CN107396085A - A kind of processing method and system of full multi-view video image - Google Patents
A kind of processing method and system of full multi-view video image Download PDFInfo
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- CN107396085A CN107396085A CN201710733135.2A CN201710733135A CN107396085A CN 107396085 A CN107396085 A CN 107396085A CN 201710733135 A CN201710733135 A CN 201710733135A CN 107396085 A CN107396085 A CN 107396085A
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- 230000000007 visual effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims 1
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Classifications
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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
- H04N13/282—Image signal generators for generating image signals corresponding to three or more geometrical viewpoints, e.g. multi-view systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
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- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses a kind of processing method and system of full multi-view video image, the embodiment of the present invention is to after the video data acquiring of a scene or object, the video data of collection is spliced into the full-view video image of the scene or object, stored as the full visual point image of the scene or object.When user asks the video image of the scene or a certain viewpoint of object, the scene of storage or the full multi-view video image of object are obtained, selects viewpoint viewing video image, or be switched to the viewing that a viewpoint carries out video image.Therefore, scheme provided by the invention provides for full multi-view video image, realizes the video image seamless switching of different points of view.
Description
Technical field
The present invention relates to the image processing techniques of computer, the processing method of more particularly to a kind of full multi-view video image and
System.
Background technology
With the development of computer technology, have also more and more with the application of integration of user interaction functionality.In these inhomogeneities
In the application of type, it is often necessary to the image of different points of view is provided the user, so that user selects or/and with reference to operation application.Mesh
Before, in order to provide the user the image of different points of view, it is necessary to the image of different points of view be stored in the terminal, end here
It can be various types of to hold, such as mobile terminal or terminal etc., until user sends to terminal obtains request,
Show user.
In order to lift user experience, terminal tends to provide a user the image of the different points of view of three-dimensional.Three-dimensional difference
The image of viewpoint, which is formed, can various ways, for example can be integrated the two dimensional image of a viewpoint and its depth information,
The 3-D view of the viewpoint is obtained, is stored in the terminal after forming the 3-D view of multiple viewpoints in this way.For one
Individual scene or object, according to the difference of viewpoint, its depth information is also different, so the 3-D view of the viewpoint finally given
Difference so that user can from multiple different points of view an object or scene, obtain different 3-D views.This
Sample, asked according to the 3-D view of the different points of view of user, terminal can provide the user the graphics of corresponding corresponding viewpoint
Picture, so as to realize the image free switching of different points of view.
But terminal is supplied to user there is also defect using the image of this storage different points of view：It can not be user
Full visual point image is provided, and is not seamless switching in the image handoff procedure for carrying out different points of view.Further, terminal needs
To store the image of different points of view one by one can just be provided the user, and the figure of virtual view can not be synthesized according to the image of storage
Picture.Terminal can only provide the image of Orientation observation angle in each viewpoint, then necessary when user needs to observe other angles
Switch viewpoint, so as to which the image of the different points of view got from terminal is cumbersome, Experience Degree is not high.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of processing method of full multi-view video image, and this method can provide
Full multi-view video image, realize the video image seamless switching of different points of view.
The embodiment of the present invention also provides a kind of processing system of full multi-view video image, and the system can provide full viewpoint and regard
Frequency image, realize the video image seamless switching of different points of view.
According to above-mentioned purpose, what the present invention was realized in：
A kind of processing method of full multi-view video image, including：
The video data of one scene or object is acquired；
The video data of collection is spliced into the full-view video image of the scene or object；
Stored the full-view video image of the scene or object as the full visual point image of the scene or object；
After the video image request for receiving the scene for obtaining a certain viewpoint or object, the scene of storage is obtained
Or the full multi-view video image of object, selection wherein correspond to viewpoint video image or be switched to correspondence viewpoint video image it is defeated
Go out.
The stitching algorithm uses time domain joint algorithm and/or phase correlation method.
The system clock used during the collection is synchronized with the clock in the splicing.
It is described the video data of collection is spliced into the full-view video image of the scene or object after, in addition to：
The view information asked according to user, determine the full-view video image of the scene or object in different points of view
Thermodynamic chart, according to the full-view video image of the scene or object different points of view thermodynamic chart, it is determined that corresponding viewpoint strategy
Afterwards, according to the video image of some or multiple viewpoints of the corresponding viewpoint strategy synthesis scene or object, stored；
Methods described also includes：After the video image request for receiving the scene for obtaining a certain viewpoint or object, directly
Connect the video image output of the corresponding viewpoint by the scene of synthesis or object.
