EP1332619A2 - Procede et dispositif adaptatifs destines a personnaliser automatiquement un contenu de programme ameliore selon des preferences utilisateur - Google Patents

Procede et dispositif adaptatifs destines a personnaliser automatiquement un contenu de programme ameliore selon des preferences utilisateur

Info

Publication number
EP1332619A2
EP1332619A2 EP01993123A EP01993123A EP1332619A2 EP 1332619 A2 EP1332619 A2 EP 1332619A2 EP 01993123 A EP01993123 A EP 01993123A EP 01993123 A EP01993123 A EP 01993123A EP 1332619 A2 EP1332619 A2 EP 1332619A2
Authority
EP
European Patent Office
Prior art keywords
viewer
program content
content
enhanced program
viewer profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01993123A
Other languages
German (de)
English (en)
Inventor
James D. Schaffer
Nevenka Dimitrova
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arris Global Ltd
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of EP1332619A2 publication Critical patent/EP1332619A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44213—Monitoring of end-user related data
    • H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
    • 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
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video 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]
    • H04N21/40—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
    • H04N21/454—Content or additional data filtering, e.g. blocking advertisements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/4722—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content
    • 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
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
    • 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

Definitions

  • the present invention relates to the enhancement of primary programming content with supplementary content, and more particularly, to a method and apparatus for tailoring such enhanced content to user preferences.
  • Supplemental programming content is often provided with primary programming material.
  • the closed-captioning system for example, provides a textual version of the audio information associated with primary programming content to permit people that are hearing impaired to read along with the programming content.
  • a number of systems for enhancing programming content have also been proposed or suggested.
  • WebTVTM for example, provides an enhanced interactive television service using Internet and digital technologies. For example, WebTVTM permits users to play along with game shows and participate in polls during television programming.
  • United States Patent Application Serial Number 09/372,959 filed August 12, 1999, entitled “Customizing Database Information For Presentation With Media Selections,” assigned to the assignee of the present invention and incorporated by reference herein, embeds codes in the primary programming content to selectively trigger enhancement or supplemental content in accordance with a user profile. In this manner, the user profile filters the enhancement material that is presented to the user.
  • United States Patent Application Serial Number 09/532,845, filed March 21, 2000 entitled “System and Method for Automatic Content Enhancement of Multimedia Output Device,” hereinafter referred to as the "Automatic Content Enhancement System,” assigned to the assignee of the present invention and incorporated by reference herein, utilizes video processing and feature extraction techniques to provide automatic content enhancement for primary programming content.
  • the disclosed Automatic Content Enhancement System recognizes patterns or features in the primary programming material and thereafter automatically triggers the enhancement or supplemental content, optionally in accordance with a user profile.
  • a television program may include a logo for a given company that is recognized by the Automatic Content Enhancement System.
  • the recognized logo is then correlated with enhanced content that is typically stored locally.
  • the Automatic Content Enhancement System modifies the primary programming content in an appropriate way.
  • the enhanced content presented by the Automatic Content Enhancement System might be a commercial video clip or the telephone number of a local agent of the company.
  • the modification to the primary programming content overlays the local agent's telephone number on the video signal or buffers the primary broadcast signal and plays a supplemental commercial video clip.
  • the supplemental commercial video clip can be presented using picture-in-picture technology simultaneously with the continued presentation of the primary programming content.
  • the enhanced program content may include, for example, biographical information about an individual appearing in the primary programming content or current or historical events regarding a geographical area indicated in the primary programming content.
  • the present invention automatically and selectively triggers presentation of the enhanced program content in accordance with a viewer profile.
  • the viewer profile indicates the level of interest, in the form of a numerical representation, of the viewer in a number of attributes.
  • a viewer profile might have a numerical representation indicating that the user is a rock fan, with the sub-attribute that the user is a particularly heavy fan of a certain rock band.
  • a viewer preference learning process dynamically adjusts the numerical representations set forth in the viewer profile based on the viewer's acceptance or rejection of enhanced program content. In this manner, the present invention automatically adjusts the viewer's profile by observing the viewer's reactions to presented enhancement content.
  • the inferences contained in the viewer profile that automatically trigger the display of individual enhanced program content are thus strengthened or weakened based on the viewer's acceptance or rejection of enhanced program content, or based on an inferred determination as to whether the viewer enjoyed presented enhanced program content.
  • FIG. 1 illustrates a personalized program enhancement system in accordance with the present invention
  • FIG. 2 illustrates a music broadcast where the content is enhanced with several layers of enhanced program content in accordance with the present invention
