CA2224317A1 - Procedure for marking binary coded data sets - Google Patents

Procedure for marking binary coded data sets

Info

Publication number
CA2224317A1
CA2224317A1 CA002224317A CA2224317A CA2224317A1 CA 2224317 A1 CA2224317 A1 CA 2224317A1 CA 002224317 A CA002224317 A CA 002224317A CA 2224317 A CA2224317 A CA 2224317A CA 2224317 A1 CA2224317 A1 CA 2224317A1
Authority
CA
Canada
Prior art keywords
data sets
coded data
procedure
binary coded
data set
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
CA002224317A
Other languages
French (fr)
Other versions
CA2224317C (en
Inventor
Eckhard Koch
Jian Zhao
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.)
Mediasec Technologies GmbH
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
Application filed by Individual filed Critical Individual
Publication of CA2224317A1 publication Critical patent/CA2224317A1/en
Application granted granted Critical
Publication of CA2224317C publication Critical patent/CA2224317C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Abstract

Disclosed is a method of marking binary-coded data sets, especially image data or audio signals, by applying at least one information unit to a data set. The invention is characterised by the generation of a discrete position sequence for the application of information units to the data set to be marked, taking into account data-specific characteristics and using a key; and by the fact that the information unit to be applied is written and read at the positions established in the position sequence in the data set.
CA002224317A 1995-06-16 1996-06-14 Procedure for marking binary coded data sets Expired - Lifetime CA2224317C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19521969A DE19521969C1 (en) 1995-06-16 1995-06-16 Method for marking binary coded data sets
DE19521969.4 1995-06-16
PCT/DE1996/001057 WO1997000578A1 (en) 1995-06-16 1996-06-14 Method of marking binary-coded data sets

Publications (2)

Publication Number Publication Date
CA2224317A1 true CA2224317A1 (en) 1997-01-03
CA2224317C CA2224317C (en) 2006-05-30

Family

ID=7764551

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002224317A Expired - Lifetime CA2224317C (en) 1995-06-16 1996-06-14 Procedure for marking binary coded data sets

Country Status (11)

Country Link
US (1) US6359985B1 (en)
EP (1) EP0879535B1 (en)
JP (1) JP3709205B2 (en)
AT (1) ATE196221T1 (en)
CA (1) CA2224317C (en)
DE (2) DE19521969C1 (en)
DK (1) DK0879535T3 (en)
ES (1) ES2152530T3 (en)
GR (1) GR3035000T3 (en)
PT (1) PT879535E (en)
WO (1) WO1997000578A1 (en)

