CN107197368A - Determine method and system of the user to multimedia content degree of concern - Google Patents

Determine method and system of the user to multimedia content degree of concern Download PDF

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Publication number
CN107197368A
CN107197368A CN201710311715.2A CN201710311715A CN107197368A CN 107197368 A CN107197368 A CN 107197368A CN 201710311715 A CN201710311715 A CN 201710311715A CN 107197368 A CN107197368 A CN 107197368A
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barrage
period
time
content
real
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CN107197368B (en
Inventor
纪琦华
蒲珂
曾泽基
李哲山
胡彬
方宏
蔡忠善
张毅萍
魏明
蔡辉
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China Science And Technology Co Ltd
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China Science And Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/44Processing 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
    • H04N21/44008Processing 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 operations for analysing video streams, e.g. detecting features or characteristics in the video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/435Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44213Monitoring of end-user related data
    • H04N21/44222Analytics of user selections, e.g. selection of programs or purchase activity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/466Learning process for intelligent management, e.g. learning user preferences for recommending movies
    • H04N21/4667Processing of monitored end-user data, e.g. trend analysis based on the log file of viewer selections

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Social Psychology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The present invention relates to a kind of determination user to the method for multimedia content degree of concern, for the determination of barrage video-frequency playing content, it at least includes:The reproduction time of target video is divided into multiple period s, and each period s real-time barrages occurred are grouped;The figure of merit of the real-time barrage of correspondence each period s record packet, and weight analysis is carried out according to the figure of merit of real-time barrage, obtain the importance value θ of the video segment of correspondence period s;According to the importance value θ of the video segment, the video content of user's concern is determined.This method has the advantages that accuracy is high, real-time.

Description

Determine method and system of the user to multimedia content degree of concern
Technical field
The present invention relates to video processing technique, more particularly to a kind of determination user is to multimedia content degree of concern Method and system, the degree of concern for barrage video content is determined.
Background technology
Video content has become the pith of internet traffic, and the history that video content is watched by analyzing user is remembered Record, obtains the hobby of user, can improve Consumer's Experience, and targetedly provides in media content or advertisement, raising perhaps The interests of advertising provider.It is existing typically to obtain preference of the user to video content by data such as video click rate, flows, this Analysis is planted to the preference for whole video content, the analysis for the importance of video interior segments also lacks automated analysis Method.
For the technical problem, patent CN103503467B discloses a kind of method for determining user's attentinal contents and set It is standby, by recording operating point and corresponding time point of the user when watching video, determined according to operating point corresponding time point The starting point and end point of video segment, and the operating point carried out according to the determination video segment determines the video segment Importance value, so that it is determined that user concern video content;Specific operating point is broadcastings, pause, F.F., rewind, slowly Enter, move back, scale slowly.This method realizes the significance level of the mark video segment content of automation, but user is when being operated Operating point be intended to not single, except using slow-motion, rewind to video preference, preference is not using F.F. etc., it is also possible to exist Viewing midway is left, other people are situations such as add viewing, and operating point is not being judged in the range of importance value caused by this kind of situation, It influences the accuracy rate of video segment importance value.
On the other hand, existing barrage watches the exchange evaluation meanses of user as conventional Internet video, with experience Property high, real-time and the characteristics of have a strong temperament;Applicant thinks that barrage is very intuitive and accurate and has reacted beholder real-time network is regarded The fancy grade of frequency fragment is extremely effectively and accurate to the judgment criteria of Internet video content attention rate as user.
The content of the invention
It is an object of the invention to overcome defect of the prior art, design is a kind of to determine user to multimedia inner cylinder The method of degree of concern, carries out the judge of degree of concern mainly for the contents fragment of barrage video, is determined from information is judged The importance value of video interior segments, and then the video content of user's concern can be determined according to importance value;This method Have the advantages that accuracy is high, real-time.
To achieve the above object, the technical solution adopted in the present invention is that a kind of determination user is closed to multimedia content The method of note degree, methods described is used for the determination of barrage video-frequency playing content, and it at least includes:
The reproduction time of target video is divided into multiple period s, and each period s real-time barrages occurred are entered Row packet;
The figure of merit of the real-time barrage of correspondence each period s record packet, and entered according to the figure of merit of real-time barrage Row weight analysis, obtains the importance value θ of the video segment of correspondence period s;
According to the importance value θ of the video segment, the video content of user's concern is determined;
The figure of merit of the real-time barrage includes barrage quantity ε and delivers the number of users η of barrage;Correspondence period s Video segment importance value θ=ε ω1+ηω2, the ω1For weight coefficient of the barrage quantity in evaluation system, institute State ω2To deliver weight coefficient of the number of users of barrage in evaluation system.
