CN112203141A - Video-on-demand content identification method, device, equipment and system and smart television - Google Patents
Video-on-demand content identification method, device, equipment and system and smart television Download PDFInfo
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- 230000008569 process Effects 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 description 6
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- 230000006870 function Effects 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
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- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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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, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
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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
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
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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
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to a method, a device, equipment and a system for identifying video-on-demand content and an intelligent television. The method comprises the steps of obtaining unidentified on-demand videos and cutting the on-demand videos into frame pictures; encrypting each frame of the video on demand to obtain a unique identifier of each frame of the video; generating a characteristic authentication library based on the unique identifier of each frame and the basic information of the video on demand; intercepting a frame picture of a current video of a user based on a preset progress, and acquiring a unique identifier of the frame picture of the corresponding progress; and authenticating the current video of the user based on the unique identifier of the feature authentication library and the corresponding progress frame picture to identify the content watched by the user currently, so that the content watched by the user is monitored in real time.
Description
Technical Field
The invention belongs to the technical field of video identification, and particularly relates to a method, a device, equipment and a system for identifying video-on-demand content and an intelligent television.
Background
With the rapid development of scientific technology, the smart television becomes an open interactive platform capable of integrating network resources, providing more functions and services specially designed for watching video contents for users, and greatly improving the large-screen watching experience due to the appearance of the smart television.
At present, the smart television equipment can be used for a user to independently install a third-party on-demand APP. The smart television only knows that a user uses a certain on-demand APP, but the APP downloaded by most users is not system application, so that the content watched by the user cannot be identified.
That is, when a user uses the smart television to request the APP by a third party, the smart television only provides the large-screen service of the common television and cannot monitor the watched content in real time; for example, when a user independently installs a third-party APP to watch a video, the system needs to identify whether the video is suspected of illegal contents such as yellow scanning and non-scanning. If the illegal content is suspected, evidence is required to be obtained and reported, the APP is put into a system blacklist, all television equipment is forbidden to start and install the APP, and the conventional smart television does not have the function.
Disclosure of Invention
In order to solve the problem that real-time monitoring cannot be realized in the prior art, the invention provides a video-on-demand content identification method, device, equipment, system and smart television, which have the characteristics of automatic monitoring and the like.
According to the specific implementation mode of the invention, the video-on-demand content identification method comprises the following steps:
acquiring unidentified on-demand videos, and cutting the on-demand videos into frame pictures;
encrypting each frame of the video on demand to obtain a unique identifier of each frame;
generating a characteristic authentication library based on the unique identifier of each frame of picture and the basic information of the video on demand;
intercepting a frame picture of a current video of a user based on a preset progress, and acquiring a unique identifier of the frame picture of the corresponding progress;
and authenticating the current video of the user based on the unique identification of the characteristic authentication library and the corresponding progress frame picture to identify the content currently watched by the user.
Further, the video-on-demand content identification method further includes:
and if the content currently watched by the user is illegal, storing the frame picture of the corresponding progress and the corresponding unique identifier so as to report correspondingly.
Further, the process of acquiring the unique identifier of each frame of picture and the unique identifier of the corresponding progress frame picture includes:
and (4) intercepting the frame picture with the central point of 800 × 450 pixels, encrypting by md5, and taking the encrypted digest as a unique identifier.
Further, the basic information of the on-demand video at least comprises:
original film information and the corresponding time length of each frame.
Further, the intercepting a frame picture of a current video of a user based on a preset progress comprises:
frame pictures of 25% and 50% and 75% progress of the current video are intercepted.
Further, the video-on-demand content identification method further includes:
identifying APP classification based on the APP packet name of the current process, and if the APP is the video classification APP, intercepting a frame picture of the current video of the user based on a preset progress.
According to an embodiment of the present invention, an apparatus for identifying vod contents includes:
the characteristic authentication library generating module is used for acquiring unidentified video-on-demand and cutting the video-on-demand into frame pictures; encrypting each frame of the video on demand to obtain a unique identifier of each frame; generating a characteristic authentication library based on the unique identifier of each frame of picture and the basic information of the video on demand; and
the current video intercepting module is used for intercepting a frame picture of a current video of a user based on a preset progress and acquiring a unique identifier of the frame picture of the corresponding progress; and authenticating the current video of the user based on the unique identification of the characteristic authentication library and the corresponding progress frame picture to identify the content currently watched by the user.
According to an embodiment of the present invention, an apparatus for identifying vod contents is provided, which includes:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program;
the processor is configured to call and execute the computer program in the memory to perform the vod content identification method.
According to an embodiment of the present invention, a vod content identification system is provided, which includes: the intelligent television is used for playing videos.
According to the specific embodiment of the invention, the intelligent television comprises the video-on-demand content identification device.
