CN101686334A - Method and device for acquiring three-dimensional image scene - Google Patents
Method and device for acquiring three-dimensional image scene Download PDFInfo
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- CN101686334A CN101686334A CN200810223258A CN200810223258A CN101686334A CN 101686334 A CN101686334 A CN 101686334A CN 200810223258 A CN200810223258 A CN 200810223258A CN 200810223258 A CN200810223258 A CN 200810223258A CN 101686334 A CN101686334 A CN 101686334A
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Abstract
The embodiment of the invention discloses a method and a device for acquiring a three-dimensional image scene. The method for acquiring the three-dimensional image scene comprises the steps of settinga virtual scene and acquiring the three-dimensional image scene according to a three-dimensional image model and the virtual scene. In the embodiment of the invention, the high-quality three-dimensional image scene can be generated according to the three-dimensional image model and the virtual scene, and accordingly the production quality of a virtual studio system can be improved.
Description
Technical field
The present invention relates to field of computer technology, relate in particular to a kind of three-dimensional image scene acquisition methods and device.
Background technology
(The Virtual Studio System is in recent years along with fast development of computer technology and updating of chroma key technique and a kind of new tv program producing system that occurs VSS) to Virtual Studio System.
Typical Virtual Studio System is made up of equipment such as picture pick-up device, the analysis of camera position parameter and control, graphic computer, background material storehouse and image are synthetic.The simple block diagram that virtual studio program making system constitutes as shown in Figure 1.
The performer is taken by real camera in lan settings, and as shown in Figure 1 the background image record and the generation system that comprise graphic computer and material database are called virtual video camera.Real video camera and virtual video camera are bound all the time.Therefore, need to determine the location parameter of real camera, comprise that the locus of real camera in the studio, the kinematic parameter and the camera lens of video camera are provided with parameter.Wherein, the kinematic parameter of video camera comprises parameters such as inclination, rotation and upset, and the camera lens of video camera is provided with parameter and comprises parameters such as zoom, focusing and aperture.
All these data all are admitted in the computer and analyze, and generate the background image that keeps correct perspective relation with foreground image in real time.Then, foreground image (comprising performer, real scene and stage property) carries out flawless synthesizing with the background image that computer generates by the chroma key controller, generates the 3-D view scene.The image of output can directly broadcast or be recorded on the storage medium.
No matter be early stage two-dimensional virtual studio system or nowadays state-of-the-art three-dimensional virtual studio system, its core technology all be unable to do without video camera and follows the tracks of and this 2 point of graph rendering.The accuracy that video camera is followed the tracks of has determined the making quality good or not of a whole set of Virtual Studio System.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art: the three-dimensional scenic of image is made of poor quality, has reduced the making quality of a whole set of Virtual Studio System.
Summary of the invention
The embodiment of the invention provides a kind of three-dimensional image scene acquisition methods and device, to realize obtaining high-quality three-dimensional image scene, improves the making quality of Virtual Studio System.
The embodiment of the invention provides a kind of three-dimensional image scene acquisition methods, may further comprise the steps:
Make the three-dimensional image model of band texture;
Virtual scene is set;
Obtain three-dimensional image scene according to described threedimensional model and virtual scene.
Wherein, the three-dimensional image model of described making band texture comprises:
Images acquired depth information and texture information;
Handle the three-dimensional image model that described picture depth information and texture information generate the band texture.
The described virtual scene that is provided with is specially:
Generate virtual scene according to the parameter condition that sets in advance, the described parameter condition that sets in advance is by described picture depth information and texture information decision.
Obtaining three-dimensional image scene according to described threedimensional model and virtual scene comprises:
Described threedimensional model is joined described virtual scene;
Utilize the parameter condition of described virtual scene and the relation of described picture depth information and texture information to generate three-dimensional image scene.
The embodiment of the invention also provides a kind of three-dimensional image scene deriving means, comprising:
The modelling unit is used to make the three-dimensional image model of being with texture;
The scene setting unit is used to be provided with virtual scene;
Three-dimensional generation unit is used for obtaining three-dimensional image scene according to the threedimensional model of described modelling unit making and the virtual scene of scene setting unit setting.
Wherein, described modelling unit comprises:
The information gathering subelement is used for images acquired depth information and texture information;
Model generates subelement, is used to handle the three-dimensional image model of described picture depth information and texture information generation band texture.
