CN111193949A - Method and equipment for acquiring video content associated information - Google Patents
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- CN111193949A CN111193949A CN202010027848.9A CN202010027848A CN111193949A CN 111193949 A CN111193949 A CN 111193949A CN 202010027848 A CN202010027848 A CN 202010027848A CN 111193949 A CN111193949 A CN 111193949A
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/251—Learning process for intelligent management, e.g. learning user preferences for recommending movies
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/251—Learning process for intelligent management, e.g. learning user preferences for recommending movies
- H04N21/252—Processing of multiple end-users' preferences to derive collaborative data
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The application provides a method and equipment for acquiring video content associated information, a video can be played on a first terminal, the video content associated information corresponding to the video content being played is pushed to a second terminal which subscribes the video content associated information corresponding to the video, a user can check the pushed video content associated information through the second terminal, and the user can select the type of the received pushed associated information according to own preference, so that the interference of the display of the video content associated information on a video playing picture is avoided, the video watching experience of the user is improved, the personalized video watching requirement of the user is met, and the personalized service capability is improved.
Description
Technical Field
The present application relates to the field of video processing, and in particular, to a method and device for acquiring video content related information.
Background
Currently, when a user watches a played video, there is often a need to further know the related information of the video content, for example, when a certain scenic spot appears in the played video content, the user wants to know the related information of the building year, the main features, the historical events, and the like of the scenic spot. However, in the prior art, the playing of the video and the display of the video content related information are often performed on the same terminal, and the display of the related information may affect the playing picture of the video, resulting in the degradation of the video watching experience of the user. Meanwhile, it is difficult for the user to select corresponding information according to the preference of the user on the video content associated information, and only the associated information provided in the video playing process can be passively received, so that the user experience is poor.
Disclosure of Invention
An object of the present application is to provide a method and an apparatus for obtaining video content associated information, so as to solve the problem that video content associated information affects video viewing in the prior art.
In order to achieve the above object, the present application provides a method for obtaining video content associated information at a server, where the method includes:
acquiring video content associated information corresponding to video content in a video, wherein the video content is played on a first terminal;
and sending the video content associated information corresponding to the video content to a second terminal, wherein the second terminal subscribes the video content associated information corresponding to the video in advance.
Further, acquiring video content associated information corresponding to video content in the video, including:
detecting a preset label corresponding to the video content;
and retrieving in a preset knowledge graph information base according to the preset label to obtain video content associated information corresponding to the video content.
Furthermore, the preset tag has a corresponding relation with the playing time of the video content corresponding to the preset tag.
Further, the preset tag is determined according to target object information obtained by identifying a target object in the video content corresponding to the preset tag in advance.
Further, retrieving in a preset knowledge graph information base according to the preset tag, and acquiring video content associated information corresponding to the video content, including:
retrieving in a preset knowledge graph information base according to the preset label to obtain direct association information of the preset label;
retrieving in the preset knowledge map information base according to the direct association information of the preset label to obtain indirect association information of the preset label;
and determining the direct associated information of the preset label and the indirect associated information of the preset label as the video content associated information corresponding to the video content.
Further, sending the video content associated information corresponding to the video content to a second terminal includes:
and filtering the video content associated information corresponding to the video content according to the preference information corresponding to the second terminal, and sending a filtering result to the second terminal subscribing the video content associated information corresponding to the video.
Based on another aspect, the present application further provides a method for acquiring video content associated information at a second terminal, where the method includes:
acquiring release information of a video, wherein the release information is used for subscribing video content associated information corresponding to the video;
sending a subscription instruction of video content associated information corresponding to the video to a server according to the publishing information of the video;
and receiving and displaying video content related information corresponding to the video sent by the server.
Further, the method further comprises:
sending a preference information setting instruction to the server, the preference information being used to control the type of the video content associated information sent at the server.
The present application further provides an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, cause the apparatus to perform the aforementioned method of obtaining video content associated information at a server side or a method of obtaining video content associated information at a second terminal.
