JP2004054710A - 情報処理装置、情報処理方法および情報処理システム - Google Patents

情報処理装置、情報処理方法および情報処理システム Download PDF

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Publication number
JP2004054710A
JP2004054710A JP2002213007A JP2002213007A JP2004054710A JP 2004054710 A JP2004054710 A JP 2004054710A JP 2002213007 A JP2002213007 A JP 2002213007A JP 2002213007 A JP2002213007 A JP 2002213007A JP 2004054710 A JP2004054710 A JP 2004054710A
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JP
Japan
Prior art keywords
information
signal
information processing
processing method
processing apparatus
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.)
Abandoned
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JP2002213007A
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English (en)
Japanese (ja)
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JP2004054710A5 (enExample
Inventor
Jun Hirai
平井　純
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.)
Sony Corp
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Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP2002213007A priority Critical patent/JP2004054710A/ja
Priority to US10/623,989 priority patent/US20040025024A1/en
Publication of JP2004054710A publication Critical patent/JP2004054710A/ja
Publication of JP2004054710A5 publication Critical patent/JP2004054710A5/ja
Abandoned legal-status Critical Current

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    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Image Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2002213007A 2002-07-22 2002-07-22 情報処理装置、情報処理方法および情報処理システム Abandoned JP2004054710A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002213007A JP2004054710A (ja) 2002-07-22 2002-07-22 情報処理装置、情報処理方法および情報処理システム
US10/623,989 US20040025024A1 (en) 2002-07-22 2003-07-21 Information processing apparatus and information processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002213007A JP2004054710A (ja) 2002-07-22 2002-07-22 情報処理装置、情報処理方法および情報処理システム

Publications (2)

Publication Number Publication Date
JP2004054710A true JP2004054710A (ja) 2004-02-19
JP2004054710A5 JP2004054710A5 (enExample) 2005-10-27

Family

ID=31184436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002213007A Abandoned JP2004054710A (ja) 2002-07-22 2002-07-22 情報処理装置、情報処理方法および情報処理システム

Country Status (2)

Country Link
US (1) US20040025024A1 (enExample)
JP (1) JP2004054710A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008131295A (ja) * 2006-11-20 2008-06-05 Sharp Corp 画像処理装置
JP2012505486A (ja) * 2008-10-14 2012-03-01 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ コンテンツアイテム識別子

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8006313B1 (en) * 2004-01-23 2011-08-23 The Math Works, Inc. Non-machine specific optical-media based copy protection
WO2005074597A2 (en) * 2004-02-03 2005-08-18 Mark Nair System and method for protecting digital works using a watermark gateway
US20070242852A1 (en) * 2004-12-03 2007-10-18 Interdigital Technology Corporation Method and apparatus for watermarking sensed data
US7272240B2 (en) * 2004-12-03 2007-09-18 Interdigital Technology Corporation Method and apparatus for generating, sensing, and adjusting watermarks
US7321761B2 (en) 2004-12-03 2008-01-22 Interdigital Technology Corporation Method and apparatus for preventing unauthorized data from being transferred
JP2009509458A (ja) * 2005-09-22 2009-03-05 トムソン ライセンシング ディジタル映写機に透かしを入れるシステム及び方法
US20080205848A1 (en) * 2007-02-28 2008-08-28 Victor Company Of Japan, Ltd. Imaging apparatus and reproducing apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY112755A (en) * 1995-06-06 2001-08-30 Sony Corp Information data reproducing system, reproducing apparatus, reproducing method, data forming apparatus and data record medium
WO1998003014A1 (en) * 1996-07-16 1998-01-22 Philips Electronics N.V. Detecting a watermark embedded in an information signal
CN1220756A (zh) * 1997-01-27 1999-06-23 皇家菲利浦电子有限公司 记录信号的复制保护系统
US6233684B1 (en) * 1997-02-28 2001-05-15 Contenaguard Holdings, Inc. System for controlling the distribution and use of rendered digital works through watermaking
JP3902863B2 (ja) * 1997-09-03 2007-04-11 株式会社日立製作所 データ重畳方法とデータ再生方法、及び、情報埋め込み方法と情報読みだし方法
US6330672B1 (en) * 1997-12-03 2001-12-11 At&T Corp. Method and apparatus for watermarking digital bitstreams
JP3570213B2 (ja) * 1998-03-27 2004-09-29 株式会社日立製作所 電子透かし画像処理方法
IL129725A (en) * 1999-05-02 2011-06-30 Nds Ltd Watermark system
JP2001275115A (ja) * 2000-03-23 2001-10-05 Nec Corp 電子すかしデータ挿入装置および検出装置
US7111168B2 (en) * 2000-05-01 2006-09-19 Digimarc Corporation Digital watermarking systems
US7249257B2 (en) * 2001-03-05 2007-07-24 Digimarc Corporation Digitally watermarked maps and signs and related navigational tools
US7043050B2 (en) * 2001-05-02 2006-05-09 Microsoft Corporation Software anti-piracy systems and methods utilizing certificates with digital content

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008131295A (ja) * 2006-11-20 2008-06-05 Sharp Corp 画像処理装置
JP2012505486A (ja) * 2008-10-14 2012-03-01 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ コンテンツアイテム識別子

Also Published As

Publication number Publication date
US20040025024A1 (en) 2004-02-05

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