CA2320510C - Method of generating user profile based on user preference and multimedia data browsing system using the same - Google Patents
Method of generating user profile based on user preference and multimedia data browsing system using the same Download PDFInfo
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- CA2320510C CA2320510C CA002320510A CA2320510A CA2320510C CA 2320510 C CA2320510 C CA 2320510C CA 002320510 A CA002320510 A CA 002320510A CA 2320510 A CA2320510 A CA 2320510A CA 2320510 C CA2320510 C CA 2320510C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- H04N21/4508—Management of client data or end-user data
- H04N21/4532—Management of client data or end-user data involving end-user characteristics, e.g. viewer profile, preferences
-
- 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
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
-
- 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
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8453—Structuring of content, e.g. decomposing content into time segments by locking or enabling a set of features, e.g. optional functionalities in an executable program
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- User Interface Of Digital Computer (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The present invention relates to a method for generating a user profile for indexing/browsing of multimedia data and a multimedia browsing method using the same. The multimedia data browsing method involves (a) constructing a user profile by incorporating a user-preferred application description scheme indicating a user-preferred multimedia browsing method or browsing criterion, wherein the browsing method or browsing criterion is described in different way according to a type of the multimedia data in terms of genre; (b) analyzing the user-preferred application description scheme and selecting a relevant application for implementing user-preferred browsing; and (c) browsing corresponding multimedia data using the selected preferred application.
Description
., ~ . . _ ._ _ . ... . . , . ~.>.~. _ METHOD OF GENERATING USER PROFILE BASED ON USER
PREFERENCE AND MULTIMEDIA DATA BROWSING SYSTEM USING
THE SAME
BACKGROUND OF THE INVENTION
1. Field of the Invention The present invention relates to a method of generating a uiser profile for browsing multimedia data and a multimedia browsing method using the same, and more particularly, to a content-based multimedia data inciexing and browsing system in which a user-preferred browsing method is described in the user profile, and multimedia browsing based on user preference is provided using user-preferred browsing information contained ini the user profile.
PREFERENCE AND MULTIMEDIA DATA BROWSING SYSTEM USING
THE SAME
BACKGROUND OF THE INVENTION
1. Field of the Invention The present invention relates to a method of generating a uiser profile for browsing multimedia data and a multimedia browsing method using the same, and more particularly, to a content-based multimedia data inciexing and browsing system in which a user-preferred browsing method is described in the user profile, and multimedia browsing based on user preference is provided using user-preferred browsing information contained ini the user profile.
2. Description of the Background Art In multimedia data indexing and browsing in the conventional art, there have been introduced techniques for variously displaying multirriedia data based on user preference.
In internet shopping by using of a multimedia data indexing and browsing system based on user preference, there is a method of selecting only preferred items stored in an user profile by each user and displaying each product in a different way, not displaying all information items used in the internet shopping.
For example, where one user mainly uses price and specification information, another user mainly uses design information, and another user mainly uses product information of a certain particular company iri checking electronic products during internet shopping, each user is given the above preferred information as its own user profile. For the user that mainly uses price and specification in this preferred information, merely the information containing only price and specification is displayed to the user although other information such as photographs may be provided. For the user who prefers design information, design (photograph) information is mainly displayed. In this way, the information appropriate for the preference of each user is displayed.
In addition, there are techniques for providing a terminall desk-top interface such as a computer to an user in a user-desired form in a multimedia indexing and browsing system based on user preference in the conventional art.
The terminal desktop interface that the corresponding user prefers (or designates) may be recorded in its user profile, and then the form of the interface stored in the corresponding user profile is provided to the user.
There are also techniques for supporting help information in a form that users prefer, using recorded usage patterns of users, in another conventional art.
The above-mentioned techniques considering user preference (use pattern) in the conventional art all reflects partial user prefererice in the current restricted application.
Nowadays, the content description is described in the data for supporting the content-based multimedia indexing/browsing. Where various browsing method are possible, and there is information describing user preferences, a user can browse multimedia data in the preferred browsing method using a preferred browser.
In other words, among a variety of browsers for performing content-based multimedia data indexing and browsing, there may be browsers that are particularly preferred, or browsers that are preferred by the type of multimedia data sought by the user. However, since the maintenance and management of such data is not achieved, the user cannot enjoy his or her right to various selection, but also must be satisfied with parts of the browsers restrictively provided in a given environment.
In internet shopping by using of a multimedia data indexing and browsing system based on user preference, there is a method of selecting only preferred items stored in an user profile by each user and displaying each product in a different way, not displaying all information items used in the internet shopping.
For example, where one user mainly uses price and specification information, another user mainly uses design information, and another user mainly uses product information of a certain particular company iri checking electronic products during internet shopping, each user is given the above preferred information as its own user profile. For the user that mainly uses price and specification in this preferred information, merely the information containing only price and specification is displayed to the user although other information such as photographs may be provided. For the user who prefers design information, design (photograph) information is mainly displayed. In this way, the information appropriate for the preference of each user is displayed.
In addition, there are techniques for providing a terminall desk-top interface such as a computer to an user in a user-desired form in a multimedia indexing and browsing system based on user preference in the conventional art.
The terminal desktop interface that the corresponding user prefers (or designates) may be recorded in its user profile, and then the form of the interface stored in the corresponding user profile is provided to the user.
There are also techniques for supporting help information in a form that users prefer, using recorded usage patterns of users, in another conventional art.
The above-mentioned techniques considering user preference (use pattern) in the conventional art all reflects partial user prefererice in the current restricted application.
Nowadays, the content description is described in the data for supporting the content-based multimedia indexing/browsing. Where various browsing method are possible, and there is information describing user preferences, a user can browse multimedia data in the preferred browsing method using a preferred browser.
