CN101472094A - On-site comment and hand-drawing method based on television subtitling system - Google Patents
On-site comment and hand-drawing method based on television subtitling system Download PDFInfo
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- CN101472094A CN101472094A CNA2007103042928A CN200710304292A CN101472094A CN 101472094 A CN101472094 A CN 101472094A CN A2007103042928 A CNA2007103042928 A CN A2007103042928A CN 200710304292 A CN200710304292 A CN 200710304292A CN 101472094 A CN101472094 A CN 101472094A
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Abstract
The invention relates to a comprehensive application of a television caption technology and a picture hand-drawing technology in the radio and television field, in particular to an on-site evaluation and hand-drawing method based on a television caption system. The method comprises the following steps: the data is collected through a client-side commenting and hand-drawing system, the hand-drawing data is packaged and is transmitted to a server end through a Socket protocol in real time, the server end receives and analyzes the data to generate a caption signal, and the caption signal is transmitted to the switching table and then is broadcast after being mixed with the scene picture. The invention has the advantages that the hardware purchasing cost of a user is not greatly increased, the digital image processing device with high price is not required to be provided, the input cost of the user is reduced, and the application flexibility of the user is extended.
Description
Technical field
The invention belongs to the integrated application of broadcasting and TV field TV subtitling technology and figure Freehandhand-drawing technology, be specifically related to a kind of on-site comment and hand-drawing method based on television subtitling system.
Background technology
In radio, TV and film industries and association area, TV subtitling is all the time in occupation of critical role, the content of picture can be showed and enrich to TV subtitling intuitively to reach the effect mutual with spectators to spectators, especially Modern Television Technology, spectators are more and more higher to the packaging quality of program, and TV subtitling develops towards networked direction more attractive in appearance, that information is more real-time, content is more professional.How making traditional caption is that program brings brand-new visual impact and view reception effect, what show in the programs such as this problem is live in TV physical culture, news analysis and financial information comment is particularly outstanding, the TV programme packing of increasing these types needs the captions picture of real-time and interactivity, and this interactivity develops towards networked direction.Line of attack figure, technique and tactics analysis such as physical culture in live, news read the newspaper and financial information in the mark of keynote message and comment etc.Traditional caption system does not obviously reach requirement.
Scheme at present commonly used mainly be comprise following several: 1, realize by hardware.The principle of this method is to receive data at the host scene by touch-screen or the digital board that has host platform, and generation hand-drawing graphics, simultaneously by DVI or VGA delivery outlet, by the high target Digital Image Processor, the video area of appointment in the computer is outputed to digital SDI or analog video in real time with digital signal or analog signal.2, the mode of software and hardware.This method is to come real-time collection site video data as a setting by Hardware I/O card, develop a cover Freehandhand-drawing software simultaneously and finish the drafting of figure, also in system, insert a captions image card as output or by the high target Digital Image Processor, the video area of appointment in the computer is outputed to digital SDI or analog video in real time with digital signal or analog signal.
These two kinds of schemes commonly used all have its limitation at present, and the cost of scheme 1 hardware concerning the user is too high, and the user must purchase brand-new hardware system and satisfy the demand.And the flexibility of this scheme and reusability are too poor, and do not have network function, can not satisfy the sport category Commentary Systems of on-the-spot comment, backstage broadcast.Scheme 2 has certain hardware cost, but relatively descend to some extent with first kind of scheme hardware cost, but the software development and maintenance cost will strengthen, the user must buy two complete equipments and achieve the goal, one cover system is used for the generation of Freehandhand-drawing pattern, and another set of system is responsible for the output of image.And do not possess the handling and live flexibility of network.
Summary of the invention
The objective of the invention is to defective, do not expanding under the existing system hardware devices circumstances, adopt the mode of software to provide a kind of more directly perceived, convenient, flexible on-site comment and hand-drawing method based on television subtitling system for the user at prior art.
Technical scheme of the present invention is as follows: a kind of on-site comment and hand-drawing method based on television subtitling system, this method is by client comment and Freehandhand-drawing systematic collection data, by the Socket agreement with the Freehandhand-drawing packing data and be real-time transmitted to server end, server end receives and resolution data, produce caption signal, caption signal is given cut bank again and is mixed the back broadcast with live view.
