CN108966014B - Method and system for evaluating heat video - Google Patents
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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
- H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
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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
- H04N21/45—Management 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
- H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
- H04N21/4667—Processing of monitored end-user data, e.g. trend analysis based on the log file of viewer selections
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Abstract
The invention provides a method and a system for evaluating a heat video. The heat video evaluation method comprises the following steps: recording the effective watching times of the preheated video in a set period; the preheating video is a video with the click-on frequency greater than a first set threshold value in a set period; the effective watching is the watching behavior that the duration of continuously watching the preheating video is greater than a second set threshold; calculating the viewing heat value of the preheated video according to the effective viewing times of the preheated video; and evaluating whether the preheated video is the hot video or not according to the effective watching times and the watching hot value of the preheated video. The heat video evaluation method comprehensively considers the video on-demand times, the effective watching times and the watching heat value, so that the heat video evaluation method can objectively reflect the real heat of the video, the evaluation result of the heat video is more objective and accurate, the heat video is distributed to the edge nodes, the storage resources of the edge nodes are not wasted, and the pressure of the central node of a content distribution network is reduced.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a system for evaluating heat videos.
Background
In order to ensure the fluency of the video watched by the user, a Content Delivery Network (CDN) can timely deliver a hotness video (such as a hotness film) to an edge node close to the user, so that the edge node provides an on-demand service for the user. In order to distribute the real heat video to the edge nodes, the heat evaluation link of the video is very important.
Currently, the popularity of a video is mainly evaluated based on the number of times a user requests, such as: presetting a threshold value of the video on demand times, and determining the video as a hot video when the user on demand times exceed the threshold value in a set period. Because only the factor of the number of the video-on-demand times of the user is considered in the evaluation of the video popularity, the real popularity of the video cannot be objectively reflected by the existing evaluation result of the video popularity, which causes the distribution of the non-popularity video to the edge nodes, not only wastes the storage resources of the edge nodes, but also increases the pressure of the center nodes, and the fluency of the user watching the video cannot be guaranteed.
Therefore, how to objectively and accurately evaluate the true heat of the video has become a problem to be solved.
Disclosure of Invention
The invention provides a method and a system for evaluating a heat video, aiming at the technical problems in the prior art. The popularity video evaluation method comprehensively considers the video on-demand times, the effective watching times and the watching popularity value, so that the popularity video evaluation method can objectively reflect the real popularity of the video, and further the evaluation result of the popularity video is more objective and accurate.
The invention provides a method for evaluating a heat video, which comprises the following steps:
recording the effective watching times of the preheated video in a set period; the preheating video is a video with the click-on frequency greater than a first set threshold value in the set period; the effective watching is a watching behavior that the duration of continuously watching the preheated video is greater than a second set threshold;
calculating the viewing heat value of the preheated video according to the effective viewing times of the preheated video;
and evaluating whether the preheated video is a hot video or not according to the effective watching times and the watching hot value of the preheated video.
Preferably, the evaluating whether the pre-heating video is a heat video according to the effective viewing times and the viewing heat value of the pre-heating video comprises:
step S120: judging whether the effective watching times of the preheated video are larger than the first set threshold value or not;
step S121: judging whether the observation heat value of the preheated video is greater than 0;
when the determination result of the step S120 is yes and the determination result of the step S121 is also yes, step S122 is executed: determining that the pre-heating video is the heat video.
Preferably, the calculation formula of the viewing heat value of the pre-heating video is as follows:
wherein μ is the viewing heat value of the pre-heated video; i is the serial number of the set period; ni is the effective watching times of the preheated video in the ith set period; n [ i-1] is the effective watching times of the preheating video in the set period of i-1.
Preferably, the method further comprises the following steps: judging whether the preheating video is not evaluated as the heat video in three continuous set periods; if yes, converting the preheating video into a common video, and judging whether the common video is the preheating video again.
Preferably, the method further comprises the following steps: and marking the popularity videos and sending the popularity videos to a video distribution network.
The invention also provides a heat video evaluation system, which comprises:
the recording module is used for recording the effective watching times of the preheated video in a set period; the preheating video is a video with the click-on frequency greater than a first set threshold value in the set period; the effective watching is a watching behavior that the duration of continuously watching the preheated video is greater than a second set threshold;
the calculation module is used for calculating the viewing heat value of the preheated video according to the effective viewing times of the preheated video;
and the evaluation module is used for evaluating whether the preheated video is a hot video or not according to the effective watching times and the watching hot value of the preheated video.
Preferably, the evaluation module comprises:
the first judging unit is used for judging whether the effective watching times of the preheated video is greater than the first set threshold value or not;
a second judging unit, configured to judge whether the observation heat value of the preheated video is greater than 0;
a determining unit, configured to determine that the pre-heating video is the heat video when the determination results of the first determining unit and the second determining unit are both yes.