In other words, among a variety of browsers for performing content-based multimedia data indexing and browsing, there may be browsers that are particularly preferred, or browsers that are preferred by the type of multimedia data sought by the user. However, since the maintenance and management of such data is not achieved, the user cannot enjoy his or her right to various selection, but also must be satisfied with parts of the browsers restrictively provided in a given environment.
SUMMARY OF THE INVENTION
The present invention may provide a method for generating a user profile to provide for user-preferred multimedia data indexing and browsing, and a multimedia data browsing method using the same.
The present invention may also provide a multimedia browsirig method using a user profile in which a user-preferred browsing method is described for displaying multimedia data in a user-preferred form.
The present invention may also provide a multimedia browsirig method using a user profile in which a user-preferred browsing method is identified from a user profile, and an application or browser is designated according to user preferences if there are plurality of applications providing the corresponding browsing method, or an application satisfying the corresponding service is downloaded from a designated place and is provided to the user if there is no such application.
To achieve the above in content-based multimedia data browsing, there is provided a method for generating a user profile to provide user-preferred multimedia browsing, which incorporates information on a user-preferred application description scheme including information on a browser in the user profile, wherein the information on a browser includes a user-preferred browsing method or a user-preferred browsing criterion, which is described in different way according to a type of multimedia data in terms of a genre. The user-preferred application description scheme incorporated in the user profile may include an application ID, or a locator to find a relevant application and a reference to functionality indicating a user-preferred browsing method or browsing criterion.
In addition, the application description scheme incorporated in the above user profile may include a layout description scheme of an application, wherein the layout includes a weight for the layout and a reference to a browser for indicating reference to the browser.
In addition, the number of user-preferred application description schemes incorporated in the user profile may be plural, and each of the application description schemes may include a weight for describing user preference of the application.
In addition, the user-preferred application description schemes incorporated in the user profile may be different from one another according to a type or a genre of multimedia data, each of the application description schemes may be structured hierarchically, and each part of the application description scheme may have a weight for describing user preference.
In accordance with one aspect of the invention, there is provided a computer readable medium for storing data for access by a program being executed on a data processing system. The computer readable medium comprises a user-profile information data structure stored on the computer readable medium, the user profile information data structure including information resident in a database used by the program and including a data type component specifying different types of multimedia data and a browsing preference component specifying browsing preferences for respective different types of multimedia data. The browsing preference component comprises a browser data structure and a functionality data structure. The browser data structure identifies a plurality of different browsers and the functionality data structure describes different browsing methods. The browsing preference component includes references linking the browsers to corresponding browsing methods and the data type component includes references linking the browsing methods to corresponding browsers.
The browser data structure component may include a first weight data structure associating a first set of weights with respective browsers, the weights identifying relative priority of the browsers, for the user.
The browser data structure may include a locator data structure associating at least one location from which a browser specified by the browser data structure can be obtained.
The functionality data structure may include a second weight data structure associating a second set of weights with respective browsing methods, the second set of weights identifying relative priority of the browsing methods.
The present invention may provide a method for generating a user profile to provide for user-preferred multimedia data indexing and browsing, and a multimedia data browsing method using the same.
The present invention may also provide a multimedia browsirig method using a user profile in which a user-preferred browsing method is described for displaying multimedia data in a user-preferred form.
The present invention may also provide a multimedia browsirig method using a user profile in which a user-preferred browsing method is identified from a user profile, and an application or browser is designated according to user preferences if there are plurality of applications providing the corresponding browsing method, or an application satisfying the corresponding service is downloaded from a designated place and is provided to the user if there is no such application.
To achieve the above in content-based multimedia data browsing, there is provided a method for generating a user profile to provide user-preferred multimedia browsing, which incorporates information on a user-preferred application description scheme including information on a browser in the user profile, wherein the information on a browser includes a user-preferred browsing method or a user-preferred browsing criterion, which is described in different way according to a type of multimedia data in terms of a genre. The user-preferred application description scheme incorporated in the user profile may include an application ID, or a locator to find a relevant application and a reference to functionality indicating a user-preferred browsing method or browsing criterion.
In addition, the application description scheme incorporated in the above user profile may include a layout description scheme of an application, wherein the layout includes a weight for the layout and a reference to a browser for indicating reference to the browser.
In addition, the number of user-preferred application description schemes incorporated in the user profile may be plural, and each of the application description schemes may include a weight for describing user preference of the application.
In addition, the user-preferred application description schemes incorporated in the user profile may be different from one another according to a type or a genre of multimedia data, each of the application description schemes may be structured hierarchically, and each part of the application description scheme may have a weight for describing user preference.
In accordance with one aspect of the invention, there is provided a computer readable medium for storing data for access by a program being executed on a data processing system. The computer readable medium comprises a user-profile information data structure stored on the computer readable medium, the user profile information data structure including information resident in a database used by the program and including a data type component specifying different types of multimedia data and a browsing preference component specifying browsing preferences for respective different types of multimedia data. The browsing preference component comprises a browser data structure and a functionality data structure. The browser data structure identifies a plurality of different browsers and the functionality data structure describes different browsing methods. The browsing preference component includes references linking the browsers to corresponding browsing methods and the data type component includes references linking the browsing methods to corresponding browsers.
The browser data structure component may include a first weight data structure associating a first set of weights with respective browsers, the weights identifying relative priority of the browsers, for the user.
The browser data structure may include a locator data structure associating at least one location from which a browser specified by the browser data structure can be obtained.
The functionality data structure may include a second weight data structure associating a second set of weights with respective browsing methods, the second set of weights identifying relative priority of the browsing methods.
The functionality data structure may include a function data structure associating at least one function for selecting a browser specified by the browser data structure.
