DE69622837D1 - Markierung eines digital kodierten video und/oder audio signals - Google Patents

Markierung eines digital kodierten video und/oder audio signals

Info

Publication number
DE69622837D1
DE69622837D1 DE69622837T DE69622837T DE69622837D1 DE 69622837 D1 DE69622837 D1 DE 69622837D1 DE 69622837 T DE69622837 T DE 69622837T DE 69622837 T DE69622837 T DE 69622837T DE 69622837 D1 DE69622837 D1 DE 69622837D1
Authority
DE
Germany
Prior art keywords
marking
audio signal
encoded video
digitally encoded
digitally
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.)
Expired - Fee Related
Application number
DE69622837T
Other languages
English (en)
Other versions
DE69622837T2 (de
Inventor
Paul Linnartz
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.)
Koninklijke Philips NV
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
Application granted granted Critical
Publication of DE69622837D1 publication Critical patent/DE69622837D1/de
Publication of DE69622837T2 publication Critical patent/DE69622837T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • G06T1/0021Image watermarking
    • G06T1/0085Time domain based watermarking, e.g. watermarks spread over several images
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • G06T1/0021Image watermarking
    • G06T1/005Robust watermarking, e.g. average attack or collusion attack resistant
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00253Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
    • G11B20/00405Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored by varying characteristics of the recording track, e.g. by altering the track pitch or by modulating the wobble track
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23892Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835Generation of protective data, e.g. certificates
    • H04N21/8358Generation of protective data, e.g. certificates involving watermark
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/913Television signal processing therefor for scrambling ; for copy protection
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00General purpose image data processing
    • G06T2201/005Image watermarking
    • G06T2201/0053Embedding of the watermark in the coding stream, possibly without decoding; Embedding of the watermark in the compressed domain
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00General purpose image data processing
    • G06T2201/005Image watermarking
    • G06T2201/0065Extraction of an embedded watermark; Reliable detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/913Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91321Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/913Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/913Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91342Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being an authentication signal
DE69622837T 1995-10-04 1996-09-25 Markierung eines digital kodierten video und/oder audio signals Expired - Fee Related DE69622837T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95202673 1995-10-04
PCT/IB1996/000992 WO1997013248A1 (en) 1995-10-04 1996-09-25 Marking a digitally encoded video and/or audio signal

Publications (2)

Publication Number Publication Date
DE69622837D1 true DE69622837D1 (de) 2002-09-12
DE69622837T2 DE69622837T2 (de) 2003-04-10

Family

ID=8220684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69622837T Expired - Fee Related DE69622837T2 (de) 1995-10-04 1996-09-25 Markierung eines digital kodierten video und/oder audio signals

Country Status (7)