Preferably, the calculation formula of the viewing heat value of the pre-heating video is as follows:
wherein μ is the viewing heat value of the pre-heated video; i is the serial number of the set period; ni is the effective watching times of the preheated video in the ith set period; n [ i-1] is the effective watching times of the preheating video in the set period of i-1.
Preferably, the method further comprises the following steps: the judging module is used for judging whether the preheating video is not evaluated as the heat video in three continuous set periods;
and the conversion judging module is used for converting the preheating video into a common video and judging whether the common video is the preheating video again when the judging result of the judging module is yes.
Preferably, the method further comprises the following steps: and the mark sending module is used for marking the heat videos and sending the heat videos to a video distribution network.
The invention has the beneficial effects that: compared with the existing method for evaluating the heat video only according to the video on demand times, the heat video evaluation method comprehensively considers the video on demand times, the effective watching times and the watching heat value, so that the heat video evaluation method can reflect the real heat of the video more objectively, the evaluation result of the heat video is more objective and accurate, the heat video is distributed to the edge nodes of a video Content Distribution Network (CDN), the storage resources of the edge nodes cannot be wasted, the pressure of the central nodes of the content distribution network is reduced, and the smoothness of watching the video by a user is guaranteed.
According to the heat video evaluation system provided by the invention, the recording module, the calculation module and the evaluation module are arranged, so that the evaluation of the heat video evaluation system on the heat video comprehensively considers the video on demand times, the effective watching times and the watching heat value, the real heat of the video can be objectively reflected by the evaluation of the heat video, the evaluation result of the heat video is more objective and accurate, the heat video is distributed to the edge node of a video Content Distribution Network (CDN), the storage resource of the edge node is not wasted, the pressure of the central node of the content distribution network is reduced, and the smoothness of the video watched by a user is ensured.
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FIG. 1 is a flowchart of a method for evaluating a heat video according to embodiment 1 of the present invention;
FIG. 2 is a flowchart of a method for evaluating a heat video according to embodiment 2 of the present invention;
fig. 3 is a schematic block diagram of a heat video evaluation system in embodiment 3 of the present invention.
Wherein the reference numbers indicate:
1. a recording module; 2. a calculation module; 3. an evaluation module; 31. a first judgment unit; 32. a second judgment unit; 33. a determination unit; 4. a judgment module; 5. a conversion judging module; 6. and a mark sending module.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, a method and a system for evaluating heat video provided by the present invention are described in further detail below with reference to the accompanying drawings and the detailed description.
Example 1:
the present embodiment provides a method for evaluating a hot video, as shown in fig. 1, including:
step S10: and recording the effective watching times of the preheated video in a set period. The preheating video is a video with the number of times of on-demand playing in a set period larger than a first set threshold value. The effective watching is the watching behavior that the duration of continuously watching the preheating video is larger than a second set threshold.
The first set threshold and the second set threshold can be set arbitrarily according to specific situations.
Step S11: and calculating the viewing heat value of the preheated video according to the effective viewing times of the preheated video.
In this step, the calculation formula of the observation heat value of the preheated video is as follows:
wherein mu is the observation heat value of the preheated video; i is the serial number of the set period; ni is the effective watching times of the preheated video in the ith set period; n [ i-1] is the effective watching times of the preheating video in the set period of i-1.
Step S12: and evaluating whether the preheated video is the hot video or not according to the effective watching times and the watching hot value of the preheated video.
Compared with the existing method for evaluating the heat video only according to the video on demand times, the heat video evaluation method comprehensively considers the video on demand times, the effective watching times and the watching heat value, so that the heat video evaluation method can reflect the real heat of the video more objectively, and the evaluation result of the heat video is more objective and accurate.
Example 2:
the present embodiment provides a method for evaluating a hotness video, as shown in fig. 2, including:
step S10: and recording the effective watching times of the preheated video in a set period. The preheating video is a video with the number of times of on-demand playing in a set period larger than a first set threshold value. The effective watching is the watching behavior that the duration of continuously watching the preheating video is larger than a second set threshold.
The first set threshold and the second set threshold may be arbitrarily set according to the specific situation.
Step S11: and calculating the viewing heat value of the preheated video according to the effective viewing times of the preheated video.
In this step, the calculation formula of the observation heat value of the preheated video is as follows:
wherein mu is the observation heat value of the preheated video; i is the serial number of the set period; ni is the effective watching times of the preheated video in the ith set period; n [ i-1] is the effective watching times of the preheating video in the set period of i-1.
Step S12: and evaluating whether the preheated video is the hot video or not according to the effective watching times and the watching hot value of the preheated video.
