CN104065978B - A kind of method and system of media content positioning - Google Patents
A kind of method and system of media content positioning Download PDFInfo
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- CN104065978B CN104065978B CN201310094946.4A CN201310094946A CN104065978B CN 104065978 B CN104065978 B CN 104065978B CN 201310094946 A CN201310094946 A CN 201310094946A CN 104065978 B CN104065978 B CN 104065978B
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Abstract
The present invention relates to video display arts field, is concretely a kind of method and system of media content positioning, and wherein method includes central server and a plurality of carrier servers obtain media source file；The central server is analyzed the media source file, obtains the location information including locating frame based on programme content；The location information is sent to the matching unit of a plurality of carrier servers by the central server；The matching unit of the carrier server matches according to the location information to the media source file of the acquisition, obtains the accurate signature identification of media source file.Media fragmentation is realized by the transmission based on video content location information and associates content information with media frame, can be widely applied to DTV review and Internet video in carry out for insertion advertisement, the business such as presentation of information.
Description
Technical field
The present invention relates to video display arts field, is concretely a kind of method and system of media content positioning.
Background technology
With the propulsion of broadcasting and TV media overall development strategy, a variety of radio, film and television forms also constantly advance with mode.
Traditional media is progressively substituted by new media, and the emerging communications media based on information technology is led entirely with the posture of more active
Media comply with main flow and come into digital times.The main channel of information, high speed, effective audiovisual/visual information are obtained as the following public
Storage and way to manage more seem important.
Operation commercial city is to record program according to EPG time, when user reviews some TV programme by DTV, fortune
Seek business and corresponding TV programme are played back according to EPG time, but in the prior art due to the network delay of operator, EPG
Time record or play section object time with true and have several seconds even gap of a few minutes, when user can see some program
It can not accurately always be shown since program.Such case is different with regard to more obvious for numerous operators
The time that operator plays same television program is not quite identical, therefore operator wants to add one in existing video flowing
A little special applications are, it is necessary to individually design the method for complete set to implement, such cost is very high.
The content of the invention
In order to solve the problems, such as video location in the prior art, the embodiments of the invention provide a kind of media content positioning
Method and system, it is special in video by concentrating each local video operator of the mode of positioning video accurately to obtain
The location information of frame of video is determined, so as to carry out a variety of applications.
The embodiments of the invention provide a kind of media content positioning method, including：
Central server and a plurality of carrier servers obtain media source file；
The central server is analyzed the media source file, obtain based on programme content include locating frame and
Location information including real-time time；
The location information is sent to the matching unit of a plurality of carrier servers by the central server；
The matching unit of the carrier server is carried out according to the location information to the media source file of the acquisition
Matching, obtains the accurate signature identification of media source file, including：A frame of video is determined in media source file using real-time time
Scope, then found in the frame of video scope with the locating frame identical frame of video, it is final determine only one with it is described
Locating frame identical frame of video is as signature identification；
The carrier server is cut the media source file according to the signature identification, generates piece of video
Section, and store corresponding label；When receiving when reviewing instruction of user terminal transmission, review instruction according to described and search out accordingly
Label, according to the label to the user terminal play video segment.
A further aspect of a kind of described media content positioning method according to embodiments of the present invention, the program
Content includes programm name, character features, or scene characteristic；The locating frame is that a certain frame in the media source file regards
Frequency image.
Another further aspect of a kind of described media content positioning method according to embodiments of the present invention, is directed to
The location information of live broadcast stream media also includes real-time time and/or timer reference of programs, for the location information of file Streaming Media
Also include File Percent and/or voice data.
Another further aspect of a kind of described media content positioning method according to embodiments of the present invention, in described
Central server also generates the label related to location information, programme content is recorded in the label, and the label is sent to again
The matching unit of several carrier servers.
Another further aspect of a kind of described media content positioning method according to embodiments of the present invention, is being obtained
Also include after the accurate signature identification of media source file, the carrier server determines according to the signature identification and label
The programme content of signature identification, described in the frame of video insertion related information where signature identification, when being played to the frame of video
The related information is sent to user terminal.