The browsing preference component may further include a layout data structure defining browser layouts.
The layout data structure may include references linking layouts with browsers specified by the browser data structure.
The layout data structure may include a third weight data structure associating a third set of weights with respective the layouts, the third set of weights identifying relative priority of the layouts.
The browser data structure may include references linking browsers to layouts specified by the layout data structure.
In accordance with another aspect of the invention, there is provided a method of displaying multimedia data of a particular genre. Thie method involves causing a multimedia data service system to access the computer readable medium recited above to identify a browser to be used to display multimedia data of the particular genre according to preferences of a user;
and causing multimedia of the particular genre to be displayed by the identified browser.
In accordance with another aspect of the invention, there is provided a method of displaying multimedia data of a particular genre. The method involves causing a multimedia data service system to access the computer readable medium recited above to identify a browser to be used to display multimedia data of the particular genre according to preferences of a user, accessing the memory to identify a location at which a browser may be obtained, obtaining a browser from the location and causing multimedia of the particular genre to be displayed by the browser obtained.
In accordance with another aspect of the invention, there is provided a method of creating a user profile information data structure. The method involves defining in a computer readable medium, a data structure comprising a data type component specifying different types of multimedia data and a browsing preference component specifying browsing preferences for respective the different types of multimedia data. The browsing preference component comprises a browser data structure and a functionality data structure, the browser data structure identifying a plurality of different browsers and the functionality data structure describing different browsing methods. The browsing preference component includes references linking the browsers to corresponding browsing methods and the data type component includes references linking the browsing methods to corresponding Ibrowsers.
The method may involve defining in the computer readable medium a first weight data structure associated with the browser data structure, the first weight data structure associating weights with respective browsers, the weights identifying relative priority of the browsers, for the user.
The method may further involve defining in the computer readable medium a locator data structure associated with the browser data structure, the locator data structure associating at least one location frorn which a browser specified by the browser data structure can be obtained.
The method may further involve defining in the computer readable medium a second weight data structure associated with the functionality data structure, the second weight data structure associating a second set of weights with respective the browsing methods, the second set of weights identifying relative priority of the browsing methods.
The method may further involve defining in the computer readable medium a function data structure associated with the functionality data structure, the function data structure associating at least one function for selecting a browser specified by the browser data structure.
The method may further involve defining in the computer readable medium a layout data structure associated with the browsing preference component, the layout data structure defining browser layouts.
The method may further involve defining in the computer readable medium references, in the layout data structure, linking layouts witti browsers specified by the browser data structure.
The method may further involve defining in the computer readable medium a third weight data structure associated with the layout data structure, the third weight data structure associating a third set of weights with respective the layouts, the third set of weights identifying relative priority of the layouts.
The method may further involve defining in the computer readable medium references associated with the browser data structure, the ireferences linking browsers to layouts specified by the layout data structure.
The method may further involve populating the user profile data structure with information associated with the user.
The method may further involve re-populating at least part of the user profile data structure with user information obtained by learning.
Additional advantages and features of the invention will become more apparent from the following description.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will become better understood with reference to the accompanying drawings, which are given only by way of illustration and thus are not limitative of the present invention, wherein:
Figure 1 is a schematic view illustrating the construction of a multimedia system according to one embodiment of the present invention;
Figure 2 is a view illustrating an example of a content description scheme structure of a multimedia object according to an embodirnent of the present invention;
Figure 3 is a view illustrating a user profile information data structure according to a first embodiment of the present invention;
Figure 4 is a view illustrating a user profile information data structure according to a second embodiment of the present invention;
Figure 5 is a view illustrating a user-preferred application description scheme in a user profile information data structure according to an embodiment of the present invention;
Figure 6 is a view illustrating an example of browsing based on user preference;
. . . . .... .. . . . ... _._.. i _..._.. . .. .. .. .. ...__.
The browsing preference component may further include a layout data structure defining browser layouts.
The layout data structure may include references linking layouts with browsers specified by the browser data structure.
The layout data structure may include a third weight data structure associating a third set of weights with respective the layouts, the third set of weights identifying relative priority of the layouts.
The browser data structure may include references linking browsers to layouts specified by the layout data structure.
In accordance with another aspect of the invention, there is provided a method of displaying multimedia data of a particular genre. Thie method involves causing a multimedia data service system to access the computer readable medium recited above to identify a browser to be used to display multimedia data of the particular genre according to preferences of a user;
and causing multimedia of the particular genre to be displayed by the identified browser.
In accordance with another aspect of the invention, there is provided a method of displaying multimedia data of a particular genre. The method involves causing a multimedia data service system to access the computer readable medium recited above to identify a browser to be used to display multimedia data of the particular genre according to preferences of a user, accessing the memory to identify a location at which a browser may be obtained, obtaining a browser from the location and causing multimedia of the particular genre to be displayed by the browser obtained.
In accordance with another aspect of the invention, there is provided a method of creating a user profile information data structure. The method involves defining in a computer readable medium, a data structure comprising a data type component specifying different types of multimedia data and a browsing preference component specifying browsing preferences for respective the different types of multimedia data. The browsing preference component comprises a browser data structure and a functionality data structure, the browser data structure identifying a plurality of different browsers and the functionality data structure describing different browsing methods. The browsing preference component includes references linking the browsers to corresponding browsing methods and the data type component includes references linking the browsing methods to corresponding Ibrowsers.
The method may involve defining in the computer readable medium a first weight data structure associated with the browser data structure, the first weight data structure associating weights with respective browsers, the weights identifying relative priority of the browsers, for the user.
The method may further involve defining in the computer readable medium a locator data structure associated with the browser data structure, the locator data structure associating at least one location frorn which a browser specified by the browser data structure can be obtained.