The view information includes：Device numbering, moment or/and the longitude and latitude at visual angle of the video image of viewpoint are gathered,
The thermodynamic chart of the generation is the region thermodynamic chart of corresponding viewpoint visual angle and access times；
The thermodynamic chart and the timing of viewpoint strategy update, and viewpoint strategy corresponding to the basis synthesizes the scene or object
Some or the video image of multiple viewpoints in some or multiple viewpoints be different.
A kind of system of full multi-view video image, including：Collecting device, splicing and sync server, Simultaneous Monitoring and place
Server, video stream server and user terminal are managed, wherein,
Collecting device, for being acquired to the video data of a scene or object；
Splicing and sync server, for the video data of collection to be spliced into the panoramic video figure of the scene or object
Picture；
Simultaneous Monitoring and processing server, for receiving the panorama of the scene or object from splicing and sync server
Video image, it is sent to video stream server；
Video stream server, for storing the full-view video image of the scene or object, receive what user terminal was sent
After obtaining the scene of a certain viewpoint or the video image request of object, the scene of storage or the full viewpoint of object are obtained
Video image, selection wherein correspond to the video image of viewpoint or are switched to the video image output of corresponding viewpoint；
User terminal, the scene of a certain viewpoint or the video image request of object are obtained for sending, is received wherein
The video image of corresponding viewpoint or the video image for being switched to corresponding viewpoint.
The collecting device includes professional camera and/or CCTV camera, the collecting device, is additionally operable to adopt during collection
System clock is synchronized with the clock of the splicing and sync server.
Also include：
Thermodynamic chart monitors and strategy setting server, for the view information asked according to user, determines the scene
Or the full-view video image of object is in the thermodynamic chart of different points of view；According to the full-view video image of the scene or object in difference
The thermodynamic chart of viewpoint, it is determined that after corresponding viewpoint strategy, a certain of the scene or object is synthesized according to corresponding viewpoint strategy
The video image of individual or multiple viewpoints；
Video stream server, for the scene that synthesizes corresponding viewpoint strategy or object some or multiple regard
The video image of point is stored.
The thermodynamic chart and the timing of viewpoint strategy update, and viewpoint strategy corresponding to the basis synthesizes the scene or object
Some or the video image of multiple viewpoints in some or multiple viewpoints be different.
User terminal, it is additionally operable to after sending the video image request of the scene for obtaining a certain viewpoint or object, receives
The video image of the scene of synthesis or the corresponding viewpoint of object；
Video stream server, after the scene of a certain viewpoint or the video image request of object are obtained for receiving, obtain
The video image of the scene of the synthesis of storage or the corresponding viewpoint of object is taken to export.
As can be seen from the above scheme, the embodiment of the present invention is to after the video data acquiring of a scene or object, will gather
Video data be spliced into the full-view video image of the scene or object, the full visual point image as the scene or object is deposited
Storage.When user asks the video image of the scene or a certain viewpoint of object, the scene or object of storage are obtained
Full multi-view video image, viewpoint viewing video image is selected, or be switched to the viewing that a viewpoint carries out video image.Therefore,
Scheme provided by the invention provides for full multi-view video image, realizes the video image seamless switching of different points of view.
Brief description of the drawings
Fig. 1 is the process flow figure of full multi-view video image provided in an embodiment of the present invention；
Fig. 2 is the processing system structural representation of full multi-view video image provided in an embodiment of the present invention.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, develop simultaneously embodiment referring to the drawings, right
The present invention is described in further detail.
The embodiment of the present invention realizes the video image seamless switching of different points of view to provide full multi-view video image, right
After the video data acquiring of one scene or object, the video data of collection is spliced into the panoramic video figure of the scene or object
Picture, stored as the full visual point image of the scene or object.When user asks regarding for the scene or a certain viewpoint of object
During frequency image, the scene of storage or the full multi-view video image of object are obtained, selects viewpoint viewing video image, or cut
Change to the viewing that a viewpoint carries out video image.
The full-view video image for being spliced into the scene or object, the splicing of various video images can be used to calculate
Method, such as using time domain joint algorithm or phase correlation method.
Further, the view information that the embodiment of the present invention is asked always according to user, the scene or object are determined
Full-view video image different points of view thermodynamic chart, according to the full-view video image of the scene or object in different points of view
Thermodynamic chart, it is determined that after corresponding viewpoint strategy, according to corresponding viewpoint strategy synthesize the scene or object some or it is more
The video image of individual viewpoint, there is provided to user.