Another further aspect of a kind of described media content positioning method according to embodiments of the present invention, the fortune
The matching unit for seeking business's server is directed to the live broadcast stream media recorded using the real-time time and/or program clock in location information
Benchmark carries out Primary Location to the media source file, recycles the locating frame to match video in the section of Primary Location
Frame, find with the locating frame identical frame of video as signature identification；
Or the matching unit of the carrier server uses the file percentage in location information for file Streaming Media
Than and/or voice data carry out Primary Location, recycle the locating frame to match frame of video in the section of Primary Location, find
With the locating frame identical frame of video as signature identification.
The embodiment of the present invention additionally provides a kind of system of media content positioning, including：
Central server, a plurality of carrier servers, the matching unit of carrier server；
The central server and a plurality of carrier servers obtain media source file；
The central server is analyzed the media source file, obtains existing including locating frame based on programme content
Interior location information, the location information is sent to the matching unit of a plurality of carrier servers；
The matching unit of the carrier server is carried out according to the location information to the media source file of the acquisition
Matching, obtains accurate signature identification, including：A frame of video scope is determined in media source file using real-time time, then
Found in the frame of video scope identical with the locating frame with the locating frame identical frame of video, final determination only one
Frame of video as signature identification；
The carrier server also includes video segment cutter unit, memory cell, search unit, transmitting element；Institute
State video segment cutter unit to be cut the media source file according to the signature identification, generate video segment；It is described
Memory cell, for label to be carried out into binding storage with corresponding video segment；The search unit, for being sent out according to user terminal
The label reviewed instruction and find corresponding video fragment sent；The transmitting element, for according to the label to the user terminal
Play video segment.
A further aspect of described a kind of media content positioning system according to embodiments of the present invention, the center
Server also includes tag unit, generates the label related to location information, programme content is recorded in the label, genuinely convinced in described
The label is sent to the matching unit of a plurality of carrier servers by business device.
Another further aspect of described a kind of media content positioning system according to embodiments of the present invention, the fortune
Battalion's business's server also includes determining unit, for determining the programme content of signature identification according to the signature identification and label；Insert
Enter unit, in the frame of video insertion related information description where signature identification；Transmitting element, when being played to the frame of video
The related information is sent to user terminal.
The embodiment of the present invention realizes media fragmentation by the transmission based on video content location information and media frame is closed
Join content information, can be widely applied to DTV review and Internet video in carry out for insertion advertisement, the industry such as presentation of information
Business.
Brief description of the drawings
Read the detailed description to embodiment in conjunction with the following drawings, features described above and advantage of the invention, and extra
Feature and advantage, it will clearer.
Fig. 1 gives the flow chart of media content positioning method a kind of according to one embodiment of present invention；
Fig. 2 show a kind of system construction drawing of media content positioning of the embodiment of the present invention；
Fig. 3 show the flow chart that media content positioning of the embodiment of the present invention is applied to review business；
Fig. 4 show the flow chart that media content positioning of the embodiment of the present invention is applied to content identification.
Embodiment
Following description can make any those skilled in the art using the present invention.Provided in specific embodiment and application
Description information it is merely illustrative.The various extensions and combination of embodiment as described herein are aobvious for those skilled in the art
And be clear to, without departing from the spirit and scope of the present invention, the rule that the present invention defines may apply to it
In his embodiment and application.Therefore, the present invention is not limited solely to shown embodiment, and the present invention covers and principle illustrated herein and spy
Levy consistent maximum magnitude.
Following detailed description provides in the form of flow chart, logic module and other symbol manipulations are expressed, Ke Yi
Performed in computer system.One program, computer perform step, logical block, process etc., are envisioned for obtaining herein desired
The one or more steps of result or the self-consistent sequence of instruction.These steps are the physical operations to physical quantity.These physics
Amount includes electricity, magnetic or radio signal, and they are stored, transmitted in computer systems, combined, compared and other behaviour
Make.These signals can be bit, numerical value, element, symbol, character, condition, numeral etc..Each step can be by hardware, soft
Part, firmware or combinations thereof perform.
Fig. 1 gives the flow chart of media content positioning method a kind of according to one embodiment of present invention.
