness of giant-screen to feel user to user can also be made to experience 360 degree.Virtual reality device
Can by laid out flat, panorama show both of which play multimedia, for not only can with laid out flat but also can with 360 degree entirely
For the multimedia of scape displaying, the switching between both of which may relate to.
, it is necessary to reload scene, reinitialize video when switching above two pattern in the prior art, and then in weight
Blank screen phenomenon occurs from user perspective viewing when newly loading, reinitializing, that is, the problem of producing interim card, therefore present mode
The linking degree of display content is not fine in handoff procedure, and Consumer's Experience is poor.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of image switching methods of exhibiting and virtual reality device, to more preferable
Linking plane and panorama between switching, and then improve Consumer's Experience.
In a first aspect, the embodiments of the invention provide a kind of image to switch methods of exhibiting, including：
The first switching command in response to indicating the displaying pattern from laid out flat pattern switching to panorama, it is in place with user institute
It is set to the centre of sphere and draws virtual sphere model, the inner surface of the virtual sphere model includes N number of grid, wherein, N is integer, N>
1；
Gradually increase the grid shared by image to be rendered, until the image to be rendered occupies N number of grid, with every
Rendering for image to be rendered is carried out in the secondary grid determined.
Second aspect, the embodiments of the invention provide a kind of storage medium, the storage medium is used to store executable finger
Order, the executable instruction are used to be performed to realize that the image that first aspect of the embodiment of the present invention provides switches methods of exhibiting.
The third aspect, the embodiments of the invention provide a kind of virtual reality device, the virtual reality device includes：
Processor, memory；
The memory is used to store executable instruction；
The processor realizes the embodiment of the present invention first by performing the executable instruction stored in the memory
The image switching methods of exhibiting that aspect provides.
A kind of image switching methods of exhibiting and virtual reality device that the embodiment of the present invention is provided, in response to the first switching
Instruction, during from laid out flat pattern switching to panorama displaying pattern, gradually increase shared by image to be rendered, distribution
In the grid of virtual sphere mold inner surfaces, and image to be rendered is rendered in the grid determined every time, until to be rendered
Image occupies all grids of virtual sphere model, that is, completes to show the switching of pattern from laid out flat pattern to panorama.Due to
User is in the centre of sphere of virtual sphere model, therefore from the user point of view, in handoff procedure image to be rendered gradually amplify,
The inner surface of whole virtual sphere model is gradually filled with, and then forms panoramic effect, therefore, is preferably connected laid out flat pattern
With the switching between panorama displaying pattern, and then Consumer's Experience is improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart that a kind of image provided in an embodiment of the present invention switches methods of exhibiting；
Fig. 2 is the schematic diagram for the increase process for gradually increasing grid shared by image to be rendered；
Fig. 3 is a kind of optional situation of preset direction；
Fig. 4 is the optional schematic diagram of grid region corresponding to preset direction；
Fig. 5 is the optional embodiment that grid is determined in embodiment illustrated in fig. 1 step S101；
Fig. 6 is the schematic diagram for the optional determination result that N bars side is determined with true edge and predetermined angle；
Fig. 7 is the structural representation that a kind of image provided in an embodiment of the present invention switches exhibiting device；
Fig. 8 is a kind of structural representation of virtual reality device provided in an embodiment of the present invention；
Fig. 9 is a kind of another structural representation of virtual reality device provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The term used in embodiments of the present invention is only merely for the purpose of description specific embodiment, and is not intended to be limiting
The present invention." one kind ", " described " and "the" of singulative used in the embodiment of the present invention and appended claims
It is also intended to including most forms, unless context clearly shows that other implications, " a variety of " generally comprise at least two, but not
Exclusion includes at least one situation.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
It will be appreciated that though XXX may be described using term first, second, third, etc. in embodiments of the present invention, but
These XXX should not necessarily be limited by these terms.These terms are only used for distinguishing XXX.For example, model of the embodiment of the present invention is not being departed from
In the case of enclosing, the first XXX can also be referred to as the 2nd XXX, and similarly, the 2nd XXX can also be referred to as the first XXX.
