KR20090076664A - System and method for an user-preferred video information service - Google Patents

Abstract

A system and a method for providing user-preferred video information service are provided to easily search the video contents in a short time by searching the video contents based on a user preference extracted from the video contents. A video information production server performs a packaging of meta data relating to the video content and a video content(S504). A user terminal requests a search according to the input of the particular keyword of the video information database through the video contents providing server(S508,S512). The meta data corresponding to the particular keyword is searched in the video information DB. The information of the video content in which the video contents providing server corresponds with the searched meta data as described above is supplied to the user terminal(S518).

Description

System information method and system based on user preferences {System and method for an user-preferred video information service}

The present invention relates to a video information service method and system based on user's preference to serve video information based on user's preference in a video service of a mobile communication network including WCDMA.

In general, various video services are provided through a mobile communication terminal such as a mobile phone, and the number and types of video information services provided are increasing.

For example, news information provided as text-based or one image was provided in an optimized form for a user's mobile communication terminal such as news content provided in a broadcast through a video call service.

Accordingly, in order to obtain desired image information contents through a mobile communication terminal, a user searches through a search engine or searches for and consumes desired image information contents through a classified directory.

For example, a user tends to consume a video information service such as news according to a specific subject, and a user tends to consume video information content according to a user's preference.

Accordingly, there is a demand for a technology that can freely search provided video content according to a user's preference, and can easily search based on information describing the content or meaning of the desired video content.

The present invention extracts important content, semantic information, and feature information from the video content to generate metadata, package the metadata and the video content into a single file, and genre and characteristics of the video content in order to meet the above requirements. It is an object of the present invention to provide a method and system for image information service based on user preference, by predicting user preference and automatically classifying image content based on the same, thereby enabling a user to easily search for desired image content.

According to an aspect of the present invention, there is provided a video information service method comprising: (a) generating metadata by extracting specific information from video content; (b) packaging and storing the metadata and the image content; (c) receiving a request for searching according to input of a specific keyword from a user; (d) retrieving the metadata corresponding to the specific keyword; And (e) providing information of the video content corresponding to the retrieved metadata.

In addition, in the step (a), the specific information includes information on the content, meaning, and characteristics of the video content.

Also, in the step (e), the information of the image contents classified according to the user's preference is provided as a list.

In addition, the user preference may be a form of digitizing a keyword including a genre, a detailed genre, a subject, and a person, or includes preference information determined based on image content consumed by a user.

The user preference is determined using a user profile related to user information and content information accumulated while consuming the video content.

In the step (b), the metadata and the image content are packaged and stored in one file.

The metadata includes MPEG-7, MPEG-21, and TV-Anytime.

On the other hand, the image information service method according to the present invention for achieving the above object, (a) extracting specific information from the image content to generate as metadata; (b) storing connection information connecting the metadata and the image content to each other; (c) receiving a request for information retrieval of the image content from a user; (d) generating and displaying a category based on user preferences according to the information retrieval request; (e) selecting an arbitrary category from the user among the displayed categories; And (f) searching for the metadata corresponding to the selected category and providing the image content corresponding to the searched metadata.

In addition, in the step (a), the specific information includes information on the content, meaning, and characteristics of the video content.

Also, in the step (c), the information of the image content is requested from the user terminal in the form of metadata or a specific protocol.

Also, in the step (d), the category based on the user preference is displayed as a list in the form of metadata.

The user preference is determined using a user profile related to user information and content information accumulated while consuming the video content.

In the step (e), the image content linked to the category selected by the user is displayed.

On the other hand, the image information service system according to the present invention for achieving the above object, to extract the specific information from the image content to generate the metadata, the image of the generated metadata and the image content in a single file Information production server; An image information database for storing one packaged file; A user terminal for requesting a search request from a user as image information content based on a preference; And an image information providing server analyzing the request of the image information contents and loading the list of image contents corresponding to the metadata according to the analyzed preferences from the image information database and providing the list to the user terminal.