Including step 101, central server and a plurality of carrier servers obtain media source file.
Programming source can be DVB-C either DVB-S or other modes.
Step 102, the central server is analyzed the media source file, obtains including based on programme content
Location information including locating frame.
The programme content can include programm name, character features, or scene characteristic etc..
The locating frame is a certain frame video image in the media source file.
Being directed to the location information of live broadcast stream media also includes real-time time and/or timer reference of programs (PCR), for text
The location information of part Streaming Media also includes File Percent and/or voice data.
Step 103, the location information is sent to the matchings of a plurality of carrier servers and set by the central server
It is standby.
The location information is fabricated to after xml document and is sent to a plurality of carrier services by the central server
The matching unit of device, wherein, the operator includes digital TV network carrier server or internet video provides fortune
Seek business's server.
The central server also generates the label related to location information, records programme content in the label, and by institute
State the matching unit that label is sent to a plurality of carrier servers.
Step 104, source of media of the matching unit of the carrier server according to the location information to the acquisition
File is matched, and obtains the accurate signature identification of media source file.
Also include after above-mentioned steps 104, the carrier server is according to the signature identification by the source of media
File is cut, and generates video segment, and store corresponding label；When receive user terminal transmission when reviewing instruction, root
Review instruction according to described and search out corresponding label, video segment is played to the user terminal according to the label.
Also include after above-mentioned steps 104, the carrier server determines special according to the signature identification and label
Levy mark programme content, where signature identification frame of video insertion related information description, when being played to the frame of video to
User terminal sends the related information.
The matching unit of the carrier server for record live broadcast stream media use location information in it is real-time when
Between and/or timer reference of programs to the media source file carry out Primary Location, recycle the locating frame in Primary Location
Frame of video is matched in section, is found with the locating frame identical frame of video as signature identification.
The matching unit of the carrier server for file Streaming Media use location information in File Percent and/
Or voice data carries out Primary Location, recycles the locating frame to match frame of video in the section of Primary Location, finds and institute
Locating frame identical frame of video is stated as signature identification.
, can be by the unified accurate positioning video section destination locations of mode by the above embodiments, will not be due to
The difference of video playback is caused in the geographical position of each place operator, network delay；And can be in video frequency program it is appropriate
Moment adds related information, such as advertisement or recommended information etc., improves the convenience of user profile acquisition；By based on regarding
The transmission of frequency content location information realizes media fragmentation and associates content information with media frame, can be widely applied to DTV
Review and Internet video is directed to advertising lamp business.
It is illustrated in figure 2 a kind of system construction drawing of media content positioning of the embodiment of the present invention.
Including central server 201, a plurality of carrier servers 202, the matching unit 203 of carrier server.
The central server 201 and a plurality of carrier servers 202 obtain media source file；
The central server 201 is analyzed the media source file, obtains including positioning based on programme content
Location information including frame, the location information is sent to the matching unit 203 of a plurality of carrier servers.
The matching unit 203 of the carrier server enters according to the location information to the media source file of the acquisition
Row matching, obtains accurate signature identification.
The central server 201 also includes tag unit 2011, the generation label related to location information, in the label
Programme content is recorded, the label is sent to the matching unit of a plurality of carrier servers by the central server 201
203。
The carrier server 202 also includes video segment cutter unit 2021, memory cell 2022, search unit
2023, transmitting element 2024；The video segment cutter unit 2021 enters the media source file according to the signature identification
Row cutting, generates video segment；The memory cell 2022, for label to be carried out into binding storage with corresponding video segment；
The search unit 2023, for the label reviewed instruction and find corresponding video fragment sent according to user terminal；The transmission
Unit 2024, for playing video segment to the user terminal according to the label.
The carrier server 202 also includes determining unit 2025, for according to the signature identification and label determination
The programme content of signature identification；Unit 2026 is inserted, in the frame of video insertion related information description where signature identification；Hair
Unit 2024 is sent, the related information is sent to user terminal when being played to the frame of video.
The carrier server 202 can individually only include above-mentioned transmitting element 2024, determining unit 2025 and insertion
Unit 2026.