The method may further involve defining in the computer readable medium a second weight data structure associated with the functionality data structure, the second weight data structure associating a second set of weights with respective the browsing methods, the second set of weights identifying relative priority of the browsing methods.
The method may further involve defining in the computer readable medium a function data structure associated with the functionality data structure, the function data structure associating at least one function for selecting a browser specified by the browser data structure.
The method may further involve defining in the computer readable medium a layout data structure associated with the browsing preference component, the layout data structure defining browser layouts.
The method may further involve defining in the computer readable medium references, in the layout data structure, linking layouts witti browsers specified by the browser data structure.
The method may further involve defining in the computer readable medium a third weight data structure associated with the layout data structure, the third weight data structure associating a third set of weights with respective the layouts, the third set of weights identifying relative priority of the layouts.
The method may further involve defining in the computer readable medium references associated with the browser data structure, the ireferences linking browsers to layouts specified by the layout data structure.
The method may further involve populating the user profile data structure with information associated with the user.
The method may further involve re-populating at least part of the user profile data structure with user information obtained by learning.
Additional advantages and features of the invention will become more apparent from the following description.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will become better understood with reference to the accompanying drawings, which are given only by way of illustration and thus are not limitative of the present invention, wherein:
Figure 1 is a schematic view illustrating the construction of a multimedia system according to one embodiment of the present invention;
Figure 2 is a view illustrating an example of a content description scheme structure of a multimedia object according to an embodirnent of the present invention;
Figure 3 is a view illustrating a user profile information data structure according to a first embodiment of the present invention;
Figure 4 is a view illustrating a user profile information data structure according to a second embodiment of the present invention;
Figure 5 is a view illustrating a user-preferred application description scheme in a user profile information data structure according to an embodiment of the present invention;
Figure 6 is a view illustrating an example of browsing based on user preference;
. . . . .... .. . . . ... _._.. i _..._.. . .. .. .. .. ...__.
Figure 7 is a view illustrating another example of a user-preferred application description scheme in a user profile information data structure according to one embodiment of the present invention; and Figure 8 is a view illustrating another example of browsing based on user preference.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Figure 1 is a schematic view illustrating an example of the construction of a multimedia data service system according to one embodiment of the present invention.
A multimedia object 101 has a content description 101 a for content-based indexing/browsing and a data stream 101 b.
A terminal 102 includes a central processing unit 103 for performing content-based multimedia indexing and browsing control, a memory 104 for storing a variety of data, a display device 105 for displayinig various information relating to multimedia data indexing and browsing, a user profile reader 106 for reading user profile information, and a user profile 107.
Here, the user profile reader 106 can have the function of a writer for updating information recorded in the user profile 107 based on the feedback of a user.
In addition, the user profile 107 can be a movable medium capable of recording and storing information in the form of a smart card, for example.
In addition, a user-preferred browsing method or browsing criterion is described in the user profile 107, and such information can be updated by learning.
The information contained in the user profile 107 is read out from the user profile reader 106, and is downloaded to the memory 104.
The central processing unit 103 decodes the user profile information downloaded to the memory 104 to thus browse the multimedia object 101 using the corresponding display device 105 by the user-preferred browsing method or browsing criterion.
Figure 2 is a view illustrating an example of a content description scheme structure of a multimedia object for content-based indexincbrowsing according to an embodiment of the present invention.
The content description scheme structure has an aiudio/visual description scheme 201 including a syntactic Data Structure (DS) 202 and a semantic DS 203. The syntactic DS 202 includes a segment DS 2~04, region DS 205, and segment/region relational graph DS 206. The semantic DS 203 includes an event DS 207, object DS 208, and event/object relational graph DS 209.
The syntactic DS 202 describes a physical structure of actual multimedia data, and has segments and regions of the actual multirnedia data and information on the relation (link) between them, thus making it possible to index and browse a corresponding section or scene of the multimedia data.
The semantic DS 203 describes a semantic structure of multimedia data. In the case of multimedia data, for example, moving pictures such as drama, events, objects (characters, places, etc,), and the relation between events and characters or places are described, content-based inclexing and browsing of multimedia data is enabled.
The description scheme structure of the multimedia data for content-based multimedia data indexing and browsing is not limited to that as shown in Figure 2, and can be varied in various forms for the purpose of more effective browsing.
Figure 3 is a view illustrating a user profile information data structure for content-based multimedia data browsing according to the first ernbodiment of the present invention.
The user profile information data structure has a data browsiing DS 301 including data type DS 302 and a browsing preference DS 303. Siuch a data browsing DS structure can be given by the type or genre of each multimedia object.
The browsing preference DS 303 corresponds to the data type DS 302.
. . . .. ._ . ....... . . .... ...... ......... ....... I .. ....... .. . . ..
.. .. ........
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Figure 1 is a schematic view illustrating an example of the construction of a multimedia data service system according to one embodiment of the present invention.
A multimedia object 101 has a content description 101 a for content-based indexing/browsing and a data stream 101 b.
A terminal 102 includes a central processing unit 103 for performing content-based multimedia indexing and browsing control, a memory 104 for storing a variety of data, a display device 105 for displayinig various information relating to multimedia data indexing and browsing, a user profile reader 106 for reading user profile information, and a user profile 107.
Here, the user profile reader 106 can have the function of a writer for updating information recorded in the user profile 107 based on the feedback of a user.
In addition, the user profile 107 can be a movable medium capable of recording and storing information in the form of a smart card, for example.
In addition, a user-preferred browsing method or browsing criterion is described in the user profile 107, and such information can be updated by learning.
The information contained in the user profile 107 is read out from the user profile reader 106, and is downloaded to the memory 104.
