CN106651759A - VR (Virtual Reality) scene optimization method and device based on fixed position camera - Google Patents
VR (Virtual Reality) scene optimization method and device based on fixed position camera Download PDFInfo
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- CN106651759A CN106651759A CN201611186083.3A CN201611186083A CN106651759A CN 106651759 A CN106651759 A CN 106651759A CN 201611186083 A CN201611186083 A CN 201611186083A CN 106651759 A CN106651759 A CN 106651759A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/04—Context-preserving transformations, e.g. by using an importance map
- G06T3/047—Fisheye or wide-angle transformations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/08—Projecting images onto non-planar surfaces, e.g. geodetic screens
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Abstract
The invention discloses a VR (Virtual Reality) scene optimization method based on a fixed position camera. The method comprises the steps of establishing a panoramic picture, wherein a viewpoint position of the panoramic picture is consistent with that of a user in a final application or game; mapping the panoramic picture into a skybox; and setting the skybox to a VR scene. According to the VR scene optimization method and the VR scene optimization device, an immobilized light shadow in the scene is projected into the panoramic picture, then a previous complex scene is replaced with the picture when the application or the game is loaded, therefore, the application or the game does not need to spend extra overhead for a complex scene modeling shadowing effect, and the same effect is achieved by loading one picture with only a few resources. The consumption of a CPU (Central Processing Unit) or a GPU (Graphics Processing Unit) is greatly reduced while giving real virtual immersed experience to the user, and the real and smooth application and game experience is provided to the user.
Description
Technical field
The present invention relates to VR video technique fields, more particularly to a kind of VR scene optimization sides based on fixed position camera
Method and device.
Background technology
On the non-high-end hardware device such as mobile phone, VR applications, the performance of game and actual experience are mutually limited.It is more real
Experience needs model to have more real shade of more details etc., and these cost is plus heavy equipment cpu causes with gpu burdens
Frame number declines affects performance, and even with family obvious interim card and dizzy is felt.
Under some specific and common situations, that is, when the camera applied or play is that fixed position is irremovable, at this
Under part, user sees that at any time the scene observed to the same direction of scene does not change.So multiple again in scene
What as long as miscellaneous model detail was not changed in can be replaced with picture.
Typically there are following two modes in prior art：
Simplify scene during a kind of scheme using day sylphon, this method needs fine arts personnel by the model scene for establishing
Six pictures are generated by professional software, using this six pictures day sylphon is generated.
Also a kind of scheme is to simplify the model detail in scene, and this method under normal circumstances can be by unnecessary three-dimensional
Model simplification, unconspicuous model will be shown with low mould at a distance, and reduce the quality of pattern pinup picture is reduced to equipment with this
Performance pin consumes.
But, day sylphon simplifies the method for scene needs professional artistic design to assist to complete, and can only be with three-dimensional
Realizing building for scene, the input of requirement and manpower of this mode to technology all compares what is developed during Datong District to the mode of modeling
Cycle also can be long, and if the effect of not clear enough so final day sylphon true to nature that three-dimensional modeling is built also is not so good as people
Meaning.
And the method for simplifying model of place has the shortcomings that same with a upper method, fine arts personnel input is needed also exist for a large amount of
Time and energy.And the model for simplifying appears to have obvious corner angle in user has larger difference with the things of reality,
Serious have impact on the immersion experience for being applied to play.
Separately, both solutions are required for fine arts librarian use professional software to complete, therefore difficult to realize by user
Free change scene.
The content of the invention
The purpose of the present invention is to be directed to technological deficiency present in prior art, and provides a kind of based on fixed position camera
VR scene optimization method and devices.
To realize that the technical scheme that the purpose of the present invention is adopted is：
A kind of VR scene optimization methods based on fixed position camera, including,
Panoramic pictures are set up, wherein, the viewpoint position of user in the viewpoint position and final application of panoramic pictures or game
Unanimously；
Described panoramic pictures are mapped as into a day sylphon；
Day sylphon is arranged and gives VR scenes.