  • FIG. 3 is a table illustrating an exemplary enhanced program content database that classifies attributes of the enhanced program content
  • FIG. 4A is a table illustrating an exemplary viewer profile of FIG. 1 ;
  • FIG. 4B illustrates a symbolic representation indicating the relative level of interest of a viewer in a particular program attribute;
  • FIG. 5 is a flow chart describing an exemplary personalized program enhancement process embodying principles of the present invention.
  • FIG. 6 is a flow chart describing an exemplary viewer preference learning process embodying principles of the present invention.
  • FIG. 1 illustrates a personalized program enhancement system 100 in accordance with the present invention.
  • the present invention seeks to enhance the enjoyment of a user accessing primary programming content, by providing associated, customized enhanced program content.
  • the primary programming content and enhanced program content may comprise audio, video, textual or other multimedia information, or a combination thereof.
  • the enhanced program content may include, for example, biographical information about an individual appearing in the primary programming content, such as a composer for a musical recording or current or historical events regarding a geographical area indicated in the primary programming content.
  • primary program content is received from a primary program source 110, for example, using a wireless broadcast network, such as a cellular telephone network, a terrestrial television broadcast network, or a digital satellite service (DSS) television network, or a wired network, such as the Internet, Public Switched Telephone Network (PSTN) or a cable television network, or a combination of the foregoing.
  • a wireless broadcast network such as a cellular telephone network, a terrestrial television broadcast network, or a digital satellite service (DSS) television network
  • DSS digital satellite service
  • wired network such as the Internet, Public Switched Telephone Network (PSTN) or a cable television network, or a combination of the foregoing.
  • PSTN Public Switched Telephone Network
  • cable television network or a combination of the foregoing.
  • enhanced program content is received from an enhanced program source 120, which may be local or remote.
  • the programming content may be received by means of any wireless or wired network (or both), in the manner described above. It is noted that the enhanced program content may be received simultaneously with the primary programming content or in an off-line manner.
  • the primary programming content and the enhanced program content are integrated by an enhancement manager 160 and presented to the viewer 195 on a display 180.
  • the enhancement manager 160 can coordinate the presentation or distribution of the enhanced program content.
  • the enhanced program content can optionally be presented simultaneously with the primary programming content, or the enhanced program content may be provided, for example, by electronic mail, for subsequent access.
  • the primary content may be delayed, so that enhanced program content may be viewed first.
  • the present invention automatically and selectively triggers enhanced program content in accordance with a viewer profile 150, discussed further below in conjunction with FIG. 4A.
  • the viewer profile 150 may be associated with a specific user or a group of individuals, such as a household, as would be apparent to a person of ordinary skill in the art.
  • the personalized program enhancement system 100 employs a learner 170 to automatically learn the viewer's profile 150 to greater precision by observing the viewer's reactions to presented enhancement content, as determined by a reaction capture module 190.
  • the inferences contained in the viewer profile 150 that automatically trigger the display of individual enhanced program content can be strengthened or weakened based on the viewer's acceptance or rejection of enhanced program content, or based on an inferred determination as to whether the viewer enjoyed presented enhanced program content. These inferences can be stored in the viewer profile 150 thus influencing all future enhancement behavior by the system.
  • the degree of adjustment to the inferences can vary based on the time of day or year, or whether the viewer selected to experience the enhanced program content simultaneously with the primary programming content or at a later time. For example, a user may have a level of interest in certain things only at certain times of the day or year, or when in certain moods. Likewise, an election to receive enhanced program content subsequent to the presentation of the primary programming content may suggest a lower level of interest in the topic than if the user elected immediate and simultaneous presentation of the enhanced program content.
  • any adjustments to the inferences can be reduced or eliminated if the user has elected to block all enhanced program content under certain conditions, such as during certain categories of programs.
  • the fact that enhanced program content is not presented to a user under certain predefined "blocking" conditions, should not prevent similar enhanced program content from being presented to the user in the future.
  • the personalized program enhancement system 100 also includes a matcher 140 that compares characteristics of the received enhanced program content to characteristics specified in the viewer profile 150 to identify enhanced program content that is of interest to the particular viewer. Thus, while the learner 170 infers information about the viewer based on viewer behavior, the matcher 140 applies what has already been learned about the viewer. The matcher 140 provides the personalized enhanced program content, together with the corresponding trigger conditions, to a trigger detector 130.
  • the trigger detector 130 monitors the primary programming content for embedded codes or specific features, or both.
  • the features in the primary programming content that trigger the display of ithe enhanced program content can be (i) embedded codes (i.e., annotations) placed in the enhanced program content by or on behalf of the content provider, or (ii) features that are dynamically recognized in the primary programming content by the trigger detector 130.