The central processing unit 103 decodes the user profile information downloaded to the memory 104 to thus browse the multimedia object 101 using the corresponding display device 105 by the user-preferred browsing method or browsing criterion.
Figure 2 is a view illustrating an example of a content description scheme structure of a multimedia object for content-based indexincbrowsing according to an embodiment of the present invention.
The content description scheme structure has an aiudio/visual description scheme 201 including a syntactic Data Structure (DS) 202 and a semantic DS 203. The syntactic DS 202 includes a segment DS 2~04, region DS 205, and segment/region relational graph DS 206. The semantic DS 203 includes an event DS 207, object DS 208, and event/object relational graph DS 209.
The syntactic DS 202 describes a physical structure of actual multimedia data, and has segments and regions of the actual multirnedia data and information on the relation (link) between them, thus making it possible to index and browse a corresponding section or scene of the multimedia data.
The semantic DS 203 describes a semantic structure of multimedia data. In the case of multimedia data, for example, moving pictures such as drama, events, objects (characters, places, etc,), and the relation between events and characters or places are described, content-based inclexing and browsing of multimedia data is enabled.
The description scheme structure of the multimedia data for content-based multimedia data indexing and browsing is not limited to that as shown in Figure 2, and can be varied in various forms for the purpose of more effective browsing.
Figure 3 is a view illustrating a user profile information data structure for content-based multimedia data browsing according to the first ernbodiment of the present invention.
The user profile information data structure has a data browsiing DS 301 including data type DS 302 and a browsing preference DS 303. Siuch a data browsing DS structure can be given by the type or genre of each multimedia object.
The browsing preference DS 303 corresponds to the data type DS 302.
. . . .. ._ . ....... . . .... ...... ......... ....... I .. ....... .. . . ..
.. .. ........
The browsing preference DS 303 includes a browser DS 308, also referred to as an application DS satisfying user preference and a functionality DS 304 for describing a browsing method or browsing criterion.
The functionality DS 304 for describing a browsing method or browsing criterion has a reference to browser DS 305 for connecting a corresponding browser, a function DS 306 for selecting a browser, and a weight DS 307 for describing a corresponding weight value.
The application DS 308 has a weight DS 309, locator DS 310, and a reference to functionality DS 311 for reference to a description scheme for describing a browsing method or standard.
Therefore, by means of the user profile relating to such a user-preferred browsing method (or browsing criterion), it is possible to display certain particular multimedia data by the user-preferred browsing method or standard in a system such as described in Figures 1 and 2.
In other words, when a user displays multimedia data based on the user profile information, a corresponding application (browser) satisfying description schemes 304 through 307 for describing the user-preferred browsing method or standard for the corresponding data, or having been described in the application description schemes 308 through 311 is indexed in the terminal.
If the corresponding application exists in the terminal, multimedia data is displayed using the same, or if it does not exist in the terminal, the corresponding application is downloaded using the locator DS 310.
In addition, the number of applications (browsers) included in the application DS is one or more than one. If the number of applications is plural, a user-preferred application is employed using the weight DS 309 which is learned based on user preference (user feedback/user's usage pattern of a certain particular browser) for each application.
Figure 4 is a view illustrating a user profile information data structure for content-based multimedia browsing according to a second embodiment of the present invention, which is formed by further including a layout description scheme of a browser in addition to the structure as described in Figure 3. In this case, the user can describe a browser preference according to a certain particular type of multimedia data, but also can describe a layout preference DS of the corresponding browser.
As illustrated in Figure 4, the user profile information data structure has a data browsing DS 401 including a data type DS 402 and a browsing preference DS 403. Such a data browsing DS structure can be given by the type or genre of each multimedia data.
The browsing preference DS 403 corresponds to the data type DS 402.
The browsing preference DS 403 includes a browser DS 408 as an application DS satisfying user preference, a functionality DISS 404 for describing a browsing method or browsing criterion, and a layout DS 413 of the browser.
The functionality DS 404 for describing a browsing method or browsing criterion has a reference to browser DS 405 for reference to a corresponding browser, a function DS 406 for selecting a browser, and a weight DS 407 for describing a corresponding weight value.
The application DS 408 has a weight DS 409, locator DS 410, reference to functionality DS 411 for reference to a description scheme for describing a browsing method or standard, and reference to layout DS 412 for layout.
The layout DS 413 has a weight DS 414 for the layout and a, reference to browser DS 416 for reference to the browser.
Therefore, by means of the user profile relating to such a user-preferred browsing method (or browsing criterion), it is possible to display certain particular multimedia data by the user-preferred browsing method or standard in a system of Figures 1 and 2. In addition, the layout preference DS
of the corresponding browser can be described.
In other words, when a user displays multimedia data based on the user profile information, a corresponding application (browser) satisfying description schemes 404 through 407 for describing the user-preferred browsing method or standard for the corresponding object, or having been _ ._, _._.. . ...
The functionality DS 304 for describing a browsing method or browsing criterion has a reference to browser DS 305 for connecting a corresponding browser, a function DS 306 for selecting a browser, and a weight DS 307 for describing a corresponding weight value.
The application DS 308 has a weight DS 309, locator DS 310, and a reference to functionality DS 311 for reference to a description scheme for describing a browsing method or standard.
Therefore, by means of the user profile relating to such a user-preferred browsing method (or browsing criterion), it is possible to display certain particular multimedia data by the user-preferred browsing method or standard in a system such as described in Figures 1 and 2.
In other words, when a user displays multimedia data based on the user profile information, a corresponding application (browser) satisfying description schemes 304 through 307 for describing the user-preferred browsing method or standard for the corresponding data, or having been described in the application description schemes 308 through 311 is indexed in the terminal.