Wherein, described three-dimensional generation unit comprises:
Add subelement, be used for described threedimensional model is joined described virtual scene;
The scene subelement is used to utilize the parameter condition of described virtual scene and the relation of described picture depth information and texture information to generate three-dimensional image scene.
Compared with prior art, the embodiment of the invention has the following advantages at least:
The embodiment of the invention generates high-quality three-dimensional image scene according to the three-dimensional scenic that the threedimensional model and the virtual scene of image obtains image, and then improves the making quality of Virtual Studio System.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of virtual studio program making system in the prior art;
The schematic flow sheet of the method that Fig. 2 provides for the embodiment of the invention;
Another schematic flow sheet of the method that Fig. 3 provides for the embodiment of the invention;
The structural representation of the device that Fig. 4 provides for the embodiment of the invention;
Another structural representation of the device that Fig. 5 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of three-dimensional image scene acquisition methods, as shown in Figure 2, may further comprise the steps:
Step s201 makes the three-dimensional image model of being with texture;
Step s202 is provided with virtual scene;
Step s203 obtains three-dimensional image scene according to the threedimensional model of step s201 making and the virtual scene of step s202 setting.
The method that adopts the embodiment of the invention to provide, the three-dimensional scenic according to the threedimensional model and the virtual scene of image obtains image generates high-quality three-dimensional image scene, and then improves the making quality of Virtual Studio System.
The embodiment of the invention provides a kind of three-dimensional image scene acquisition methods, as shown in Figure 3, may further comprise the steps:
Step s301 makes the three-dimensional image model of being with texture;
Utilize binocular camera, obtain the picture depth information and the true color image texture information of same direction of observation up-sampling point, sampling point information comprise six-freedom degree (x, y, z, u, v, c).Wherein: (x, y, z) three dimensional space coordinate of expression point; (u, the v) texture coordinate of expression point; C represents color value a little, it comprise again (R, G, B), i.e. three components of red, green, blue.
By the six-freedom degree information of sampled point is set, set up the corresponding relation between picture depth information and the image texture information, when the various visual angles depth image is synthetic, carry out the fusion of the texture image of various visual angles, rebuild the three-dimensional image model of subsidiary texture information.
Step s302 is provided with virtual scene;
Generate virtual scene according to the parameter condition that sets in advance, the described parameter condition that sets in advance is by described picture depth information and texture information decision.
Step s303, the threedimensional model that step s301 is made joins the virtual scene that step s302 is provided with.
Step s304 generates three-dimensional image scene.
The method that adopts the embodiment of the invention to provide, the three-dimensional scenic according to the threedimensional model and the virtual scene of image obtains image generates high-quality three-dimensional image scene, and then improves the making quality of Virtual Studio System.
The embodiment of the invention provides a kind of three-dimensional image scene deriving means, as shown in Figure 4, comprising:
Three-dimensional generation unit 43 is used for obtaining three-dimensional image scene according to the threedimensional model of modelling unit 41 making and the virtual scene of scene setting unit 42 settings.
By the device that adopts the embodiment of the invention to provide, the three-dimensional scenic according to the threedimensional model and the virtual scene of image obtains image generates high-quality three-dimensional image scene, and then improves the making quality of Virtual Studio System.
As shown in Figure 5, modelling unit 41 can comprise:
Model generates subelement 412, is used to handle the three-dimensional image model of described picture depth information and texture information generation band texture.
By the six-freedom degree information of sampled point is set, set up the corresponding relation between picture depth information and the image texture information, when the various visual angles depth image is synthetic, carry out the fusion of the texture image of various visual angles, rebuild the three-dimensional image model of subsidiary texture information.
Three-dimensional generation unit 43 comprises:
Add subelement 431, be used for the threedimensional model that modelling unit 41 makes is joined the virtual scene that scene setting unit 42 is provided with;
The device that adopts the embodiment of the invention to provide, the three-dimensional scenic according to the threedimensional model and the virtual scene of image obtains image generates high-quality three-dimensional image scene, and then improves the making quality of Virtual Studio System.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1, a kind of three-dimensional image scene acquisition methods is characterized in that, may further comprise the steps:
Make the three-dimensional image model of band texture;
Virtual scene is set;
Obtain three-dimensional image scene according to described threedimensional model and virtual scene.
