CN110740310A - virtual scene roaming method, system, device, equipment and computer medium - Google Patents
virtual scene roaming method, system, device, equipment and computer medium Download PDFInfo
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- CN110740310A CN110740310A CN201910931245.9A CN201910931245A CN110740310A CN 110740310 A CN110740310 A CN 110740310A CN 201910931245 A CN201910931245 A CN 201910931245A CN 110740310 A CN110740310 A CN 110740310A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/261—Image signal generators with monoscopic-to-stereoscopic image conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/122—Improving the 3D impression of stereoscopic images by modifying image signal contents, e.g. by filtering or adding monoscopic depth cues
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Abstract
The application discloses virtual scene roaming method, system, device, equipment and computer media, wherein a scene image obtained after 720-degree shooting of a target scene by a camera device is obtained, the scene image is converted into a cube map in the form of a cube map, and the cube map is rendered to obtain a virtual scene roaming map of the target scene.
Description
Technical Field
The present application relates to the field of image processing technologies, and in particular, to virtual scene roaming methods, systems, apparatuses, devices, and computer media.
Background
Currently, with the development of VR (virtual Reality) technology, VR technology is applied to more and more service scenes, and in the application of VR technology, virtual scene roaming needs to be implemented, whereas in the prior art, generally implements virtual scene roaming in two ways.
is to shoot space by a panoramic camera device at least comprising two cameras, wherein the sum of the visual angles of all the cameras is larger than or equal to 360-degree spherical visual angle, the combination of the pictures shot by different cameras is modified by image processing software after the shot images are transmitted to a terminal, then the pictures shot by different cameras are smoothly combined to generate 360-degree panoramic pictures, but the 360-degree panoramic pictures are 2D pictures essentially.
The second method is to render a scene in real time based on the UE4 or the Unity 3D rendering engine, and can realize roaming the scene freely, but this method is very high in consumption due to real-time rendering, high in requirement on hardware configuration performance of the application device, and high in resource occupation ratio.
In summary, how to improve the immersion of virtual scene roaming and reduce the consumed resources is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The purpose of this application is to provide kinds of virtual scene roaming methods, which can solve the technical problem of how to improve the immersion of virtual scene roaming and reduce the consumed resources on the degree of fixation, the application also provides kinds of virtual scene roaming systems, devices and computer readable storage media.
In order to achieve the above purpose, the present application provides the following technical solutions:
A virtual scene roaming method, comprising:
acquiring a scene image obtained after a target scene is shot by a camera at 720 degrees;
converting the scene image into a cube map in the form of a cube map;
rendering the cube map to obtain a virtual scene roaming map of the target scene.
Preferably, the converting the scene image into a cube map in the form of a cube map includes:
extracting an object image of each scene object in the scene image and a background image in the scene image;
mapping the scene image describing the same scene object to six faces of the blank cube map to obtain a corresponding object stereo image;
mapping the background image describing the same background to six faces of the blank cube map to obtain a corresponding background stereo image;
and arranging and combining the object stereo image and the background stereo image according to the relative relation of the scene object and the background in the scene image to obtain the cube image.
Preferably, the rendering the cube map includes:
and rendering the cube map through a browser.
Preferably, the rendering the cube map by the browser includes:
acquiring the resolution of the browser;
converting the cube map into a converted perspective map corresponding to the resolution;
rendering the converted perspective view through the browser.
Preferably, after the rendering the cube map and obtaining the virtual scene roaming map of the target scene, the method further includes:
receiving movement information of a moving cursor;
and performing mobile display on the virtual scene roaming graph according to the mobile information.
Preferably, the converting the scene image into a cube map in the form of a cube map includes:
and converting the scene image into the cube map by a webgl technology.
A virtual scene roaming system, comprising:
an th acquisition module, configured to acquire a scene image obtained by the imaging device capturing 720 degrees of a target scene;
conversion module, for converting the scene image into cube map in cube map form;
and , a rendering module, configured to render the cube map to obtain a virtual scene roaming map of the target scene.
A virtual scene roaming device, comprising:
the image pickup device is used for carrying out 720-degree shooting on a target scene to obtain a corresponding scene image;
and the processor is connected with the camera device and used for acquiring the scene image, converting the scene image into a cube map in a cube map form, and rendering the cube map to obtain a virtual scene roaming map of the target scene.
A virtual scene roaming device, comprising:
a memory for storing a computer program;
a processor adapted to perform the steps of the virtual scene roaming method of any of above when the computer program is executed.
computer readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the virtual scene roaming method of any of above.