If the corresponding application exists in the terminal, multimedia data is displayed using the same, or if it does not exist in the terminal, the corresponding application is downloaded using the locator DS 310.
In addition, the number of applications (browsers) included in the application DS is one or more than one. If the number of applications is plural, a user-preferred application is employed using the weight DS 309 which is learned based on user preference (user feedback/user's usage pattern of a certain particular browser) for each application.
Figure 4 is a view illustrating a user profile information data structure for content-based multimedia browsing according to a second embodiment of the present invention, which is formed by further including a layout description scheme of a browser in addition to the structure as described in Figure 3. In this case, the user can describe a browser preference according to a certain particular type of multimedia data, but also can describe a layout preference DS of the corresponding browser.
As illustrated in Figure 4, the user profile information data structure has a data browsing DS 401 including a data type DS 402 and a browsing preference DS 403. Such a data browsing DS structure can be given by the type or genre of each multimedia data.
The browsing preference DS 403 corresponds to the data type DS 402.
The browsing preference DS 403 includes a browser DS 408 as an application DS satisfying user preference, a functionality DISS 404 for describing a browsing method or browsing criterion, and a layout DS 413 of the browser.
The functionality DS 404 for describing a browsing method or browsing criterion has a reference to browser DS 405 for reference to a corresponding browser, a function DS 406 for selecting a browser, and a weight DS 407 for describing a corresponding weight value.
The application DS 408 has a weight DS 409, locator DS 410, reference to functionality DS 411 for reference to a description scheme for describing a browsing method or standard, and reference to layout DS 412 for layout.
The layout DS 413 has a weight DS 414 for the layout and a, reference to browser DS 416 for reference to the browser.
Therefore, by means of the user profile relating to such a user-preferred browsing method (or browsing criterion), it is possible to display certain particular multimedia data by the user-preferred browsing method or standard in a system of Figures 1 and 2. In addition, the layout preference DS
of the corresponding browser can be described.
In other words, when a user displays multimedia data based on the user profile information, a corresponding application (browser) satisfying description schemes 404 through 407 for describing the user-preferred browsing method or standard for the corresponding object, or having been _ ._, _._.. . ...
described in the application description schemes 408 through 411 is indexed in the terminal.
At this time, a user-preferred layout of the browser is displayed using the layout DS 413 through 416 and the reference to layout DS 412 in the browser DS.
If the corresponding application exists in the terminal, multinnedia data is displayed using the same, or if it does not exist in the terminal, the corresponding application is downloaded using the locator DS 410.
In addition, the number of applications (browsers) includled in the application DS is one or more than one. If the number of applications is plural, a user-preferred application is employed using the weight DS 409, which is learned based on user preference for each application.
Figure 5 is a view illustrating a description scheme of a browsing method or criterion in a user profile information data structure as shown in Figure 3 or Figure 4 according to a first embodiment of the present iinvention.
The structure of Figure 5 is a function description scheme structure for indexing and displaying corresponding multimedia data based on character/relation, and includes a basic key item 501 and an order of key item 502.
The basic key item 501 describes browsing on the basis of character and relation 503 and 504. Figure 6 illustrates an example of browsing according to such a scheme structure.
As shown in a video browser (user interface) of Figure 6, a. character screen unit 602 of a character relational screen unit 601 displays characters, and a character-relation screen unit 603 displays character-relations satisfying a relation which is selected here.
In addition, a main scene screen unit 604 displays main scenes satisfying the corresponding relation in key frames 604a. Here, it is shown that a main screen unit 605 displays a selected particular scene in more detail.
At this time, a user-preferred layout of the browser is displayed using the layout DS 413 through 416 and the reference to layout DS 412 in the browser DS.
If the corresponding application exists in the terminal, multinnedia data is displayed using the same, or if it does not exist in the terminal, the corresponding application is downloaded using the locator DS 410.
In addition, the number of applications (browsers) includled in the application DS is one or more than one. If the number of applications is plural, a user-preferred application is employed using the weight DS 409, which is learned based on user preference for each application.
Figure 5 is a view illustrating a description scheme of a browsing method or criterion in a user profile information data structure as shown in Figure 3 or Figure 4 according to a first embodiment of the present iinvention.
The structure of Figure 5 is a function description scheme structure for indexing and displaying corresponding multimedia data based on character/relation, and includes a basic key item 501 and an order of key item 502.
The basic key item 501 describes browsing on the basis of character and relation 503 and 504. Figure 6 illustrates an example of browsing according to such a scheme structure.
As shown in a video browser (user interface) of Figure 6, a. character screen unit 602 of a character relational screen unit 601 displays characters, and a character-relation screen unit 603 displays character-relations satisfying a relation which is selected here.
In addition, a main scene screen unit 604 displays main scenes satisfying the corresponding relation in key frames 604a. Here, it is shown that a main screen unit 605 displays a selected particular scene in more detail.
Figure 7 is a view illustrating a description scheme of a browsing method or criterion in a user profile as shown in Figure 3 or Figure 4 according to a second embodiment of the present invention.
The structure of Figure 7 is a function description scheme structure for displaying corresponding multimedia data using a 3-level tree in time sequential key frames, and includes a basic key item 701 and an order of key item 702.
The basic key item describes browsing on the basis of key frames, and the order of key item 702 describes time sequential browsing, and describes that the basic key item has a hierarchical structure (depth of key item, level 1=3...).
Figure 8 is a view illustrating an example of an interface of a browser using the function description scheme structure of Figure 7.
As shown in a video browser (user interface) of Figure 8, a key frame unit 801 displays multimedia contents in key frames in a time sequence, and a main screen unit 802 displays a selected key frame.