2, the method for claim 1 is characterized in that, the three-dimensional image model of described making band texture comprises:
Images acquired depth information and texture information;
Handle the three-dimensional image model that described picture depth information and texture information generate the band texture.
3, the method for claim 1 is characterized in that, the described virtual scene that is provided with is specially:
Generate virtual scene according to the parameter condition that sets in advance, the described parameter condition that sets in advance is by described picture depth information and texture information decision.
4, the method for claim 1 is characterized in that, obtains three-dimensional image scene according to described threedimensional model and virtual scene and comprises:
Described threedimensional model is joined described virtual scene;
Utilize the parameter condition of described virtual scene and the relation of described picture depth information and texture information to generate three-dimensional image scene.
5, a kind of three-dimensional image scene deriving means is characterized in that, comprising:
The modelling unit is used to make the three-dimensional image model of being with texture;
The scene setting unit is used to be provided with virtual scene;
Three-dimensional generation unit is used for obtaining three-dimensional image scene according to the threedimensional model of described modelling unit making and the virtual scene of scene setting unit setting.
6, device as claimed in claim 5 is characterized in that, described modelling unit comprises:
The information gathering subelement is used for images acquired depth information and texture information;
Model generates subelement, is used to handle the three-dimensional image model of described picture depth information and texture information generation band texture.
7, device as claimed in claim 5 is characterized in that, described three-dimensional generation unit comprises:
Add subelement, be used for described threedimensional model is joined described virtual scene;
The scene subelement is used to utilize the parameter condition of described virtual scene and the relation of described picture depth information and texture information to generate three-dimensional image scene.
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| CN200810223258A CN101686334A (en) | 2008-09-28 | 2008-09-28 | Method and device for acquiring three-dimensional image scene |
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| CN200810223258A CN101686334A (en) | 2008-09-28 | 2008-09-28 | Method and device for acquiring three-dimensional image scene |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177475A (en) * | 2013-03-04 | 2013-06-26 | 腾讯科技（深圳）有限公司 | Method and system for showing streetscape maps |
| CN103258346A (en) * | 2013-04-24 | 2013-08-21 | 苏州华漫信息服务有限公司 | Three-dimension shooting and printing system |
| CN105913485A (en) * | 2016-04-06 | 2016-08-31 | 北京小小牛创意科技有限公司 | Three-dimensional virtual scene generation method and device |
| CN113421322A (en) * | 2021-03-19 | 2021-09-21 | 贵州北斗空间信息技术有限公司 | Model multiplexing method and system under three-dimensional scene |
| CN117197319A (en) * | 2023-11-07 | 2023-12-08 | 腾讯科技（深圳）有限公司 | Image generation method, device, electronic equipment and storage medium |
-
2008
- 2008-09-28 CN CN200810223258A patent/CN101686334A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177475A (en) * | 2013-03-04 | 2013-06-26 | 腾讯科技（深圳）有限公司 | Method and system for showing streetscape maps |
| WO2014135022A1 (en) * | 2013-03-04 | 2014-09-12 | 腾讯科技（深圳）有限公司 | Street view map display method and system |
| CN103258346A (en) * | 2013-04-24 | 2013-08-21 | 苏州华漫信息服务有限公司 | Three-dimension shooting and printing system |
| CN105913485A (en) * | 2016-04-06 | 2016-08-31 | 北京小小牛创意科技有限公司 | Three-dimensional virtual scene generation method and device |
| US10740963B2 (en) | 2016-04-06 | 2020-08-11 | Beijing Xiaoxiaoniu Creative Technologies Ltd | 3D virtual environment generating method and device |
| CN113421322A (en) * | 2021-03-19 | 2021-09-21 | 贵州北斗空间信息技术有限公司 | Model multiplexing method and system under three-dimensional scene |
| CN117197319A (en) * | 2023-11-07 | 2023-12-08 | 腾讯科技（深圳）有限公司 | Image generation method, device, electronic equipment and storage medium |
| CN117197319B (en) * | 2023-11-07 | 2024-03-22 | 腾讯科技（深圳）有限公司 | Image generation method, device, electronic equipment and storage medium |
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Open date: 20100331 |