, can be by the unified accurate positioning video section destination locations of mode by the above embodiments, will not be due to
The difference of video playback is caused in the geographical position of each place operator, network delay；And the present invention realizes media fragmentation
Content information is associated with media frame, can be widely applied to that DTV is reviewed and Internet video is directed to advertising lamp business.
It is illustrated in figure 3 the flow chart that media content positioning of the embodiment of the present invention is applied to review business.
Include in the present embodiment, positioned at Pekinese's carrier server 1, the carrier server 2 positioned at Shanghai, be located at
The time delay that Pekinese's carrier server 1 receives live media source file is 30 seconds, and the carrier server 2 positioned at Shanghai connects
The time delay for receiving live media source file is 45 seconds, and carrier server 1 and carrier server 2 and central server 3 are simultaneously
Live media source file is received by digital video broadcast for cable (DVB-C) or DTV satellite broadcasting (DVB-S), it is described
Live media source file is recorded on carrier server 1 and carrier server 2, for reviewing user terminal in business
Review.In conventional technology user terminal review be using the time in electronic program guides (EPG) as play starting point, but by
Certain delay is respectively provided with when carrier server 1 and carrier server 2 are recording program, so being sent back to user terminal
Video frequency program corresponding to seeing includes time delay, i.e. and the video frequency program sent to user always postpones 30 seconds or 45 seconds,
User terminal can not accurately review the beginning of video frequency program.
Solve the above problems by the following means in embodiments of the present invention：
Step 301, central server 3 is carried out by carrying out video analysis to live media source file, such as to TV play A
Video analysis, using the frame of video at the beginning and end of TV play A as locating frame, and record current real-time time, example
Such as the time started 8：30, or the timer reference of programs recorded when starting is 8:30:20, wherein because each second has 25 frames
Frame of video, a wide range of time when real-time time is record location frame, timer reference of programs are the timestamp of media source file, should
Timestamp records the time range smaller than real-time time, can only all indicate to regard in real-time time or timer reference of programs
The scope of frequency frame, specifically which frame of video can not be accurately indicated, in this example location information only include real-time time and
Locating frame, in other examples location information can also include timer reference of programs.
Central server 3 can also be it is determined that record television play A title information be as should during locating frame in this step
The label of location information.
Step 302, the location information including locating frame, real-time time and label is made as xml by the central server 3
File, the carrier server 2 positioned at Pekinese's carrier server 1 and positioned at Shanghai is sent to by satellite.
Step 303, the carrier server 2 positioned at Pekinese's carrier server 1 and positioned at Shanghai is utilized respectively described
Location information matches to live media source file, finds accurate signature identification.
Wherein, approximate range is determined in media source file using real-time time, real-time time is 8 in this example:30,
1 minute frame of video scope is exactly determined, then searching and the locating frame identical frame of video in the frame of video of 1 minute,
It is final to determine only one with the locating frame identical frame of video as signature identification.It can be avoided by method so
Complex calculation and the operation of locating frame are matched in the frame of video of magnanimity, mitigates system burden, and shorten match time.
The signature identification in media source file can be obtained by above-mentioned mode carrier server, the spy can be utilized
Sign represents to carry out a variety of operations, to meet the needs of different user.
Step 304, positioned at Beijing carrier server 1 and positioned at Shanghai carrier server 2 according to the feature mark
Knowledge is cut to the media source file, generation TV play A video segment, and records mark corresponding with the video segment
Label, that is, record the programm name of the video segment：TV play A.
Wherein, the location information not only includes frame of video when TV play A starts, and can also terminate including TV play A
When frame of video, the signature identification in the media source file also just identifies TV play beginning and end, cut
When can be cut according to the signature identification of TV play beginning and end.
Step 305, receive user terminal transmission reviews instruction, and this is reviewed instruction and wants to review program including at least user
The numbering of title or program, it is in this example the title TV play A of program.
Step 306, according to it is described review instructions match described in label, be sent to user after searching out corresponding video segment
End.