In addition, the video content is linked to each list of the video content.

The preference is determined using a user profile related to user information and content information accumulated while consuming the video content.

On the other hand, the video information content providing server according to the present invention for achieving the above object, Communication unit for receiving a video information content request from the user terminal, or transmits a list of video information content to the user terminal; A preference analyzer for analyzing the image information content request according to user preferences based on metadata; A keyword analyzer for analyzing the video information content request according to a keyword based on metadata; A video information content request unit for loading a video information content or a video information content list corresponding to the video information content request from a video information content database; And a controller configured to analyze the video information content request and to provide a corresponding video information content or a list of video information contents to the user terminal.

Then, corresponding video information contents are connected to each of the video information contents lists, and when an arbitrary list is selected, the controller controls the video information contents corresponding to the selected list to be downloaded to the user terminal.

According to the present invention, it is possible to provide a customized image information service based on a user's preference, instead of the existing uniform image information service.

Also, categories and preferences are classified according to the consumption pattern of the user in the type of the image contents, and the image contents are searched based on information extracted from important contents, semantic information, and feature information from the user contents, and user preferences. The video content can be easily searched quickly.

Details of the object and technical configuration of the present invention and the resulting effects thereof will be more clearly understood by the following detailed description based on the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram schematically showing the configuration of a video information service system based on user preferences according to an embodiment of the present invention.

The video information service system according to the present invention includes a user terminal 110, a communication network 120, a video information production server 130, a video content database 132, a video content providing server 140, and a video information database server ( 150).

The user terminal 110 requests a search request from the user as image information content based on the preference. Here, the user terminal 110 may be a mobile communication terminal or a PDA when the communication network 120 is a mobile communication network, and a wired telephone or a computer displaying image data when the communication network 120 is a wired communication network. Terminal or the like.

The communication network 120 may be a mobile communication network or a wired communication network, and in the case of a mobile communication network, code division multiple access (CDMA), wideband code division multiple access (WCDMA), High speed data packet access (HSDPA), Wibro (Wibro), etc. may be implemented in a network. Although not shown, the mobile communication network includes a base station transmitter (BTS), a base station controller (BSC), and a mobile communication switching center (MSC).

The image information production server 130 extracts specific information from the image content, generates metadata, and packages the generated metadata and the image content into one file format. Here, the specific information includes information on the content, meaning, and characteristics of the image content.

The image content database 132 stores a plurality of image contents.

The image content providing server 140 analyzes the request for the image information content from the user terminal 110 and loads a list of the image contents corresponding to the metadata according to the analyzed user preferences from the image information database 150. Provided to the terminal 110. The user preference may be determined by analyzing image information content consumption propensity, age, gender, and the like of the user. For example, video news information may be divided into various categories such as social, economic, political, cultural, entertainment, and sports, and may provide hot news of a specific category according to a user's consumption pattern. It can be provided according to the region.

The image information database 150 stores one file in which metadata and image content are packaged in one format. Also, the image information database 150 stores connection information in which metadata and image content are connected to each other.

2 is a configuration diagram schematically showing an internal configuration of a user terminal according to the present invention.

Referring to FIG. 2, the user terminal 110 according to the present invention includes a communication unit 210, an input unit 220, a user profile update unit 230, a user preference manager 240, a search keyword formatter 250, and a meta. The data parser 260, the user preference formatter 270, the user preference updater 280, the controller 290, and the display 292 are included.

The communication unit 210 transmits a video information content list request to the video content providing server 140 or receives a video content or video information content list from the video content providing server 140.

The input unit 220 receives a search keyword from a user or receives a request for a list of image information contents from the user.

The user profile updater 230 updates a user profile regarding user information consuming image content.

The user preference manager 240 manages the user preference determined using the accumulated content information while the user consumes the image content.

The search keyword formatter 250 converts the search keyword input through the inputter 210 into metadata or a specific protocol according to content, meaning, and characteristics.