The invention has the beneficial effects that: the unidentified video-on-demand is cut into frame pictures, the frame pictures are encrypted to obtain the unique identifier of each frame picture to generate a feature authentication library, the video watched by the user is intercepted on the basis of the preset progress to obtain the unique identifier of the frame picture of the corresponding progress, a group of unique identifiers are authenticated on the basis of the feature authentication library, the current watching content of the user is further automatically identified, and the real-time monitoring of the watching content of the user is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method for video on demand content identification provided in accordance with an exemplary embodiment;
FIG. 2 is another flow chart of a method for video on demand content identification provided in accordance with an exemplary embodiment;
FIG. 3 is a schematic diagram of a video on demand content identification apparatus provided in accordance with an exemplary embodiment;
FIG. 4 is a schematic diagram of a video on demand content identification apparatus provided in accordance with an exemplary embodiment;
FIG. 5 is a schematic diagram of a video on demand content identification system provided in accordance with an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a method for identifying vod contents, which specifically includes:
101. acquiring unidentified on-demand videos, and cutting the on-demand videos into frame pictures;
in a particular implementation, unprocessed on-demand videos are continuously and cyclically identified, the on-demand videos are cut into frame pictures, and the identification state is updated.
102. Encrypting each frame of the video on demand to obtain a unique identifier of each frame of the video;
after each frame of picture is preliminarily intercepted, binary encryption is carried out on the intercepted picture content, and the encrypted abstract is used as a unique identifier (fingerprint code).
103. Generating a characteristic authentication library based on the unique identifier of each frame and the basic information of the video on demand;
104. intercepting a frame picture of a current video of a user based on a preset progress, and acquiring a unique identifier of the frame picture of the corresponding progress;
because most of the videos with the 1% and 100% progress are front-mounted or rear-mounted advertisements and the videos at the head and the tail of the television drama have high repeatability and cannot be identified with unique contents, other playing progresses can be selected to intercept pictures to generate corresponding unique identifiers.
105. And authenticating the current video of the user based on the unique identifier of the feature authentication library and the corresponding progress frame picture to identify the content currently watched by the user.
The unique identification (fingerprint code) of each progress frame picture of the video watched by a user and the characteristic authentication library can be correspondingly identified, so that the monitoring of the implementation of the watching content and the intelligent identification of the watching content are realized.
In order to further optimize the technical solution, referring to fig. 2, in another embodiment of the present invention, the method for identifying vod content specifically includes:
201. acquiring unidentified on-demand videos, and cutting the on-demand videos into frame pictures;
202. encrypting each frame of the video on demand to obtain a unique identifier of each frame of the video;
203. generating a characteristic authentication library based on the unique identifier of each frame and the basic information of the video on demand;
204. intercepting a frame picture of a current video of a user based on a preset progress, and acquiring a unique identifier of the frame picture of the corresponding progress;
205. and authenticating the current video of the user based on the unique identifier of the feature authentication library and the corresponding progress frame picture to identify the content currently watched by the user.
206. And if the content currently watched by the user is illegal, storing the frame picture of the corresponding progress and the corresponding unique identifier so as to report correspondingly.
And carrying out authentication, identification and authentication in an authentication library according to the unique identification code. If illegal contents such as yellow-sweeping unequal are involved, evidence is directly obtained and reported, and the APP is sealed on all corresponding equipment. Normal programs are identified and supported for other services. The functions of monitoring and stopping watching are well achieved.
As a feasible implementation manner of the foregoing embodiment, in a specific implementation process, the process of acquiring the unique identifier of each frame of picture and the unique identifier of the corresponding progress frame of picture includes:
and (3) intercepting the frame picture with the size of 800 × 450 pixels at the center, namely removing a frame and a watermark, taking the frame as a core picture, encrypting the core picture by using binary md5, and taking the encrypted digest as a unique identifier (fingerprint code).
The basic information of the video on demand at least comprises: original film information and the corresponding time length of each frame. That is, the fingerprint code, the original film information, the corresponding duration of the current frame and other information are stored to generate the feature authentication library of the video on demand.
Intercepting a frame picture of a current video of a user based on a preset progress comprises the following steps: frame pictures of 25% and 50% and 75% progress of the current video are intercepted. And taking the frame pictures of the three intercepted progresses as a group of unique identifiers to carry out authentication by accessing an authentication library so as to identify the content currently watched by the user.
And identifying APP classification according to the current process APP packet name, if the current process APP is a video classification APP, intercepting content frame pictures of current videos 1/4, 2/4 and 3/4 to generate a group of unique identification codes, and performing authentication, identification and authentication on an online authentication library according to the unique identification codes. If illegal contents such as yellow-sweeping unequal are involved, evidence is directly obtained and reported, and the APP is sealed on corresponding equipment. Normal programs are identified and supported for other services.