Depending on linguistic context, word as used in this " if ", " if " can be construed to " ... when " or
" when ... " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " such as
Fruit detects (condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when detection (statement
Condition or event) when " or " in response to detect (condition or event of statement) ".
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Comprising, so that commodity or system including a series of elements not only include those key elements, but also including without clear and definite
The other element listed, or also include for this commodity or the intrinsic key element of system.In the feelings not limited more
Under condition, the key element that is limited by sentence "including a ...", it is not excluded that in the commodity including the key element or system also
Other identical element be present.
Further what deserves to be explained is, the order in various embodiments of the present invention between each step is adjustable, and is not
It must be performed according to the order of following citing.
The embodiments of the invention provide a kind of image to switch methods of exhibiting, can apply to virtual reality device, such as singly/
Binocular virtual Reality glasses, mono-/bis-display screen virtual reality glasses etc..Method provided in an embodiment of the present invention can also be applied to
The image switching exhibiting device operated on virtual reality device, the device can be the application software for image switching, with
And feature card of related software etc..
It should be noted that in the present embodiment, laid out flat pattern for image that above-mentioned image switching is referred to
Mutual switching between 360 degree of panorama displaying patterns.
As shown in figure 1, method provided in an embodiment of the present invention, comprises the following steps：
S101：The first switching command in response to indicating the displaying pattern from laid out flat pattern switching to panorama, with user
Position is that the centre of sphere draws virtual sphere model, and the inner surface of virtual sphere model includes N number of grid.
When virtual reality device plays multi-media image, it can often be carried out with laid out flat and panorama displaying both of which
Displaying, both of which adapt to different demands.Under laid out flat pattern, multimedia is shown with plane effect, and it brings experience
It is no different with 2D display devices；Under panorama displaying pattern, image can surround a space, and user is in above-mentioned space, entered
And more preferable immersion experience can be obtained.In practical application, it may be necessary to laid out flat pattern and panorama displaying pattern it
Between switch over.
If user intentionally gets the experience of preferable immersion, the first switching command can be sent, with from laid out flat mould
Formula switches to panorama displaying pattern.Alternatively, user can show the operation formats such as certain form by voice, button, body
Send the first switching command.Certainly, the first switching command is not limited to be sent by user, can also be sent out by equipment itself timing
Go out.
When receiving the first switching command, virtual sphere model is established by the centre of sphere of user position it will be appreciated that
, the inner surface of virtual sphere model is for showing image to be rendered.Specifically, the inner surface of virtual sphere model includes N
Individual grid, can be by image rendering to be rendered on grid.Wherein, N is integer, N>1.Alternatively, grid can be triangle
Grid, network and rectangular mesh for being made up of two triangular mesh etc..
S102：Gradually increase the grid shared by image to be rendered, until image to be rendered occupies N number of grid, with each
Rendering for image to be rendered is carried out in the grid determined.
Alternatively, increase the grid shared by image to be rendered, actually amplify the process of image to be rendered, wash with watercolours is treated in amplification
The method of dye image can use interpolation method.
Alternatively, gradually increasing the process of the grid shared by image to be rendered can be：At the first moment, in N number of grid
In M1 grid in render image to be rendered；At the second moment, figure to be rendered is rendered in the M2 grid in N number of grid
Picture, wherein, M1, M2 are integer, N>=M2>M1>1.First moment rendered for the first time after can receiving the first switching command
Moment, now, the second moment can be later moment in time at the time of rendering for the first time.Certainly, the first moment can also be second
Secondary, third time, the 4th time ..., at the time of render, corresponding to the first moment, the second moment can be second, third time,
4th time ..., later moment in time at the time of render.
When at the time of the first moment is rendering for the first time, number of grid M1 value shared by image to be rendered can be 1,
Now M2 can be 4, that is to say, that M2=4*M1.Certainly, other relations, this reality can also be presented in M1 and M2 numerical values recited
Example is applied not enumerate herein.