The present application further provides a computer readable medium having stored thereon computer readable instructions executable by a processor to implement the aforementioned method of obtaining video content associated information at a server side or the method of obtaining video content associated information at a second terminal.
Compared with the prior art, the scheme provided by the application can play the video on the first terminal, and push the video content associated information corresponding to the video content being played to the second terminal subscribing the video content associated information corresponding to the video, so that the user can check the pushed video content associated information through the second terminal, and can select the type of the received pushed associated information according to the preference of the user, thereby avoiding the interference of the display of the video content associated information on a video playing picture, improving the video watching experience of the user, meeting the personalized video watching requirement of the user, and improving the personalized service capability.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a flowchart of a method for obtaining video content associated information at a server according to some embodiments of the present application.
Fig. 2 is a flowchart of a method for acquiring video content associated information at a second terminal according to some embodiments of the present disclosure.
The same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
The present application is described in further detail below with reference to the attached figures.
In a typical configuration of the present application, the terminal and the network device each include one or more processors (CPUs), input/output interfaces, network interfaces, and memories.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
Fig. 1 illustrates a method for acquiring video content associated information at a server according to some embodiments of the present application, where the method specifically includes the following steps:
step S101, acquiring video content associated information corresponding to video content in a video, wherein the video content is played on a first terminal;
step S102, sending the video content associated information corresponding to the video content to a second terminal, wherein the second terminal subscribes the video content associated information corresponding to the video in advance.
The method is particularly suitable for scenes in which the associated information corresponding to the video content is expected to be known when the video is watched, the video playing picture can be displayed on the first terminal, the associated information corresponding to the video content being played is displayed on the second terminal, the display of the associated information of the video content does not influence the playing of the video picture, the video watching experience of a user is better, and the user can view more associated information of the video content while watching the video.
Here, the server side may include hardware devices or software supporting network connection to provide various network services. When the server includes hardware, it may be implemented as a distributed device group composed of a plurality of network devices, or may be implemented as a single network device, such as a distributed server or a single server. When the server includes software, the software can be installed in the network devices listed above. At this time, as software, it may be implemented as a plurality of software or software modules for providing a distributed service, for example, or as a single software or software module. And is not particularly limited herein.
The first terminal may be various electronic devices capable of accessing the server side through a network, and generally has a large display screen or projects playing contents of a video on a large screen, and the first terminal may be, for example, a television, a movie side, or the like.
The second terminal may also be various electronic devices capable of accessing the server side through a network, and may be implemented as hardware devices or software. When the second terminal includes hardware, it may include, but is not limited to, a smart phone, a tablet computer, an e-book reader, a laptop portable computer, a desktop computer, and the like. When the second terminal includes software, it may be installed in the various electronic devices described above and may be implemented as a single or multiple software modules.
In step S101, the server first acquires video content related information corresponding to video content in a video. Here, the video content is a part of a video, and may be a video frame or a plurality of video frames in the video, and the video frame is a basic unit constituting the video. The playing of the video is a process of sequentially displaying the corresponding video frames according to the time sequence corresponding to the video frames. In some embodiments of the present application, the server may be configured to control a playing status of the video content, and the playing of the video content is performed on the first terminal, and the video content is displayed on a display screen or a corresponding display curtain of the first terminal.
In some embodiments of the present application, obtaining video content associated information corresponding to video content in a video may include the following steps:
1) detecting a preset label corresponding to the video content;
2) and retrieving in a preset knowledge graph information base according to the preset label to obtain video content associated information corresponding to the video content.
Here, the preset tag is a mark corresponding to video content, which is established after the video is preprocessed, and the preset tag may be used to mark types of objects appearing in the corresponding video content, where the types of the objects may include, but are not limited to, people, objects, vehicles, buildings, specific keywords, clothing, and the like.
The server continuously detects the preset label when playing the video, if the preset label is not detected, the subsequent processing according to the preset label is not carried out, and if the preset label is detected, the subsequent processing is carried out according to the preset label.