Fig. 1 is the process flow figure of full multi-view video image provided in an embodiment of the present invention, and it is concretely comprised the following steps：
Step 101, the video data to a scene or object are acquired；
In this step, when gathering video data to a scene or object, can be taken the photograph by professional camera and/or monitoring
Camera gathers；
Step 102, the full-view video image that the video data of collection is spliced into the scene or object；
In this step, stitching algorithm uses time domain joint algorithm, is handled by splicing and sync server；
Step 103, using the full-view video image of the scene or object as the scene or the full visual point image of object
Storage；
In this step, the full-view video image of the scene or object can be passed through by splicing and sync server same
Step monitoring and processing server are sent to video stream server storage.
Step 104, after receiving the video image request of the scene for obtaining a certain viewpoint or object, obtain storage
The full multi-view video image of the scene or object, selection wherein correspond to the video image of viewpoint or are switched to regarding for corresponding viewpoint
Frequency image exports.
Should in method, the system clock that is used described in step 101 during collection be synchronized with the splicing when
Clock, at this moment, it is necessary to which collecting device obtains synchronised clock, can not obtain, then be obtained by third party device, such as terminal
Synchronised clock.
In the method, the video data of collection is spliced into the panoramic video figure of the scene or object in step 102
As after, in addition to：
The view information asked according to user, determine the full-view video image of the scene or object in different points of view
Thermodynamic chart, according to the full-view video image of the scene or object different points of view thermodynamic chart, it is determined that corresponding viewpoint strategy
Afterwards, according to the video image of some or multiple viewpoints of the corresponding viewpoint strategy synthesis scene or object, stored.
In this step, the view information includes but is not limited to device numbering, the moment for gathering the video image of viewpoint
And the longitude and latitude at visual angle, the thermodynamic chart of the generation are the region thermodynamic chart of corresponding viewpoint visual angle and access times.
In the method, in addition to：After the video image request for receiving the scene for obtaining a certain viewpoint or object,
Directly the video image of the scene of synthesis or the corresponding viewpoint of object is exported.
Fig. 2 is the processing system structural representation of full multi-view video image provided in an embodiment of the present invention, including：Collection is set
Standby, splicing and sync server, Simultaneous Monitoring and processing server, video stream server and user terminal, wherein,
Collecting device, for being acquired to the video data of a scene or object；
Splicing and sync server, for the video data of collection to be spliced into the panoramic video figure of the scene or object
Picture；
Simultaneous Monitoring and processing server, for receiving the panorama of the scene or object from splicing and sync server
Video image, it is sent to video stream server；
Video stream server, for storing the full-view video image of the scene or object, receive what user terminal was sent
After obtaining the scene of a certain viewpoint or the video image request of object, the scene of storage or the full viewpoint of object are obtained
Video image, selection wherein correspond to the video image of viewpoint or are switched to the video image output of corresponding viewpoint；
User terminal, the scene of a certain viewpoint or the video image request of object are obtained for sending, is received wherein
The video image of corresponding viewpoint or the video image for being switched to corresponding viewpoint.
Within the system, the collecting device includes professional camera and/or CCTV camera.
Within the system, in addition to：
Thermodynamic chart monitors and strategy setting server, for the view information asked according to user, determines the scene
Or the full-view video image of object is in the thermodynamic chart of different points of view；According to the full-view video image of the scene or object in difference
The thermodynamic chart of viewpoint, it is determined that after corresponding viewpoint strategy, a certain of the scene or object is synthesized according to corresponding viewpoint strategy
The video image of individual or multiple viewpoints；
Video stream server, for the scene that synthesizes corresponding viewpoint strategy or object some or multiple regard
The video image of point is stored.
Within the system, the thermodynamic chart and the timing of viewpoint strategy update, and viewpoint strategy corresponding to the basis synthesizes institute
Some or the multiple viewpoints stated in some or the video image of multiple viewpoints of scene or object are different.So, may be used
To delete synthesis viewpoint by thermodynamic chart, dynamic increase, and obtain synthesizing the video image of viewpoint, so, the choosing of user's can
The video image for selecting new viewpoint is watched.
Within the system, user terminal, it is additionally operable to send the video image of the scene for obtaining a certain viewpoint or object
After request, the video image of the scene of synthesis or the corresponding viewpoint of object is received；
Video stream server, after the scene of a certain viewpoint or the video image request of object are obtained for receiving, obtain
The video image of the scene of the synthesis of storage or the corresponding viewpoint of object is taken to export.
In method and system provided in an embodiment of the present invention, when viewpoint switches over, video stream server will synthesize
Viewpoint between video image, be sent to user terminal so that user is in handoff procedure it is observed that viewpoint of continuously going through the motions
Video image.