Although in this example positioned at Beijing carrier server 1 and positioned at Shanghai carrier server 2 in record tv play A
When there is delay, if finding the programme content reviewed according to programm name, the programm name corresponds to standard in the epg
Time, and the time of the standard is not actually the initial time (because delay 30 seconds) for recording the program, therefore to user
30 seconds and the TV play A to be reviewed incoherent other programme contents can be sent when sending the program.
By above-mentioned method, locating frame and label can accurate positioning television play A beginning, no matter operator postpone
How much, if using frame of video as location information, it can accurately find the starting point for the TV play A to be reviewed.
It is illustrated in figure 4 the flow chart that media content positioning of the embodiment of the present invention is applied to content identification.
Include in the present embodiment, internet video server 1, central server 2, the media source file in the present embodiment
For the static program file of file Streaming Media, static program file is had been positioned in carrier server 1 and central server 2.
Step 401, central server 2 is analyzed static program file, will appear from regarding for particular persons or things
Frequency frame records the percentage for currently belonging to whole static program file as locating frame, such as 5%, or current sound
Frequency information, the File Percent can be used for the position for substantially determining locating frame, can also be saved using audio-frequency information in static state
Positioned in mesh file, it is hereby achieved that the position of locating frame.The positioning of the File Percent and audio-frequency information can only refer to
Show the scope of frame of video, specifically which frame of video can not be accurately indicated, by locating frame determine occur particular persons or
The position of person's things, only includes File Percent in the present embodiment.
Central server 2 is also it is determined that record the information of particular persons or things during locating frame as should in this step
The label of location information.
Step 402, the location information including locating frame, File Percent and label is made as by the central server 2
Xml document, internet video server 1 is sent to by satellite.
Step 403, the internet video server 1 using the location information to live media source file carry out
Match somebody with somebody, find accurate signature identification.
Wherein, approximate range is determined in media source file using File Percent, File Percent in this example is
5%, frame of video scope is determined in 5% position of the media source file, is then found and locating frame phase in this section of frame of video
Same frame of video, it is final to determine only one with the locating frame identical frame of video as signature identification.
Step 404, internet video server 1 determines the programme content of signature identification according to label, is identified in this feature
The frame of video insertion related information description at place.
For example, locating frame is to occur performer A frame of video in media source file in this example, label is the surname of the performer A
Name, the related information of insertion are described as the brief introduction of the performer A.
Step 405, the order triggered when the frame of video where receiving user terminal and being played to this feature mark, it is described mutual
Networked video server 1 sends the brief introduction of the performer A to user terminal.
, can be by the unified accurate positioning video section destination locations of mode by the above embodiments, will not be due to
The difference of video playback is caused in the geographical position of each place operator, network delay；And can be in video frequency program it is appropriate
Moment adds related information, such as advertisement or recommended information etc., improves the convenience of user profile acquisition；By based on regarding
The transmission of frequency content location information realizes media fragmentation and associates content information with media frame, can be widely applied to DTV
Review and Internet video is directed to advertising lamp business.
The present invention can realize in any suitable form, including hardware, software, firmware or their any combination.This
Invention can according to circumstances selectively part be realized, for example, software performing in one or more data processors and
Digital signal processor.The element and component of this paper each embodiment can be fitted with any physically, functionally, in logic
When mode realize.In fact, One function can in separate unit, in one group of unit or be used as other functional units
A part realize.Therefore, the system and method can both be realized in separate unit, can also be physically and functionally
It is distributed between different unit and processor.
Technical staff in the related art will recognize that embodiments of the invention have many possible modifications and group
Close, although form is slightly different, still using identical fundamental mechanism and method.For purposes of explanation, it is described above to reference to
Several specific embodiments.However, above-mentioned illustrative discussion is not intended to the precise forms that exhaustive or limitation is invented herein.Before
Shown in text, many modifications and variations are possible.Selected and described embodiment, to explain the principle and in fact of the present invention
Border is applied, to enable repairing for application-specific of the those skilled in the art best using of the invention and each embodiment
Change, deform.