According to the user profile information data structure anci browsing method of the present invention, while implementing content-based moving picture indexing and browsing, a user-preferred browsing method (application) can be used to display multimedia data.
Therefore, the user-preferred browser (application) can dlisplay the corresponding multimedia data selected by the user.
In addition, in the present invention, since the corresponding multimedia data is indexed and browsed by a browser, which i:s close or identical to the user-preferred browsing method (application), a user-friendly and user-adaptive indexing and browsing environment can be provided when multimedia data is indexed and browsed based on contents.
As the present invention may be embodied in several forrns without departing from the spirit or essential characteristics thereof, it shouid also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be construed broadly within its spirit and scope as defiried in the . ....._. .__... ....__ . . . . . . __:..... . .._.. ~..,. .__..._... .. . . .
. . . .......
The structure of Figure 7 is a function description scheme structure for displaying corresponding multimedia data using a 3-level tree in time sequential key frames, and includes a basic key item 701 and an order of key item 702.
The basic key item describes browsing on the basis of key frames, and the order of key item 702 describes time sequential browsing, and describes that the basic key item has a hierarchical structure (depth of key item, level 1=3...).
Figure 8 is a view illustrating an example of an interface of a browser using the function description scheme structure of Figure 7.
As shown in a video browser (user interface) of Figure 8, a key frame unit 801 displays multimedia contents in key frames in a time sequence, and a main screen unit 802 displays a selected key frame.
According to the user profile information data structure anci browsing method of the present invention, while implementing content-based moving picture indexing and browsing, a user-preferred browsing method (application) can be used to display multimedia data.
Therefore, the user-preferred browser (application) can dlisplay the corresponding multimedia data selected by the user.
In addition, in the present invention, since the corresponding multimedia data is indexed and browsed by a browser, which i:s close or identical to the user-preferred browsing method (application), a user-friendly and user-adaptive indexing and browsing environment can be provided when multimedia data is indexed and browsed based on contents.
As the present invention may be embodied in several forrns without departing from the spirit or essential characteristics thereof, it shouid also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be construed broadly within its spirit and scope as defiried in the . ....._. .__... ....__ . . . . . . __:..... . .._.. ~..,. .__..._... .. . . .
. . . .......
appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalence of such rneets and bounds are therefore intended to be embraced by the appended claims.
Claims (24)
1. A computer readable medium for storing data for access by a program being executed on a data processing system, comprising:
a user-profile information data structure stored on said computer readable medium, said user profile information data structure including information resident in a database used by said program and including:
a data type component specifying different types of multimedia data; and a browsing preference component specifying browsing preferences for respective said different types of multimedia data;
said browsing preference component comprising a browser data structure and a functionality data structure, said browser data structure identifying a plurality of different browsers and said functionality data structure describing different browsing methods;
said browsing preference component including references linking said browsers to corresponding browsing methods and said data type component including references linking said browsing methods to corresponding said browsers.
a user-profile information data structure stored on said computer readable medium, said user profile information data structure including information resident in a database used by said program and including:
a data type component specifying different types of multimedia data; and a browsing preference component specifying browsing preferences for respective said different types of multimedia data;
said browsing preference component comprising a browser data structure and a functionality data structure, said browser data structure identifying a plurality of different browsers and said functionality data structure describing different browsing methods;
said browsing preference component including references linking said browsers to corresponding browsing methods and said data type component including references linking said browsing methods to corresponding said browsers.
2. The computer readable medium of claim 1 wherein said browser data structure component comprises a first weight data structure associating a first set of weights with respective said browsers, said weights identifying relative priority of said browsers, for said user.
3. The computer readable medium of any one of claims 1 or 2 wherein said browser data structure comprises a locator data structure associating at least one location from which a browser specified by said browser data structure can be obtained.
4. The computer readable medium of any one of claims 1 to 3 wherein said functionality data structure comprises a second weight data structure associating a second set of weights with respective said browsing methods, said second set of weights identifying relative priority of said browsing methods.
5. The computer readable medium of any one of claims 1 to 4 wherein said functionality data structure comprises a function data structure associating at least one function for selecting a browser specified by said browser data structure.
6. The computer readable medium of any one of claims 1 to 5 wherein said browsing preference component further includes a layout data structure defining browser layouts.
7. The computer readable medium of claim 6 wherein said layout data structure includes references linking layouts with browsers specified by said browser data structure.
8. The computer readable medium of claim 7 wherein said layout data structure comprises a third weight data structure associating a third set of weights with respective said layouts, said third set of weights identifying relative priority of said layouts.
9. The computer readable medium of claim 8 wherein said browser data structure comprises references linking browsers to layouts specified by said layout data structure.
10. A method of displaying multimedia data of a particular genre, the method comprising:
causing a multimedia data service system to access the computer readable medium recited in any one of claims 1 to 9 to identify a browser to be used to display multimedia data of said particular genre according to preferences of a user; and causing multimedia of said particular genre to be displayed by the identified browser.
causing a multimedia data service system to access the computer readable medium recited in any one of claims 1 to 9 to identify a browser to be used to display multimedia data of said particular genre according to preferences of a user; and causing multimedia of said particular genre to be displayed by the identified browser.
11. A method of displaying multimedia data of a particular genre, the method comprising:
causing a multimedia data service system to access the computer readable medium recited in claim 3 to identify a browser to be used to display multimedia data of said particular genre according to preferences of a user;
accessing said memory to identify a location at which a browser may be obtained;
obtaining a browser from said location; and causing multimedia of said particular genre to be displayed by the browser obtained.
causing a multimedia data service system to access the computer readable medium recited in claim 3 to identify a browser to be used to display multimedia data of said particular genre according to preferences of a user;
accessing said memory to identify a location at which a browser may be obtained;
obtaining a browser from said location; and causing multimedia of said particular genre to be displayed by the browser obtained.