Described panoramic pictures are generated by modeling software or shot by capture apparatus and generate.
A kind of VR scene optimization devices based on fixed position camera, including,
Panoramic pictures generation module, to generate panoramic pictures, wherein, the viewpoint position and final application of panoramic pictures or
The viewpoint position of user is consistent in game；
Mapping block, described panoramic pictures are mapped as into a day sylphon；
Configuration module, day sylphon to be arranged VR scenes are given.
Described panoramic pictures are generated by modeling software or shot by capture apparatus and generate.
Described modeling software is 3DMax.
Compared with prior art, the invention has the beneficial effects as follows：
The present invention by the way that fixed model shadow etc. in scene is projected into a Zhang Quanjing picture, then when application or
Complicated scene before being replaced with this pictures during game loading, it need not be just complicated scene modeling light so to apply or plays
Shadow effect spends extra expense, it is only necessary to takes little resource and goes one pictures of loading just to reach identical effect.
Give the consumption that cpu and gpu are greatly reduced while the real virtual immersion of user is experienced, there is provided i.e. true and smooth to user
Application and game experiencing.
Description of the drawings
Fig. 1 show the structural representation of the VR scene optimization methods based on fixed position camera of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
As shown in figure 1, VR scene optimization method of the present invention based on fixed position camera, including,
Step 101, sets up panoramic pictures, wherein, the viewpoint position of panoramic pictures will be with user in final application or game
Viewpoint position it is consistent；
Wherein, panoramic pictures are a kind of virtual reality technologies based on image, and he can provide compared with general picture
There is no the 3 D stereo perception of visual dead angle to user, he can be supplied to user more really to immerse compared with three-dimensional modeling
Experience, and make simple, data volume is little, low to the performance requirement of cell phone system, is adapted to be used in various terminal equipment.
Panoramic pictures can be using panorama camera shooting or the equipment of other pictures that can pan, it would however also be possible to employ often
With modeling software generating.As follows panoramic pictures generation method is illustrated with 3DMax softwares.
1. vary plug-in units are installed in 3DMax.
2. making needs simplified scene
3. video camera is set in scene, and the position of video camera will be with the viewpoint position one of user in final application or game
Cause.
4. it is spherical camera type to be selected, and it is 360 degree to choose the covering visual field.
5. click on output button and generate panoramic pictures.
Described panoramic pictures are mapped as a day sylphon by step 102；
Cubic covering methodi can be the computational methods being mapped to a spherical texture on hexahedron box, and general principle is
Obtain cubical reflective vector and panoramic pictures are mapped into cuboid box to reach come described panoramic pictures of correctly sampling
On.
Such as sketch operating procedure by taking Unity editing machines as an example.
1. the panoramic pictures for previous step being generated import unity editing machines
2. it is cubemap picture/mb-type to be selected, and mapped mode selects to be cylindrical
3. a day sylphon is set up, and shader selects to be skybox/cubemap, and in cubemap options previous step is selected
In picture.
Step 103, day sylphon is arranged and gives VR scenes, will scene day sylphon (skybox) be arranged to previous step generation
Day sylphon.Day sylphon is generally a cube in exploitation of the application with game, and panoramic pictures are mapped into cube box
On son the technical program can easily used and transplanting.
The present invention by the way that fixed model shadow etc. in scene is projected into a Zhang Quanjing picture, then when application or
Complicated scene before being replaced with this pictures during game loading, it need not be just complicated scene modeling light so to apply or plays
Shadow effect spends extra expense, it is only necessary to takes little resource and goes one pictures of loading just to reach identical effect.
Meanwhile, the invention also discloses a kind of VR scene optimization devices based on fixed position camera, including,
Panoramic pictures generation module, to generate panoramic pictures, wherein, the viewpoint position of panoramic pictures is wanted and final application
Or game in user viewpoint position it is consistent；Described panoramic pictures are generated or panoramic picture shooting by modeling software, such as 3DMax
Equipment shoots and generates.
