CN105828181B - Video sequencing method and device based on video on demand amount - Google Patents
Video sequencing method and device based on video on demand amount Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring 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
- H04N21/44213—Monitoring of end-user related data
- H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
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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
- H04N21/482—End-user interface for program selection
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the present invention provides a kind of video sequencing method and device based on video on demand amount, this method comprises: determining that each video corresponding at least two plays the period in video collection, wherein include at least one video in the video collection;Time pad value, each corresponding each weighted value for playing the period of video and each video of each video are obtained in its corresponding each video-on-demand times played in the period;According to the time pad value of each video, each corresponding each weighted value for playing the period of video and each video in its corresponding each video-on-demand times played in the period, the sequence coefficient of each video is determined;According to the sequence coefficient of each video, the video in the video collection is ranked up.For improving the accuracy to video seniority among brothers and sisters.
Description
Technical field
The present embodiments relate to TV technology more particularly to a kind of video sequencing methods based on video on demand amount
And device.
Background technique
Currently, the number of videos in network is more and more with the development of multimedia technology, select to close for the ease of user
Suitable video is watched, and most video players can be ranked up a large amount of video, and to user show sequence after
Video.
In actual application, the quality of video is usually measured by the program request amount of video, the program request amount of video is bigger
Then the quality of video is higher, gets the high video of quality, the program request that most video players pass through video for the ease of user
Amount is ranked up multitude of video, and is shown as the video that program request amount sorts to user.In the prior art, passing through video
Program request amount when being ranked up to video, usually obtain video to the total program request amount shown between date to current time video,
Multitude of video is ranked up according to the sequence of total program request amount from high to low, and recommends the video after sequence to user.However, by
Show that duration is related in program request amount and the video of video, and the duration of showing of different video is typically different, therefore, according only to view
Total program request amount of frequency is ranked up multitude of video, and can not really reflect the actual mass of video, and video is caused to be ranked
Accuracy it is poor.
Summary of the invention
The embodiment of the present invention provides a kind of video sequencing method and device based on video on demand amount, for improving to video
The accuracy of seniority among brothers and sisters.
In a first aspect, the embodiment of the present invention provides a kind of video sequencing method based on video on demand amount, comprising:
Determine that each video corresponding at least two plays the period in video collection, wherein include extremely in the video collection
A few video;
Obtain the corresponding each weighted value for playing the period of time pad value, each video of each video and each
The video is in its corresponding each video-on-demand times played in the period;
According to the time pad value of each video, the corresponding each weighted value for playing the period of each video and each
The video determines the sequence coefficient of each video in its corresponding each video-on-demand times played in the period;
According to the sequence coefficient of each video, the video in the video collection is ranked up.
Method as shown above, for any one video in the video collection, each video of acquisition
Time pad value, comprising:
Obtain the video shows the moment;
Showing duration and described show the duration corresponding time and decline between moment and current time is shown described in acquisition
Subtract coefficient;
Duration and the time attenuation coefficient are shown according to described, determines the time pad value of the video.
Method as shown above, it is described that duration and the time attenuation coefficient are shown according to, determine the video
Time pad value, comprising:
The time pad value μ of the video is obtained by formula (1):
μ=e-δ|Δt(1);
Wherein, δ is the time attenuation coefficient of the video, and the Δ t shows duration for the video.
Method as shown above, described at least two play the period including playing period and history broadcasting period in the recent period;Needle
To any one video in the video collection, when each video corresponding at least two plays in the determining video collection
Section, comprising:
Obtain the preset recent duration for playing the period;
According to current time and the recent duration for playing the period, the recent broadcasting period of the video is determined, wherein
The recent end time for playing the period is the current time;
The duration that the period is played according to preset history shows the moment to the recent broadcasting period in the video
Determine that at least one history plays the period between initial time.
Method as shown above, when the corresponding broadcasting of the time pad value according to each video, each video
The weighted value of section and each video determine the sequence of each video in its corresponding video-on-demand times played in the period
Coefficient, comprising:
The sequence coefficient s of each video is obtained by formula (2);
Wherein, the K is the number that history plays the period, the αiThe weighted value of period is played for i-th of history, it is described
MiThe program request amount of period is played in i-th of history for the video, the μ is the time pad value of video, and the β is described close
Phase plays the weighted value of period, and a is parameter preset, and a is greater than 1, and the N is the video in the recent broadcasting
The program request amount of section, the λ are preset correction value, and the λ is greater than or equal to 1.