Present invention also offers a kind of system for determining user to content of multimedia degree of concern, the system is at least wrapped Include:
Fragment and barrage grouped element are played, for the reproduction time of target video to be divided into multiple period s, and will The real-time barrage that each period s occurs is grouped;
Fragment barrage recording unit is paid close attention to, for the figure of merit of the real-time barrage of correspondence each period s record packets, institute Stating the figure of merit of real-time barrage includes barrage quantity ε and delivers the number of users η of barrage;
Fragment barrage statistics and analytic unit are paid close attention to, the figure of merit for counting real-time barrage obtains correspondence period s Video segment importance value θ, and according to importance value θ determine user pay close attention to video content.
From upper technical scheme, the present invention judges user to this by the statistical analysis to target video barrage information The degree of concern of video segment, carries out automation mark, and obtain the importance number of video segment by directly perceived, accurate barrage information Value, is that can determine that the video content that user pays close attention to according to importance value;This method is novel, accuracy is high and real-time, obtains The concern information gone out is more diversified.
Brief description of the drawings
Fig. 1 is present invention determine that user is to the schematic flow sheet of the embodiment of content of multimedia degree of concern method one;
Fig. 2 is present invention determine that user is to the structural representation of the embodiment of content of multimedia degree of concern system one;
Fig. 3 is present invention determine that user is to the schematic flow sheet of content of multimedia degree of concern method second embodiment;
Fig. 4 is present invention determine that user is to the structural representation of content of multimedia degree of concern system second embodiment.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is further described.Following examples are only For clearly illustrating technical scheme, and it can not be limited the scope of the invention with this.
Fig. 1 is present invention determine that user illustrates to the flow of the embodiment of method one of multimedia content degree of concern Figure, this method includes:
Step 11:The reproduction time of target video is divided into multiple period s, and the reality that each period s is occurred When barrage be grouped;
Step 12:The figure of merit and content of the real-time barrage of correspondence each period s record packet, and according to real-time barrage Figure of merit carry out weight analysis, obtain correspondence period s video segment importance value θ;
Wherein, the figure of merit of the real-time barrage includes barrage quantity ε and delivers the number of users η of barrage;When to correspondence Between section s video segment importance value θ=ε ω1+ηω2, the ω1The weight system for being barrage quantity in evaluation system Number, the ω2To deliver weight coefficient of the number of users of barrage in evaluation system;
Step 13:According to the importance value θ of the video segment, the video content of user's concern is determined.
The video content segments that multiple users pay close attention to can directly be determined by the above method;First determined relative to documents Unique user is counted to the video content that multiple users pay close attention to again, and the method for determining the importance number of video content is more high Imitate, directly.
Fig. 2 is the structural representation of determination user in the embodiment of the present invention to the system of multimedia content degree of concern Figure, including play fragment and barrage grouped element, concern fragment barrage recording unit and concern fragment barrage statistics and analyze Unit.
Wherein, playing fragment and barrage grouped element is used to the reproduction time of target video being divided into multiple period s, And be grouped each period s real-time barrages occurred.Paying close attention to fragment barrage recording unit is used for correspondence each period s The figure of merit and content of the real-time barrage of record packet, the figure of merit of the real-time barrage include barrage quantity ε and delivered The number of users η of barrage.Concern fragment barrage statistics and analytic unit are used for the figure of merit for counting real-time barrage, when obtaining to correspondence Between section s video segment importance value θ, and according to importance value θ determine user pay close attention to video content.
Flow of the user to the method second embodiment of multimedia content degree of concern is determined in the embodiment of the present invention Schematic diagram is as indicated at 3.
Step 31, the reproduction time of target video is divided into multiple period s, and the phase that each period s is occurred It is grouped to postponing real-time barrage;
Because in practical operation, video viewers often watch and delivering for barrage are just carried out after some picture really (i.e. picture has been broadcast), needs to occupy word input time to the evaluation barrage of the picture, typically the real-time barrage of meeting respective picture Have certain delay, it is therefore desirable to which the initial time of delivering to real-time barrage is adjusted.Specifically, the real-time bullet of relative delay Curtain method of adjustment be:Certain time period s initial time is t1, the termination time is t2;It is divided into the reality of period s groups When barrage group deliver time initial time for t1+ 1 second~t1+ 5 seconds, the termination time was t2+ 1 second~t2+ 5 seconds.