Mapping block, described panoramic pictures are mapped as into a day sylphon；
Configuration module, day sylphon to be arranged VR scenes are given.
The present invention realizes the simplification to scene by the way of panoramic pictures.This technical scheme is except reaching other
The scene optimization effect that two methods are reached, and this and the time of being split into can be reduced, and panoramic pictures can be clapped by camera
Take the photograph and complete, so also to user's change scene provide may, reduce cost and time, and change that scene provides for user can
Energy.The technical program replaces the method for 6 pictures is usually used to optimize VR scenes using panoramic pictures.Reduce mobile phone
The purpose of equipment cpu, gpu power consumption, and cost and the time of exploitation can be shortened, and provide to user's modification scene possible.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of VR scene optimization methods based on fixed position camera, it is characterised in that include,
Panoramic pictures are set up, wherein, the viewpoint position of panoramic pictures is consistent with the viewpoint position of user in final application or game；
Described panoramic pictures are mapped as into a day sylphon；
Day sylphon is arranged and gives VR scenes.
2. the VR scene optimization methods of fixed position camera are based on as claimed in claim 1, it is characterised in that described panorama
Picture is generated by modeling software or shot by capture apparatus and generates.
3. a kind of VR scene optimization devices based on fixed position camera, it is characterised in that include,
Panoramic pictures generation module, to generate panoramic pictures, wherein, the viewpoint position and final application of panoramic pictures or game
The viewpoint position of middle user is consistent；
Mapping block, described panoramic pictures are mapped as into a day sylphon；
Configuration module, day sylphon to be arranged VR scenes are given.
4. the VR scene optimization devices of fixed position camera are based on as claimed in claim 3, it is characterised in that described panorama
Picture is generated by modeling software or shot by capture apparatus and generates.
5. the VR scene optimization devices of fixed position camera are based on as claimed in claim 3, it is characterised in that described modeling
Software is 3DMax.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611186083.3A CN106651759A (en) | 2016-12-21 | 2016-12-21 | VR (Virtual Reality) scene optimization method and device based on fixed position camera |
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| CN201611186083.3A CN106651759A (en) | 2016-12-21 | 2016-12-21 | VR (Virtual Reality) scene optimization method and device based on fixed position camera |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107545040A (en) * | 2017-08-04 | 2018-01-05 | 深圳航天智慧城市系统技术研究院有限公司 | A kind of method and system of the label direction in Computerized three-dimensional geographic information scene |
| CN108492354A (en) * | 2018-03-13 | 2018-09-04 | 北京农业智能装备技术研究中心 | A kind of methods of exhibiting and system of Agricultural Park scene |
| CN108648257A (en) * | 2018-04-09 | 2018-10-12 | 腾讯科技（深圳）有限公司 | Acquisition methods, device, storage medium and the electronic device of panorama |
| CN111045664A (en) * | 2019-11-21 | 2020-04-21 | 珠海剑心互动娱乐有限公司 | Method and system for acquiring visual parameters of scene object |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107545040A (en) * | 2017-08-04 | 2018-01-05 | 深圳航天智慧城市系统技术研究院有限公司 | A kind of method and system of the label direction in Computerized three-dimensional geographic information scene |
| CN107545040B (en) * | 2017-08-04 | 2020-09-08 | 深圳航天智慧城市系统技术研究院有限公司 | Method and system for marking direction in three-dimensional geographic information scene of computer |
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| CN108648257A (en) * | 2018-04-09 | 2018-10-12 | 腾讯科技（深圳）有限公司 | Acquisition methods, device, storage medium and the electronic device of panorama |
| CN111045664A (en) * | 2019-11-21 | 2020-04-21 | 珠海剑心互动娱乐有限公司 | Method and system for acquiring visual parameters of scene object |
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