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US6744906B2 (en) 1995-05-08 2004-06-01 Digimarc Corporation Methods and systems using multiple watermarks
US7555139B2 (en) 1995-05-08 2009-06-30 Digimarc Corporation Secure documents with hidden signals, and related methods and systems
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
US6577746B1 (en) 1999-12-28 2003-06-10 Digimarc Corporation Watermark-based object linking and embedding
US6788800B1 (en) 2000-07-25 2004-09-07 Digimarc Corporation Authenticating objects using embedded data
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US6229924B1 (en) * 1996-05-16 2001-05-08 Digimarc Corporation Method and apparatus for watermarking video images
US7366908B2 (en) 1996-08-30 2008-04-29 Digimarc Corporation Digital watermarking with content dependent keys and autocorrelation properties for synchronization
US6131162A (en) * 1997-06-05 2000-10-10 Hitachi Ltd. Digital data authentication method
US7054463B2 (en) 1998-01-20 2006-05-30 Digimarc Corporation Data encoding using frail watermarks
US7602940B2 (en) 1998-04-16 2009-10-13 Digimarc Corporation Steganographic data hiding using a device clock
US6978036B2 (en) * 1998-07-31 2005-12-20 Digimarc Corporation Tamper-resistant authentication techniques for identification documents
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JP3496613B2 (en) * 2000-02-10 2004-02-16 日本電気株式会社 Digital content copy control method and apparatus
US6625297B1 (en) * 2000-02-10 2003-09-23 Digimarc Corporation Self-orienting watermarks
US6804377B2 (en) 2000-04-19 2004-10-12 Digimarc Corporation Detecting information hidden out-of-phase in color channels
US7305104B2 (en) * 2000-04-21 2007-12-04 Digimarc Corporation Authentication of identification documents using digital watermarks
US7246239B2 (en) * 2001-01-24 2007-07-17 Digimarc Corporation Digital watermarks for checking authenticity of printed objects
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US6993150B2 (en) * 2001-01-24 2006-01-31 Digimarc Corporation Halftone primitive watermarking and related applications
US8050452B2 (en) * 2001-03-22 2011-11-01 Digimarc Corporation Quantization-based data embedding in mapped data
US7376242B2 (en) * 2001-03-22 2008-05-20 Digimarc Corporation Quantization-based data embedding in mapped data
DE10118527C2 (en) * 2001-04-14 2003-02-20 Recognitec Ges Fuer Digitale B Procedure for checking the integrity of binary data
US7607016B2 (en) * 2001-04-20 2009-10-20 Digimarc Corporation Including a metric in a digital watermark for media authentication
US7393623B2 (en) * 2001-06-06 2008-07-01 Spectra Systems Corporation Incorporation of markings in optical media
MXPA03011293A (en) * 2001-06-06 2004-02-26 Spectra Systems Corp Marking and authenticating articles.
DE10134682B4 (en) 2001-07-20 2009-07-30 Mediasec Technologies Gmbh Method and device for confirming the authenticity of a document and electronic safe for storing the data
US7392394B2 (en) * 2001-12-13 2008-06-24 Digimarc Corporation Digital watermarking with variable orientation and protocols
US7006662B2 (en) * 2001-12-13 2006-02-28 Digimarc Corporation Reversible watermarking using expansion, rate control and iterative embedding
US7392392B2 (en) * 2001-12-13 2008-06-24 Digimarc Corporation Forensic digital watermarking with variable orientation and protocols
US7231061B2 (en) 2002-01-22 2007-06-12 Digimarc Corporation Adaptive prediction filtering for digital watermarking
US7567721B2 (en) * 2002-01-22 2009-07-28 Digimarc Corporation Digital watermarking of low bit rate video
EP1349368A1 (en) * 2002-03-18 2003-10-01 Mediasec Technologies GmbH Method for marking a dataset
DE10211982B4 (en) * 2002-03-18 2004-05-06 Mediasec Technologies Gmbh Method for marking a data record
US7974495B2 (en) * 2002-06-10 2011-07-05 Digimarc Corporation Identification and protection of video
US7577841B2 (en) 2002-08-15 2009-08-18 Digimarc Corporation Watermark placement in watermarking of time varying media signals
US7024575B2 (en) * 2002-11-14 2006-04-04 Intel Corporation Apparatus and method for time synchronization of a plurality of multimedia streams
US7356618B2 (en) * 2003-12-31 2008-04-08 Intel Corporation Method and system for synchronizing platform clocks in a distributed wireless platform
US7266713B2 (en) * 2004-01-09 2007-09-04 Intel Corporation Apparatus and method for adaptation of time synchronization of a plurality of multimedia streams
JP4507189B2 (en) * 2004-02-18 2010-07-21 株式会社リコー Image processing method, apparatus, program, and recording medium
WO2007067168A1 (en) * 2005-12-05 2007-06-14 Thomson Licensing Watermarking encoded content
US20090060257A1 (en) * 2007-08-29 2009-03-05 Korea Advanced Institute Of Science And Technology Watermarking method resistant to geometric attack in wavelet transform domain
US8565472B2 (en) * 2007-10-30 2013-10-22 General Instrument Corporation Method, device and system for dynamically embedding watermark information into multimedia content
US9075961B2 (en) * 2013-09-10 2015-07-07 Crimsonlogic Pte Ltd Method and system for embedding data in a text document
US9798948B2 (en) * 2015-07-31 2017-10-24 Datalogic IP Tech, S.r.l. Optical character recognition localization tool
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Also Published As

Publication number Publication date
PT879535E (en) 2001-03-30
JP2000515691A (en) 2000-11-21
US6359985B1 (en) 2002-03-19
DK0879535T3 (en) 2001-01-02
WO1997000578A1 (en) 1997-01-03
GR3035000T3 (en) 2001-03-30
CA2224317C (en) 2006-05-30
EP0879535A1 (en) 1998-11-25
ATE196221T1 (en) 2000-09-15
JP3709205B2 (en) 2005-10-26
DE19521969C1 (en) 1997-02-27
EP0879535B1 (en) 2000-09-06
ES2152530T3 (en) 2001-02-01
DE59605853D1 (en) 2000-10-12

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20160614

MKEX Expiry

Effective date: 20160614