Second aspect, the embodiment of the present invention provide a kind of video collator based on video on demand amount, comprising:
First determining module, for determining, each video corresponding at least two plays the period in video collection, wherein described
It include at least one video in video collection;
Module is obtained, time pad value, each video for obtaining each video is corresponding each to play the period
Weighted value and each video are in its corresponding each video-on-demand times played in the period;
Second determining module, when for each broadcasting corresponding according to the time pad value of each video, each video
The weighted value of section and each video determine the row of each video in its corresponding each video-on-demand times played in the period
Sequence coefficient;
Sorting module is ranked up the video in the video collection for the sequence coefficient according to each video.
Device as described above, second determining module include first acquisition unit, second acquisition unit and determine
Unit, wherein
The first acquisition unit is used for, and obtain the video shows the moment;
The second acquisition unit is used for, and is shown described in acquisition and is shown duration, Yi Jisuo between moment and current time
It states and shows the corresponding time attenuation coefficient of duration;
The determination unit is used for, and shows duration and the time attenuation coefficient according to described, determine the video when
Between pad value.
Device as described above, the determination unit are used for:
The time pad value μ of the video is obtained by formula (1):
μ=e-δ|Δt(1);
Wherein, δ is the time attenuation coefficient of the video, and the Δ t shows duration for the video.
Device as described above, described at least two play the period including playing period and history broadcasting period, institute in the recent period
The first determining module is stated to be specifically used for:
Obtain the preset recent duration for playing the period;
According to current time and the recent duration for playing the period, the recent broadcasting period of the video is determined, wherein
The recent end time for playing the period is the current time;
The duration that the period is played according to preset history shows the moment to the recent broadcasting period in the video
Determine that at least one history plays the period between initial time.
Device as described above, second determining module are specifically used for:
The sequence coefficient s of each video is obtained by formula (2);
Wherein, the K is the number that history plays the period, the αiThe weighted value of period is played for i-th of history, it is described
MiThe program request amount of period is played in i-th of history for the video, the μ is the time pad value of video, and the β is described close
Phase plays the weighted value of period, and a is parameter preset, and a is greater than 1, and the N is the video in the recent broadcasting
The program request amount of section, the λ are preset correction value, and the λ is greater than or equal to 1.
The third aspect, the embodiment of the present invention provide a kind of TV, including described in above-mentioned second aspect Arbitrary Term based on view
The video collator of the frequency point amount of broadcasting.
Video sequencing method and device provided in an embodiment of the present invention based on video on demand amount, when needing to video collection
In video when being ranked up, for each of video collection video, when determining that the video corresponding at least two plays
Section, the corresponding each weighted value for playing the period of time pad value, the video and the video for obtaining the video are corresponding at its
Each video-on-demand times played in the period, and according to the time pad value of the video, the corresponding each weighting for playing the period of the video
Value and the video determine that the sequence coefficient of the video, collator are equal in its corresponding each video-on-demand times played in the period
The sequence coefficient of each of video collection video is obtained by the above method, and according to the sequence coefficient of each video, it is right
Video in video collection is ranked up.During determining sequence coefficient, with reference to time attenuation coefficient, the Mei Gebo of video
Period weighted value and video are put in each video-on-demand times for playing the period, wherein time attenuation coefficient and when showing of video
It is carved with pass, embodies the novel degree for showing duration and video of video, further, by playing the weighted value of period, is embodied
Video, to the contribution dynamics of seniority among brothers and sisters coefficient, and then embodies video in the different broadcasting periods in each video-on-demand times for playing the period
Therefore interior program request situation determines that obtained seniority among brothers and sisters coefficient can not only embody the novel degree of video by the above method, may be used also
It to embody video program request situation within the different broadcasting periods, and then can more really reflect the real quality of video, mention
The high accuracy of video seniority among brothers and sisters.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram of the video sequencing method provided by the invention based on video on demand amount;
The flow diagram of phase method when Fig. 2 is determining broadcasting provided by the invention;
Fig. 3 is the flow chart of the time pad value method of determining video provided by the invention;
Fig. 4 is the structural schematic diagram one of the video collator provided by the invention based on video on demand amount;
Fig. 5 is the structural schematic diagram two of the video collator provided by the invention based on video on demand amount.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In embodiments of the present invention, when needing the video collator (hereinafter referred collator) by video on demand amount
When being ranked up to the video in video collection, the attribute information of each video in the available video collection of collator
(for example, the time attenuation coefficient of video, each period weighted value and video of playing are in each program request for playing the period time
Number), according to the attribute information of video, the seniority among brothers and sisters coefficient of each video is determined, and according to the seniority among brothers and sisters coefficient of each video, to video
Video sequence in set.In the following, by specific embodiment to the video sequence side of the present invention based on video on demand amount
Method, device and TV are described in detail.