The virtual scene roaming method comprises the steps of obtaining a scene image obtained after a camera device shoots a target scene at 720 degrees, converting the scene image into a cube map in the form of a cube map, rendering the cube map to obtain a virtual scene roaming map of the target scene, obtaining the scene image obtained after the camera device shoots the target scene at 720 degrees, namely obtaining the scene image which can be connected end to form cube maps, only needing the camera device to shoot at 720 degrees, having low shooting requirements and less consumed resources, converting the scene image into the cube map in the form of the cube map, converting the cube map into the cube map due to the fact that the cube map and human eyes are complementary, being convenient for human eye observation and good in immersion, rendering the cube map to obtain the virtual scene roaming map of the target scene, and solving the corresponding readable technical problems.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of virtual scene roaming methods according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of virtual scene roaming systems according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of types of virtual scene roaming devices according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of types of virtual scene roaming devices according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of another of types of virtual scene roaming devices according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application , rather than all embodiments.
Currently, with the development of VR (virtual Reality) technology, VR technology is applied to more and more service scenes, and in the application of VR technology, virtual scene roaming needs to be implemented, whereas in the prior art, generally implements virtual scene roaming in two ways.
, a space is shot by a panoramic camera device at least comprising two cameras, wherein the sum of the angles of view of all the cameras is greater than or equal to a spherical angle of view of 360 degrees, the shot images are transmitted to a terminal, then the image processing software is used for modifying the joint of the images shot by different cameras, then the images shot by different cameras are smoothly combined to generate a 360-degree panoramic image, but the 360-degree panoramic image is a 2D image in nature, and due to the fact that no three-dimensional data of the space exists, the overall scene display is lacked, the space sense is not strong, the jump needs to be clicked, the space immersion sense is poor, the operation sense is relatively rigid, a common switching means is the switching of multiple panoramic images and does not have the scene roaming sense.
Referring to fig. 1, fig. 1 is a flowchart of virtual scene roaming methods according to an embodiment of the present disclosure.
The virtual scene roaming method provided by the embodiment of the application can comprise the following steps:
step S101: and acquiring a scene image obtained after the image pickup device carries out 720-degree shooting on the target scene.
In practical application, a scene image obtained by shooting a target scene at 720 degrees by an image pickup device can be acquired, and the scene image is obtained by shooting the target scene at 720 degrees, so that the target scene can be completely restored after the scene images are spliced, and the immersion of a user can be improved when a virtual scene roaming is performed by the scene images.
Step S102: and converting the scene image into a cube map in the form of a cube map.
In the process, the cubic map has stereoscopic effect, and the cubic map also has stereoscopic effect, so that the immersion feeling of the user can be enhanced after the scene image is converted into the cubic map in the form of the cubic map, and in addition, the maximum distance seen by the human in different directions is theoretically spheres for the human eyes, and the human eyes can easily see objects as squares when watching the objects at a short distance, so that the immersion feeling of the user can also be enhanced from the viewpoint of the image presented by the human eyes.
Step S103: and rendering the cube map to obtain a virtual scene roaming map of the target scene.
In practical application, after a scene image is converted into a cube map in the form of a cube map, the cube map can be rendered to obtain a virtual scene roaming map of a target scene, so that a user can perform virtual roaming on the target scene by means of the virtual scene roaming map.
In a specific application scene, when the virtual scene roaming diagram is displayed, since the scene image is shot by the image pickup device at 720 degrees, the image pickup device is equivalent to human eyes, so that the shooting position of the image pickup device can be equivalent to the observation angle of the user in the virtual scene roaming diagram, and the observation angle is used for displaying the virtual scene roaming diagram for the user.
The virtual scene roaming method comprises the steps of obtaining a scene image obtained after a camera device shoots a target scene at 720 degrees, converting the scene image into a cube map in the form of a cube map, and rendering the cube map to obtain a virtual scene roaming map of the target scene, wherein in the virtual scene roaming method provided by the application, the scene image obtained after the camera device shoots the target scene at 720 degrees is obtained, namely the obtained scene images can be connected end to form cube maps, only the camera device needs to shoot at 720 degrees, shooting requirements are low, consumed resources are few, then the scene image is converted into the cube map in the form of the cube map, the cube map and human eyes are complementary, so that the scene map is convenient to observe by the human eyes and good in immersion, and finally the cube map is rendered to obtain the virtual scene roaming map of the target scene.
