Patent application number | Description | Published |
20100138928 | APPARATUS AND METHOD FOR SHARING CONTENT BETWEEN DEVICES BY USING DOMAIN DRM - An apparatus for sharing content between devices by using a domain digital rights management (DRM) includes: a domain management unit for performing management of a domain within a specific area and registration of users and user devices; a user management unit for managing information about the users of the domain registered by the domain management unit; and a device management unit for managing domain clients of the domain registered by the domain management unit. The apparatus further includes a DRM management unit that has DRM information that supports the domain created through the domain management unit and update information about each DRM, and relays such that DRM content stored in each domain client is converted into domain DRM content and domain DRM license. | 06-03-2010 |
20100161781 | APPARATUS AND METHOD FOR DIGITAL HOME DOMAIN MANAGEMENT - An apparatus for digital home domain management includes a home domain server which manages in one user domain all user terminals within a home group and provides each user terminal with a domain license in contents; and a DRM coupler which provides the contents and domain licenses converted to conform to a DRM type loaded in user terminals if contents sharing is requested among user terminals loaded with different DRMs within the home group. | 06-24-2010 |
20100250439 | APPARATUS AND METHOD FOR PROTECTING CONTENTS STREAMED THROUGH RE-TRANSMISSION - An apparatus for protecting contents streamed through re-transmission, includes a content service site for servicing a content, managing end user and re-sender re-transmitting the content streamed from the content service site to another user, and issuing and managing a re-transmission license and a content license. The end user pays a charge to the content service site, receives an issued license from the content service site, and uses the content received from the re-sender through re-transmission. | 09-30-2010 |
20100329639 | APPARATUS AND METHOD FOR PROTECTING COPYRIGHT FOR MOTION PICTURE AND RECORD MEDIUM - Provided are an apparatus and method for processing motion picture and a record medium, which decompose a motion picture into unit frames and insert copyright information into the unit frames, enabling to determine the infringement of copyright when the motion picture is illegally circulated. The apparatus includes a processing unit, a merging unit and an output unit. The processing unit decomposes a motion picture into a plurality of unit frames, and generates a main frame, a sub-frame including copyright information for the motion picture and a degree frame which is paired with the sub-frame, based on the unit frames. The merging unit merges the sub-frame into the main frame according to a degree of mergence of the degree frame. The output unit continuously outputs the merged frames in time order. | 12-30-2010 |
20110029768 | METHOD FOR TRANSMITTING CONTENTS FOR CONTENTS MANAGEMENT TECHNOLOGY INTERWORKING, AND RECORDING MEDIUM FOR STORING PROGRAM THEREOF - A DRM technique interoperability system includes an exporter and an importer. The exporter cancels the DRM technique from the contents to which the DRM technique of a DRM device is applied to generate a contents stream, generates a plurality of packets from the contents stream, and transmits the packets to the importer. The importer receives a plurality of packets from the exporter, generates a contents stream from the plurality of packets, applies a DRM technique of a second DRM device to the contents stream, and provides it to the second DRM device. | 02-03-2011 |
20110249817 | METHOD OF MANAGING GROUP KEY FOR SECURE MULTICAST COMMUNICATION - A group key management method for secure multicast communication includes: creating a tree having a root node, internal nodes and leaf nodes to manage group keys of a receiver group by a group key management server; generating user keys of all nodes excluding the root node in the tree on the basis of Chinese Remainder Theorem; assigning the leaf nodes of the tree to users of the receiver group; and sending the user keys of the leaf nodes to the corresponding users for group key management. Further, the group key management method for secure multicast communication includes generating group keys of all non-leaf nodes; computing a solution of congruence equations based on the user key and group key by using Chinese Remainder Theorem for each non-leaf node; and multicasting a group key update message to each user of the respective leaf nodes. | 10-13-2011 |
20120124473 | SYSTEM AND METHOD FOR PLAYING MUSIC USING MUSIC VISUALIZATION TECHNIQUE - A music playing system using a music visualization technique includes: a music information extraction unit for extracting one or more pieces of music information regarding basic characteristics, meta-characteristics and emotional characteristics of music, the music including music being played at present, music selected for playing, and music selected for visualization; and a display control unit that provides a user interface window for visualizing the extracted music information and controls the user interface window, wherein the user interface window includes a visualization configuration panel having a setup function for selecting the music information to be extracted. | 05-17-2012 |
20120151215 | APPARATUS AND METHOD FOR PROTECTING COPYRIGHT OF DIGITAL CONTENT, AND APPARATUS AND METHOD FOR DETERMINING AUTHENTICITY OF DIGITAL CONTENT - Provided are an apparatus and method for protecting the copyright of digital content, and an apparatus and method for determining the authenticity of digital content. The apparatus for protecting the copyright of digital content includes a creative commons license (CCL) watermark application unit configured to watermark digital content provided with | 06-14-2012 |
20120151598 | APPARATUS AND METHOD FOR FORENSIC MARKING OF DIGITAL CONTENT - Provided are an apparatus and method for forensic marking of digital content. The apparatus includes a forensic marker configured to generate first content by inserting a first binary forensic mark in original content and second content by inserting a second binary forensic mark in the original content, and when a content service request is generated, combine the first content and the second content on the basis of information about a user who has requested the content service and thereby generate third content in which a forensic mark corresponding to the user information is inserted, a content database configured to store the first and second content, and a transceiver configured to transmit the third content. | 06-14-2012 |