A specific example is exemplified below, the above-mentioned process gradually rendered is discussed in detail.As illustrated in fig. 2, it is assumed that grid is square
Shape grid, then number of grid shared by image to be rendered is 1 at the time of rendering for the first time, is in second of shared number of grid
4, be 16 in number of grid shared by third time ..., until number of grid shared by image to be rendered is equal to N, i.e., figure to be rendered
As being full of whole virtual sphere model.
, it is necessary to further determine that the position where M1 grid after the quantity M1 of grid is determined.It is alternatively possible to
It is determined as follows：K grid corresponding with preset direction in N number of grid is determined, wherein, K is integer, M1<K<N；From K
M1 centrally located grid is obtained in individual grid.Specifically, it may be predetermined that on virtual sphere model certain point relative to
The direction of the centre of sphere is preset direction, and alternatively, preset direction can be as shown in Figure 3.And then a certain around preset direction set
Angle, θ in grid be K grid corresponding to the preset direction.For example, as shown in figure 4, in Fig. 4 shades institute overlay area
Grid be grid corresponding with preset direction.
Alternatively, M1 grid can also be determined in grid corresponding with the direction of user, with above-mentioned M1 grid
In render image to be rendered.
For M2 grid position, alternatively, the position where M2 grid contains the position where M1 grid
Put, that is to say, that after the position of M1 grid is determined, then increase determines M2-M1 around above-mentioned M1 grid
Grid, using the position as M2 grid.The position of specific M2 grid can be in the region centered on M1 grid
Determined in grid.
It can be seen that pattern is being shown from laid out flat pattern switching to panorama in response to the first switching command in the present embodiment
During, gradually increase grid shared by image to be rendered, being distributed in virtual sphere mold inner surfaces, and in each institute really
Image to be rendered is rendered in the grid made, until image to be rendered occupies all grids of virtual sphere model, then completion is cut
Change.During actually showing, user is in the centre of sphere of virtual sphere model, therefore from the user point of view, in handoff procedure
In image to be rendered gradually amplify, until the inner surface full of whole virtual sphere model forms panoramic effect, and then preferably
The switching being connected between laid out flat pattern and panorama displaying pattern, improves Consumer's Experience.
An optional embodiment is exemplified below, the determination of N number of grid of virtual sphere model in step S101 is discussed in detail
Process.As shown in figure 5, the present embodiment may include steps of：
S201：True edge and predetermined angle variable quantity in virtual sphere model determine N bars side, wherein, benchmark
Side is a radius of virtual sphere model.
As shown in Figure 6, it is assumed that the side on the basis of a radius of the horizontal direction of virtual sphere model, then by true edge with
Rotated centered on the centre of sphere to all directions, when being rotated along a certain fixed-direction, the anglec of rotation often increases predetermined angle and then determines one
Bar side, until determining N bars side.For example, as shown in fig. 6, predetermined angle be 90 degree, make true edge along vertical, horizontal both direction
Rotation, then N bars side can as shown in phantom in Figure 6, respectively n1-n6.
S202：Using the intersection point of N bars side and virtual sphere model sphere as summit, N number of rectangle is determined with reference to the default length of side
Grid.
It should be noted that in the present embodiment, grid can be rectangular mesh, and still, the shape of grid is not limited to
The rectangular mesh enumerated listed by the present embodiment.
Alternatively, summit can correspond to the point in the rectangular mesh upper left corner, the point in the upper right corner, the point in the lower left corner, the lower right corner
Point.What deserves to be explained is if the point in the regulation vertex correspondence rectangular mesh lower left corner, makees each summit in this determination process
Rectangular mesh is determined for the point in the lower left corner.
In actual applications, it is also possible to exist from the demand that panorama displaying pattern switching is laid out flat pattern, if it is desired to
Above-mentioned switching is completed, then user can send the second switching command, in response to the second switching command, gradually reduce image to be rendered
Shared grid, until image to be rendered occupies a grid, to carry out image to be rendered in the grid determined every time
Render.It will be appreciated that the diminution process that the grid shared by image to be rendered is substantially image to be rendered is gradually reduced,
Alternatively image to be rendered can be reduced by down-sampled method.Handoff procedure in the present embodiment is essentially shown in Fig. 1
Step S102 inverse process in embodiment, here is omitted.