Aforesaid on-site comment and hand-drawing method based on television subtitling system, wherein, client can be used any desktop computer, the work station of supporting capture card or have pen and paint the notebook computer of function.
Aforesaid on-site comment and hand-drawing method based on television subtitling system, wherein, real-time collection site of client or prefabricated video background are drawn the comment figure or are analyzed current image content on the drawing board of real-time background, obtain the data of all figures of current drafting simultaneously in real time.
Aforesaid on-site comment and hand-drawing method based on television subtitling system, wherein, server end reduce the figure that the client operation personnel draw according to the data in real time of resolving in film titler, thus the generation caption signal.
Method provided by the present invention can not roll up user's hardware acquisition cost, do not need to be equipped with expensive digital image processing apparatus yet, the user only need utilize existing captions broadcast system, adding the simple client Freehandhand-drawing of editor system simultaneously gets final product, this mode adopts customer end/server mode, client is responsible for the drafting and the collection of Freehandhand-drawing data, and sending the data to the caption system of server end by the network ICP/IP protocol, caption system is responsible for receiving data and the real-time rendering data generate the captions picture.Because the physical culture live broadcast system of most TV stations, the broadcast of news and financial information all has caption system, so the present invention has made full use of existing captions and has broadcasted platform, and adopt the mode of network Broadcast Control, simplify user's hardware cost, increase user's operating flexibility, this mode is controlled and is broadcasted and need not be placed on same equipment or place, for the sport scene comment is very effective, most of sport scene comment all is that welcome guest or consultant comment at the scene, and broadcast system often carries out outside the venue, if take two kinds of schemes of prior art, it uses difficulty will be very big, and the present invention is owing to adopt customer end/server mode, and the mode that control separates with broadcast, can realize easily, thereby reduce user's input cost, the application flexibility of extending user.
Description of drawings
Fig. 1 is that module of the present invention is formed schematic diagram.
Fig. 2 is an application mode schematic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in detail.
Systematic connection of the present invention adopts C/S model, receive service end by on existing film titler, increasing software data, simultaneously by client comment and Freehandhand-drawing systematic collection data, by the Socket agreement with the Freehandhand-drawing packing data and be real-time transmitted to server end, server end is responsible for receiving resolution data and with data real-time rendering in caption system, produce caption signal, caption signal is given cut bank again and is mixed the back broadcast with live view.The data acquisition client can be used any desktop computer, work station and the notebook of supporting capture card.Employing has a notebook of painting function and is meant flexible way as client, and the purpose that installs capture card additional is for real-time playback background frame as a reference, draws reference intuitively for one of operating personnel.Adopting this mode client can be placed on any position comes the drafting of Control Server end to broadcast.
Specific implementation of the present invention can comprise two subsystems and four modules: FTP client FTP and service end system, four modules are: 1) the real time video collection playback module 2) pen paints data acquisition module 3) data compression parsing and transport module 4) Data Receiving and display module.When disposing, preceding 2 modules are deployed on the client device, and the 4th module is deployed in server end, and the 3rd module client and server end all can be disposed.
The major function that real time video collection playback module and pen are painted data acquisition module provides the real-time on-the-spot or prefabricated video background to operating personnel, this video background is gathered by capture card, on the drawing board of real-time background, draw the comment figure simultaneously or analyze current image content, will obtain the data of all figures of current drafting in real time simultaneously.It all is ripe prior art that video acquisition technology and pen are painted data acquisition technology, and therefore, those skilled in the art can realize the function of above-mentioned two modules fully.