Country Link
US (1) US6131161A (de)
EP (1) EP0795174B1 (de)
JP (1) JP3850035B2 (de)
KR (1) KR100465359B1 (de)
CN (1) CN1165901C (de)
DE (1) DE69622837T2 (de)
WO (1) WO1997013248A1 (de)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9286294B2 (en) 1992-12-09 2016-03-15 Comcast Ip Holdings I, Llc Video and digital multimedia aggregator content suggestion engine
US7168084B1 (en) 1992-12-09 2007-01-23 Sedna Patent Services, Llc Method and apparatus for targeting virtual objects
US7313251B2 (en) 1993-11-18 2007-12-25 Digimarc Corporation Method and system for managing and controlling electronic media
US6614914B1 (en) * 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
US6122403A (en) 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
US5822436A (en) * 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
US6882738B2 (en) 1994-03-17 2005-04-19 Digimarc Corporation Methods and tangible objects employing textured machine readable data
US6738495B2 (en) 1995-05-08 2004-05-18 Digimarc Corporation Watermarking enhanced to withstand anticipated corruptions
US20030133592A1 (en) * 1996-05-07 2003-07-17 Rhoads Geoffrey B. Content objects with computer instructions steganographically encoded therein, and associated methods
US8005254B2 (en) 1996-11-12 2011-08-23 Digimarc Corporation Background watermark processing
WO1998031152A2 (en) * 1997-01-13 1998-07-16 Koninklijke Philips Electronics N.V. Embedding supplemental data in a digital video signal
AU5337598A (en) 1997-01-27 1998-08-18 Koninklijke Philips Electronics N.V. System for copy protection of recorded signals
CN1135852C (zh) 1997-01-27 2004-01-21 皇家菲利浦电子有限公司 传递内容信息和与其相关的附加信息的方法和系统
CA2227381C (en) * 1997-02-14 2001-05-29 Nec Corporation Image data encoding system and image inputting apparatus
EP0920775A2 (de) * 1997-05-29 1999-06-09 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung zur detektion eines wasserzeichens
US8155375B2 (en) * 1997-07-24 2012-04-10 Regents Of The University Of Minnesota Video watermarking using temporal analysis
US8090142B2 (en) * 1997-07-24 2012-01-03 Regents Of The University Of Minnesota Embedding data in and detecting embedded data from video objects
WO1999011064A2 (en) * 1997-08-26 1999-03-04 Koninklijke Philips Electronics N.V. System for transferring content information and supplemental information relating thereto
JP4456185B2 (ja) * 1997-08-29 2010-04-28 富士通株式会社 コピー防止機能を持つ見える透かし入り動画像記録媒体とその作成・検出および録画・再生装置
KR100583359B1 (ko) * 1997-09-02 2006-05-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 워터마크의 검출방법 및 검출장치
CA2271042A1 (en) * 1997-09-02 1999-03-11 Koninklijke Philips Electronics N.V. Watermarking an information signal
JP3103061B2 (ja) * 1997-09-12 2000-10-23 インターナショナル・ビジネス・マシーンズ・コーポレ−ション トークン作成装置および該トークンを用いたデータ制御システム
US6611599B2 (en) 1997-09-29 2003-08-26 Hewlett-Packard Development Company, L.P. Watermarking of digital object
WO1999018723A1 (en) * 1997-10-08 1999-04-15 Macrovision Corporation Method and apparatus for a copy-once watermark for video recording
US6278807B1 (en) * 1997-11-13 2001-08-21 Kabushiki Kaisha Toshiba Data recording/reproducing apparatus, data recording/reproducing method applied to the apparatus, and computer program product used in data processing apparatus
JPH11232779A (ja) 1997-11-20 1999-08-27 Toshiba Corp コピー防止装置
JPH11220736A (ja) 1998-01-30 1999-08-10 Canon Inc 画像処理装置および方法、記録媒体
WO1999045704A2 (en) * 1998-03-04 1999-09-10 Koninklijke Philips Electronics N.V. Watermark detection
MY132414A (en) * 1998-04-14 2007-10-31 Hitachi Ltd Reproducing apparatus, recording apparatus and display apparatus
US6608911B2 (en) 2000-12-21 2003-08-19 Digimarc Corporation Digitally watermaking holograms for use with smart cards
US6965873B1 (en) 1998-04-16 2005-11-15 Digimarc Corporation Electronic commerce using optical input device
US7602940B2 (en) 1998-04-16 2009-10-13 Digimarc Corporation Steganographic data hiding using a device clock
US6782115B2 (en) 1998-04-16 2004-08-24 Digimarc Corporation Watermark holograms
IL124595A (en) 1998-05-21 2009-09-01 Yossef Tsuria Anti-piracy system
WO1999065240A1 (en) * 1998-06-06 1999-12-16 Koninklijke Philips Electronics N.V. Generational copy control of a digital video signal
US6701062B1 (en) * 1998-06-06 2004-03-02 Macrovision Corporation Generational copy control of a video signal
US6285774B1 (en) 1998-06-08 2001-09-04 Digital Video Express, L.P. System and methodology for tracing to a source of unauthorized copying of prerecorded proprietary material, such as movies