The metadata parser 260 parses a list of image information contents based on metadata or a specific protocol.

The user preference format unit 270 converts the image information content list request requested from the user into metadata or a specific protocol according to user preference.

The user preference updating unit 280 updates the user preference determined using the accumulated content information while the user consumes the image content.

The controller 290 controls the video content linked to the video information content list selected by the user from the video information content list to be downloaded. In addition, the controller 290 controls to download the image content corresponding to the search result selected by the user among the search results for the search keyword.

The display unit 292 displays the received image information content list.

Although not shown in FIG. 2, the apparatus further includes a video information content request unit for transmitting a search keyword or video information content list request converted into metadata or a specific protocol form to the video content providing server 140. In addition, although not shown, the video content providing server 140 further includes a request content receiving unit for receiving a list of video information contents in the form of metadata.

3 is a configuration diagram schematically showing an internal configuration of a video information production server according to an embodiment of the present invention.

Referring to FIG. 3, the image information production server 130 may include a communication unit 310, an image input unit 320, an image information analysis unit 330, an image content database 340, an image information generation unit 350, and a controller ( 360 and an image information content format unit 370.

The communication unit 310 communicates with the user terminal 110 or the image content providing server 140 and is connected to the image information database 150 through the communication network 120.

The image input unit 320 may input image content from the outside, or input image content stored in the image content database 340.

The image information analyzer 330 analyzes image content input through the image input unit 320 according to contents, meanings, and characteristics.

The image content database 340 stores a plurality of image contents received from an external source or acquired according to a user's operation.

The image information generator 350 generates metadata based on the result analyzed by the image information analyzer 330.

The controller 360 generates metadata by analyzing the input image content and controls the generated metadata and the image content to be packaged in one file format.

The image information content format unit 370 packages the image content and the metadata into one file format. In addition, the image information content format unit 370 stores the metadata in one file format so as to be physically connected to the image information content and generates the integrated image information content file.

4 is a configuration diagram schematically showing the internal configuration of a video content providing server according to an embodiment of the present invention.

Referring to FIG. 4, the image content providing server 140 according to the present invention includes a communication unit 410, a preference analyzer 420, a keyword analyzer 430, an image information content requester 440, and a controller 450. It includes.

The communication unit 410 receives a video information content request from the user terminal 110 or transmits a video information content list to the user terminal 110.

The preference analyzer 420 analyzes the image information content request according to the user's preference based on metadata.

The keyword analyzer 430 analyzes the image information content request according to the keyword based on the metadata.

The image information content request unit 440 loads the image information content or the image information content list corresponding to the image information content request from the image information database 150.

The controller 450 analyzes the video information content request and controls the corresponding video information content or the video information content list to be provided to the user terminal 110.

5 is a flowchart illustrating a video information service method based on user preferences according to an exemplary embodiment of the present invention.

Referring to FIG. 5, the video information production server 130 stores a single type of video content such as news and general information in the video content DB 132 to search and index the video information content. In operation 330, the specific information, that is, content, meaning, and characteristic thereof are analyzed, and based on this, the image information generator 350 generates metadata (S502).

Subsequently, the video information production server 130 stores the metadata in one file format so that the metadata may be physically connected to the video content through the video information content format unit 370, thereby storing the single video content and the metadata in one file format. Packaged as (S504). In this case, what is packaged and generated as a single file is called an integrated image information content file.

In the image information production server 130, the control unit 360 transmits the generated integrated image information content file to the image information DB 150 through the communication network 120 and stores it in the image information DB 150 (S506).

In addition, the image information production server 130 may transmit and store the connection information connecting the metadata and the image content to each other in the form of a link to the image information DB 150.

On the other hand, the request for the video information content from the user, the service provider provides a list to the user at random, or delivers the user preferences in response to the search request from the user terminal 110 to the video content providing server 140 by the video content providing server 140 may provide the user terminal 110 with a list that matches the user preferences.

