GB0019985D0 - Identifying material - Google Patents

Identifying material

Info

Publication number
GB0019985D0
GB0019985D0 GBGB0019985.1A GB0019985A GB0019985D0 GB 0019985 D0 GB0019985 D0 GB 0019985D0 GB 0019985 A GB0019985 A GB 0019985A GB 0019985 D0 GB0019985 D0 GB 0019985D0
Authority
GB
United Kingdom
Prior art keywords
identifying material
identifying
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Withdrawn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
GBGB0019985.1A
Other versions
GB2361136A (en
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 Europe Ltd
Original Assignee
Sony United Kingdom Ltd
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 United Kingdom Ltd filed Critical Sony United Kingdom Ltd
Publication of GB0019985D0 publication Critical patent/GB0019985D0/en
Priority to JP2001573396A priority Critical patent/JP4733332B2/en
Priority to EP01917281A priority patent/EP1190386B1/en
Priority to PCT/GB2001/001492 priority patent/WO2001075794A2/en
Priority to DE60144315T priority patent/DE60144315D1/en
Priority to CN01801491.7A priority patent/CN1296864C/en
Priority to AU44364/01A priority patent/AU4436401A/en
Publication of GB2361136A publication Critical patent/GB2361136A/en
Priority to US10/011,225 priority patent/US7818577B2/en
Priority to US11/943,459 priority patent/US7840816B2/en
Withdrawn legal-status Critical Current

Links

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]
    • H04N21/80—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
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • 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
    • 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
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
    • 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
    • G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • 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
    • G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
    • G11B20/00173—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software wherein the origin of the content is checked, e.g. determining whether the content has originally been retrieved from a legal disc copy or another trusted source
    • 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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
    • H04N2201/3235—Checking or certification of the authentication information, e.g. by comparison with data stored independently
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
    • H04N2201/3236—Details of authentication information generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
GB0019985A 2000-04-05 2000-08-14 Watermarking and signature generation Withdrawn GB2361136A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2001573396A JP4733332B2 (en) 2000-04-05 2001-03-30 Material identification method
EP01917281A EP1190386B1 (en) 2000-04-05 2001-03-30 Identifying material
PCT/GB2001/001492 WO2001075794A2 (en) 2000-04-05 2001-03-30 Identifying material
DE60144315T DE60144315D1 (en) 2000-04-05 2001-03-30 MATERIAL IDENTIFICATION
CN01801491.7A CN1296864C (en) 2000-04-05 2001-03-30 Identifying material
AU44364/01A AU4436401A (en) 2000-04-05 2001-03-30 Identifying material
US10/011,225 US7818577B2 (en) 2000-04-05 2001-12-04 Identifying material using a watermark and a signature
US11/943,459 US7840816B2 (en) 2000-04-05 2007-11-20 Identifying material stored using a signature as a retrieval index

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0008437.6A GB0008437D0 (en) 2000-04-05 2000-04-05 Identifying material

Publications (2)

Publication Number Publication Date
GB0019985D0 true GB0019985D0 (en) 2000-10-04
GB2361136A GB2361136A (en) 2001-10-10

Family

ID=9889316

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0008437.6A Ceased GB0008437D0 (en) 2000-04-05 2000-04-05 Identifying material
GB0019985A Withdrawn GB2361136A (en) 2000-04-05 2000-08-14 Watermarking and signature generation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0008437.6A Ceased GB0008437D0 (en) 2000-04-05 2000-04-05 Identifying material

Country Status (3)

Country Link
JP (1) JP4733332B2 (en)
DE (1) DE60144315D1 (en)
GB (2) GB0008437D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2386782B (en) * 2002-03-22 2005-09-21 Sony Uk Ltd Material storage
CN1327393C (en) * 2002-07-26 2007-07-18 皇家飞利浦电子股份有限公司 Identification of digital data sequences
JP2007528017A (en) * 2003-07-11 2007-10-04 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 Digital watermark embedding and detection
US7382905B2 (en) * 2004-02-11 2008-06-03 Microsoft Corporation Desynchronized fingerprinting method and system for digital multimedia data
GB2419222B (en) * 2004-10-15 2007-05-30 Zootech Ltd Copy deterrent for an audiovisual product
TW200642503A (en) * 2005-03-03 2006-12-01 Nokia Corp A method to handover dedicated and shared resources while in dual transfer mode
FR2887350A1 (en) * 2005-06-21 2006-12-22 France Telecom Data medium e.g. DVD, content e.g. audio data, securing method for mobile, involves authenticating content by correlation of two control data, if integrity signature is correct, and continuing reading of content if authentication is correct
US8984577B2 (en) * 2010-09-08 2015-03-17 Microsoft Technology Licensing, Llc Content signaturing

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6233684B1 (en) * 1997-02-28 2001-05-15 Contenaguard Holdings, Inc. System for controlling the distribution and use of rendered digital works through watermaking
JP3539146B2 (en) * 1997-08-11 2004-07-07 日本電信電話株式会社 Use condition violation check method and apparatus for work, and storage medium storing program for use condition violation check for work
DE69836455T2 (en) * 1997-08-20 2007-03-29 Canon K.K. Electronic watermarking system, electronic information distribution system and device for storing images
JP3104676B2 (en) * 1998-05-13 2000-10-30 日本電気株式会社 Digital watermark system, digital watermark insertion / detection method, and recording medium storing control program therefor
JP3615657B2 (en) * 1998-05-27 2005-02-02 株式会社日立製作所 Video search method and apparatus, and recording medium
JP3941225B2 (en) * 1998-05-28 2007-07-04 ソニー株式会社 Information playback / recording device
JP2000078125A (en) * 1998-08-28 2000-03-14 Hitachi Ltd Method for generating electronic data able to be authenticated
JP2000152148A (en) * 1998-11-13 2000-05-30 Hitachi Ltd Electronic camera
GB9905777D0 (en) * 1999-03-12 1999-05-05 Univ London A method and apparatus for generating multiple watermarked copies of an information signal

Also Published As

Publication number Publication date
JP2003529987A (en) 2003-10-07
JP4733332B2 (en) 2011-07-27
GB0008437D0 (en) 2000-05-24
DE60144315D1 (en) 2011-05-12
GB2361136A (en) 2001-10-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)