  • the trigger detector 130 may employ face recognition, feature recognition, speech recognition or other well-known techniques to recognize predefined features in the primary programming content.
  • the embedded codes can actually be the enhanced program content, or a pointer to a local or remote location where the enhanced program content is stored.
  • the trigger detector 130 can identify a particular actor in the primary programming content, and then trigger enhanced program content that is related to the identified actor, assuming the viewer is interested in enhanced program content about this actor.
  • the embedded codes or extracted features are provided to the trigger detector 130, for example, by an indexer (not shown),_ as a stream of tags matched to points or segments in the primary programming content.
  • the trigger detector 130 then monitors the tags and filters out those tags that are not of interest to the user, or that do not correspond to available enhanced program content.
  • the trigger detector 130 monitors the primary programming content for embedded codes or specific features, or both.
  • the primary programming content contains embedded enhanced program content
  • the primary programming content is manually indexed with the enhanced program content (or a pointer to a file where the enhanced program content is stored). The indexing can be performed during content production or before content distribution, for example, by the content provider, the broadcaster or a third party.
  • FIG. 2 illustrates a music broadcast 200 where the content 210 is enhanced with several layers 220, 230, 240 of enhanced program content about the same content 210.
  • the music broadcast 200 has been enhanced with biographical information about the composer in layer 220 and an explanation of the movements and passages in layer 240.
  • the trigger detector 130 performs visual or audio characterization using low-level features extracted from the signal. For example, audio-visual characterization can be performed off-line. During audio-visual characterization of the content, the features are extracted and then classified. In this manner, the class label serves as a trigger generator for the enhanced program content.
  • An audio signal can be characterized by features such as: short time energy, band energy ratio, pause rate, and pitch. Other features using Fourier transform and Mel Spectrum Frequency coefficients can also be used. A weighted combination of these features can be used to characterize the audio part (e.g., music program) of a video segment.
  • the features are extracted using a sliding window of N milliseconds with an overlapping of M milliseconds (where N could be, for example, 45 and M could be 30.)
  • the features are then provided to the nearest neighbor classifier to generate k classification labels for each moving window. Then, the k classification decisions from each window are combined to generate a single decision for each segment. This decision represents the identity of the music segment that hopefully reflects the mood, harmony and the melody itself.
  • the input audio signal (music) can be converted into a series of midi symbols, as described in A. Ghias et al., "Query by Humming," ACM Multimedia 95, 231-236 (1995), incorporated by reference herein. These are basically part of a play list indicating which notes have been played.
  • the melody then can be converted into an indexed string representing the audio segment. If the next note is higher than the previous one, then it is labeled U (short for Up), if the next note is the same then it is labeled as S (for same), and if the note is lower then it is labeled as D (for down).
  • the opening of the Beethoven Vth symphony is then SSDUSSD.
  • the whole database is analyzed and indexed.
  • the content provider can then search for similar strings, i.e., similar music segments. If there are similar segments, then the segment is associated with a label (which serves as a trigger later on) of the name and location of the similar audio in the other video streams.
  • a label which serves as a trigger later on
  • the matcher 140 executes a personalized program enhancement process 500, discussed further below in conjunction with FIG. 5, to compare features or characteristics of the received enhanced program content, discussed further below in conjunction with FIG. 3, to viewer preferences (attributes) set forth in the viewer profile 150, discussed further below in conjunction with FIG. 4A, to identify enhanced program content that is of interest to the . particular viewer.
  • the matcher 140 can thus provide personalized enhanced program content, together with the corresponding trigger conditions, to a trigger detector 130.
  • FIG. 3 is a table illustrating an exemplary enhanced program content database 300 that classifies enhanced program content.
  • the enhanced program content database 300 contains a plurality of records 305-310 each associated with a different segment of enhanced program content. For each enhanced program content segment identified in column 340, the enhanced program content database 300 provides a description of the segment in column 345 as well as identifying attributes that indicate the target audience for the segment in column 350.
  • the matcher 140 attempts to match the segments of enhanced program content to the appropriate viewers, based on the attributes specified in the target audience column 350.
  • the enhanced program content database 300 assumes that the enhanced program content is stored and indexed locally.
  • the enhanced program content can be received over a network in real-time, simultaneous with the primary programming content.
  • the attributes of the target audience for the enhanced program content may actually be received with the enhanced program content itself, for example, in a parallel data stream or in header information.
  • FIG. 4A is a table illustrating an exemplary viewer profile 150.
  • the viewer profile 150 contains a plurality of records 405-412 each associated with a different user attribute or sub-attribute (hereinafter, collectively referred to as "attributes").
  • the viewer profile 150 provides a numerical or symbolic representation in column 450, indicating the relative level of interest of the viewer in the corresponding attribute.
