CN105959814B - Video barrage display methods based on scene Recognition and its display device - Google Patents
Video barrage display methods based on scene Recognition and its display device Download PDFInfo
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- CN105959814B CN105959814B CN201610381040.4A CN201610381040A CN105959814B CN 105959814 B CN105959814 B CN 105959814B CN 201610381040 A CN201610381040 A CN 201610381040A CN 105959814 B CN105959814 B CN 105959814B
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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
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
- H04N21/4756—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for rating content, e.g. scoring a recommended movie
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
Abstract
Video barrage display methods based on scene Recognition and its display device, preprocessing module pre-processes video, extract the contextual data in video, contextual data file is stored in contextual data server, contextual data mark and video identifier are written in the video metamessage of video video information server, and scene barrage player extracts contextual data file, create scene list, barrage information is embedded in the scene threedimensional model in screen, reinforces the perception of barrage video.Barrage information is embedded in video content by the present invention, is reduced the possibility that barrage blocks video content, is strengthened the perception of barrage video, the user experience is improved.
Description
Technical field
The present invention relates to internet information display mode fields, and in particular to a kind of video barrage based on scene Recognition is aobvious
Show method and its display device.
Background technology
Barrage display system is when showing video, includes on video in the form of roll titles by a large amount of user comment
A kind of display mode.With the universal of barrage technology and development, more and more users understand and use barrage work(by oneself
Comment shared with other users.
Beijing Qihu Technology Co., Ltd. application No. is the patent of CN201510505339.1 disclose one kind in video
The method and device of text information is shown when broadcasting with barrage.This method includes：It obtains in real time relevant with the video flowing of broadcasting
Text reviews data, wherein the video flowing is played by the first play control；According to the text reviews data and preset
Barrage modelling barrage video flowing, wherein in each frame of the barrage video flowing, its remaining part in addition to barrage data
It is divided into pellucidity；And the barrage video flowing is played by the second play control, wherein the barrage video flowing is covered in
On the video flowing.Barrage video flowing in the patent is independently of original video stream, it is not necessary to the picture in original video stream
Frame is bound, therefore, it is possible to show recent reviews content in real time in barrage video flowing.But in image quality increasingly high definition
Instantly, if be still presented barrage layer independently of outside video content, due to the resolution ratio of barrage and the resolution of video content
Rate and frame per second belong to two dimensions, barrage are played independently of video content, it is possible to reduce video perception, reduce user's body
It tests.
Invention content
The present invention provides a kind of video barrage display methods and its display device based on scene Recognition, and barrage information is embedding
Enter video content, reduces the possibility that barrage blocks video content, strengthen the perception of barrage video, improve user's body
It tests.
In order to achieve the above object, the present invention provides a kind of video barrage display methods based on scene Recognition, including with
Lower step：
Step S1, preprocessing module pre-processes video, the contextual data in video is extracted, by contextual data file
It is stored in contextual data server, the video element of video is written in contextual data mark and video identifier by video information server
In information；
The contextual data file includes contextual data all in video；The contextual data includes：Scene mould
Type, the light source data of scene environment and scene time list；The model of place includes：The three of object scene or scenario entities
Dimension data, i.e. x, y, z coordinate points；The light source data of the scene environment includes：Light source position coordinate, light source colour, light intensity
And light source direction；The scene time list includes：The time of occurrence point and knot of object scene or scenario entities in video
Beam time point；The contextual data mark, which represents, has contextual data in the video；The video identifier and contextual data
File corresponds；The video metamessage is corresponded with video；
Step S2, scene barrage player loads video video metamessage corresponding with the video simultaneously, is regarded when detecting
There is contextual data mark in frequency metamessage, then contextual data server is retrieved according to video identifier, obtain and video identifier pair
The contextual data file answered；
Step S3, before video playing, scene barrage player is suitable according to the time according to the contextual data file received
Sequence establishes scene list；
The scene list includes：The threedimensional model of object scene or scenario entities, scene environment light source data and
Scene time list；The threedimensional model of the object scene or scenario entities is according to the model of place in contextual data file
The threedimensional model of establishment；The light source data of the scene environment is according to the light source data of the scene environment in contextual data file
It obtains；The scene time list is obtained according to the scene time list in contextual data file, the scene time list packet
Contain：Time of occurrence point in the video of threedimensional model and end time point；
Step S4, in video display process, whether scene barrage player has in current time searches scene list
There is threedimensional model, if not finding threedimensional model, scene barrage player plays barrage according to full form, if looked into
Threedimensional model is found, threedimensional model is loaded into the display list above video, and barrage layer is moved by scene barrage player
State is mapped on the two dimensional surface of threedimensional model, while creating the environment light source of current scene, and barrage is made more to be incorporated with scene.