For example, period s initial time is 00:30, the time that terminates is 02:00, then the real-time bullet of period s groups The initial time of delivering of curtain group is 00:31~00:35, it is 02 to deliver the termination time:01~02:05.Delay 1 shown in the present invention ~5s is only preferred scheme, and specific time delay can input font to delivering operation in practical operation according to multiple users Between take length average after judged.
Step 32, the figure of merit and content for corresponding to the real-time barrage of each period s record packets;
Step 33, the evaluation content to record are filtered;
Real-time barrage information to acquisition carries out the automatic identification that same barrage user repeats barrage content, is identified as repeating During barrage content, barrage quantity is only designated as 1.Specific automatic identifying method:It is multiple that same user delivers in certain period s Barrage is compared, and compares text overlays rate and reaches more than 80%, is considered as the barrage content of repetition.
For example, where in two barrage contents that same user delivers " scape Wei not be obtainedIt is super to praise!!!" " where take Obtain scapePraise very much!!!", the text overlays rate of two barrage contents reaches more than 80%, and its barrage quantity is only designated as into 1, and It is not 2.
Step 34, the figure of merit progress weight analysis by effective real-time barrage after filtering, obtain correspondence period s The importance value θ of video segment;
Wherein, the figure of merit of the real-time barrage includes barrage quantity ε and delivers the number of users η of barrage;When to correspondence Between section s video segment importance value θ=ε ω1+ηω2, the ω1The weight system for being barrage quantity in evaluation system Number, the ω2To deliver weight coefficient of the number of users of barrage in evaluation system.Its specific weight coefficient is in practical application In set as the case may be, the present invention is not specifically limited, and preferably delivers the weight coefficient ω of the number of users of barrage2Greatly In the weight coefficient ω of barrage quantity1
Step 35, the size according to the importance value θ of above-mentioned video segment, and then determine in the video of user's concern Hold.
The determination user that Fig. 3 also show the present invention refers to another evaluation in multimedia content degree of concern method Target determines method.Each period s real-time barrage of packet is recorded on the basis of method second embodiment, in step 32 Evaluation content has also been recorded while evaluating quantity, and evaluation content can also be entered in addition to for filtering information by following methods The determination of attitude is disliked in the degree of concern of row fragment video and happiness.This method is according to shared by different evaluation content direction after step 32 Proportion, with determine correspondence period s video segment in focus particularly on content and the evaluation to attentinal contents, it is specific as follows.
Step 43, the evaluation content of the real-time barrage of each period s records are pre-processed;
Wherein, above-mentioned preprocess method includes:
(1) barrage content is cleaned, removes noise data;
Specifically, there may be in barrage information, some can not react viewing user's happiness evil attitude or system thinks useless Noise data, such as numeral, network address and some spcial characters, these data do not have any use to system text analyzing, Therefore remove.
(2) participle is carried out to the barrage Chinese text after cleaning, and the everyday words in participle or stop words are deleted;
, can be with Chinese word segmentation instrument of increasing income, such as based on java languages when the Chinese text after to cleaning carries out participle Say lightweight Chinese word segmentation kit IKAnalazer, Paoding of exploitation etc.;Some everyday words of presence after participle and stop Word, if " " "Yes" " but " etc. is, it is necessary to be deleted.
(3) number of times of each participle appearance is counted, while carrying out attribute point to wherein commendatory term, neutral words and derogatory term Class, and store.
While the number of times occurred in each participle after by processing is counted, by each participle according to Chinese meaning of a word number Carry out automatic identification according to the classification in storehouse, carried out being divided into three generic attributes according to the ownership of its commendation, derogatory sense or neutrality, and by its Store into barrage content data base.
Counted after step 44, processing according to evaluation content direction, the proportion size shared by statistics different evaluation content;
The statistics in evaluation content direction is carried out with reference to participle attribute and number of times;Specifically, the participle of commendation attribute is divided into Direction is liked to video segment, the participle of derogatory sense attribute is divided into direction is detested to video segment, the participle of neutral attribute is drawn For to the noninductive direction of video segment.
Step 45, according to the proportion size determine correspondence period s video focus particularly on content and to attentinal contents Evaluate.
After statistics, the participle proportion in three directions is compared, the concern video is used as using heavy direction The evaluation attitude of segment contents.On the other hand, also it can determine that viewing user regards to this according to the most participle of statistics occurrence number It is most that someone name of the content particularly paid close attention in frequency fragment, such as video segment weighs up existing number of times, it is known that the personage uses for viewing The high object of family concern rate.
The determination user that Fig. 3 also show the present invention determines the excellent of result to multimedia content degree of concern method pair Change.Meticulous due to may divide group when dividing group, the period is smaller, and the group of whole video excessively causes to evaluate As a result excessively disperse, not enough intuitively.On the basis of the second embodiment of the inventive method, following steps are also included after step 35 Suddenly.