Fig. 1 is the flow diagram of the video sequencing method provided by the invention based on video on demand amount, and this method is held
Row main body can be collator, please refer to Fig. 1, this method may include:
S101, determine that each video corresponding at least two plays the period in video collection, wherein include extremely in video collection
A few video;
S102, the corresponding each weighted value for playing the period of time pad value, each video for obtaining each video and each video
In its corresponding each video-on-demand times played in the period;
S103, according to the corresponding each weighted value for playing the period of time pad value, each video of each video and each video
In its corresponding each video-on-demand times played in the period, the sequence coefficient of each video is determined;
S104, the sequence coefficient according to each video, are ranked up the video in video collection.
In embodiments of the present invention, each of video collection video corresponding at least two plays the period, optionally,
In actual application, moment to the period between current time of showing of video can be divided, it is corresponding to obtain video
At least two play the periods.Each plays a period corresponding weighted value, it is preferred that the corresponding different broadcastings of same video
The weighted value of period is not exactly the same, and play the period initial time and time difference between current time it is bigger, the broadcasting
The weighted value of period is smaller.
Illustratively, it is assumed that video 1 was shown constantly on January 1st, 2000, it is assumed that current time is January 7 in 2016
Number, then the video can correspond to 3 broadcasting periods, be denoted as play the period 1- broadcasting period 3 respectively, specifically, playing period 1-
It plays the period 3 and corresponding weighted value of each broadcasting period can be as shown in table 1:
Table 1
Play the period | Play starting, the end time of period | Weighted value |
Play the period 1 | On January 1st, 2000 -- on January 1st, 2010 | 0.2 |
Play the period 2 | On January 2nd, 2010 -- on January 1st, 2016 | 0.5 |
Play the period 3 | On January 2nd, 2016 -- on January 7th, 2016 | 0.8 |
It should be noted that in actual application, when can be set according to actual needs the corresponding broadcasting of each video
Section and corresponding weighted value of each broadcasting period, the present invention are not especially limited this.
In actual application, it when needing to be ranked up the video in video collection, needs to obtain video collection
In each video sequence coefficient, wherein obtain each video sequence coefficient process it is identical, in the following, with obtains regard
In frequency set for the sequence coefficient of a video, method shown in Fig. 1 embodiment is described in detail.
When collator needs to obtain the sequence coefficient of video, first obtain the video it is corresponding at least two play when
Section, optionally, the available video is shown the moment, and according to preset division rule, to showing the moment to current time
Between period divided, obtained at least two broadcasting periods, optionally, division rule can be with are as follows: according to preset broadcasting
The number of period carries out average division to moment to the period between current time is shown, alternatively, division rule can be with are as follows:
According to the preset duration for playing the period, divided to moment to the period between current time is shown, in practical application mistake
Cheng Zhong, can division rule determine according to actual needs.