In the virtual scene roaming method provided by the embodiment of the application, in order to enable a cube map to bring better immersion to a user, when a scene image is converted into the cube map in the form of the cube map, an object image of each scene object in the scene image and a background image in the scene image can be extracted, the scene image describing the same scene object is mapped onto six faces of a blank cube map to obtain a corresponding object stereo map, the background image describing the same background is mapped onto six faces of the blank cube map to obtain a corresponding background stereo map, and the object stereo map and the background stereo map are arranged and combined according to the relative relationship between the scene object and the background in the scene image to obtain the cube map.
It should be noted that, in the present application, when the object stereo image and the background stereo image are arranged and combined, the object stereo image of the object with a large volume in the scene image is larger than the object stereo image of the object with a small volume, and the object stereo image is surrounded by the background stereo image, according to the relative relationship between the scene object and the background in the scene image.
In the virtual scene roaming methods provided by the embodiment of the application, in order to improve rendering effect and rendering efficiency of the cube map, the cube map can be rendered through a browser when the cube map is rendered.
Specifically, a scene image obtained by shooting by the camera device may not be in accordance with the resolution of the browser, so that the cube map is not in accordance with the resolution of the browser, and finally, a virtual scene rendering map obtained by rendering by the browser is not in accordance with the resolution of the browser, so that the viewing experience of a user is affected; converting the cube map into a converted stereoscopic map corresponding to the resolution; rendering the converted stereoscopic image through a browser. Of course, after the scene image is acquired, the scene image may be converted into an image corresponding to the resolution of the browser, and a subsequent step of converting the scene image into a cube map may be performed to obtain a virtual scene roaming map corresponding to the resolution of the browser.
In the virtual scene roaming methods provided by the embodiment of the application, in order to meet the free browsing requirements of users on the virtual scene roaming graph, after the cubic graph is rendered to obtain the virtual scene roaming graph of the target scene, the mobile information of the mobile cursor can be received, and the virtual scene roaming graph is displayed in a mobile manner according to the mobile information.
Specifically, when the virtual scene roaming graph is movably displayed according to the movement information, the virtual scene roaming graph can be movably displayed according to the movement information according to the camera shooting principle, in the process, as the focal length of the camera shooting device is determined, the focal point of the camera shooting device can be found in any direction, when the virtual scene roaming graph is movably displayed according to the movement information, the focal point corresponding to the moving cursor can be determined according to the movement information, and then the virtual scene roaming graph is moved, zoomed and the like according to the focal point, so that the virtual scene roaming graph is displayed according to the user requirements.
In the virtual scene roaming methods provided by the embodiments of the present application, in order to improve the efficiency of converting a scene image into a cube map, when the scene image is converted into a cube map in the form of a cube map, the scene image may be converted into the cube map by a webgl technique.
It should be noted that in the process of converting a scene image into a cube map by the webgl technology, steps of scene and device model mapping, model construction, camera setting, lighting, model collision detection, control addition and the like need to be executed, and the specific process can be determined according to actual needs.
Referring to fig. 2, fig. 2 is a schematic structural diagram of types of virtual scene roaming systems according to an embodiment of the present disclosure.
The virtual scene roaming system provided by the embodiment of the application may include:
an acquisition module 101, configured to acquire a scene image obtained by capturing a target scene at 720 degrees by a camera;
, a conversion module 102, for converting the scene image into a cube map in the form of a cube map;
, a rendering module 103, configured to render the cube map to obtain a virtual scene roaming map of the target scene.
In the virtual scene roaming system provided in the embodiment of the present application, the conversion module may include:
extraction unit, which is used to extract the object image of each scene object in the scene image and the background image in the scene image;
an mapping unit, configured to map scene images describing the same scene object onto six faces of a blank cube map, so as to obtain a corresponding object perspective view;
the second mapping unit is used for mapping the background image describing the same background to six faces of a blank cube map to obtain a corresponding background stereo image;
and , a combination unit, for arranging and combining the object stereogram and the background stereogram according to the relative relationship of the scene object and the background in the scene image, to obtain a cube map.
In the virtual scene roaming systems provided in the embodiments of the present application, the rendering module may include:
rendering sub-module for rendering the cube map by the browser.
In the virtual scene roaming systems provided in the embodiments of the present application, the rendering sub-module may include:
an th acquiring unit, for acquiring the resolution of the browser;
an th conversion unit for converting the cube map into a converted perspective view corresponding to the resolution;
and , a rendering unit for rendering the transition perspective view through the browser.