12. A method of creating a user profile information data structure, the method comprising:
defining in a computer readable medium, a data structure comprising:
a data type component specifying different types of multimedia data; and a browsing preference component specifying browsing preferences for respective said different types of multimedia data;
said browsing preference component comprising a browser data structure and a functionality data structure, said browser data structure identifying a plurality of different browsers and said functionality data structure describing different browsing methods;
said browsing preference component including references linking said browsers to corresponding browsing methods and said data type component including references linking said browsing methods to corresponding said browsers.
defining in a computer readable medium, a data structure comprising:
a data type component specifying different types of multimedia data; and a browsing preference component specifying browsing preferences for respective said different types of multimedia data;
said browsing preference component comprising a browser data structure and a functionality data structure, said browser data structure identifying a plurality of different browsers and said functionality data structure describing different browsing methods;
said browsing preference component including references linking said browsers to corresponding browsing methods and said data type component including references linking said browsing methods to corresponding said browsers.
13. The method of claim 12 further comprising defining in said computer readable medium a first weight data structure associated with said browser data structure, said first weight data structure associating weights with respective said browsers, said weights identifying relative priority of said browsers, for said user.
14. The method of any one of claims 12 to 13 further comprising defining in said computer readable medium a locator data structure associated with said browser data structure, said locator data structure associating at least one location from which a browser specified by said browser data structure can be obtained.
15. The method of any one of claims 12 to 14 further comprising defining in said computer readable medium a second weight data structure associated with said functionality data structure, said second weight data structure associating a second set of weights with respective said browsing methods, said second set of weights identifying relative priority of said browsing methods.
16. The method of any one of claims 12 to 15 further comprising defining in said computer readable medium a function data structure associated with said functionality data structure, said function data structure associating at least one function for selecting a browser specified by said browser data structure.
17. The method of any one of claims 12 to 16 further comprising defining in said computer readable medium a layout data structure associated with said browsing preference component, said layout data structure defining browser layouts.
18. The method of any one of claims 12 to 17 further comprising defining in said computer readable medium references, in said layout data structure, linking layouts with browsers specified by said browser data structure.
19. The method of claim 18 further comprising defining in said computer readable medium a third weight data structure associated with said layout data structure, said third weight data structure associating a third set of weights with respective said layouts, said third set of weights identifying relative priority of said layouts.
20. The method of claim 19 further comprising defining in said computer readable medium references associated with said browser data structure, said references linking browsers to layouts specified by said layout data structure.
21. The method of any one of claims 12 to 20 further comprising populating said user profile data structure with information associated with said user.
22. The method of claim 21 further comprising re-populating at least part of said user profile data structure with user information obtained by learning.
23. A method for generating a user profile to provide for user-preferred browsing in a content-based multimedia data browsing system, the method comprising:
incorporating information on a user-preferred application description scheme including information on a browser in the user profile;
wherein the information on a browser includes a user-preferred browsing method or browsing criterion, which is described in different way according to a type of multimedia data in terms of genre; and wherein information on the user-preferred application description scheme incorporated in the user profile includes an application ID, a locator to find a relevant application and a reference to functionality indicating a user preferred browsing method or browsing criterion.
incorporating information on a user-preferred application description scheme including information on a browser in the user profile;
wherein the information on a browser includes a user-preferred browsing method or browsing criterion, which is described in different way according to a type of multimedia data in terms of genre; and wherein information on the user-preferred application description scheme incorporated in the user profile includes an application ID, a locator to find a relevant application and a reference to functionality indicating a user preferred browsing method or browsing criterion.
24. The method of claim 23, wherein the application description scheme incorporated in the user profile further comprises a layout description scheme of applications, wherein the layout includes a weight for the layout and a reference to a browser for indicating reference to the browser.
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1999
- 1999-09-22 KR KR1019990041137A patent/KR100350792B1/en active IP Right Grant
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2000
- 2000-09-21 US US09/667,072 patent/US7318104B1/en not_active Expired - Fee Related
- 2000-09-22 EP EP04030627A patent/EP1538840A3/en not_active Ceased
- 2000-09-22 CN CNB001283979A patent/CN1237466C/en not_active Expired - Fee Related
- 2000-09-22 JP JP2000289131A patent/JP4043180B2/en not_active Expired - Fee Related
- 2000-09-22 CN CNB2004101003639A patent/CN100392648C/en not_active Expired - Fee Related
- 2000-09-22 CA CA002320510A patent/CA2320510C/en not_active Expired - Fee Related
- 2000-09-22 EP EP00402639A patent/EP1091586A3/en not_active Ceased
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2004
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2005
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1237466C (en) | 2006-01-18 |
| US7403968B2 (en) | 2008-07-22 |
| US7318104B1 (en) | 2008-01-08 |
| EP1538840A2 (en) | 2005-06-08 |
| JP2001160069A (en) | 2001-06-12 |
| EP1091586A2 (en) | 2001-04-11 |
| JP4043180B2 (en) | 2008-02-06 |
| EP1091586A3 (en) | 2002-01-02 |
| CN100392648C (en) | 2008-06-04 |
| JP2005063462A (en) | 2005-03-10 |
| KR20010028738A (en) | 2001-04-06 |
| JP4024791B2 (en) | 2007-12-19 |
| EP1538840A3 (en) | 2007-10-03 |
| CN1627298A (en) | 2005-06-15 |
| KR100350792B1 (en) | 2002-09-09 |
| CN1291751A (en) | 2001-04-18 |
| US20050165811A1 (en) | 2005-07-28 |
| CA2320510A1 (en) | 2001-03-22 |
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