Corresponding to above method embodiment, as shown in fig. 7, the embodiment of the present invention also provides a kind of image switching displaying dress
Put, including：Drafting module 710, rendering module 720.
Drafting module 710, in response to indicating to show that the first of pattern switches from laid out flat pattern switching to panorama
Instruction, virtual sphere model is drawn by the centre of sphere of user position, the inner surface of the virtual sphere model includes N number of net
Lattice, wherein, N is integer, N>1.
Rendering module 720, for gradually increasing the grid shared by image to be rendered, until the image to be rendered occupies institute
N number of grid is stated, to carry out rendering for image to be rendered in the grid determined every time.
It can be seen that in handoff procedure, user can see image to be rendered and gradually amplify, until being full of whole virtual sphere
The effect of the inner surface of model, and then the present embodiment can preferably be connected cutting between laid out flat pattern and panorama displaying pattern
Change, and then improve Consumer's Experience.
Alternatively, the rendering module 720, including：First renders submodule 721, second renders submodule 722.
First renders submodule 721, and wash with watercolours is treated for being rendered in the first moment, the M1 grid in N number of grid
Contaminate image.
Second renders submodule 722, described for being rendered in the second moment, the M2 grid in N number of grid
Image to be rendered, wherein, M1, M2 are integer, N>=M2>M1>1.
Alternatively, described device also includes：First determination sub-module 723, acquisition submodule 724.
First determination sub-module 723, for before rendering image to be rendered in the M1 grid in N number of grid, it is determined that
K grid corresponding with preset direction in N number of grid, and trigger described first and render submodule, wherein, K is integer, M1
<K<N。
Acquisition submodule 724, for obtaining the centrally located M1 grid from the K grid.
Alternatively, described device also includes：
Second determination sub-module 725, for before rendering image to be rendered in the M1 grid in N number of grid, with
The M1 grid is determined in grid corresponding to the direction of the user, and triggers described first and renders submodule.
Alternatively, described device also includes：
3rd determination sub-module 726, for before rendering the image to be rendered in the M2 grid in N number of grid,
The M2 grid is determined in the grid centered on the M1 grid, and triggers described second and renders submodule.
Alternatively, the drafting module 710, including：4th determination sub-module 711, the 5th determination sub-module 712.
4th determination sub-module 711, change for the true edge in the virtual sphere model and predetermined angle
Amount determines N bars side, and the true edge is a radius of the virtual sphere model.
5th determination sub-module 712, for using the intersection point on the N bars side and the virtual sphere model sphere as top
Point, N number of rectangular mesh is determined with reference to the default length of side.
Alternatively, described device also includes：
Processing module 730, in response to indicating to show second switching of the pattern switching to laid out flat pattern from panorama
Instruction, gradually reduces the grid shared by the image to be rendered, until the image to be rendered occupies a grid, with each
Rendering for the image to be rendered is carried out in the grid determined.
It should be noted that for device embodiment, because it is substantially similar to embodiment of the method, so describing
Relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
The embodiment of the present invention also provides a kind of storage medium, and the storage medium is used to storing executable instruction, it is described can
Execute instruction is used to be performed to realize image switching methods of exhibiting provided in an embodiment of the present invention.
As shown in figure 8, the embodiment of the present invention also provides a kind of virtual reality device, the virtual reality device includes：
Processor 810, memory 820；
The memory 820 is used to store executable instruction；
The executable instruction that the processor 810 is stored by performing in the memory 820 realizes that the present invention is implemented
The image switching methods of exhibiting that example provides.
Because above-mentioned virtual reality device performs image switching methods of exhibiting provided in an embodiment of the present invention, therefore, cutting
During changing, user can see image to be rendered and gradually amplify, until the effect of the inner surface full of whole virtual sphere model
Fruit, and then the switching that can be preferably connected between laid out flat pattern and panorama displaying pattern, improve Consumer's Experience.
Alternatively, virtual reality device provided in an embodiment of the present invention can also include：Communication interface 830, communication interface
830 are used to realize virtual reality device and outside communication.