Some scene is provided the user using method and system can provided in an embodiment of the present invention or the complete of object regards
The video image of point and the video image of each viewpoint in the full-view video image, herein, full viewpoint are exactly free 360
Spend viewpoint.
A specific example is lifted to be described in detail
The video image that user passes through the full viewpoint of user's terminal on demand；After user clicks on video image, pass through viewpoint selection
Video image, viewpoint viewing is selected, at this moment, user terminal just interacts with video stream server；User passes through user terminal
Video image is watched, the viewing of high-definition multimedia (HDM) software or direct viewing can be passed through；User can in playing process
So that by the viewpoint selection changing interface viewpoint of user terminal, at this moment, video stream server is in playing process, by pair of synthesis
Answer the video image of viewpoint to be pushed on user terminal to watch for user.Further, in playing process, video streaming services
The video image that device is watched according to user, the video image of other similar or corresponding viewpoints can also be pushed to user terminal
On be supplied to user, these viewpoints can be the viewpoint or focus viewpoint of user's content of interest.
The embodiment of the present invention can be under free view-point, and each viewpoint provides the range of observation of 360 degree of * 180 degrees, viewpoint
Between can seamless switching, the mechanism of the video image of this virtual view synthesized in real time, by gathering view information, generate viewpoint
Thermodynamic chart, the video image of perhaps high fever degree viewpoint in interested can be recommended to user.
Preferred embodiment is lifted above, the object, technical solutions and advantages of the present invention is further described, institute
It should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the invention, it is all the present invention's
Spirit and principle within, all any modification, equivalent and improvement made etc., should be included in protection scope of the present invention it
It is interior.
Claims (10)
- A kind of 1. processing method of full multi-view video image, it is characterised in that including：The video data of one scene or object is acquired；The video data of collection is spliced into the full-view video image of the scene or object；Stored the full-view video image of the scene or object as the full visual point image of the scene or object；After the video image request for receiving the scene for obtaining a certain viewpoint or object, the scene or thing of storage are obtained The full multi-view video image of body, selection wherein correspond to the video image of viewpoint or are switched to the video image output of corresponding viewpoint.
- 2. processing method as claimed in claim 1, it is characterised in that the stitching algorithm using time domain joint algorithm and/or Phase correlation method.
- 3. processing method as claimed in claim 1, it is characterised in that the system clock used during the collection is synchronized with described Clock in splicing.
- 4. processing method as claimed in claim 1, it is characterised in that described that the video data of collection is spliced into the scene Or after the full-view video image of object, in addition to：The view information asked according to user, determine heating power of the full-view video image in different points of view of the scene or object Figure, according to the full-view video image of the scene or object different points of view thermodynamic chart, it is determined that after corresponding viewpoint strategy, root According to the video image of some or multiple viewpoints of the corresponding viewpoint strategy synthesis scene or object, stored；Methods described also includes：After the video image request for receiving the scene for obtaining a certain viewpoint or object, directly will The output of the video image of the scene of synthesis or the corresponding viewpoint of object.
- 5. processing method as claimed in claim 1, it is characterised in that the view information includes：Gather the video figure of viewpoint Device numbering, moment or/and the longitude and latitude at visual angle of picture, the thermodynamic chart of the generation is corresponding viewpoint visual angle and access times Region thermodynamic chart；The thermodynamic chart and the timing of viewpoint strategy update, and viewpoint strategy corresponding to the basis synthesizes certain of the scene or object Some or multiple viewpoints in the video image of one or more viewpoints are different.
- A kind of 6. system of full multi-view video image, it is characterised in that including：Collecting device, splicing and sync server, synchronization Monitoring and processing server, video stream server and user terminal, wherein,Collecting device, for being acquired to the video data of a scene or object；Splicing and sync server, for the video data of collection to be spliced into the full-view video image of the scene or object；Simultaneous Monitoring and processing server, for receiving the panoramic video of the scene or object from splicing and sync server Image, it is sent to video stream server；Video stream server, for storing the full-view video image of the scene or object, receive the acquisition that user terminal is sent After the scene of a certain viewpoint or the video image request of object, the scene of storage or the full viewpoint video of object are obtained Image, selection wherein correspond to the video image of viewpoint or are switched to the video image output of corresponding viewpoint；User terminal, the scene of a certain viewpoint or the video image request of object are obtained for sending, is received wherein corresponding The video image of viewpoint or the video image for being switched to corresponding viewpoint.
- 7. processing system as claimed in claim 6, it is characterised in that the collecting device includes professional camera and/or prison Video camera, the collecting device are controlled, the system clock for being additionally operable to use during collection is synchronized with the splicing and sync server Clock.
