CA2265647A1 - Procede et systeme de gestion d'acces a des donnees par la transformation des donnees - Google Patents

Procede et systeme de gestion d'acces a des donnees par la transformation des donnees

Info

Publication number
CA2265647A1
CA2265647A1 CA002265647A CA2265647A CA2265647A1 CA 2265647 A1 CA2265647 A1 CA 2265647A1 CA 002265647 A CA002265647 A CA 002265647A CA 2265647 A CA2265647 A CA 2265647A CA 2265647 A1 CA2265647 A1 CA 2265647A1
Authority
CA
Canada
Prior art keywords
data
access
management information
management
managing access
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.)
Granted
Application number
CA002265647A
Other languages
English (en)
Other versions
CA2265647C (fr
Inventor
Kunihiko Miwa
Hiroya Kobayashi
Norishige Morimoto
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.)
International Business Machines Corp
Original Assignee
Individual
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
Priority claimed from PCT/JP1997/000957 external-priority patent/WO1998016926A1/fr
Priority claimed from PCT/JP1997/002286 external-priority patent/WO1998016927A1/fr
Application filed by Individual filed Critical Individual
Publication of CA2265647A1 publication Critical patent/CA2265647A1/fr
Application granted granted Critical
Publication of CA2265647C publication Critical patent/CA2265647C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0051—Embedding of the watermark in the spatial domain
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0083—Image watermarking whereby only watermarked image required at decoder, e.g. source-based, blind, oblivious
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91314—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91321—Television 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91328—Television 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 management signal, e.g. a copy generation management signal [CGMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Editing Of Facsimile Originals (AREA)
CA002265647A 1996-10-16 1997-08-12 Procede et systeme de gestion d'acces a des donnees par la transformation des donnees Expired - Lifetime CA2265647C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP08/273551 1996-10-16
JP27355196 1996-10-16
PCT/JP1997/000957 WO1998016926A1 (fr) 1996-10-16 1997-03-21 Procede d'enregistrement de donnees dans des supports d'enregistrement, procede et systeme permettant d'acceder a des donnees memorisees dans des supports d'enregistrement
WOJP97/00957 1997-03-21
WOJP97/02286 1997-06-30
PCT/JP1997/002286 WO1998016927A1 (fr) 1996-10-16 1997-06-30 Procede d'enregistrement de donnees de support sur un support d'enregistrement et procede et systeme permettant d'acceder aux donnees de support enregistrees sur ledit support
PCT/JP1997/002822 WO1998016928A1 (fr) 1996-10-16 1997-08-12 Procede et systeme de gestion d'acces a des donnees

Publications (2)

Publication Number Publication Date
CA2265647A1 true CA2265647A1 (fr) 1998-04-23
CA2265647C CA2265647C (fr) 2003-09-23

Family

ID=27308277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002265647A Expired - Lifetime CA2265647C (fr) 1996-10-16 1997-08-12 Procede et systeme de gestion d'acces a des donnees par la transformation des donnees

Country Status (2)

Country Link
CA (1) CA2265647C (fr)
WO (1) WO1998016928A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006722A2 (fr) * 1998-12-03 2000-06-07 Pioneer Corporation Procédé et appareil pour limiter la copie d'information numérique, et appareil pour enregistrer de l'information numérique

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3975308B2 (ja) 1998-07-15 2007-09-12 ソニー株式会社 情報信号再生システム、情報信号読み出し装置、情報信号処理装置、情報信号再生方法、情報信号読み出し方法、および、情報信号処理方法
JP3978559B2 (ja) * 1998-11-13 2007-09-19 インターナショナル・ビジネス・マシーンズ・コーポレーション デジタルデータ管理方法および装置
KR100746018B1 (ko) * 1999-03-10 2007-08-06 디지맥 코포레이션 디지털 저작권 관리를 위한 신호 프로세싱 방법들, 디바이스들, 및 응용들
US7069590B1 (en) * 2000-02-17 2006-06-27 Microsoft Corporation System and method for protecting data streams in hardware components
CN1279532C (zh) * 2000-10-31 2006-10-11 索尼公司 用于记录/播放嵌入附加信息的音频数据的装置及方法
TWI244645B (en) 2002-01-28 2005-12-01 Sony Corp Information recording apparatus and method, information reproduction apparatus and method, information recording medium, program storage medium
US9639912B2 (en) * 2014-12-30 2017-05-02 University Of Macau Method for reversible image data hiding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2512008B2 (ja) * 1987-09-21 1996-07-03 マクロビジョン・コーポレーション ビデオ信号から疑似同期パルスおよび／またはａｇｃパルスを除去する方法および装置
US5319735A (en) * 1991-12-17 1994-06-07 Bolt Beranek And Newman Inc. Embedded signalling
JP3114339B2 (ja) * 1992-03-13 2000-12-04 ソニー株式会社 記録装置、再生装置、出力装置、データ記録方法、データ再生方法およびデータ出力方法
JP3604161B2 (ja) * 1993-03-31 2004-12-22 ソニー株式会社 違法コピー排除方法
JP3599795B2 (ja) * 1993-09-03 2004-12-08 株式会社東芝 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
JP3580041B2 (ja) * 1995-08-31 2004-10-20 ソニー株式会社 信号記録方法、信号送信方法及び装置、並びに信号受信方法及び装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006722A2 (fr) * 1998-12-03 2000-06-07 Pioneer Corporation Procédé et appareil pour limiter la copie d'information numérique, et appareil pour enregistrer de l'information numérique

Also Published As

Publication number Publication date
CA2265647C (fr) 2003-09-23
WO1998016928A1 (fr) 1998-04-23

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Legal Events

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EEER Examination request
MKEX Expiry

Effective date: 20170814

MKEX Expiry

Effective date: 20170814