The virtual reality device that some embodiments of the invention provide can be to wear display device, in particular circumscribed head
Wear display device or integral type wears display device, wherein circumscribed is worn display device and needed and external treatment system (example
Such as computer processing system) it is used cooperatively.
Fig. 9 shows the inside configuration structure schematic diagram that display device 900 is worn in some embodiments.
Display unit 901 can include display panel, and display panel, which is arranged on, to be worn on display device 900 towards user plane
The side surface in portion can be an entire panel or be the left panel and right panel for corresponding to user's left eye and right eye respectively.Display
Panel can be electroluminescent (EL) element, liquid crystal display or have the miniscope of similar structures or retina can
Directly display or similar laser scan type display.
Virtual image optical unit 902 shoots the image shown by display unit 901 in an exaggerated way, and allows user to press
Image shown by the virtual image observation of amplification.Can be from content as the display image being output on display unit 901
The image for the virtual scene that reproduction equipment (Blu-ray Disc or DVD player) or streaming media server provide or use are outside
The image for the reality scene that camera 910 is shot.In some embodiments, virtual image optical unit 902 can include lens unit,
Such as spherical lens, non-spherical lens, Fresnel Lenses etc..
Input operation unit 903 include it is at least one be used for performing the functional unit of input operation, such as button, button,
Switch or other there is the parts of similar functions, user instruction is received by functional unit, and export to control unit 907
Instruction.
State information acquisition unit 904 is used for the status information for obtaining the user that wearing wears display device 900.State is believed
Breath acquiring unit 904 can include various types of sensors, detect status information for itself, and can pass through communication unit
905 obtain status information from external equipment (such as other multi-functional terminal ends of smart mobile phone, watch and user's wearing).State is believed
Breath acquiring unit 904 can obtain the positional information and/or attitude information on the head of user.State information acquisition unit 904 can
With including gyro sensor, acceleration transducer, global positioning system (GPS) sensor, geomagnetic sensor, Doppler effect
One or more in sensor, infrared sensor, radio-frequency field intensity sensor.In addition, state information acquisition unit 904 obtains
Take wearing to wear the status information of the user of display device 900, such as obtain the mode of operation of such as user (whether user dresses
Wear display device 900), the operating state of user (it is such as static, walk, run and such mobile status, hand or refer to
Point posture, eyes open or closed state, direction of visual lines, pupil size), the state of mind (user whether be immersed in observation shows
The image shown and the like), or even physiological status.
Communication unit 905 performs the coding with the communication process of external device (ED), modulation and demodulation processing and signal of communication
And decoding process.In addition, control unit 907 can send transmission data from communication unit 905 to external device (ED).Communication mode can
To be wired or wireless, such as mobile high definition link (MHL) or USB (USB), high-definition media interface
(HDMI), Wireless Fidelity (Wi-Fi), Bluetooth communication or low-power consumption bluetooth communication, and the mesh network of IEEE802.11s standards
Deng.In addition, communication unit 905 can be according to WCDMA (W-CDMA), Long Term Evolution (LTE) and similar standard operation
Cellular radio transceiver.
In some embodiments, memory cell can also be included by wearing display device 900, and memory cell 906 is arranged to have
There is the mass-memory unit of solid-state drive (SSD) etc..In some embodiments, memory cell 906 can store application program
Or various types of data.For example, user can be stored in memory cell 906 using the content for wearing the viewing of display device 900
In.
In some embodiments, control unit can also be included by wearing display device 900, and control unit 907 can include meter
Calculation machine processing unit (CPU) or other there is the equipment of similar functions.In some embodiments, control unit 907 can be used for
The application program that memory cell 906 stores is performed, or control unit 907 can be also used for performing the application some embodiments public affairs
The circuit of method, function and the operation opened.
Graphics processing unit 908 is used to perform signal transacting, for example the picture signal to being exported from control unit 907 is related
Image quality correction, and by its conversion of resolution be the resolution ratio according to the screen of display unit 901.Then, display is driven
Moving cell 909 selects the often row pixel of display unit 901 successively, and scans the often row pixel of display unit 901 successively line by line, because
And provide the picture element signal based on the picture signal through signal transacting.