In the virtual scene roaming system provided in the embodiment of the present application, the method may further include:
an th receiving module, configured to render the cube map by the th rendering module, and receive movement information of a moving cursor after obtaining a virtual scene roaming map of the target scene;
and an display module, configured to perform mobile display on the virtual scene roaming map according to the mobile information.
In the virtual scene roaming system provided in the embodiment of the present application, the conversion module may include:
and the second conversion unit is used for converting the scene image into a cube map by the webgl technology.
Referring to fig. 3, fig. 3 is a schematic structural diagram of types of virtual scene roaming devices according to an embodiment of the present application.
The virtual scene roaming device provided by the embodiment of the application may include:
the image pickup device 11 is configured to perform 720-degree shooting on a target scene to obtain a corresponding scene image;
and the processor 12 is connected with the camera device 11 and is used for acquiring a scene image, converting the scene image into a cube map in a cube map form, and rendering the cube map to obtain a virtual scene roaming map of a target scene.
Please refer to fig. 4, and fig. 4 is a schematic structural diagram of virtual scene roaming devices provided in the embodiment of the present application, wherein the virtual scene roaming devices and a computer-readable storage medium both have corresponding effects of the virtual scene roaming method provided in the embodiment of the present application.
The virtual scene roaming devices provided by the embodiment of the application include a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the following steps when executing the computer program:
acquiring a scene image obtained after a target scene is shot by a camera at 720 degrees;
converting the scene image into a cube map in the form of a cube map;
and rendering the cube map to obtain a virtual scene roaming map of the target scene.
The kinds of virtual scene roaming equipment provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein the memory 201 stores a computer program, and the processor 202 realizes the following steps when executing the computer program, namely extracting an object image of each scene object in a scene image and a background image in the scene image, mapping the scene image describing the same scene object to six faces of a blank cube map to obtain a corresponding object stereogram, mapping the background image describing the same background to six faces of the blank cube map to obtain a corresponding background stereogram, and arranging and combining the object stereogram and the background stereogram according to the relative relation of the scene object and the background in the scene image to obtain the cube map.
The kinds of virtual scene roaming equipment provided by the embodiment of the application comprise a memory 201 and a processor 202, wherein the memory 201 stores a computer program, and the processor 202 realizes the following steps when executing the computer program, namely rendering a cube map through a browser.
The kinds of virtual scene roaming equipment provided by the embodiment of the application comprises a storage 201 and a processor 202, wherein the storage 201 stores a computer program, and the processor 202 executes the computer program to realize the following steps of obtaining the resolution of a browser, converting a cube map into a conversion stereogram corresponding to the resolution, and rendering the conversion stereogram through the browser.
The virtual scene roaming equipment provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein the memory 201 stores a computer program, and the processor 202 realizes the following steps when executing the computer program, namely rendering a cube map, receiving the movement information of a moving cursor after obtaining a virtual scene roaming map of a target scene, and carrying out moving display on the virtual scene roaming map according to the movement information.
The kinds of virtual scene roaming equipment provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein the memory 201 stores a computer program, and the processor 202 realizes the following steps when executing the computer program, namely converting a scene image into a cube map by a webgl technology.
Referring to fig. 5, another kinds of virtual scene roaming devices provided in this embodiment of the present application may further include an input port 203 connected to the processor 202 for transmitting an externally input command to the processor 202, a display unit 204 connected to the processor 202 for displaying a processing result of the processor 202 to the outside, and a communication module 205 connected to the processor 202 for implementing communication between the virtual scene roaming device and the outside, where the display unit 204 may be a display panel, a laser scanning display, or the like, and the communication mode adopted by the communication module 205 includes, but is not limited to, a mobile high definition link (HML), a Universal Serial Bus (USB), a High Definition Multimedia Interface (HDMI), a wireless connection, a wireless fidelity (WiFi) technology, a bluetooth communication technology, a low power consumption bluetooth communication technology, and an ieee802.11 s-based communication technology.
computer readable storage media provided by the embodiment of the application, the computer readable storage media stores computer programs, and when the computer programs are executed by a processor, the computer programs realize the following steps:
acquiring a scene image obtained after a target scene is shot by a camera at 720 degrees;
converting the scene image into a cube map in the form of a cube map;
and rendering the cube map to obtain a virtual scene roaming map of the target scene.