After collator determines to obtain at least two broadcasting periods of the video, it is corresponding to obtain each broadcasting period
Weighted value, optionally, in collator can it is poor with preset time (play the period initial time and between current time
Time difference) and weighted value corresponding relationship, after collator acquired at least two broadcasting periods, collator obtain
Each initial time for playing the period and the time difference between current time, and according to the time difference and preset corresponding pass
System determines each weighted value for playing the period;Meanwhile collator also obtains program request time of the video within each broadcasting period
Several and the video time pad value, wherein the time pad value of video is related to the show time of video, video it is upper
The time difference reflected between time and current time is bigger, and the time pad value of video is smaller.
The corresponding each weighted value for playing the period of time pad value, the video that collator acquires the video,
And the video its it is corresponding it is each play period in video-on-demand times after, according to the time pad value of the video, the video
Corresponding each weighted value for playing the period and the video determine the view in its corresponding each video-on-demand times played in the period
The sequence coefficient of frequency.
Collator repeats the above process, to obtain the sequence coefficient of each video in video collection, Jin Ergen
According to the sequence coefficient of each video, the video in video collection is ranked up, optionally, the sequence successively decreased according to sequence coefficient
Video is ranked up, so that the sequence biggish video of coefficient is located at position earlier above in list of videos.
Video sequencing method provided in an embodiment of the present invention based on video on demand amount, when needing to the view in video collection
When frequency is ranked up, for each of video collection video, determines that the video corresponding at least two plays the period, obtain
The corresponding each weighted value for playing the period of time pad value, video of the video and the video are in its corresponding each broadcasting
Video-on-demand times in period, and according to the corresponding each weighted value for playing the period of the time pad value of the video, the video and
The video determines that the sequence coefficient of the video, collator pass through upper in its corresponding each video-on-demand times played in the period
The sequence coefficient that method obtains each of video collection video is stated, and according to the sequence coefficient of each video, to video set
Video in conjunction is ranked up.During determining sequence coefficient, with reference to the time attenuation coefficient of video, each broadcasting period
Weighted value and video are in each video-on-demand times for playing the period, wherein time attenuation coefficient and video are carved with when showing
It closes, embodies the novel degree for showing duration and video of video, further, by playing the weighted value of period, embody view
Frequently in each video-on-demand times for playing the period to the contribution dynamics of seniority among brothers and sisters coefficient, and then video is embodied within the different broadcasting periods
Therefore program request situation determines that obtained seniority among brothers and sisters coefficient can not only embody the novel degree of video by the above method, can be with body
Existing video program request situation within the different broadcasting periods, and then can more really reflect the real quality of video, it improves
The accuracy of video seniority among brothers and sisters.
On the basis of embodiment shown in Fig. 1, optionally, for any one video in video collection, it can pass through
Following feasible implementation determines that video corresponding at least two plays period (S101 in embodiment illustrated in fig. 1), specifically
, embodiment shown in Figure 2.
The flow diagram of phase method when Fig. 2 is determining broadcasting provided by the invention, the executing subject of this method are sequence
Device, on the basis of any one above-mentioned embodiment, referring to figure 2., this method may include:
S201, the preset recent duration for playing the period is obtained;
S202, according to current time and in the recent period play the period duration, determine in the recent period play the period, wherein in the recent period play
The end time of period is current time;
S203, the duration that the period is played according to preset history show the moment to recent for playing the period in video
Begin to determine that at least one history plays the period between the moment.
In the embodiment shown in Figure 2, during being ranked up to the video in video collection, for video collection
In any one video, when it needs to be determined that the video it is corresponding at least two play the period when, can be by video to when showing
It carves to the Time segments division between current time and plays period and at least one history broadcasting period in the recent period at one.
Be preset in collator in the recent period play the period duration, it needs to be determined that video multiple broadcasting periods when,
First according to duration and the current time for playing the period in the recent period, determines and play the period in the recent period.
The duration that multiple history play the periods is also preset in collator, wherein each history play the period when
Length can be identical, also cannot be different, specifically, may include the feasible implementation of following two:
A kind of feasible implementation: the duration that each history plays the period is identical;
In this kind of feasible implementation, obtain video shows the moment between the recent initial time for playing the period
Period, video shown the moment between the recent initial time for playing the period by and the sequence according to the time from the near to the distant
Time segments division at multiple history play the period, it should be noted that in this kind of feasible implementation, what is divided is more
A history plays in the period there may be the duration that a history plays the period, less than the duration that preset history plays the period,
By this kind of feasible implementation, it can quickly determine that obtaining each history plays the period.