- 8. processing system as claimed in claim 6, it is characterised in that also include：Thermodynamic chart monitors and strategy setting server, for the view information asked according to user, determines the scene or thing Thermodynamic chart of the full-view video image of body in different points of view；According to the full-view video image of the scene or object in different points of view Thermodynamic chart, it is determined that after corresponding viewpoint strategy, according to corresponding viewpoint strategy synthesize the scene or object some or The video image of multiple viewpoints；Video stream server, some or multiple viewpoints for the scene that synthesizes corresponding viewpoint strategy or object Video image is stored.
- 9. processing system as claimed in claim 6, it is characterised in that the thermodynamic chart and the timing of viewpoint strategy update, described Synthesized according to corresponding viewpoint strategy in some or the video image of multiple viewpoints of the scene or object some or Multiple viewpoints are different.
- 10. processing system as claimed in claim 6, it is characterised in that user terminal, be additionally operable to send a certain viewpoint of acquisition After the request of the video image of the scene or object, the video image of the scene of synthesis or the corresponding viewpoint of object is received；Video stream server, after the scene of a certain viewpoint or the video image request of object are obtained for receiving, acquisition is deposited The video image of the scene of the synthesis of storage or the corresponding viewpoint of object exports.
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| CN107896333A (en) * | 2017-11-29 | 2018-04-10 | 北京未来媒体科技股份有限公司 | The method and device that a kind of remote control panoramic video based on intelligent terminal plays |
| CN110944222A (en) * | 2018-09-21 | 2020-03-31 | 上海交通大学 | Method and system for immersive media content as user moves |
| CN111669603A (en) * | 2019-03-07 | 2020-09-15 | 阿里巴巴集团控股有限公司 | Multi-angle free visual angle data processing method and device, medium, terminal and equipment |
| CN112135198A (en) * | 2020-09-11 | 2020-12-25 | 烽火通信科技股份有限公司 | Method, system and server for multiplexing multi-view switching video |
| WO2021179783A1 (en) * | 2020-03-11 | 2021-09-16 | 叠境数字科技（上海）有限公司 | Free viewpoint-based video live broadcast processing method, device, system, chip and medium |
| CN113473244A (en) * | 2020-06-23 | 2021-10-01 | 青岛海信电子产业控股股份有限公司 | Free viewpoint video playing control method and device |
| CN113691779A (en) * | 2021-08-25 | 2021-11-23 | 济南大学 | Method for enhancing presentation mode in AR system |
| CN114338061A (en) * | 2020-09-29 | 2022-04-12 | 苏传军 | System and method for real-time monitoring of a workplace domain |
| WO2022222533A1 (en) * | 2021-04-22 | 2022-10-27 | 华为技术有限公司 | Video playing method, apparatus and system, and computer-readable storage medium |
| US11521347B2 (en) | 2019-03-07 | 2022-12-06 | Alibaba Group Holding Limited | Method, apparatus, medium, and device for generating multi-angle free-respective image data |
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| CN110944222B (en) * | 2018-09-21 | 2021-02-12 | 上海交通大学 | Method and system for immersive media content as user moves |
| CN111669603A (en) * | 2019-03-07 | 2020-09-15 | 阿里巴巴集团控股有限公司 | Multi-angle free visual angle data processing method and device, medium, terminal and equipment |
| US11521347B2 (en) | 2019-03-07 | 2022-12-06 | Alibaba Group Holding Limited | Method, apparatus, medium, and device for generating multi-angle free-respective image data |
| WO2021179783A1 (en) * | 2020-03-11 | 2021-09-16 | 叠境数字科技（上海）有限公司 | Free viewpoint-based video live broadcast processing method, device, system, chip and medium |
| CN113473244A (en) * | 2020-06-23 | 2021-10-01 | 青岛海信电子产业控股股份有限公司 | Free viewpoint video playing control method and device |
| CN112135198A (en) * | 2020-09-11 | 2020-12-25 | 烽火通信科技股份有限公司 | Method, system and server for multiplexing multi-view switching video |
| CN114338061A (en) * | 2020-09-29 | 2022-04-12 | 苏传军 | System and method for real-time monitoring of a workplace domain |
| WO2022222533A1 (en) * | 2021-04-22 | 2022-10-27 | 华为技术有限公司 | Video playing method, apparatus and system, and computer-readable storage medium |
| CN113691779A (en) * | 2021-08-25 | 2021-11-23 | 济南大学 | Method for enhancing presentation mode in AR system |
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