The method specifically comprises the following steps:
step S120: and judging whether the effective watching times of the preheated video is greater than a first set threshold value or not.
Step S121: and judging whether the watching heat value of the preheated video is greater than 0.
When the determination result of step S120 is yes and the determination result of step S121 is also yes, step S122 is performed: determining the preheating video as a heat video; otherwise, the pre-heating video is a non-hot video.
Through the steps S120 to S122, the order frequency, the effective watching frequency and the watching heat value of the video are considered in the evaluation of the heat video, so that the evaluation result of the heat video is more objective and accurate.
In this embodiment, the method for evaluating a popularity video further includes:
step S08: and judging whether the preheating video is not evaluated as the heat video in three continuous set periods.
In this step, the evaluation steps of the heat video are the above-described steps S120 to S122.
If so, go to step S09: and converting the preheating video into a common video, and judging whether the common video is the preheating video again.
In this step, it is determined whether the normal video is the pre-heating video by determining whether the number of times of the on-demand in the set period is greater than a first set threshold.
Step S08 and step S09 are executed before step S10. Through steps S08 to S09, the preheat video evaluation can be performed again on the preheat video that is not evaluated as the heat video after a period of time (for example, three set periods) (i.e., whether the video is the preheat video is confirmed again), and since the watching heat of the video changes with time, the above steps can make the evaluation result of the preheat video more objective and accurate, thereby further making the evaluation result of the heat video more objective and accurate.
In this embodiment, the method for evaluating a hot video further includes: step S13: and marking the heat videos and sending the heat videos to a video distribution network.
In this step, the video distribution network distributes the hot videos to the edge nodes which are close to the user, so that the edge nodes provide the on-demand service of the hot videos for the user.
The beneficial effects of the embodiments 1-2 are as follows: in the heat video evaluation method provided in embodiments 1-2, whether the preheated video is a heat video is evaluated according to the effective watching times and watching heat values of the preheated video, and compared with the existing method for evaluating the heat video only according to the video on-demand times, the heat video evaluation method in the present invention comprehensively considers the video on-demand times, the effective watching times, and the watching heat values, so that the heat video evaluation method can more objectively reflect the true heat of the video, and further, the evaluation result of the heat video is more objective and accurate, the heat video is distributed to the edge nodes of a video Content Distribution Network (CDN), and therefore, not only is the storage resources of the edge nodes not wasted, but also the pressure of the center nodes of the content distribution network is reduced, and thereby the fluency of the user in watching the video is ensured.
Example 3:
based on the method for evaluating a heat video provided in embodiment 2, this embodiment provides a heat video evaluation system, as shown in fig. 3, including: and the recording module 1 is used for recording the effective watching times of the preheated video in a set period. The preheating video is a video with the number of times of clicking in a set period larger than a first set threshold value. The effective watching is the watching behavior that the duration of continuously watching the preheating video is larger than a second set threshold. And the calculating module 2 is used for calculating the viewing heat value of the preheated video according to the effective viewing times of the preheated video. And the evaluation module 3 is used for evaluating whether the preheated video is the hot video according to the effective watching times and the watching hot value of the preheated video.
By arranging the calculation module 2 and the evaluation module 3, the evaluation of the heat video evaluation system on the heat video comprehensively considers the video on-demand times, the effective watching times and the watching heat value, so that the evaluation of the heat video can more objectively reflect the real heat of the video, and the evaluation result of the heat video is more objective and accurate.
Wherein, the evaluation module 3 comprises: a first judging unit 31, configured to judge whether the number of effective viewing times of the preheat video is greater than a first set threshold. The second judging unit 32 is configured to judge whether the watching heat value of the preheat video is greater than 0. A determining unit 33, configured to determine that the warm-up video is the heat video when the determination results of the first determining unit 31 and the second determining unit 32 are both yes.
In this embodiment, the calculation formula of the viewing heat value of the preheated video is as follows:
wherein mu is the observation heat value of the preheated video; i is the serial number of the set period; ni is the effective watching times of the preheated video in the ith set period; n [ i-1] is the effective watching times of the preheating video in the set period of i-1.
In this embodiment, the system for evaluating a heat video further includes: and the judging module 4 is used for judging whether the preheating video is not evaluated as the heat video in three continuous set periods. And the conversion judging module 5 is used for converting the preheating video into the common video and judging whether the common video is the preheating video again when the judging result of the judging module 4 is yes. The arrangement of the judgment module 4 and the conversion judgment module 5 can perform the preheating video evaluation again on the preheating video which is not evaluated as the heat video after a period of time (such as three set periods) (i.e. confirm whether the video is the preheating video again), and the module can enable the evaluation result of the preheating video to be more objective and accurate due to the fact that the watching heat of the video changes along with the time, thereby further enabling the evaluation result of the heat video to be more objective and accurate.