Illustratively, it is assumed that showing for video 1 is on January 1st, 2011 constantly, and current time is on January 7th, 2016, then
Assuming that the duration that preset multiple history play the period is identical, and the preset recent duration for playing the period in collator, with
And the duration of history broadcasting period is as shown in table 2:
Table 2
Play the period | Play the duration of period |
The period is played in the recent period | 1 week |
History plays the period | 3 years |
Before collator determines that history plays the period, first played according to current time (on January 7th, 2016) and in the recent period
The duration (1 week) of period determines and plays the period in the recent period are as follows: on January 7,1 day to 2016 January in 2016.
After collator determines and played the period in the recent period, obtain video shows the moment to the recent broadcasting period
Period between initial time are as follows: on January 1,1 day to 2016 January in 2011.Then the sequence according to the time from the near to the distant, first
In on January 1,1 day to 2016 January in 2011, determine that history plays the period 1 are as follows: January 11 day to 2016 January in 2013
Number, then on January 1,1 day to 2013 January in 2011, determine that history plays the period 2 as 1 day to 2013 January in 2011
January 1.
In above process, the broadcasting Time segments division of video is played into the period at 1 in the recent period and 2 history play the period
(history plays period 1 and history and plays the period 2), wherein play in the recent period the period when it is 1 week a length of, the history broadcasting period 1 is broadcast
A length of 3 years when putting, the playing duration that history plays the period 2 is 2 years.
Another feasible implementation: the duration that each history plays the period is not identical;
In this kind of feasible implementation, obtain video shows the moment between the recent initial time for playing the period
Period, can then proceed in that preset history plays the period determines sequence, in video when showing moment to recent play
Multiple broadcasting periods are determined in period between the initial time of section.
Illustratively, it is assumed that showing for video 1 is on January 1st, 2011 constantly, and current time is on January 7th, 2016;Again
Assuming that the preset recent duration for playing the period and the duration of each history broadcasting period are as shown in table 3 in collator, and press
The sequence that period 1- history plays the period 4 is played according to history, determines that multiple history play the period.
Table 3
Play the period | Play the duration of period |
The period is played in the recent period | 1 week |
History plays the period 1 | 1 year |
History plays the period 2 | 3 years |
History plays the period 3 | 5 years |
History plays the period 4 | Greater than 10 years |
Before collator determines that history plays the period, first played according to current time (on January 7th, 2016) and in the recent period
The duration (1 week) of period determines and plays the period in the recent period are as follows: on January 7,1 day to 2016 January in 2016.
After collator determines and played the period in the recent period, collator plays period 1- history according to history and plays
The sequence of period 4 determines that multiple history play the period between on January 1,1 day to 2016 January in 2011, specific:
The duration (1 year) of period 1 is first played according to history and is in the recent period played initial time (January 1 in 2016 of period
Number), determine that history plays the period 1 as on January 1,1 day to 2016 January in 2015.
After determining that obtaining history plays the period 1, the duration (3 years) of period 2 is played according to history and history plays
The initial time (on January 1st, 2015) of period 1 determines that history plays the period 2 are as follows: on January 1,1 day to 2015 January in 2012.
After determining that obtaining history plays the period 2, the duration (5 years) of period 3 is played according to history and history plays
The initial time (on January 1st, 2012) of period 2 determines that history plays the period 3 are as follows: on January 1,1 day to 2012 January in 2011.
In above process, the broadcasting Time segments division of video is played into the period at 1 in the recent period and 3 history play the period
(history play period 1- history play period 3), wherein play in the recent period the period when it is 1 week a length of, the history broadcasting period 1 is broadcast
A length of 1 year when putting, the playing duration that history plays the period 2 is 3 years, and the playing duration that history plays the period 3 is 1 year.
It should be noted that in actual application, the recent of video can also be divided according to other division rules
It plays the period and history plays the period, the present invention is not especially limited this.
It, can be by as follows may be used for any one video in video collection on the basis of above-mentioned any embodiment
Capable implementation obtains the time pad value (S102 in embodiment illustrated in fig. 1) of video, specifically, shown in Figure 3
Embodiment.
