ATE545110T1 - Mehrstufiges wasserzeichenverfahren und -system - Google Patents

Mehrstufiges wasserzeichenverfahren und -system

Info

Publication number
ATE545110T1
ATE545110T1 AT01130703T AT01130703T ATE545110T1 AT E545110 T1 ATE545110 T1 AT E545110T1 AT 01130703 T AT01130703 T AT 01130703T AT 01130703 T AT01130703 T AT 01130703T AT E545110 T1 ATE545110 T1 AT E545110T1
Authority
AT
Austria
Prior art keywords
watermark
watermarking process
describes
generates
target document
Prior art date
Application number
AT01130703T
Other languages
English (en)
Inventor
Xin Wang
Steve A Okamoto
Russel R Lear
Nancy L Ishigo
Original Assignee
Contentguard Holdings Inc
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 Contentguard Holdings Inc filed Critical Contentguard Holdings Inc
Application granted granted Critical
Publication of ATE545110T1 publication Critical patent/ATE545110T1/de

Links

Classifications

    • 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
    • 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
    • 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
    • H04N1/32315—Selecting a particular method from amongst a plurality of methods
    • 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
AT01130703T 2000-12-29 2001-12-21 Mehrstufiges wasserzeichenverfahren und -system ATE545110T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/749,895 US6912294B2 (en) 2000-12-29 2000-12-29 Multi-stage watermarking process and system

Publications (1)

Publication Number Publication Date
ATE545110T1 true ATE545110T1 (de) 2012-02-15

Family

ID=25015658

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01130703T ATE545110T1 (de) 2000-12-29 2001-12-21 Mehrstufiges wasserzeichenverfahren und -system

Country Status (5)

Country Link
US (4) US6912294B2 (de)
EP (1) EP1220151B1 (de)
AT (1) ATE545110T1 (de)
CA (1) CA2366326C (de)
ES (1) ES2379532T3 (de)

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US7907749B2 (en) 2011-03-15
CA2366326C (en) 2009-06-09
US20020126869A1 (en) 2002-09-12
US7184571B2 (en) 2007-02-27
ES2379532T3 (es) 2012-04-27
US20100002907A1 (en) 2010-01-07
US6912294B2 (en) 2005-06-28
US7609848B2 (en) 2009-10-27
EP1220151A2 (de) 2002-07-03
EP1220151A3 (de) 2004-02-04
US20050283611A1 (en) 2005-12-22
CA2366326A1 (en) 2002-06-29
US20050280876A1 (en) 2005-12-22
EP1220151B1 (de) 2012-02-08

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