The major function of data compression parsing and transport module will be divided two parts, mainly be responsible for real-time collection pen in client and paint data, and compress data into pen and paint packet, send to server end by the Socket agreement, because the essence of the not responsible figure of client output, just offer operating personnel and analyze and comment on the terminal of content according to the video pictures content, operating personnel's data of drawing are carried out final graphical display with regard to must real-time packing sending to server end like this.At server end, this module mainly is responsible for the parsing and the real-time rendering of data, because the data that client sends are compressed packages, this data must be resolved again just can be reduced into the receptible data of caption system, could produce figure in caption system.This module relates generally to data compression and analytic technique, and network transmission technology, also can be used for reference from existing mature technology and use, and those skilled in the art can realize fully.
Data Receiving and display module mainly are responsible for the pen of reception client packing and are painted data, resolve these data simultaneously, and in film titler, reduce the figure that the client operation personnel draw according to data in real time, this module mainly is to rely on the existing capability of caption system to be realized, produces caption signal in real time.Mix output by caption signal being given cut bank with the background frame of essence.
Method of the present invention is not limited to the embodiment described in the embodiment, and those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to technological innovation scope of the present invention equally.
Claims (4)
1. on-site comment and hand-drawing method based on a television subtitling system, it is characterized in that: this method is by client comment and Freehandhand-drawing systematic collection data, by the Socket agreement with the Freehandhand-drawing packing data and be real-time transmitted to server end, server end receives and resolution data, produce caption signal, caption signal is given cut bank again and is mixed the back broadcast with live view.
2. on-site comment and hand-drawing method based on television subtitling system as claimed in claim 1 is characterized in that: client can be used any desktop computer, the work station of supporting capture card or have pen and paint the notebook computer of function.
3. on-site comment and hand-drawing method based on television subtitling system as claimed in claim 1 or 2, it is characterized in that: real-time collection site of client or prefabricated video background, on the drawing board of real-time background, draw the comment figure or analyze current image content, obtain the data of all figures of current drafting simultaneously in real time.
4. on-site comment and hand-drawing method based on television subtitling system as claimed in claim 1 or 2 is characterized in that: server end reduce the figure that the client operation personnel draw according to the data in real time of resolving in film titler, thus the generation caption signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103042928A CN101472094A (en) | 2007-12-27 | 2007-12-27 | On-site comment and hand-drawing method based on television subtitling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103042928A CN101472094A (en) | 2007-12-27 | 2007-12-27 | On-site comment and hand-drawing method based on television subtitling system |
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| Publication Number | Publication Date |
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| CN101472094A true CN101472094A (en) | 2009-07-01 |
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| CNA2007103042928A Pending CN101472094A (en) | 2007-12-27 | 2007-12-27 | On-site comment and hand-drawing method based on television subtitling system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723089A (en) * | 2011-05-11 | 2012-10-10 | 新奥特（北京）视频技术有限公司 | Realization method and system for on-site data outputting and playing |
| CN102111576B (en) * | 2009-12-28 | 2015-04-29 | 新奥特（北京）视频技术有限公司 | Title generator capable of realizing manual line drawing |
| CN108718311A (en) * | 2018-05-18 | 2018-10-30 | 深圳市腾讯网络信息技术有限公司 | Webpage live broadcasting method, the apparatus and system of mobile terminal |
| CN111279687A (en) * | 2018-12-29 | 2020-06-12 | 深圳市大疆创新科技有限公司 | Video subtitle processing method and director system |
-
2007
- 2007-12-27 CN CNA2007103042928A patent/CN101472094A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111576B (en) * | 2009-12-28 | 2015-04-29 | 新奥特（北京）视频技术有限公司 | Title generator capable of realizing manual line drawing |
| CN102723089A (en) * | 2011-05-11 | 2012-10-10 | 新奥特（北京）视频技术有限公司 | Realization method and system for on-site data outputting and playing |
| CN102723089B (en) * | 2011-05-11 | 2015-11-18 | 新奥特（北京）视频技术有限公司 | A kind of scene exports data and the implementation method broadcasted and system |
| CN108718311A (en) * | 2018-05-18 | 2018-10-30 | 深圳市腾讯网络信息技术有限公司 | Webpage live broadcasting method, the apparatus and system of mobile terminal |
| CN111279687A (en) * | 2018-12-29 | 2020-06-12 | 深圳市大疆创新科技有限公司 | Video subtitle processing method and director system |
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