Fig. 3 is the flow chart of the time pad value method of determining video provided by the invention, and the executing subject of this method is
Collator, on the basis of above-mentioned any embodiment, referring to figure 3., this method may include:
S301, it obtains video and shows the moment;
S302, acquisition show showing duration and showing the duration corresponding time between moment and current time and decay
Coefficient;
S303, basis show duration and time attenuation coefficient, determine the time pad value of video.
In the embodiment shown in fig. 3, when needing to obtain the time pad value of video, when showing of video is first obtained
It carves, and is shown moment and current time according to this, and be determined as the duration shown between moment and current time to show duration,
Wherein, the moment of showing of video can be indicated by the date of showing of video, correspondingly, showing the moment can also be by working as the day before yesterday
Phase indicates.
In embodiments of the present invention, showing has preset corresponding relationship between duration and time attenuation coefficient, when showing
Length is bigger, and time attenuation coefficient is bigger, can be set according to actual needs the correspondence shown between duration and time attenuation coefficient
Relationship.After collator acquires the time attenuation coefficient for showing duration and video of video, duration is shown according to this
The time pad value of the video is determined with time attenuation coefficient, optionally, in actual application, can pass through following formula
(1) the time pad value μ of video is obtained:
μ=e-δ|Δt(1);
Wherein, δ is the time attenuation coefficient of video, and Δ t shows duration for video;Due to showing duration bigger, the time
Attenuation coefficient is bigger, and therefore, by above-mentioned formula (1) it is found that video shows that duration is bigger, the time pad value of video is smaller.
In this kind of feasible implementation, time pad value to show duration and time attenuation coefficient is related so that determination obtains
Time pad value can be very good to embody the novel degree of video.
In the following, method shown in Fig. 3 embodiment is described in detail by specific example.
Illustratively, it is assumed that include 10,000 videos in video collection, executed for any one video in video collection
Following treatment process:
For any one video 1 in video collection, it is assumed that showing for video 1 is on January 1st, 2010 constantly, currently
Moment is on January 1st, 2016, then a length of 6 years when showing of video 1 can be determined by showing moment and current time according to this, false
If the corresponding relationship shown between duration and time attenuation coefficient is as shown in table 4:
Table 4
According to corresponding relationship shown in table 4, it can determine and show the corresponding time attenuation coefficient of duration (6 years, 2190 days)
ForThen basis shows duration (2190 days) and above-mentioned formula (1) determines that the time pad value of video 1 is as follows:
Further, on the basis of above-mentioned any embodiment, for any one video in video collection, Ke Yitong
Cross the sequence coefficient s that following formula (2) obtain video;
Wherein, K is the number that history plays the period, αiThe weighted value of period, M are played for i-th of historyiIt is video i-th
A history plays the program request amount of period, and β is the weighted value for playing the period in the recent period, and a is parameter preset, and it is video close that a, which is greater than 1, N,
Phase plays the program request amount of period, and λ is preset correction value, and λ is greater than or equal to 1.
In formula (2), preferred a can be that 2, λ can be 2, in actual application, can be according to actual needs
The size of preset a and λ are set.
In the following, above-described embodiment is described in detail by specific example.