  • a viewer profile 150 might have a numerical representation indicating that the user is a rock fan, with the sub-attribute that the user is a particularly heavy fan of the band U2.
  • FIG. 4B illustrates a symbolic representation that indicates the relative level of interest of a viewer in a particular program attribute, such as rock music shows.
  • a particular program attribute such as rock music shows.
  • the number of rock music shows watched by a user is translated into a discrete level of interest in rock music. Thereafter, if the user's level of interest in rock music is "high," for example, then enhanced program content corresponding to rock music will be presented to this user.
  • the viewer profile 150 may initially be established explicitly, for example, in response to a questionnaire administered to the user, or implicitly, for example, by observing the behavior of the user.
  • the present invention dynamically adjusts the numerical representations set forth in column 450 based on the viewer's reaction to presented enhanced program content.
  • the numerical representation in the viewer profile 150 includes an intensity scale such as:
  • the matcher 140 executes a personalized program enhancement process 500, shown in FIG. 5, to compare features of the enhanced program content (from FIG. 3) to viewer preferences (attributes) set forth in the viewer profile 150 (FIG. 4) to identify enhanced program content that is of interest to the particular viewer.
  • a personalized program enhancement process 500 shown in FIG. 5, to compare features of the enhanced program content (from FIG. 3) to viewer preferences (attributes) set forth in the viewer profile 150 (FIG. 4) to identify enhanced program content that is of interest to the particular viewer.
  • the illustrative embodiment of the personalized program enhancement process 400 assumes that the enhanced program content is stored and indexed locally for later retrieval.
  • United States Patent Application Serial Number 09/372,959 filed August 12, 1999, entitled "Customizing Database Information For Presentation With Media Selections,” assigned to the assignee of the present invention and incorporated by reference herein.
  • the personalized program enhancement process 500 initially accesses the enhanced program content database 300 during step 510 to retrieve attributes describing the target audience for a segment of enhanced program content.
  • the personalized program enhancement process 500 accesses the viewer profile 150 during step 520 to retrieve the numerical representations for the corresponding attributes.
  • a test is performed during step 530 to determine if the retrieved numerical representation(s) for the corresponding attribute (s) satisfy predefined criteria.
  • the predefined criteria may be a minimum score.
  • the numerical or symbolic representation set forth in field 450 of the viewer profile 150 may be dynamically adjusted based on the viewer's reaction to enhanced program content in accordance with the present invention, as discussed hereinafter.
  • step 530 If it is determined during step 530 that the retrieved numerical representation(s) for the corresponding attribute (s) satisfy the predefined criteria, then the enhanced program content is presented to the viewer together with the primary programming content during step 540. The presentation of the enhanced program content and the primary programming content is coordinated by the enhancement manager 160. If, however, it is determined during step 530 that the retrieved numerical representation(s) for the corresponding attribute (s) do not satisfy the predefined criteria, then the enhanced program content is not presented to the viewer and program control terminates during step 550.
  • FIG. 6 is a flow chart describing an exemplary viewer preference learning process 600 embodying principles of the present invention.
  • the viewer preference learning process 600 can strengthen or weaken the numerical representations corresponding to each inference contained in the viewer profile 150, based on the viewer's acceptance or rejection of enhanced program content.
  • the viewer preference learning process 600 initially monitors the viewer behavior for an acceptance or rejection of enhanced program content during step 610. Once it is determined during step 610 that the viewer has accepted or rejected some enhanced program content, program control proceeds to step 620.
  • the viewer behavior suggesting an acceptance or rejection of enhanced program content may be express behavior or inferred behavior.
  • the personalized program enhancement system 100 may require the viewer to affirmatively accept enhanced program content before it is presented, for example, by providing an indication of available enhanced program content in a small window and requiring the viewer to press a button on the remote control to initiate the presentation of the enhanced program content.
  • behavior suggesting a positive reaction to the enhanced program content is considered an acceptance of the enhanced program content.
  • the following behavior suggests a positive reaction: expanding a smaller picture-in-picture window containing enhanced program content or otherwise changing the focus from the primary programming content to the enhanced program content.
  • the following behavior suggests a negative reaction: reducing a larger picture-in-picture window containing enhanced program content or otherwise changing returning the focus from the enhanced programming content to the primary program content.
  • a test is performed during step 620 to determine if the viewer has accepted or rejected enhanced program content. If it is determined during step 620 that the viewer has accepted enhanced program content, then the numerical ratings contained in the viewer profile 150 that are associated with the attributes that contributed to the selection of this enhanced program content are incremented during step 630. If, on the other hand, it is determined during step 620 that the viewer has rejected enhanced program content, then the numerical ratings contained in the viewer profile 150 that are associated with the attributes that contributed to the selection of this enhanced program content are decremented during step 640.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Social Psychology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Television Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