Multiple threedimensional models can exist the same time, when existing simultaneously multiple threedimensional models, barrage layer quilt
It is cut into different regions, is dynamically mapped on the two dimensional surface of multiple threedimensional models respectively.
In the step S4, the step of environment light source for creating current scene, includes：According to scene list Scene ring
The light source data in border carries out 3D and renders the environment light source for creating current scene.
In the step S4, if reaching the end time point of threedimensional model, scene barrage player is according to complete
Screen mode plays barrage.
In the step S1, preprocessing module to video pre-process and specifically be comprised the steps of：
Step S1.1, preprocessing module carries out contextual data identification；
The scene refers to the object scene or scenario entities occurred in video, and Same Scene may be repeated several times
Occur in video；
Step S1.2, preprocessing module will can be embedded in the contextual data of the scene of barrage according to the timestamps ordering guarantor of video
Contextual data file is saved as, which is uploaded on contextual data server and is preserved；
The scene for being embedded in barrage refer to scene model of place in have at least one two dimensional surface size foot
Enough place barrage；
Step S1.3, contextual data mark and video identifier are sent to video information server by preprocessing module, video
Video identifier and contextual data mark are written in the video metamessage of video information server；
The video metamessage is the file for recording video essential information, which includes：The length and width of video,
Video frame rate and other self-defining datas, such as contextual data mark and video identifier.
The video barrage display device based on scene Recognition that the present invention also provides a kind of, including：
Preprocessing module extracts the contextual data in video for being pre-processed to video；
Contextual data server is used for saving scenario data file；
Video information server, for contextual data mark and video identifier to be written in the video metamessage of video；
Scene barrage player creates scene list, barrage information is embedded in screen for extracting contextual data file
Scene threedimensional model, reinforce barrage video perception.
Pretreatment software is loaded in the preprocessing module.
The scene barrage player includes：Barrage player and scene process module, barrage player is for playing
Barrage information, scene process module are used to handle the threedimensional model of scene.
Barrage information is embedded in video content by the present invention, is reduced the possibility that barrage blocks video content, is strengthened bullet
The perception of curtain video, the user experience is improved.
Description of the drawings
Fig. 1 is a kind of flow chart of video barrage display methods based on scene Recognition provided by the invention.
Specific implementation mode
Presently preferred embodiments of the present invention is illustrated below according to Fig. 1.
As shown in Figure 1, the present invention provides a kind of video barrage display methods based on scene Recognition, comprise the steps of：
Step S1, preprocessing module pre-processes video, the contextual data in video is extracted, by contextual data file
It is stored in contextual data server, the video element of video is written in contextual data mark and video identifier by video information server
In information；
The contextual data file includes contextual data all in video；
The contextual data includes：Model of place, the light source data of scene environment and scene time list；
The model of place includes：The three-dimensional data of object scene or scenario entities, i.e. x, y, z coordinate points；
The light source data of the scene environment includes：Light source position coordinate, light source colour, light intensity and light source direction；
The scene time list includes：The time of occurrence point of object scene or scenario entities in video is at the end of
Between point；
The contextual data mark, which represents, has contextual data in the video；
The video identifier is corresponded with contextual data file；
The video metamessage is corresponded with video；
Step S2, scene barrage player loads video video metamessage corresponding with the video simultaneously, is regarded when detecting
There is contextual data mark in frequency metamessage, then contextual data server is retrieved according to video identifier, obtain and video identifier pair
The contextual data file answered；
The scene barrage player includes：Barrage player and scene process module；
Step S3, before video playing, scene barrage player is suitable according to the time according to the contextual data file received
Sequence establishes scene list；
The scene list includes：The threedimensional model of object scene or scenario entities, scene environment light source data and
Scene time list；
The threedimensional model of the object scene or scenario entities is created according to the model of place in contextual data file
Threedimensional model；
The light source data of the scene environment is obtained according to the light source data of the scene environment in contextual data file；
The scene time list is obtained according to the scene time list in contextual data file, the scene time list
Including：Time of occurrence point in the video of threedimensional model and end time point；
Step S4, in video display process, whether scene barrage player has in current time searches scene list
There is threedimensional model, if not finding threedimensional model, carry out step S5, if finding threedimensional model, carries out step
S6；
Multiple threedimensional models can exist the same time；
Step S5, scene barrage player plays barrage according to full form, carries out step S4；
Step S6, threedimensional model is loaded into the display list above video by scene barrage player, and by barrage layer
Dynamic is mapped on the two dimensional surface of threedimensional model, while creating the environment light source of current scene, and barrage is made more to melt with scene
Enter, carries out step S7；
When existing simultaneously multiple threedimensional models, barrage layer is cut into different regions, is dynamically mapped to respectively multiple
On the two dimensional surface of threedimensional model；