In some embodiments of the present application, the preset tag has a corresponding relationship with a playing time of the video content corresponding to the preset tag. Here, there is also a corresponding relationship between the playing time of the video and the video content, and the video content played in a certain playing time of the video is determined, so that a corresponding relationship between the preset tag corresponding to the video content and the playing time of the video content can be established, and thus whether there is a corresponding preset tag can be determined by the playing time of the video.
In some embodiments of the present application, the preset tag is determined according to target object information obtained by identifying a target object in the video content corresponding to the preset tag in advance. Here, the target object in the video content refers to target information that can be recognized in the process of generating the video content related information, and examples thereof include a person, an object, a vehicle, a building, a specific keyword, clothing, a person name, a place name, and the like. The target object in the video content can be identified in advance by adopting various artificial intelligence technologies, such as character identification, image identification, audio identification and the like, so as to identify the target object information in the video. After the target object information is obtained, the video is marked with a refined label according to a time axis, namely, a corresponding relation between a preset label and the playing time of the corresponding video content is established.
In some embodiments of the present application, the server retrieves, according to the preset tag, from a preset knowledge graph information base to obtain video content associated information corresponding to the video content, and may specifically include the following steps:
1) retrieving in a preset knowledge graph information base according to the preset label to obtain direct association information of the preset label;
2) retrieving in the preset knowledge map information base according to the direct association information of the preset label to obtain indirect association information of the preset label;
3) and determining the direct associated information of the preset label and the indirect associated information of the preset label as the video content associated information corresponding to the video content.
Here, the knowledge-graph information base is an information base which is established in advance through a knowledge-graph technology, and is used for providing richer video content associated information for a target object in video content, and not only includes information of the target object in the video content, but also includes related information of the target object, for example, the target object in the video content is star a, and the knowledge-graph information base includes not only various information of star a, but also information of a relationship person of star a, such as a spouse, a related event, and the like.
A knowledge graph is a collection of nodes, which may be people, things, concepts, definitions, etc., and relationships, which describe the connections between nodes. The knowledge graph is built through large data accumulation, for example, the knowledge graph of hundred-degree search contains millions of nodes and association relations among the nodes.
Specifically, the video content associated information corresponding to the video content may include direct associated information and indirect associated information of a preset tag, where the direct associated information and the indirect associated information may be divided according to a degree of association with the preset tag, for example, whether the preset tag has a one-layer association or a two-layer association, for example, information a in the preset tag is associated with associated information B, which is associated with associated information C, the degree of association between AB is 1, the degree of association between AC is 2, the associated information with a degree of association of a being 1 may be determined as the direct associated information, and the associated information with a degree of association of a being 2 or more may be determined as the indirect associated information, where B is the direct associated information and C is the indirect associated information.
In step S102, the server sends the video content related information corresponding to the video content to the second terminal, where the second terminal subscribes to the video content related information corresponding to the video in advance. The video content associated information corresponding to the video refers to video content associated information corresponding to the whole video, is a set of video content associated information corresponding to the video content, and comprises video content associated information corresponding to at least one piece of video content. The number of the second terminals may be 1, or 1 or more.
The second terminal can subscribe the video content associated information corresponding to the video before the video is played, a user of the second terminal can browse the video content associated information in advance, and the server sends the corresponding video content associated information to the second terminal after the video starts to be played; the second terminal may also subscribe to video content associated information corresponding to the video after the video is played, and the server sends the video content associated information after the subscription time to the second terminal.
In some embodiments of the application, the video content associated information corresponding to the video content is sent to a second terminal, the video content associated information corresponding to the video content can be filtered according to the preference information corresponding to the second terminal, and the filtering result is sent to the second terminal subscribing to the video content associated information corresponding to the video. The server can perform personalized push to the second terminal subscribing the video content associated information, so that a user receiving the video content associated information can see information which the user is interested in, and the situation that all information is pushed indiscriminately is avoided, so that unnecessary data transmission between the server and the second terminal is reduced, and the user experience is improved. The preference information corresponding to the second terminal is determined according to the preference of the user, for example, the user a pays attention to the associated information of the character type in the video content, the user B pays attention to the associated information of the building type in the video content, the server can push the video content associated information of the character type to the second terminal corresponding to the user a, and can push the video content associated information of the building type to the second terminal corresponding to the user B.