In this embodiment, the system for evaluating a heat video further includes: and the mark sending module 6 is used for marking the heat videos and sending the heat videos to the video distribution network. The video distribution network distributes the hot videos to edge nodes which are close to the users, so that the edge nodes provide the on-demand services of the hot videos for the users.
The beneficial effect of embodiment 3 is that, by setting the recording module, the calculating module and the evaluating module, the evaluation of the heat video by the heat video evaluating system comprehensively considers the number of video-on-demand times, the number of effective watching times and the watching heat value of the video, so that the evaluation of the heat video can more objectively reflect the true heat of the video, and further the evaluation result of the heat video is more objective and accurate, and the heat video is distributed to the edge node of the video Content Distribution Network (CDN), which not only does not waste the storage resource of the edge node, but also reduces the pressure of the center node of the content distribution network, thereby ensuring the fluency of the user in watching the video.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (6)
1. A method for evaluating a hot video, comprising:
recording the effective watching times of the preheated video in a set period; the preheating video is a video with the click-on frequency greater than a first set threshold value in the set period; the effective watching is a watching behavior that the duration of continuously watching the preheated video is greater than a second set threshold;
calculating the viewing heat value of the preheated video according to the effective viewing times of the preheated video;
evaluating whether the preheated video is a hot video according to the effective watching times and the watching hot value of the preheated video;
the calculation formula of the observation heat value of the preheated video is as follows:
wherein μ is the viewing heat value of the pre-heated video; i is the serial number of the set period; ni is the effective watching times of the preheated video in the ith set period; n [ i-1] is the effective watching times of the preheated video in the set period of i-1;
the evaluating whether the pre-heated video is a hotness video according to the effective watching times and the watching hotness value of the pre-heated video comprises:
step S120: judging whether the effective watching times of the preheated video are larger than the first set threshold value or not;
step S121: judging whether the observation heat value of the preheated video is greater than 0;
when the determination result of the step S120 is yes and the determination result of the step S121 is also yes, step S122 is executed: determining that the pre-heating video is the heat video.
2. The method for evaluating hot video according to claim 1, further comprising: judging whether the preheating video is not evaluated as the heat video in three continuous set periods; if yes, converting the preheating video into a common video, and judging whether the common video is the preheating video again.
3. The method for evaluating hot video according to claim 1, further comprising: and marking the popularity videos and sending the popularity videos to a video distribution network.
4. A system for assessing popularity video, comprising:
the recording module is used for recording the effective watching times of the preheated video in a set period; the preheating video is a video with the click-on frequency greater than a first set threshold value in the set period; the effective watching is a watching behavior that the duration of continuously watching the preheated video is greater than a second set threshold;
the calculation module is used for calculating the viewing heat value of the preheated video according to the effective viewing times of the preheated video;
the evaluation module is used for evaluating whether the preheated video is a hot video or not according to the effective watching times and the watching hot value of the preheated video;
the calculation formula of the observation heat value of the preheated video is as follows:
wherein μ is the viewing heat value of the pre-heated video; i is the serial number of the set period; ni is the effective watching times of the preheated video in the ith set period; n [ i-1] is the effective watching times of the preheated video in the set period of i-1;
the evaluation module comprises:
the first judging unit is used for judging whether the effective watching times of the preheated video is greater than the first set threshold value or not;
a second judging unit, configured to judge whether the observation heat value of the preheated video is greater than 0;
a determining unit, configured to determine that the pre-heating video is the heat video when the determination results of the first determining unit and the second determining unit are both yes.
5. The system according to claim 4, further comprising: the judging module is used for judging whether the preheating video is not evaluated as the heat video in three continuous set periods;
and the conversion judging module is used for converting the preheating video into a common video and judging whether the common video is the preheating video again when the judging result of the judging module is yes.
6. The system according to claim 4, further comprising: and the mark sending module is used for marking the heat videos and sending the heat videos to a video distribution network.
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| CN109327710B (en) * | 2018-12-10 | 2021-08-03 | 网宿科技股份有限公司 | Method and device for determining cold and hot conditions of video stream of live broadcast system |
| CN112218114B (en) * | 2019-07-10 | 2023-01-03 | 中国电信股份有限公司 | Video cache control method, device and computer readable storage medium |
| CN110825910B (en) * | 2019-10-15 | 2023-10-13 | 平安科技（深圳）有限公司 | Video course recommendation method and related device based on big data |
| CN113784170B (en) * | 2021-11-11 | 2022-03-22 | 深圳市名竹科技有限公司 | Content data preheating method and device, computer equipment and storage medium |
| CN115334321B (en) * | 2022-08-10 | 2024-04-09 | 北京百度网讯科技有限公司 | Method and device for acquiring access heat of video stream, electronic equipment and medium |
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