20130104242 | METHOD AND SYSTEM FOR FORENSIC MARKING OF DIGITAL CONTENTS - Disclosed are a forensic marking method and a forensic marking system capable of inserting in real-time a forensic mark for user information in digital contents provided online. The forensic marking method of the digital content according to an exemplary embodiment of the present disclosure includes generating a first content created by inserting a first forensic mark in an original content and a second content created by inserting a second forensic mark in the original content by a content server; transmitting the first and second contents to a client terminal by the content server; and combining fragments of the first and second contents in a combination order corresponding to user information to generate a third content by the client terminal | 04-25-2013 |
20130132988 | SYSTEM AND METHOD FOR CONTENT RECOMMENDATION - Disclosed are a system and method for recommending contents. The content recommendation method includes: receiving audio data or a fingerprint and emotion information of the audio data; extracting a fingerprint and emotion information of the received audio data when the audio data is received; extracting video information corresponding to the fingerprint and emotion information of the audio data to provide the extracted video information to a user if video recommendation is requested; and extracting audio information corresponding to the fingerprint and emotion information of the audio data to provide the extracted audio information to the user if audio recommendation is requested. | 05-23-2013 |
20130138232 | APPARATUS AND METHOD FOR EXTRACTING HIGHLIGHT SECTION OF MUSIC - Disclosed are an apparatus and a method for extracting a highlight section of music. The apparatus for extracting a highlight section of music in accordance with the embodiment of the present invention includes a frame divider that divides an audio file into a plurality of frames having a predetermined sample length; an average energy signal calculator that calculates a signal representing the average magnitude of audio energy for a plurality of samples belonging to each frame for each frame of the plurality of frames; and a highlight section selector that extracts a low frequency signal from the signal representing the average audio energy magnitude for each frame and determines the highlight section from frame sections including maximum points of the low frequency signal. | 05-30-2013 |
20130138684 | METHOD AND APPARATUS FOR SEARCHING FOR RECOMMENDED MUSIC USING EMOTIONAL INFORMATION OF MUSIC - The present invention relates generally to a method and apparatus for searching for recommended music using the emotional information of music and, more particularly, to a method and apparatus that enable recommended music to be searched for using mixed emotions by extracting emotional values including a valence value and an arousal value from an input search condition when a predetermined search condition is input by a user, extracting an emotion rank combination corresponding to the extracted emotional value information using an emotion model that includes mixed emotions corresponding to the emotional values, searching a music emotion DB for music information corresponding to the emotion rank combination, and outputting a recommended music list based on the results of the search, thus improving the user's satisfaction with the results of the search. | 05-30-2013 |
20130142433 | SYSTEM AND METHOD FOR FINGERPRINTING FOR COMICS - The present disclosure relates to a system and a method for finger printing for comics. A system for searching comics according to the present disclosure includes: a fingerprint database storing fingerprints extracted from comics, a comics fingerprint extraction unit extracting fingerprints configured of at least one of box frames, cuts, and speech bubbles included in input comic images, a fingerprint based candidate group search unit searching candidate groups among comics stored in the fingerprint database using the extracted fingerprints, and a similarity measuring unit measuring similarity between the searched candidate groups and the comic images corresponding to the extracted fingerprints. | 06-06-2013 |
20130290330 | METHOD FOR EXTRACTING FINGERPRINT OF PUBLICATION, APPARATUS FOR EXTRACTING FINGERPRINT OF PUBLICATION, SYSTEM FOR IDENTIFYING PUBLICATION USING FINGERPRINT, AND METHOD FOR IDENTIFYING PUBLICATION USING FINGERPRINT - Disclosed are a method and an apparatus for extracting a fingerprint of a publication. And disclosed are a system and a method for identifying a publication using a fingerprint. The system for identifying the publication using the fingerprint includes: a fingerprint extraction unit for extracting fingerprints for collected query publications to identify the copyrights infringement; a fingerprint query unit for querying fingerprints of original publications corresponding from the fingerprint extraction unit; a DBMS for storing the fingerprints extracted from the original publications and additional information from the original publications, and providing a search result candidate group which is composed of fingerprints of at least one of the original publications corresponding to the queries of the fingerprint query unit; and a candidate group verification unit for determining copyright infringement for the query publications by verifying the search result candidate group provided from the DBMS. | 10-31-2013 |
20130301869 | FORENSIC MARKING APPARATUS AND METHOD FOR REAL-TIME CONTENT SERVICE - A forensic marking apparatus includes a preprocessing unit configured to selectively perform preprocessing for forensic processing on content to be provided to a user terminal; and a forensic processing unit configured to perform forensic marking on the content by combining content files preprocessed by the preprocessing unit or perform the forensic marking on an uncompressed original content file in real time, in accordance with a forensic processing method set for the content. Further, the forensic marking apparatus includes a control unit configured to determine the forensic processing method for the content, to control the forensic processing unit so that forensic processing is performed on the content in accordance with the determined method, and to provide the forensic-processed content to the user terminal. | 11-14-2013 |
20140016789 | APPARATUS AND METHOD FOR MEASURING QUALITY OF AUDIO - Disclosed herein is an apparatus and method for measuring quality of audio. The apparatus includes a distorted signal generation unit, an extraction unit, a distortion level measurement unit, a distortion function generation unit, and a search and measurement unit. The distorted signal generation unit generates a plurality of distorted signals with respect to audio in compliance. The extraction unit extracts a fingerprint and AV information corresponding to the audio and fingerprints and AV information corresponding to the plurality of distorted signals. The distortion level measurement unit measures fingerprint distance differences, and arousal and valence (AV) distance differences. The distortion function generation unit generates a fingerprint distortion function and an AV distortion function. The search and measurement unit measures the quality of the audio by extracting a fingerprint and AV information from query audio and then comparing extraction results with the fingerprint distortion function or AV distortion function. | 01-16-2014 |