In this case, the user preference may be determined by using existing user count information accumulated while consuming content by the user profile of the user profile updater 230 and the user preference updater 280, or information about the number of searches performed by receiving a search term. have. In addition, the determined user preference is recorded in the user preference manager 240.

In addition, the user preference may be a numerical form of a keyword including a genre, a detailed genre, a subject, and a person, or may include preference information determined based on image content consumed by a user. For example, the user preference may be quantified by news 70%, drama 90%, sports 80%, or the like, or may indicate preference information by the number of times of use of image content used by the user.

The user terminal 110 receives a search request for image content from the user. In this case, the search request may receive a video information content list request or a specific keyword from the user through the input unit 220.

In the user terminal 110, the control unit 290 converts the search request for the image information content into a user preference form through the user preference format unit 270 and converts it into metadata or a specific protocol form through the image information content request unit. The video content providing server 140 transmits (S508). At this time, the metadata may include MPEG-7, MPEG-21, TV-Anytime type content.

That is, the user terminal 110 converts the search terms or the search classification requested by the user by selecting a search category or inputting a search term into a user preference form and converting it into metadata of a content form or a specific protocol form to provide a video content providing server. Transmit to 140.

The image content providing server 140 analyzes user preference information through the preference analyzer 420 on the image content search request data received from the user terminal 110 (S510).

That is, the image content providing server 140 compares the image content search request data with the user preferences, determines whether the search request has a certain degree, and selects metadata corresponding to the identified user preferences.

Subsequently, the image content providing server 140 requests the image information database 150 or the image content list corresponding to the metadata, based on the analyzed user preferences (S512).

The image information database 150 loads image contents or a list of image contents corresponding to metadata corresponding to user preferences (S514).

The video information database 150 transmits the loaded video content or the video content list to the video content providing server 140 (S516).

The video content providing server 140 transmits the video content or the video content list received from the video information database 150 to the user terminal 110 (S518).

In addition, the image content providing server 140 may generate and provide a category based on user preference according to the information search request.

The user terminal 110 which has received the list of image information contents through the request content receiving unit displays the result value on the display unit 292 through the metadata parsing unit 260 (S520).

When the user terminal 110 selects an arbitrary list or category through the input unit 220 while displaying the list of the image information contents, the user terminal 110 displays the image information contents linked to the corresponding list information or the category information. 140).

On the other hand, when the user searches for a specific keyword other than the video content list, the input keyword or range value is transmitted to the search keyword format unit 250 and transmitted to the video content providing server 140 through the video information content request unit. .

The image content providing server 140 transmits the keyword value analyzed through the keyword analyzing unit 430 to the image information database 150 through the image information content requesting unit 440 in the search request according to the specific keyword, and the image information. A new list of image contents or specific image information contents corresponding to a given keyword is received from the database 150 and transmitted to the user terminal 110.

Therefore, through this process, video services that are currently provided without any classification can be automatically classified and provided in a form suitable for the user. Editing and distribution of content in various terminal environments can be done freely.

As described above, according to the present invention, the important content, semantic information, and feature information are extracted from the video content, generated as metadata, the metadata and the video content are packaged into a single file, and the user according to the genre and characteristics of the video content. By predicting the preferences and automatically classifying the image contents based on the preferences, it is possible to realize the image information service method and system based on the user preferences so that the user can easily search for the desired image contents.

As those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features, the embodiments described above should be understood as illustrative and not restrictive in all aspects. Should be. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

The present invention can be applied to a mobile communication system for retrieving additional video content such as news video provided through a video call according to user preference.

In addition, the present invention may be applied to an image service system that extracts specific information of an image and packages it with image content.