US6523113B1 (en) * 1998-06-09 2003-02-18 Apple Computer, Inc. Method and apparatus for copy protection
JP4162294B2 (ja) * 1998-07-03 2008-10-08 パイオニア株式会社 複製制限機能を有する情報再生装置
US6865675B1 (en) * 1998-07-14 2005-03-08 Koninklijke Philips Electronics N.V. Method and apparatus for use of a watermark and a unique time dependent reference for the purpose of copy protection
US6490355B1 (en) * 1998-07-14 2002-12-03 Koninklijke Philips Electronics N.V. Method and apparatus for use of a time-dependent watermark for the purpose of copy protection
US6530021B1 (en) * 1998-07-20 2003-03-04 Koninklijke Philips Electronics N.V. Method and system for preventing unauthorized playback of broadcasted digital data streams
US9924234B2 (en) 1998-07-23 2018-03-20 Comcast Ip Holdings I, Llc Data structure and methods for providing an interactive program
US6754905B2 (en) 1998-07-23 2004-06-22 Diva Systems Corporation Data structure and methods for providing an interactive program guide
JP4605902B2 (ja) 1998-07-23 2011-01-05 コムキャスト アイピー ホールディングス アイ, エルエルシー 双方向ユーザインターフェイス
JP3266569B2 (ja) 1998-07-29 2002-03-18 日本電気株式会社 電子透かしデータによる画像属性変更システム
JP3634636B2 (ja) * 1998-08-05 2005-03-30 株式会社東芝 データ再生装置及びデータ記録装置並びにプログラム記録媒体
FR2783658B1 (fr) * 1998-09-23 2000-10-13 Thomson Multimedia Sa Protection contre la copie de donnees numeriques stockees sur un support d'informations
US7197156B1 (en) 1998-09-25 2007-03-27 Digimarc Corporation Method and apparatus for embedding auxiliary information within original data
US7373513B2 (en) * 1998-09-25 2008-05-13 Digimarc Corporation Transmarking of multimedia signals
US7532740B2 (en) 1998-09-25 2009-05-12 Digimarc Corporation Method and apparatus for embedding auxiliary information within original data
CA2323561C (en) * 1999-01-13 2013-03-26 Koninklijke Philips Electronics N.V. Embedding supplemental data in an encoded signal
GB2363302B (en) * 1999-01-28 2003-11-05 Kent Ridge Digital Labs Method and apparatus for watermarking wavetable synthesis architectures
CA2507287C (en) * 1999-02-25 2010-04-06 Macrovision Corporation Method and apparatus for enhanced audio/video services with watermarks and associated data
US6546113B1 (en) * 1999-03-02 2003-04-08 Leitch Technology International Inc. Method and apparatus for video watermarking
US6601046B1 (en) 1999-03-25 2003-07-29 Koninklijke Philips Electronics N.V. Usage dependent ticket to protect copy-protected material
JP2000350013A (ja) * 1999-03-31 2000-12-15 Victor Co Of Japan Ltd 透かしデータ埋め込み装置、透かしデータ埋め込み方法、伝送方法、記録媒体、透かしデータ読み出し装置及び透かしデータ読み出し方法。
EP1088450A1 (de) 1999-04-14 2001-04-04 Koninklijke Philips Electronics N.V. Verfahren und system zum kopierschutz von informationen
US7096487B1 (en) 1999-10-27 2006-08-22 Sedna Patent Services, Llc Apparatus and method for combining realtime and non-realtime encoded content
US6754271B1 (en) 1999-04-15 2004-06-22 Diva Systems Corporation Temporal slice persistence method and apparatus for delivery of interactive program guide
US6904610B1 (en) 1999-04-15 2005-06-07 Sedna Patent Services, Llc Server-centric customized interactive program guide in an interactive television environment
US6978377B1 (en) 1999-04-16 2005-12-20 Sony Corporation Copy protection using detailed copy control information
IL129725A (en) 1999-05-02 2011-06-30 Nds Ltd Watermark system
WO2000070539A1 (en) * 1999-05-12 2000-11-23 Signafy, Inc. A method for increasing the functionality of a media player/recorder device or an application program
US7164413B2 (en) * 1999-05-19 2007-01-16 Digimarc Corporation Enhanced input peripheral
AU753421B2 (en) 1999-08-06 2002-10-17 Rovi Solutions Corporation A scaling independent technique for watermarking images
US6766102B1 (en) * 1999-09-20 2004-07-20 Digimarc Corporation Methods for reading watermarks in unknown data types, and DVD drives with such functionality
WO2001028230A1 (en) 1999-10-12 2001-04-19 Koninklijke Philips Electronics N.V. Method and system for embedding extra information, method and system for decoding
AU1576801A (en) 1999-10-27 2001-05-08 Diva Systems Corporation Picture-in-picture and multiple video streams using slice-based encoding
US6473087B1 (en) * 1999-12-15 2002-10-29 Silicon Magic Corporation Method and system for concurrent processing of slices of a bitstream in a multiprocessor (MP) system
US7127744B2 (en) 2000-03-10 2006-10-24 Digimarc Corporation Method and apparatus to protect media existing in an insecure format
US6687384B1 (en) * 2000-03-27 2004-02-03 Sarnoff Corporation Method and apparatus for embedding data in encoded digital bitstreams