Step 36-1, according to the difference between each time adjacent segments s importance value θ, and sentenced according to size of the difference It is disconnected whether to meet merging condition;If reaching merging condition, merge.
Specifically, as period snBefore or after period smImportance value θmIn period snImportance Numerical value θnExpanded range value in, then set up new period sa;The period sa=sn+sm, period saImportance number Value θaFor importance value θnWith importance value θmAverage.
For example, period snImportance value θnFor 14.08, its expanded range value θn± 2, i.e. expanded range value is 12.08-16.08.As period snPeriod s beforemImportance value θmFor 13.02 when, judge that it belongs to period sn's Importance value θnExpanded range value in, how to merge condition, will merge two periods, the period s after merginga's Initial time is in preceding period smInitial time, its terminate time be in rear period snThe termination time.And importance number Value θa=13.55.
As period snPeriod s beforem+1Importance value θm+1Period s afterwardsm+2Importance value θm+2In period snImportance value θnExpanded range value in, then set up new period sa;The period sa=sn +sm+1+sm+2, period saImportance value be θn、θm+1And θm+2Average.
In another embodiment, also comprise the steps after step 35.
Step 36-2, as period snImportance value θnWith time adjacent segments smImportance value θmBetween difference Value is more than predetermined sharp prominent value range, then the larger period video content of importance value is labeled as swashing prominent attentinal contents.
For example, it is 6 that initialization system, which swashs prominent value range,.Period snImportance value θnFor 14.08, time adjacent segments sm Importance value θmFor 4.15, difference 9.93 between the two be more than it is predetermined swash prominent value range, will period snFragment Content-label, and can be to swashing the concern direction of its content of prominent attentinal contents independent studies to swash prominent attentinal contents.
Fig. 4 also show a kind of system for determining user to content of multimedia degree of concern of the present invention, and the system includes Play fragment and barrage grouped element, concern fragment barrage recording unit, concern fragment barrage statistics and analytic unit, concern piece Section barrage filter element, period comparing unit and barrage resource content evaluation unit.
Wherein, playing fragment and barrage grouped element is used to the reproduction time of target video being divided into multiple period s, And be grouped each period s real-time barrages occurred;In specific group technology, the broadcasting fragment and barrage packet Unit is additionally operable to certain period s initial times t1Backward postpone 1~5 second time point as period s real-time barrage The initial time delivered, time t is terminated by certain period s2The time point for postponing 1~5 second backward is used as the real-time of period s The termination time that barrage is delivered.
Paying close attention to fragment barrage recording unit is used for the figure of merit of the real-time barrage of correspondence each period s record packet and interior Hold, the figure of merit of the real-time barrage includes barrage quantity ε and delivers the number of users η of barrage.
Concern fragment barrage statistics and analytic unit are used for the figure of merit for counting real-time barrage, obtain correspondence period s Video segment importance value θ, and according to importance value θ determine user pay close attention to video content.
Paying close attention to fragment barrage filter element is used to carry out the real-time barrage information of acquisition same barrage user repetition barrage The automatic identification of content, when being identified as repeating barrage content, barrage quantity is only designated as 1;
The difference that period comparing unit is used between the importance value θ according to each time adjacent segments s, and according to difference Value size judges whether to meet merging condition, if reaching merging condition, directly merges.
The system also includes barrage resource content evaluation unit, for by the evaluation of each period s real-time barrages recorded Content is pre-processed, and is counted after processing according to evaluation content direction, the proportion size shared by statistics different evaluation content, And determine that the video of correspondence period s focuses particularly on content and the evaluation to attentinal contents according to the proportion size.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (10)

1. determine method of the user to multimedia content degree of concern, it is characterised in that methods described is used for barrage video The determination of content is played, it at least includes:
The reproduction time of target video is divided into multiple period s, and each period s real-time barrages occurred are divided Group;
The figure of merit and content of the real-time barrage of correspondence each period s record packet, and according to the figure of merit of real-time barrage Weight analysis is carried out, the importance value θ of the video segment of correspondence period s is obtained;
According to the importance value θ of the video segment, the video content of user's concern is determined;
The figure of merit of the real-time barrage includes barrage quantity ε and delivers the number of users η of barrage;Correspond to regarding for period s Importance value θ=ε ω of frequency fragment1+ηω2, the ω1For weight coefficient of the barrage quantity in evaluation system, the ω2 To deliver weight coefficient of the number of users of barrage in evaluation system.