Referring to fig. 3, an embodiment of the present invention further provides a vod content identification apparatus, including:
the characteristic authentication library generating module is used for acquiring unidentified on-demand videos and cutting the on-demand videos into frame pictures; encrypting each frame of the video on demand to obtain a unique identifier of each frame of the video; generating a characteristic authentication library based on the unique identifier of each frame and the basic information of the video on demand; and
the current video intercepting module is used for intercepting a frame picture of a current video of a user based on a preset progress and acquiring a unique identifier of the frame picture of the corresponding progress; and authenticating the current video of the user based on the unique identifier of the feature authentication library and the corresponding progress frame picture to identify the content currently watched by the user. In a specific implementation process, the feature authentication library generation module may be set in a cloud and connected to the current video capture module through a wireless network to identify content, and for a specific implementation manner of the vod content identification apparatus, reference may be made to the above-mentioned embodiment of the vod content identification method, which is not described herein again.
In order to adapt to the foregoing vod content identification apparatus, referring to fig. 4, an embodiment of the present invention further provides a vod content identification device, including:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program;
the processor is used for calling and executing the computer program in the memory to execute the video-on-demand content identification method according to the above embodiment.
The embodiment of the present invention shown in fig. 5 further provides a vod content identification system, including: the intelligent television is used for playing videos.
Based on the same design idea, the embodiment of the invention also provides the smart television, which comprises the video-on-demand content identification device.
According to the video-on-demand content identification method, device, equipment and system and the smart television provided by the embodiment of the invention, the APP classification is identified according to the current process APP packet name, if the APP is the video classification APP, the content frame pictures of the current videos 1/4, 2/4 and 3/4 are intercepted, a group of unique identification codes are generated, and authentication identification authentication is carried out on the video-on-demand authentication library according to the unique identification codes. If illegal contents such as yellow-sweeping unequal are involved, evidence is directly obtained and reported, and the APP is sealed on all equipment at home. The normal program is identified and supported by other services, so that the real-time monitoring and supervision of the APP playing content are realized.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A method for identifying vod content, comprising:
acquiring unidentified on-demand videos, and cutting the on-demand videos into frame pictures;
encrypting each frame of the video on demand to obtain a unique identifier of each frame;
generating a characteristic authentication library based on the unique identifier of each frame of picture and the basic information of the video on demand;
intercepting a frame picture of a current video of a user based on a preset progress, and acquiring a unique identifier of the frame picture of the corresponding progress;
and authenticating the current video of the user based on the unique identification of the characteristic authentication library and the corresponding progress frame picture to identify the content currently watched by the user.
2. The vod content identification method according to claim 1, further comprising:
and if the content currently watched by the user is illegal, storing the frame picture of the corresponding progress and the corresponding unique identifier so as to report correspondingly.
3. The vod content identification method according to claim 1, wherein the obtaining of the unique id of each frame and the unique id of the corresponding progress frame comprises:
and (4) intercepting the frame picture with the central point of 800 × 450 pixels, encrypting by md5, and taking the encrypted digest as a unique identifier.
4. The vod content identification method according to claim 3, wherein the basic information of the vod content comprises at least:
original film information and the corresponding time length of each frame.
5. The vod content identification method according to claim 1, wherein the intercepting a frame of the current video of the user based on a preset schedule comprises:
frame pictures of 25% and 50% and 75% progress of the current video are intercepted.
6. The vod content identification method according to any one of claims 1 to 5, further comprising:
identifying APP classification based on the APP packet name of the current process, and if the APP is the video classification APP, intercepting a frame picture of the current video of the user based on a preset progress.
7. A vod content identification device, comprising:
the characteristic authentication library generating module is used for acquiring unidentified video-on-demand and cutting the video-on-demand into frame pictures; encrypting each frame of the video on demand to obtain a unique identifier of each frame; generating a characteristic authentication library based on the unique identifier of each frame of picture and the basic information of the video on demand; and
the current video intercepting module is used for intercepting a frame picture of a current video of a user based on a preset progress and acquiring a unique identifier of the frame picture of the corresponding progress; and authenticating the current video of the user based on the unique identification of the characteristic authentication library and the corresponding progress frame picture to identify the content currently watched by the user.
8. A vod content identification device, comprising:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program;
the processor is configured to invoke and execute the computer program in the memory to perform the vod content identification method according to any one of claims 1 to 6.
9. A video-on-demand content identification system, comprising: the smart television for playing video and the vod content recognition apparatus according to claim 8 connected to the smart television.
10. An intelligent television, characterized by comprising a video-on-demand content identification device according to claim 8.
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Application publication date: 20210108 |