US7305104B2 (en) 2000-04-21 2007-12-04 Digimarc Corporation Authentication of identification documents using digital watermarks
US7167599B1 (en) * 2000-05-03 2007-01-23 Thomson Licensing Method and device for controlling multimedia data watermark
WO2001091120A1 (en) * 2000-05-22 2001-11-29 Koninklijke Philips Electronics N.V. Watermark insertion and extraction
EP1296328A1 (de) * 2000-06-27 2003-03-26 Sony Corporation Datenaufzeichnungsverfahren, datenaufzeichnungsgerät und aufzeichnungsmedium
WO2002015587A2 (en) * 2000-08-16 2002-02-21 Dolby Laboratories Licensing Corporation Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information
US7822969B2 (en) * 2001-04-16 2010-10-26 Digimarc Corporation Watermark systems and methods
JP2003009102A (ja) * 2001-04-18 2003-01-10 Victor Co Of Japan Ltd オブジェクトデータの符号化方法、オブジェクトデータの伝送方法、オブジェクトデータの復号方法、オブジェクトデータ符号化装置、オブジェクトデータ生成装置、オブジェクトデータ復号装置、オブジェクトデータ符号化用プログラム、オブジェクトデータ復号用プログラム、及びオブジェクトデータ記録媒体
US8122465B2 (en) 2001-07-05 2012-02-21 Digimarc Corporation Watermarking to set video usage permissions
US7263202B2 (en) 2001-07-05 2007-08-28 Digimarc Corporation Watermarking to control video recording
US7908628B2 (en) 2001-08-03 2011-03-15 Comcast Ip Holdings I, Llc Video and digital multimedia aggregator content coding and formatting
US7793326B2 (en) 2001-08-03 2010-09-07 Comcast Ip Holdings I, Llc Video and digital multimedia aggregator
PT1456810E (pt) 2001-12-18 2011-07-25 L 1 Secure Credentialing Inc Características de segurança com imagens múltiplas para documentos de identificação e processo para as efectuar
EP1459239B1 (de) 2001-12-24 2012-04-04 L-1 Secure Credentialing, Inc. Verdeckte variableninformationen auf id-dokumenten und verfahren zu ihrer herstellung
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
EP1459246B1 (de) 2001-12-24 2012-05-02 L-1 Secure Credentialing, Inc. Verfahren zur vollfarb-markierung von id-dokumenten
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
US7321667B2 (en) * 2002-01-18 2008-01-22 Digimarc Corporation Data hiding through arrangement of objects
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
FR2842691B1 (fr) 2002-07-18 2005-01-14 Canon Kk Procede et dispositif de transformation d'un signal numerique
US20060156003A1 (en) * 2002-08-21 2006-07-13 Junbiao Zhang Watermarking digital data at a user device
US7804982B2 (en) 2002-11-26 2010-09-28 L-1 Secure Credentialing, Inc. Systems and methods for managing and detecting fraud in image databases used with identification documents
US7712673B2 (en) 2002-12-18 2010-05-11 L-L Secure Credentialing, Inc. Identification document with three dimensional image of bearer
JP2004260639A (ja) * 2003-02-27 2004-09-16 Hitachi Ltd データ埋め込み方法及び視聴確認方法
WO2004084213A1 (en) 2003-03-17 2004-09-30 Koninklijke Philips Electronics N.V. An apparatus for and a method of storing a real time stream of digital information signals
DE602004030434D1 (de) 2003-04-16 2011-01-20 L 1 Secure Credentialing Inc Dreidimensionale datenspeicherung
US7623661B2 (en) * 2003-09-08 2009-11-24 Deluxe Laboratories Inc. Motion picture encoding and counterfeit tracking system and method
US7386177B2 (en) * 2003-09-30 2008-06-10 Graphic Security Systems Corp. Method and system for encoding images using encoding parameters from multiple sources
EP1678708A1 (de) * 2003-10-17 2006-07-12 Koninklijke Philips Electronics N.V. Signalcodierung
US7744002B2 (en) 2004-03-11 2010-06-29 L-1 Secure Credentialing, Inc. Tamper evident adhesive and identification document including same
JP5013477B2 (ja) 2004-11-09 2012-08-29 トムソン ライセンシング 別個の記憶媒体上のコンテンツの結合
BRPI0807572A2 (pt) * 2007-02-23 2014-07-01 Panasonic Corp Sistema de processamento de dados de proteção de direitos autorais e dispositivo de reprodução
KR100826598B1 (ko) 2007-09-28 2008-04-30 주식회사 한국액센 데이터 재생 장치
US8494161B2 (en) 2009-06-29 2013-07-23 Cisco Technology Inc. Content protection message extraction
SG189354A1 (en) 2010-10-11 2013-05-31 Graphic Security Systems Corp Method for constructing a composite image incorporating a hidden authentication image
CN103891282B (zh) * 2011-03-29 2017-05-17 爱迪德技术有限公司 加水印的内容分段
US9154813B2 (en) 2011-06-09 2015-10-06 Comcast Cable Communications, Llc Multiple video content in a composite video stream
US10945051B1 (en) 2020-04-06 2021-03-09 Bank Of America Corporation System and method for intentionally distorting digital media to reduce the accuracy of generative machine learning algorithms