The computer-readable storage media provided by the embodiment of the application store computer programs, and when the computer programs are executed by a processor, the computer programs realize the following steps of extracting an object image of each scene object in a scene image and a background image in the scene image, mapping the scene image describing the same scene object to six faces of a blank cube map to obtain a corresponding object stereogram, mapping the background image describing the same background to six faces of the blank cube map to obtain a corresponding background stereogram, and arranging and combining the object stereogram and the background stereogram according to the relative relationship between the scene object and the background in the scene image to obtain the cube map.
computer readable storage media are provided, and the computer readable storage media stores computer programs, and when executed by a processor, the computer programs implement the steps of rendering a cube map through a browser.
computer readable storage media are provided, and a computer program is stored in the computer readable storage media, and when the computer program is executed by a processor, the steps of obtaining the resolution of a browser, converting a cube map into a converted stereo map corresponding to the resolution, and rendering the converted stereo map through the browser are realized.
computer readable storage media provided by the embodiment of the application store computer programs, and when the computer programs are executed by a processor, the steps of rendering a cube map, receiving movement information of a moving cursor after obtaining a virtual scene roaming map of a target scene, and performing moving display on the virtual scene roaming map according to the movement information are realized.
computer readable storage media are provided, and a computer program is stored in the computer readable storage media, and when executed by a processor, the computer program implements the step of converting a scene image into a cube map by a webgl technique.
The computer-readable storage media to which this application relates include Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage media known in the art.
For descriptions of relevant parts in virtual scene roaming systems, apparatuses, devices, and computer readable storage media provided in this application, please refer to detailed descriptions of corresponding parts in virtual scene roaming methods provided in this application, and details are not repeated here.
It should also be noted that, herein, relational terms such as , second, and the like are only used to distinguish entities or operations from another entities or operations without necessarily requiring or implying any actual such relationship or order between such entities or operations, furthermore, the terms "comprise," "include," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application.
Claims (10)
1, virtual scene roaming method, characterized by comprising:
acquiring a scene image obtained after a target scene is shot by a camera at 720 degrees;
converting the scene image into a cube map in the form of a cube map;
rendering the cube map to obtain a virtual scene roaming map of the target scene.
2. The method of claim 1, wherein the converting the scene image into a cube map in the form of a cube map comprises:
extracting an object image of each scene object in the scene image and a background image in the scene image;
mapping the scene image describing the same scene object to six faces of the blank cube map to obtain a corresponding object stereo image;
mapping the background image describing the same background to six faces of the blank cube map to obtain a corresponding background stereo image;
and arranging and combining the object stereo image and the background stereo image according to the relative relation of the scene object and the background in the scene image to obtain the cube image.
3. The method of claim 1, wherein the rendering the cube map comprises:
and rendering the cube map through a browser.
4. The method of claim 3, wherein the rendering the cube map by a browser comprises:
acquiring the resolution of the browser;
converting the cube map into a converted perspective map corresponding to the resolution;
rendering the converted perspective view through the browser.
5. The method of claim 1, wherein after rendering the cube map to obtain the virtual scene roaming map of the target scene, further comprising:
receiving movement information of a moving cursor;
and performing mobile display on the virtual scene roaming graph according to the mobile information.
6. The method of any of claims 1-5, wherein the converting the scene image into a cube map in the form of a cube map comprises:
and converting the scene image into the cube map by a webgl technology.
7, virtual scene roaming system, comprising:
an th acquisition module, configured to acquire a scene image obtained by the imaging device capturing 720 degrees of a target scene;
conversion module, for converting the scene image into cube map in cube map form;
and , a rendering module, configured to render the cube map to obtain a virtual scene roaming map of the target scene.
8, virtual scene roaming device, comprising:
the image pickup device is used for carrying out 720-degree shooting on a target scene to obtain a corresponding scene image;
and the processor is connected with the camera device and used for acquiring the scene image, converting the scene image into a cube map in a cube map form, and rendering the cube map to obtain a virtual scene roaming map of the target scene.
9, virtual scene roaming device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the virtual scene roaming method of any claims 1 to 6 when executing the computer program.
10, computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the virtual scene roaming method of any of claims 1 to 6 and .
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| CN112738393A (en) * | 2020-12-25 | 2021-04-30 | 珠海西山居移动游戏科技有限公司 | Focusing method and device |
| CN114125304A (en) * | 2021-11-30 | 2022-03-01 | 维沃移动通信有限公司 | Shooting method and device thereof |
| CN114125304B (en) * | 2021-11-30 | 2024-04-30 | 维沃移动通信有限公司 | Shooting method and device thereof |
| CN114463520A (en) * | 2022-01-25 | 2022-05-10 | 深圳思为科技有限公司 | Method and device for realizing Virtual Reality (VR) roaming |
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