The step of environment light source of the establishment current scene includes：According to the light source number of scene list Scene environment
According to the environment light source for carrying out 3D rendering establishment current scenes；
Step S7, scene barrage player judges whether to reach the end time point of threedimensional model, if so, carrying out step
S5。
In the embodiment of the present invention, the step S1 is specifically comprised the steps of：
Step S1.1, preprocessing module carries out contextual data identification；
The scene refers to the object scene or scenario entities occurred in video, and Same Scene may be repeated several times
Occur in video；
Common pretreatment software is loaded in the preprocessing module；
In an embodiment of the present invention, the acquisition of model of place can be obtained by manual operation, that is, manual setting one
Two dimensional surface makes the size of the two dimensional surface and the size of the two dimensional surface of scene match, and records the two dimension of the manual setting
The three-dimensional data of plane；
Step S1.2, preprocessing module will can be embedded in the contextual data of the scene of barrage according to the timestamps ordering guarantor of video
Contextual data file is saved as, which is uploaded on contextual data server and is preserved；
The scene for being embedded in barrage refer to scene model of place in have at least one two dimensional surface size foot
Barrage is enough placed, i.e. the height of the two dimensional surface is more than or equal to the height of a barrage character；
Step S1.3, contextual data mark and video identifier are sent to video information server by preprocessing module, video
Video identifier and contextual data mark are written in the video metamessage of video information server；
The video metamessage is the file for recording video essential information, which includes：The length and width of video,
Video frame rate and other self-defining datas, such as contextual data mark and video identifier.
Pretreated be advantageous in that is carried out to the contextual data in video：In the case where video is constant, contextual data
It is constant.Contextual data identification only needs to carry out single treatment.Know compared with otherwise with online real time algorithm, using pre- under line
Processing dress system can efficiently use the computing resource of server, and the precision having had provides better experience.
The video barrage display device based on scene Recognition that the present invention also provides a kind of, including：
Preprocessing module extracts the contextual data in video for being pre-processed to video；
Contextual data server is used for saving scenario data file；
Video information server, for contextual data mark and video identifier to be written in the video metamessage of video；
Scene barrage player creates scene list, barrage information is embedded in screen for extracting contextual data file
Scene threedimensional model, reinforce barrage video perception.
Common pretreatment software is loaded in the preprocessing module.
The contextual data server uses common server.
The video information server uses common server.
The scene barrage player includes：Barrage player and scene process module, barrage player is for playing
Barrage information, scene process module are used to handle the threedimensional model of scene.
Barrage information is embedded in video content by the present invention, is reduced the possibility that barrage blocks video content, is strengthened bullet
The perception of curtain video, the user experience is improved.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. a kind of video barrage display methods based on scene Recognition, which is characterized in that comprise the steps of：
Step S1, preprocessing module pre-processes video, extracts the contextual data in video, contextual data file is preserved
In scene data server, the video metamessage of video is written in contextual data mark and video identifier by video information server
In；
The contextual data file includes contextual data all in video；The contextual data includes：Model of place, field
The light source data of scape environment and scene time list；The model of place includes：Three dimensions of object scene or scenario entities
According to i.e. x, y, z coordinate points；The light source data of the scene environment includes：Light source position coordinate, light source colour, light intensity and light
Source direction；The scene time list includes：The time of occurrence point of object scene or scenario entities in video is at the end of
Between point；The contextual data mark, which represents, has contextual data in the video；The video identifier and contextual data file
It corresponds；The video metamessage is corresponded with video；
Step S2, scene barrage player loads video video metamessage corresponding with the video simultaneously, when detecting video element
There is contextual data mark in information, then contextual data server is retrieved according to video identifier, obtain corresponding with video identifier
Contextual data file；
Step S3, before video playing, scene barrage player is built sequentially in time according to the contextual data file received
Position scape list；
The scene list includes：The light source data and scene of the threedimensional model of object scene or scenario entities, scene environment
Time list；The threedimensional model of the object scene or scenario entities is created according to the model of place in contextual data file
Threedimensional model；The light source data of the scene environment is obtained according to the light source data of the scene environment in contextual data file
；The scene time list is obtained according to the scene time list in contextual data file, which includes：
Threedimensional model time of occurrence point in video and end time point；
Step S4, in video display process, whether scene barrage player has three in current time searches scene list
Dimension module, if not finding threedimensional model, scene barrage player plays barrage according to full form, if found
Threedimensional model is loaded into the display list above video by threedimensional model, scene barrage player, and barrage layer dynamic is pasted
On figure to the two dimensional surface of threedimensional model, while the environment light source of current scene is created, barrage is made more to be incorporated with scene.
