DE69940586D1 - Verfahren und Gerät zum digitalen Wasserzeichnen - Google Patents

Verfahren und Gerät zum digitalen Wasserzeichnen

Info

Publication number
DE69940586D1
DE69940586D1 DE69940586T DE69940586T DE69940586D1 DE 69940586 D1 DE69940586 D1 DE 69940586D1 DE 69940586 T DE69940586 T DE 69940586T DE 69940586 T DE69940586 T DE 69940586T DE 69940586 D1 DE69940586 D1 DE 69940586D1
Authority
DE
Germany
Prior art keywords
digital watermarking
watermarking
digital
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 - Lifetime
Application number
DE69940586T
Other languages
English (en)
Inventor
Hiroshi Ogawa
Takao Nakamura
Atsuki Tomioka
Youichi Takashima
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE69940586D1 publication Critical patent/DE69940586D1/de
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—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
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32154—Transform domain methods
    • 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
    • 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
    • G06T2201/0052—Embedding of the watermark in the frequency 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
DE69940586T 1998-09-04 1999-09-01 Verfahren und Gerät zum digitalen Wasserzeichnen Expired - Lifetime DE69940586D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP25119398 1998-09-04
JP3054099 1999-02-08
JP4071399 1999-02-18
JP11807299 1999-04-26

Publications (1)

Publication Number Publication Date
DE69940586D1 true DE69940586D1 (de) 2009-04-30

Family

ID=27459274

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940586T Expired - Lifetime DE69940586D1 (de) 1998-09-04 1999-09-01 Verfahren und Gerät zum digitalen Wasserzeichnen

Country Status (3)

Country Link
US (5) US6704431B1 (de)
EP (4) EP2066107A1 (de)
DE (1) DE69940586D1 (de)

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Also Published As

Publication number Publication date
US20050175214A1 (en) 2005-08-11
EP2066109A8 (de) 2010-07-28
US7072492B2 (en) 2006-07-04
US20040071312A1 (en) 2004-04-15
EP0984616A3 (de) 2002-12-04
US20070067636A1 (en) 2007-03-22
US7640431B2 (en) 2009-12-29
EP2066109A1 (de) 2009-06-03
EP2066107A1 (de) 2009-06-03
US20100131768A1 (en) 2010-05-27
EP0984616B1 (de) 2009-03-18
EP0984616A2 (de) 2000-03-08
US6704431B1 (en) 2004-03-09
EP2066108A1 (de) 2009-06-03

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