In some embodiments, external camera can also be included by wearing display device 900.External camera 910 can be arranged on
900 main body front surface of display device is worn, external camera 910 can be one or more.External camera 910 can obtain three
Information is tieed up, and is also used as range sensor.In addition, the position sensitive detector of reflected signal of the detection from object
(PSD) or other kinds of range sensor can be used together with external camera 910.External camera 910 and Distance-sensing
Device can be used for body position, posture and the shape that detection wearing wears the user of display device 900.In addition, under certain condition
User can pass through the direct viewing of external camera 910 or preview reality scene.
In some embodiments, sound processing unit can also be included by wearing display device 900, and sound processing unit 911 can
Amplified with performing the correction of the sound quality of the voice signal exported from control unit 907 or sound, and input audio signal
Signal transacting etc..Then, sound I/O unit 912 comes from wheat after acoustic processing to outside output sound and input
The sound of gram wind.
It should be noted that structure or part in Fig. 9 shown in dotted line frame can independently of wear display device 900 it
Outside, such as it can be arranged in external treatment system (such as computer system) and be used cooperatively with wearing display device 900；Or
Person, structure or part shown in dotted line frame, which can be arranged on, to be worn on the inside of display device 900 or surface.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (9)
1. a kind of image switches methods of exhibiting, it is characterised in that including：
In response to indicate from laid out flat pattern switching to panorama show pattern the first switching command, using user position as
The centre of sphere draws virtual sphere model, and the inner surface of the virtual sphere model includes N number of grid, wherein, N is integer, N>1；
Gradually increase the grid shared by image to be rendered, until the image to be rendered occupies N number of grid, with every time really
Rendering for image to be rendered is carried out in the grid made.
2. according to the method for claim 1, it is characterised in that the grid gradually increased shared by image to be rendered, directly
N number of grid is occupied to the image to be rendered, to carry out rendering for image to be rendered in the grid determined every time, bag
Include：
Image to be rendered is rendered in the first moment, the M1 grid in N number of grid；
The image to be rendered is rendered in the second moment, the M2 grid in N number of grid, wherein, M1, M2 are whole
Number, N>=M2>M1>1.
3. according to the method for claim 2, it is characterised in that rendered in the M1 grid in N number of grid
Before image to be rendered, in addition to：
K grid corresponding with preset direction in N number of grid is determined, wherein, K is integer, M1<K<N；
The centrally located M1 grid is obtained from the K grid.
4. according to the method for claim 2, it is characterised in that rendered in the M1 grid in N number of grid
Before image to be rendered, in addition to：
The M1 grid is determined in grid corresponding with the direction of the user.
5. the method according to any one of claim 2 to 4, it is characterised in that the M2 in N number of grid
Before the image to be rendered is rendered in grid, in addition to：
The M2 grid is determined in the grid centered on the M1 grid.
6. method according to any one of claim 1 to 4, it is characterised in that described using user position as the centre of sphere
Virtual sphere model is drawn, the inner surface of the virtual sphere model includes N number of grid, including：
True edge and predetermined angle variable quantity in the virtual sphere model determine N bars side, and the true edge is institute
State a radius of virtual sphere model；
Using the intersection point of the N bars side and the virtual sphere model sphere as summit, N number of rectangle net is determined with reference to the default length of side
Lattice.
7. method according to any one of claim 1 to 4, it is characterised in that methods described also includes：In response to instruction
Show that pattern switching to the second switching command of laid out flat pattern, gradually reduces the net shared by the image to be rendered from panorama
Lattice, until the image to be rendered occupies a grid, to carry out the image to be rendered in the grid determined every time
Render.
8. a kind of storage medium, it is characterised in that the storage medium is used to store executable instruction, and the executable instruction is used
Methods of exhibiting is switched with image of the realization as described in any one of claim 1 to 7 in being performed.
9. a kind of virtual reality device, it is characterised in that the virtual reality device includes：
Processor, memory；
The memory is used to store executable instruction；
The executable instruction that the processor is stored by performing in the memory is realized such as any one of claim 1 to 7
Described image switching methods of exhibiting.
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