2. the video barrage display methods based on scene Recognition as described in claim 1, which is characterized in that multiple threedimensional models
Can exist the same time, when existing simultaneously multiple threedimensional models, barrage layer is cut into different regions, and dynamic is pasted respectively
On figure to the two dimensional surface of multiple threedimensional models.
3. the video barrage display methods based on scene Recognition as described in claim 1, which is characterized in that the step S4
In, the step of environment light source for creating current scene includes：3D wash with watercolours is carried out according to the light source data of scene list Scene environment
Dye creates the environment light source of current scene.
4. the video barrage display methods based on scene Recognition as described in claim 1, which is characterized in that the step S4
In, if reaching the end time point of threedimensional model, scene barrage player plays barrage according to full form.
5. the video barrage display methods based on scene Recognition as described in claim 1, which is characterized in that the step S1
In, preprocessing module to video pre-process and specifically be comprised the steps of：
Step S1.1, preprocessing module carries out contextual data identification；
The scene refers to the object scene or scenario entities occurred in video, and Same Scene may be repeated several times in video
Middle appearance；
Step S1.2, the contextual data that can be embedded in barrage is saved as scene number by preprocessing module according to the timestamps ordering of video
According to file, which is uploaded on contextual data server and is preserved；
The scene for being embedded in barrage refer to scene model of place in there is the size of at least one two dimensional surface to put enough
Set barrage；
Step S1.3, preprocessing module identifies contextual data and video identifier is sent to video information server, video information
Server will be in the video metamessage of video identifier and contextual data mark write-in video；
The video metamessage is the file for recording video essential information, which includes：The length and width of video, video
Frame per second and other self-defining datas.
6. a kind of video barrage display methods based on scene Recognition suitable for as described in any one of claim 1-5
Display device, which is characterized in that include：
Preprocessing module extracts the contextual data in video for being pre-processed to video；
Contextual data server is used for saving scenario data file；
Video information server, for contextual data mark and video identifier to be written in the video metamessage of video；
Scene barrage player creates scene list, barrage information is embedded in the field in video for extracting contextual data file
Scape threedimensional model reinforces the perception of barrage video.
7. the display device of the video barrage display methods based on scene Recognition as claimed in claim 6, which is characterized in that institute
Pretreatment software is loaded in the preprocessing module stated.
8. the display device of the video barrage display methods based on scene Recognition as claimed in claim 6, which is characterized in that institute
The scene barrage player stated includes：Barrage player and scene process module, the barrage player is for playing barrage
Information, the scene process module are used to handle the threedimensional model of scene.
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| CN106454387B (en) * | 2016-10-31 | 2020-02-07 | 北京小米移动软件有限公司 | Panoramic video bullet screen display method and device |
| CN106534875A (en) * | 2016-11-09 | 2017-03-22 | 广州华多网络科技有限公司 | Barrage display control method and device and terminal |
| CN106878786B (en) * | 2017-03-07 | 2020-03-03 | 北京小米移动软件有限公司 | Method and device for displaying barrage in VR video |
| CN110662099B (en) * | 2018-06-28 | 2023-05-02 | 北京京东尚科信息技术有限公司 | Method and device for displaying bullet screen |
| CN110971951B (en) * | 2018-09-29 | 2021-09-21 | 阿里巴巴（中国）有限公司 | Bullet screen display method and device |
| CN110933489B (en) * | 2019-11-01 | 2024-04-02 | 青岛海尔多媒体有限公司 | Video playing control method and device and video playing equipment |
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