1 is a configuration diagram schematically showing the configuration of a video information service system based on user preferences according to an embodiment of the present invention;

2 is a configuration diagram schematically showing an internal configuration of a user terminal according to the present invention;

3 is a schematic view showing the internal configuration of a video information production server according to an embodiment of the present invention;

4 is a configuration diagram schematically showing an internal configuration of a video content providing server according to an embodiment of the present invention; and

5 is a flowchart illustrating a video information service method based on user preferences according to an exemplary embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

110: user terminal 120: communication network

130: video information production server 140: video content providing server

150: image information DB 210: communication unit

220: input unit 230: user profile update unit

240: user preference management unit 250: search keyword format unit

260: metadata parsing unit 270: user preference format unit

280: User preference update unit 290: Control unit

292: display unit 310: communication unit

320: image input unit 330: image information analyzer

340: Image content DB 350: Image information update unit

360: control unit 370: image information content format unit

410: communication unit 420: preference analysis unit

430: keyword analysis unit 440: video content DB

450: control unit

Claims (18)

(a) packaging or storing image content and metadata associated with the image content; (b) receiving a request for searching according to input of a specific keyword from a user; (c) retrieving the metadata corresponding to the specific keyword; And (d) providing information of the video content corresponding to the retrieved metadata; Image information service method comprising a. The method of claim 1, In the step (a), wherein the specific information comprises one of the information on the content, meaning, characteristics of the video content. The method of claim 1, In the step (d), the video information service method comprising providing information of the video content classified according to user preferences according to the input of the specific keyword as a list. The method of claim 3, wherein The user preference is a video information service method, characterized in that the form including a keyword including a genre, a detailed genre, a subject, and a person, or including preference information determined based on image content consumed by a user. The method of claim 3, wherein The user preference is determined by using a user profile related to user information and content information accumulated while consuming the video content. The method of claim 1, In the step (a), the specific information is extracted from the video content to generate the metadata, and the generated metadata and the video content are packaged into a single file or connected to each other and stored. Service method. The method of claim 1, And the metadata is metadata including MPEG-7, MPEG-21, and TV-Anytime. (a) packaging or storing image content and metadata associated with the image content; (b) receiving a request for information retrieval of the image content from a user; (c) generating and displaying a category based on user preferences according to the information retrieval request; (d) selecting an arbitrary category from the user among the displayed categories; And (e) searching for the metadata corresponding to the selected category and providing the image content corresponding to the found metadata; Image information service method comprising a. The method of claim 8, In the step (a), wherein the specific information comprises one of the information on the content, meaning, characteristics of the video content. The method of claim 8, In the step (b), the image information service method, characterized in that the request for the information of the image content from the user terminal in the form of metadata or a specific protocol. The method of claim 8, In the step (c), the category based on the user preferences is displayed as a list in the form of metadata. The method of claim 8, The user preference is determined by using a user profile related to user information and information on the number of times of use of content accumulated while consuming the video content. The method of claim 8, The step (d), the image information service method, characterized in that the request for the image content linked to the category selected by the user from the list of the displayed category. A video information production server for extracting specific information from video content to generate metadata, and packaging the generated metadata and the video content into one file; An image information database for storing one packaged file; A user terminal for requesting a search request from a user as image information content based on a preference; And An image information providing server analyzing the request of the image information contents and loading the list of image contents corresponding to the metadata according to the analyzed preferences from the image information database and providing the list to the user terminal; Image information service system comprising a. The method of claim 14, The video information service system, characterized in that the video content is linked to each list of the video content. The method of claim 14, And the preference is determined by using a user profile related to user information and content information accumulated while consuming the video content. A communication unit configured to receive a video information content request from a user terminal or to transmit a video information content list to the user terminal; A preference analyzer for analyzing the image information content request according to user preferences based on metadata; A keyword analyzer for analyzing the video information content request according to a keyword based on metadata; A video information content request unit for loading a video information content or a video information content list corresponding to the video information content request from a video information content database; And A controller configured to analyze the video information content request and provide a corresponding video information content or a list of video information contents to the user terminal; Image information content providing server comprising a. The method of claim 17, The video information contents are connected to each of the video information contents lists, and when selecting any list, the controller controls the video information contents corresponding to the selected list to be downloaded to the user terminal. Providing server.

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