Illustratively, it is assumed that the date of showing of video 1 is on January 1st, 2010, and current time is on January 7th, 2016, root
According to preset Time segments division rule, by the broadcasting Time segments division of video 1 at following 2 broadcasting periods, specifically, as shown in table 5:
Table 5
Play the period | Play the duration of period | Play the duration of period |
The period is played in the recent period | On January 7,1 day to 2016 January in 2016 | One week |
History plays the period 1 | On January 1,1 day to 2016 January in 2014 | 2 years |
History plays the period 2 | On January 1,1 day to 2014 January in 2010 | 4 years |
After determination obtains 1 corresponding 3 broadcasting period of video, each weighted value and video 1 for playing the period is obtained
Video-on-demand times within each broadcasting period, specific as shown in table 6:
Table 6
Play the period | Weighted value | Video-on-demand times |
The period is played in the recent period | 0.9 | 10000 times |
History plays the period 1 | 0.6 | 1000000 times |
History plays the period 2 | 0.4 | 1500000 times |
Collator is shown moment and current time according to video 1, and determination is 365*6+7=2197 days a length of when showing,
Assuming that preset time attenuation coefficient isThen collator determines obtained time pad value according to formula (1) are as follows:
Assume again that preset a=e (2.718) in formula (2), λ=2 determine that the time for obtaining video 1 declines in collator
Depreciation, each weighted value for playing the period and video 1 are after the video-on-demand times in each broadcasting period, according to formula (2)
Determine the sequence coefficient of video 1 are as follows:
S=0.6 × 106×0.012+0.4×1.5×106×0.012+0.9×In(104+ 2)=17002;
The above process is executed, the sequence coefficient of each video in video collection is obtained, then according to the row of each video
Sequence coefficient is ranked up the video in video collection.
Fig. 4 is the structural schematic diagram one of the video collator provided by the invention based on video on demand amount, please refers to figure
4, the apparatus may include:
First determining module 401, for determining, each video corresponding at least two plays the period in video collection, wherein
It include at least one video in video collection;
Module 402 is obtained, the corresponding each weighting for playing the period of time pad value, each video for obtaining each video
Value and each video are in its corresponding each video-on-demand times played in the period;
Second determining module 403, for adding for the corresponding each broadcasting period of time pad value, each video according to each video
Weight and each video determine the sequence coefficient of each video in its corresponding each video-on-demand times played in the period;
Sorting module 404 is ranked up the video in video collection for the sequence coefficient according to each video.
Fig. 5 is the structural schematic diagram two of the video collator provided by the invention based on video on demand amount, shown in Fig. 4
On the basis of embodiment, referring to figure 5., the second determining module may include first acquisition unit 4031, second acquisition unit
4032 and determination unit 4033, wherein
First acquisition unit 4031 is used for, and obtain video shows the moment;
Second acquisition unit 4032 is used for, obtain show between moment and current time when showing duration and showing
Long corresponding time attenuation coefficient;
Determination unit 4033 is used for, and according to duration and time attenuation coefficient is shown, determines the time pad value of video.
Optionally, determination unit 4033 specifically can be used for:
The time pad value μ of video is obtained by formula (1):
μ=e-δ|Δt(1);
Wherein, δ is the time attenuation coefficient of video, and Δ t shows duration for video.
In actual application, optionally, at least two broadcasting periods included when playing period and history broadcasting in the recent period
Section, correspondingly, the first determining module 401 specifically can be used for:
Obtain the preset recent duration for playing the period;
According to current time and the recent duration for playing the period, the recent broadcasting period of video is determined, wherein play in the recent period
The end time of period is current time;
The duration that the period is played according to preset history shows the moment to the recent initial time for playing the period in video
Between determine at least one history play the period.
Optionally, the second determining module 403 specifically can be used for:
The sequence coefficient s of each video is obtained by formula (2);
Wherein, K is the number that history plays the period, αiThe weighted value of period, M are played for i-th of historyiIt is video i-th
A history plays the program request amount of period, and μ is the time pad value of video, and β is the weighted value for playing the period in the recent period, and a is default ginseng
Number, it is video in the program request amount for playing the period in the recent period that a, which is greater than 1, N, and λ is preset correction value, and λ is greater than or equal to 1.
Device shown in the embodiment of the present invention can execute technical solution shown in above method embodiment, realization principle
And beneficial effect is similar, is no longer repeated herein.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence;And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of video sequencing method based on video on demand amount characterized by comprising
Determine that each video corresponding at least two plays the period in video collection, wherein include at least one in the video collection
A video;
Obtain the corresponding each weighted value for playing the period of time pad value, each video of each video and each described
Video is in its corresponding each video-on-demand times played in the period;
According to the time pad value of each video, the corresponding each weighted value for playing the period of each video and each described
Video determines the sequence coefficient of each video in its corresponding each video-on-demand times played in the period;
According to the sequence coefficient of each video, the video in the video collection is ranked up;
For any one video in the video collection, the time pad value for obtaining each video, comprising:
Obtain the video shows the moment;
Showing duration and described show duration corresponding time decaying system between moment and current time is shown described in acquisition
Number;
Duration and the time attenuation coefficient are shown according to described, determines the time pad value of the video;
It is described that duration and the time attenuation coefficient are shown according to, determine the time pad value of the video, comprising:
The time pad value μ of the video is obtained by formula (1):
μ=e-δ|Δt|(1);
Wherein, δ is the time attenuation coefficient of the video, and the Δ t shows duration for the video.
