AU4551501A - Authentication using a digital watermark - Google Patents

Authentication using a digital watermark

Info

Publication number
AU4551501A
AU4551501A AU4551501A AU4551501A AU4551501A AU 4551501 A AU4551501 A AU 4551501A AU 4551501 A AU4551501 A AU 4551501A AU 4551501 A AU4551501 A AU 4551501A AU 4551501 A AU4551501 A AU 4551501A
Authority
AU
Australia
Prior art keywords
authentication
digital watermark
watermark
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.)
Pending
Application number
AU4551501A
Inventor
Nabil M Lawandy
Scott Andrew Tillotson
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.)
Spectra Science Corp
Original Assignee
Spectra Science 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
Priority to US18803600P priority Critical
Priority to US22207900P priority
Application filed by Spectra Science Corp filed Critical Spectra Science Corp
Priority to PCT/US2001/007376 priority patent/WO2001067375A1/en
Priority to US09/801,445 priority patent/US20010037455A1/en
Publication of AU4551501A publication Critical patent/AU4551501A/en
Application status is Pending legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/14Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/12Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks
AU4551501A 2000-03-09 2001-03-08 Authentication using a digital watermark Pending AU4551501A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US18803600P true 2000-03-09 2000-03-09
US22207900P true 2000-08-01 2000-08-01
PCT/US2001/007376 WO2001067375A1 (en) 2000-03-09 2001-03-08 Authentication using a digital watermark
US09/801,445 US20010037455A1 (en) 2000-03-09 2001-03-08 Authentication using a digital watermark

Publications (1)

Publication Number Publication Date
AU4551501A true AU4551501A (en) 2001-09-17

Family

ID=27392342

Family Applications (1)

Application Number Title Priority Date Filing Date
AU4551501A Pending AU4551501A (en) 2000-03-09 2001-03-08 Authentication using a digital watermark

Country Status (2)

Country Link
AU (1) AU4551501A (en)
WO (1) WO2001067375A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7220535B2 (en) * 2001-06-06 2007-05-22 Spectra Systems Corporation Marking and authenticating articles
US7207491B2 (en) 2001-11-09 2007-04-24 International Barcode Corporation System and method for generating a combined bar code image
PT1454180E (en) 2001-11-09 2007-10-26 Int Barcode Corp System and method for embedding characters in a bar of a bar code
AU2002351216A1 (en) * 2001-11-30 2003-06-17 International Barcode Corporation System and method for validating a digital image and corresponding data
US7322514B2 (en) 2001-11-30 2008-01-29 International Barcode Corporation Method for identifying and authenticating goods using codes, barcodes and radio frequency identification
US7809172B2 (en) 2005-11-07 2010-10-05 International Barcode Corporation Method and system for generating and linking composite images
FR2899361B1 (en) 2006-03-31 2009-03-06 Arjowiggins Soc Par Actions Si Method for reading at least one bar code reading system and a bar code.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2858685C2 (en) * 1978-07-06 1989-06-29 Gao Gesellschaft Fuer Automation Und Organisation Mbh, 8000 Muenchen, De
US5804803A (en) * 1996-04-02 1998-09-08 International Business Machines Corporation Mechanism for retrieving information using data encoded on an object
US5875249A (en) * 1997-01-08 1999-02-23 International Business Machines Corporation Invisible image watermark for image verification
US5962834A (en) * 1997-03-17 1999-10-05 Markman; Herbert L. Inventory tracking and management apparatus with multi-function encoding unit
US5963134A (en) * 1997-07-24 1999-10-05 Checkpoint Systems, Inc. Inventory system using articles with RFID tags
US6252971B1 (en) * 1998-04-29 2001-06-26 Xerox Corporation Digital watermarking using phase-shifted stoclustic screens

Also Published As

Publication number Publication date
WO2001067375A1 (en) 2001-09-13

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