Fig. 2 illustrates a method for acquiring video content associated information at a second terminal according to some embodiments of the present application, where the method specifically includes the following steps:
step S201, acquiring publishing information of a video, wherein the publishing information is used for subscribing video content associated information corresponding to the video;
step S202, according to the release information of the video, sending a subscription instruction of video content associated information corresponding to the video to a server;
step S203, receiving and displaying the video content related information corresponding to the video sent by the server.
In step S201, the second terminal acquires distribution information of the video. Here, the publishing information is used to subscribe to video content associated information corresponding to the video, and the second terminal may select a video desired to be subscribed from the publishing information of the plurality of videos and obtain corresponding publishing information. The user can acquire the release information of the video through the second terminal in various ways, such as inputting a specific number sequence, scanning a two-dimensional code way, and the like.
In step S202, the second terminal sends a subscription instruction of video content associated information corresponding to the video to the server according to the publishing information of the video. After the second terminal acquires the publishing information of the video, a corresponding subscription instruction can be generated according to the video server information (such as a server name, a server network address, a server port and the like) and the video information (such as a video name, a video file path and the like) in the publishing information, the subscription instruction is sent to the server, and the server adds the second terminal to a pushing target for pushing the video content associated information of the corresponding video according to the subscription instruction.
In step S203, the second terminal receives and displays the video content related information corresponding to the video sent by the server, so that the user can refer the video content related information.
In some embodiments of the present application, the second terminal may further send a preference information setting instruction to the server, where the preference information is used to control the type of the video content associated information sent on the server. The preference information is determined according to the preference of the user, the user determines corresponding preference information according to the preference of the user through the second terminal, the second terminal sends a preference information setting instruction to the server according to the determined preference information, and the server sets the preference information corresponding to the second terminal after receiving the preference information setting instruction.
In some embodiments of the present application, the second terminal may further send a video content related information selection instruction to the server, and the server marks a target object in the video content displayed on the first terminal according to the received instruction. Specifically, the user may select the video content related information through the second terminal, for example, triggering a specific video content related information item or triggering a category, the second terminal generates a corresponding selection instruction according to the selection trigger of the user and sends the selection instruction to the server, the server determines the related information of the corresponding target object according to the selection instruction, for example, the position of the target object in the video content, and sends the related information of the target object to the first terminal, and the first terminal displays the related information. The first terminal can display the related information of the target object in a plurality of display modes, such as a floating layer display mode, an indication frame display mode and the like. For example, a video content about a sunrise is played on the first terminal, the user can select the character of the sunrise on the second terminal, and the server marks the sunrise in a video picture displayed on the first terminal and displays the description information. The user can also select the 'persona' category through the second terminal, and the server will mark all the personas and display the persona-related descriptive information on the first terminal.
In some embodiments of the application, the second terminal may further send a video content related information playing instruction to the server, and the server determines a playing target position according to the received instruction and skips to the playing target position to play. Specifically, the user can select a target object in the video content associated information through the second terminal, the second terminal generates a video content associated information playing instruction according to the selected target object and sends the video content associated information playing instruction to the server, and the server determines the appearance time of the target object according to the instruction and starts to play the video from the appearance time. Preferably, if the target object appears in the video a plurality of times, the user may also select the second occurrence of the target object through the second terminal, and the server may play the video from the time of the second occurrence of the target object. For example, person a appears 5 times in the video, and the user selects person a to appear 3 rd in the video, the server may play the video starting at the time of person a's 3 rd appearance.
Some embodiments of the present application also provide an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, cause the apparatus to perform the aforementioned method of obtaining video content associated information at a server side or the method of obtaining video content associated information at a second terminal.
Some embodiments of the present application also provide a computer readable medium having stored thereon computer readable instructions executable by a processor to implement the aforementioned method of obtaining video content associated information at a server side or the method of obtaining video content associated information at a second terminal.