L'invention concerne un procédé et un dispositif destinés à fournir un contenu de programmation supplémentaire personnalisé présentant des améliorations par rapport à un contenu de programmation original. La présentation de ce contenu de programme amélioré est déclenchée automatiquement et sélectivement en fonction d'un profil de téléspectateur. Ce profil de téléspectateur fournit une représentation numérique indiquant le niveau d'intérêt du téléspectateur en plusieurs attributs. Un procédé d'apprentissage des préférences du téléspectateur modifie dynamiquement les représentations numériques présentées dans le profil de téléspectateur selon l'acceptation ou le refus du téléspectateur de recevoir un contenu de programme amélioré. Ainsi, le profil de téléspectateur est automatiquement adapté en fonction des réactions du téléspectateur lors de la présentation d'un contenu amélioré. Les inférences contenues dans le profil de téléspectateur sont renforcées ou atténuées selon l'acceptation ou le refus du téléspectateur de recevoir un contenu de programme amélioré. Ce système permet également de déterminer si le téléspectateur a apprécié le contenu de programme amélioré qui lui a été présenté.
EP01993123A 2000-10-30 2001-10-16 Procede et dispositif adaptatifs destines a personnaliser automatiquement un contenu de programme ameliore selon des preferences utilisateur Withdrawn EP1332619A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69960400A 2000-10-30 2000-10-30
US699604 2000-10-30
PCT/EP2001/012093 WO2002037850A2 (fr) 2000-10-30 2001-10-16 Procede et dispositif adaptatifs destines a personnaliser automatiquement un contenu de programme ameliore selon des preferences utilisateur

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EP1332619A2 true EP1332619A2 (fr) 2003-08-06

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EP01993123A Withdrawn EP1332619A2 (fr) 2000-10-30 2001-10-16 Procede et dispositif adaptatifs destines a personnaliser automatiquement un contenu de programme ameliore selon des preferences utilisateur

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Country Link
EP (1) EP1332619A2 (fr)
JP (1) JP2004513576A (fr)
KR (1) KR20020067925A (fr)
CN (1) CN1331357C (fr)
WO (1) WO2002037850A2 (fr)

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Also Published As

Publication number Publication date
JP2004513576A (ja) 2004-04-30
WO2002037850A2 (fr) 2002-05-10
CN1406439A (zh) 2003-03-26
KR20020067925A (ko) 2002-08-24
CN1331357C (zh) 2007-08-08
WO2002037850A3 (fr) 2002-08-01

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