2. method of the user to content of multimedia degree of concern is determined as claimed in claim 1, it is characterised in that record correspondence After the figure of merit and content of each period s real-time barrage, evaluation content is filtered:To the real-time barrage letter of acquisition Breath carries out the automatic identification that same barrage user repeats barrage content, and when being identified as repeating barrage content, barrage quantity is only designated as 1。
3. method of the user to content of multimedia degree of concern is determined as claimed in claim 1, it is characterised in that the barrage Content is additionally operable to:The evaluation content of each period s real-time barrages recorded is pre-processed, according to evaluation content after processing Direction is counted, the proportion size shared by statistics different evaluation content, and determines correspondence period s according to the proportion size Focus particularly on content and the evaluation to attentinal contents.
4. method of the user to content of multimedia degree of concern is determined as claimed in claim 3, it is characterised in that the pre- place Reason method includes:
Barrage content is cleaned, noise data is removed;
Participle is carried out to the barrage Chinese text after cleaning, and the everyday words in participle or stop words are deleted;
The number of times of each participle appearance is counted, while carrying out attributive classification to wherein commendatory term, neutral words and derogatory term, and is deposited Storage.
5. method of the user to content of multimedia degree of concern is determined as claimed in claim 1, it is characterised in that described by respectively The real-time barrage that individual period s occurs be grouped in real-time barrage for relative delay real-time barrage:
The real-time barrage of the relative delay is specially:Certain time period s initial time is t1, the termination time is t2;It is divided into The time initial time of delivering of the real-time barrage group of period s groups is t1+ 1 second~t1+ 5 seconds, the termination time was t2+ 1 second~ t2+ 5 seconds.
6. method of the user to content of multimedia degree of concern is determined as claimed in claim 1, it is characterised in that obtained important After property numerical value θ, methods described also includes:As period snBefore or after period smImportance value θmIn the period snImportance value θnExpanded range value in, then set up new period sa;The period sa=sn+sm, period sa Importance value θaFor importance value θnWith importance value θmAverage;
Or, as period snPeriod s beforem+1Importance value θm+1Period s afterwardsm+2Importance value θm+2In period snImportance value θnExpanded range value in, then set up new period sa;The period sa=sn +sm+1+sm+2, period saImportance value be θn、θm+1And θm+2Average.
7. method of the user to content of multimedia degree of concern is determined as claimed in claim 1, it is characterised in that obtained important After property numerical value θ, methods described also includes:As period snImportance value θnWith time adjacent segments smImportance value θm Between difference be more than it is predetermined swash prominent value range, then the larger video content of importance value is labeled as swashing prominent attentinal contents.
8. a kind of system for determining user to content of multimedia degree of concern, it is characterised in that the system at least includes
Play fragment and barrage grouped element, for the reproduction time of target video to be divided into multiple period s, and by each The real-time barrage that period s occurs is grouped;
Fragment barrage recording unit is paid close attention to, for the figure of merit and content of the real-time barrage of correspondence each period s record packets, The figure of merit of the real-time barrage includes barrage quantity ε and delivers the number of users η of barrage;
Fragment barrage statistics and analytic unit are paid close attention to, the figure of merit for counting real-time barrage obtains regarding for correspondence period s The importance value θ of frequency fragment, and the video content that user pays close attention to is determined according to importance value θ.
9. system as claimed in claim 8, it is characterised in that the broadcasting fragment and barrage grouped element were additionally operable to some time Between section s initial times t1The initial time that the time point of delay 1~5 second delivers as period s real-time barrage backward, will Certain period s terminates time t2During the termination that the time point of delay 1~5 second delivers as period s real-time barrage backward Between;
The system also includes:
Fragment barrage filter element is paid close attention to, carrying out same barrage user for the real-time barrage information to acquisition repeats barrage content Automatic identification, be identified as repeat barrage content when, barrage quantity is only designated as 1;
Period comparing unit, for the difference between the importance value θ according to each time adjacent segments s, and according to difference Size judges whether to meet merging condition, if reaching merging condition, directly merges.
10. system as claimed in claim 8, it is characterised in that the system also includes barrage resource content evaluation unit, for inciting somebody to action The evaluation content of the real-time barrage of each period s records is pre-processed, and is counted after processing according to evaluation content direction, The proportion size shared by different evaluation content is counted, and determines that the video of correspondence period s is focused particularly on according to the proportion size Content and the evaluation to attentinal contents.
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CN107948206A (en) * 2018-01-02 2018-04-20 联想(北京)有限公司 A kind of multi-medium data download/or the method and system uploaded
CN108307230A (en) * 2018-02-07 2018-07-20 北京奇艺世纪科技有限公司 A kind of extracting method and device of video highlight segment
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