Claims (8)
- A kind of 1. media content positioning method, it is characterised in that including：Central server and a plurality of carrier servers obtain media source file；The central server is analyzed the media source file, obtain based on programme content include locating frame and in real time Location information including time；The location information is sent to the matching unit of a plurality of carrier servers by the central server；The matching unit of the carrier server matches according to the location information to the media source file of the acquisition, The accurate signature identification of media source file is obtained, including：A frame of video scope is determined in media source file using real-time time, Then found in the frame of video scope and the locating frame identical frame of video, final determination only one and the locating frame Identical frame of video is as signature identification；The carrier server is cut the media source file according to the signature identification, generates video segment, and Store corresponding label；When receiving when reviewing instruction of user terminal transmission, review instruction according to described and search out corresponding mark Label, video segment is played to the user terminal according to the label.
- 2. a kind of media content positioning method according to claim 1, it is characterised in that the programme content includes program Title, character features, or scene characteristic；The locating frame is a certain frame video image in the media source file.
- 3. a kind of media content positioning method according to claim 1, it is characterised in that the central server also generates The label related to location information, programme content is recorded in the label, and the label is sent to a plurality of carrier services The matching unit of device.
- 4. a kind of media content positioning method according to claim 3, it is characterised in that accurate obtaining media source file Signature identification after also include, the carrier server determines the program of signature identification according to the signature identification and label Content, in the frame of video insertion related information description where signature identification, being sent when being played to the frame of video to user terminal should Related information.
- A kind of 5. media content positioning method according to claim 3, it is characterised in that of the carrier server The live broadcast stream media recorded is directed to equipment using the real-time time in location information and/or timer reference of programs to the media Source file carry out Primary Location, recycle the locating frame to match frame of video in the section of Primary Location, find with it is described fixed Position frame identical frame of video is as signature identification；Or the matching unit of the carrier server uses the File Percent in location information for file Streaming Media And/or voice data carry out Primary Location, recycle the locating frame to match frame of video in the section of Primary Location, find with The locating frame identical frame of video is as signature identification.
- A kind of 6. system of media content positioning, it is characterised in that including：Central server, a plurality of carrier servers, the matching unit of carrier server；The central server and a plurality of carrier servers obtain media source file；The central server is analyzed the media source file, obtain based on programme content include locating frame and in real time Location information including time, the location information is sent to the matching unit of a plurality of carrier servers；The matching unit of the carrier server matches according to the location information to the media source file of the acquisition, Accurate signature identification is obtained, including：A frame of video scope is determined in media source file using real-time time, is then regarded at this Found in frequency frame scope and the locating frame identical frame of video, final determination only one and the locating frame identical video Frame is as signature identification；The carrier server also includes video segment cutter unit, memory cell, search unit, transmitting element；It is described to regard Frequency fragment cutter unit is cut the media source file according to the signature identification, generates video segment；The storage Unit, for label to be carried out into binding storage with corresponding video segment；The search unit, for what is sent according to user terminal Review the label that corresponding video fragment is found in instruction；The transmitting element, for being played according to the label to the user terminal Video segment.
- 7. the system of a kind of media content positioning according to claim 6, it is characterised in that the central server also wraps Tag unit is included, generates the label related to location information, programme content is recorded in the label, the central server is by described in Label is sent to the matching unit of a plurality of carrier servers.
- 8. the system of a kind of media content positioning according to claim 7, it is characterised in that the carrier server is also Including determining unit, for determining the programme content of signature identification according to the signature identification and label；Insert unit, for Frame of video insertion related information description where signature identification；Transmitting element, sent when being played to the frame of video to user terminal The related information.
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| CN105704138A (en) * | 2016-03-14 | 2016-06-22 | 浪潮（苏州）金融技术服务有限公司 | Method of implanting third party information in streaming media data by using multi-dimension technology |
| TWI718355B (en) * | 2018-01-05 | 2021-02-11 | 中華電信股份有限公司 | Device and method for triggering commercial of digital television program |
| CN110225411A (en) * | 2019-05-31 | 2019-09-10 | 北京奇艺世纪科技有限公司 | The segment of programme televised live reviews method, system, computer equipment and medium |
| CN113630644B (en) * | 2021-06-29 | 2024-01-30 | 北京搜狗科技发展有限公司 | Editing method, device and storage medium of video content editor |
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