In summary, the scheme provided by the application can play the video on the first terminal, and push the video content associated information corresponding to the video content being played to the second terminal subscribing the video content associated information corresponding to the video, so that the user can check the pushed video content associated information through the second terminal, and can select the type of the received pushed associated information according to the preference of the user, thereby avoiding the interference of the display of the video content associated information on the video playing picture, improving the video watching experience of the user, meeting the personalized video watching demand of the user, and improving the personalized service capability.
It should be noted that the present application may be implemented in software and/or a combination of software and hardware, for example, implemented using Application Specific Integrated Circuits (ASICs), general purpose computers or any other similar hardware devices. In one embodiment, the software programs of the present application may be executed by a processor to implement the steps or functions described above. Likewise, the software programs (including associated data structures) of the present application may be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Additionally, some of the steps or functions of the present application may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
In addition, some of the present application may be implemented as a computer program product, such as computer program instructions, which when executed by a computer, may invoke or provide methods and/or techniques in accordance with the present application through the operation of the computer. Program instructions which invoke the methods of the present application may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with the program instructions. An embodiment according to the present application comprises a device comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the device to perform a method and/or a solution according to the aforementioned embodiments of the present application.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (10)
1. A method for obtaining video content associated information at a server side comprises the following steps:
acquiring video content associated information corresponding to video content in a video, wherein the video content is played on a first terminal;
and sending the video content associated information corresponding to the video content to a second terminal, wherein the second terminal subscribes the video content associated information corresponding to the video in advance.
2. The method of claim 1, wherein obtaining video content associated information corresponding to video content in the video comprises:
detecting a preset label corresponding to the video content;
and retrieving in a preset knowledge graph information base according to the preset label to obtain video content associated information corresponding to the video content.
3. The method according to claim 2, wherein the preset tag corresponds to a playing time of the video content corresponding to the preset tag.
4. The method according to claim 3, wherein the preset tag is determined according to target object information obtained by identifying a target object in the video content corresponding to the preset tag in advance.
5. The method according to claim 3, wherein retrieving the video content associated information corresponding to the video content from a preset knowledge-graph information base according to the preset tag comprises:
retrieving in a preset knowledge graph information base according to the preset label to obtain direct association information of the preset label;
retrieving in the preset knowledge map information base according to the direct association information of the preset label to obtain indirect association information of the preset label;
and determining the direct associated information of the preset label and the indirect associated information of the preset label as the video content associated information corresponding to the video content.
6. The method of claim 1, wherein transmitting video content associated information corresponding to the video content to the second terminal comprises:
and filtering the video content associated information corresponding to the video content according to the preference information corresponding to the second terminal, and sending a filtering result to the second terminal subscribing the video content associated information corresponding to the video.
7. A method for obtaining video content associated information at a second terminal, wherein the method comprises:
acquiring release information of a video, wherein the release information is used for subscribing video content associated information corresponding to the video;
sending a subscription instruction of video content associated information corresponding to the video to a server according to the publishing information of the video;
and receiving and displaying video content related information corresponding to the video sent by the server.
8. The method of claim 7, wherein the method further comprises:
sending a preference information setting instruction to the server, the preference information being used to control the type of the video content associated information sent at the server.
9. An apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, cause the apparatus to perform the method of any of claims 1 to 8.
10. A computer readable medium having computer readable instructions stored thereon which are executable by a processor to implement the method of any one of claims 1 to 8.
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| CN104113785A (en) * | 2014-06-26 | 2014-10-22 | 小米科技有限责任公司 | Information acquisition method and device |
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2020
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| US20130247096A1 (en) * | 2007-05-02 | 2013-09-19 | Google Inc. | User Interfaces For Web-Based Video Player |
| CN103618956A (en) * | 2013-11-13 | 2014-03-05 | 深圳市同洲电子股份有限公司 | Method for obtaining video associated information and mobile terminal |
| CN104113785A (en) * | 2014-06-26 | 2014-10-22 | 小米科技有限责任公司 | Information acquisition method and device |
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Application publication date: 20200522 |