2. the method according to claim 1, wherein described at least two play the period including playing the period in the recent period
The period is played with history;For any one video in the video collection, each video is corresponding in the determining video collection
At least two play the periods, comprising:
Obtain the preset recent duration for playing the period;
According to current time and the recent duration for playing the period, the recent broadcasting period of the video is determined, wherein described
The end time for playing the period in the recent period is the current time;
The duration that the period is played according to preset history shows the moment to the recent starting for playing the period in the video
Determine that at least one history plays the period between moment.
3. according to the method described in claim 2, it is characterized in that, the time pad value according to each video, each institute
State the corresponding weighted value for playing the period of video and each video in its corresponding video-on-demand times played in the period, really
The sequence coefficient of fixed each video, comprising:
The sequence coefficient s of each video is obtained by formula (2);
Wherein, the K is the number that history plays the period, the αiThe weighted value of period, the M are played for i-th of historyiFor
The video plays the program request amount of period in i-th of history, and the μ is the time pad value of video, and the β is broadcast in the recent period to be described
The weighted value of period is put, a is parameter preset, and a is greater than 1, and the N is the video in the recent broadcasting period
Program request amount, the λ are preset correction value, and the λ is greater than or equal to 1.
4. a kind of video collator based on video on demand amount characterized by comprising
First determining module, for determining, each video corresponding at least two plays the period in video collection, wherein the video
It include at least one video in set;
Module is obtained, the corresponding each weighting for playing the period of time pad value, each video for obtaining each video
Value and each video are in its corresponding each video-on-demand times played in the period;
Second determining module, for each playing the period according to the time pad value of each video, each video are corresponding
Weighted value and each video determine the sequence system of each video in its corresponding each video-on-demand times played in the period
Number;
Sorting module is ranked up the video in the video collection for the sequence coefficient according to each video;
Second determining module includes first acquisition unit, second acquisition unit and determination unit, wherein
The first acquisition unit is used for, and obtain the video shows the moment;
The second acquisition unit is used for, shown described in acquisition between moment and current time show duration and it is described on
Reflect the corresponding time attenuation coefficient of duration;
The determination unit is used for, and is shown duration and the time attenuation coefficient according to described, is determined that the time of the video declines
Depreciation;
The determination unit is used for:
The time pad value μ of the video is obtained by formula (1):
μ=e-δ|Δt|(1);
Wherein, δ is the time attenuation coefficient of the video, and the Δ t shows duration for the video.
5. device according to claim 4, which is characterized in that described at least two play the period including playing the period in the recent period
The period is played with history, first determining module is specifically used for:
Obtain the preset recent duration for playing the period;
According to current time and the recent duration for playing the period, the recent broadcasting period of the video is determined, wherein described
The end time for playing the period in the recent period is the current time;
The duration that the period is played according to preset history shows the moment to the recent starting for playing the period in the video
Determine that at least one history plays the period between moment.
6. device according to claim 5, which is characterized in that second determining module is specifically used for:
The sequence coefficient s of each video is obtained by formula (2);
Wherein, the K is the number that history plays the period, the αiThe weighted value of period, the M are played for i-th of historyiFor
The video plays the program request amount of period in i-th of history, and the μ is the time pad value of video, and the β is broadcast in the recent period to be described
The weighted value of period is put, a is parameter preset, and a is greater than 1, and the N is the video in the recent broadcasting period
Program request amount, the λ are preset correction value, and the λ is greater than or equal to 1.
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CN107295362B (en) * | 2017-08-10 | 2020-02-21 | 上海六界信息技术有限公司 | Live broadcast content screening method, device and equipment based on image and storage medium |
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