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3005007B2 (ja) * 1989-12-21 2000-01-31 キヤノン株式会社 画像符号化装置
US5267153A (en) * 1990-04-16 1993-11-30 Fuji Photo Film Co., Ltd. Method and apparatus for storing image signals
JP3217137B2 (ja) * 1992-07-28 2001-10-09 株式会社日立製作所 映像信号記録装置、再生装置及び伝送装置
US5748783A (en) * 1995-05-08 1998-05-05 Digimarc Corporation Method and apparatus for robust information coding
JPH07170521A (ja) * 1993-12-15 1995-07-04 Canon Inc 画像処理装置
JP3329063B2 (ja) * 1994-03-29 2002-09-30 ソニー株式会社 再生装置
US5488664A (en) * 1994-04-22 1996-01-30 Yeda Research And Development Co., Ltd. Method and apparatus for protecting visual information with printed cryptographic watermarks
US5574787A (en) * 1994-07-25 1996-11-12 Ryan; John O. Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
US5530759A (en) * 1995-02-01 1996-06-25 International Business Machines Corporation Color correct digital watermarking of images
US5664018A (en) * 1996-03-12 1997-09-02 Leighton; Frank Thomson Watermarking process resilient to collusion attacks

Also Published As

Publication number Publication date
DE69622837T2 (de) 2003-04-10
WO1997013248A1 (en) 1997-04-10
JP3850035B2 (ja) 2006-11-29
US6131161A (en) 2000-10-10
CN1165901C (zh) 2004-09-08
KR100465359B1 (ko) 2005-04-06
KR980700649A (ko) 1998-03-30
CN1166224A (zh) 1997-11-26
EP0795174B1 (de) 2002-08-07
EP0795174A1 (de) 1997-09-17
JPH10510660A (ja) 1998-10-13

Similar Documents

Publication Publication Date Title
DE69622837T2 (de) Markierung eines digital kodierten video und/oder audio signals
DE69609163D1 (de) Video- und/oder audiosignalmarkierung
DE69533577D1 (de) Kodierungs- und/oder Dekodierungsverfahren eines digitalen Audiosignals
DE69325933T2 (de) Vorrichtung zur digitalen Aufzeichung und/oder Wiedergabe eines Videosignals
EP0627855A3 (de) Aufzeichnung und/oder Wiedergabe von digitalen Videosignalen.
HK1122639A1 (en) Voice signal encoder and voice signal decoder
DE69220920T2 (de) Gerät zur Aufzeichnung und Wiedergabe eines digitalen Audiosignals
DE69633815D1 (de) Vorrichtung zur Codierung und Decodierung eines digitalen Bildsignales
GB2329509B (en) Digital signal recording and reproduction
EP0664646A3 (de) Aufzeichnungs- und Wiedergabegerät für digitale Audio- und Videosignale.
DE69217590T2 (de) Verfahren und Einrichtung zur Kodierung eines digitalen Audiosignals
DE69731912D1 (de) Digitaler Lautsprecher und Tonwiedergabeanordnung mit einem solchen Lautsprecher
GB9523116D0 (en) Digital signal record apparatus and playback apparatus
DE69413285T2 (de) Kodierung eines digitalen Videosignals
EP0748130A3 (de) Aufnahme und Wiedergabe von digitalen Signalen
DE69727743D1 (de) Digitalsignalaufzeichnungsverfahren und -gerät
SG89239A1 (en) Analog signal amplifier and audio signal amplifier
DE69318257T2 (de) Verfahren und Gerät zur Umwandlung eines digitalen Audiosignals
DE59506242D1 (de) Schaltungsanordnung zur aufbereitung und a/d-wandlung eines analogen signals
DE69923911D1 (de) Vorrichtung zur Übertragung und Wiedergabe eines digitalen Audiosignales
DE69719305D1 (de) Übertragung, aufzeichnung und wiedergabe eines digitalen informationssignals
EP0618724A3 (de) Aufzeichnungs-und Wiedergabegerät für digitale Signale.
DE69808688D1 (de) Aufzeichnung und Wiedergabe eines digitalen Videosignals
DE69612894D1 (de) Aufzeichnung und/oder Wiedergabe von digitalen Signalen
DE69720324T2 (de) System zur Aufzeichnung und/oder Wiedergabe eines digitalen Audiopulskodemodulationssignals

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee