AU2001229362A1 - Watermark embedder and reader - Google Patents

Watermark embedder and reader

Info

Publication number
AU2001229362A1
AU2001229362A1 AU2001229362A AU2936201A AU2001229362A1 AU 2001229362 A1 AU2001229362 A1 AU 2001229362A1 AU 2001229362 A AU2001229362 A AU 2001229362A AU 2936201 A AU2936201 A AU 2936201A AU 2001229362 A1 AU2001229362 A1 AU 2001229362A1
Authority
AU
Australia
Prior art keywords
reader
watermark embedder
embedder
watermark
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.)
Abandoned
Application number
AU2001229362A
Inventor
Ammon E. Gustafson
Geoffrey B Rhoads
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.)
Digimarc Corp
Original Assignee
Digimarc 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 Digimarc Corp filed Critical Digimarc Corp
Publication of AU2001229362A1 publication Critical patent/AU2001229362A1/en
Abandoned legal-status Critical Current

Links

Classifications

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    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
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    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
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    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
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    • G06Q20/00—Payment architectures, schemes or protocols
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AU2001229362A 2000-01-13 2001-01-11 Watermark embedder and reader Abandoned AU2001229362A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US48274900A 2000-01-13 2000-01-13
US09482749 2000-01-13
US09/503,881 US6614914B1 (en) 1995-05-08 2000-02-14 Watermark embedder and reader
US09503881 2000-02-14
PCT/US2001/000884 WO2001052181A1 (en) 2000-01-13 2001-01-11 Watermark embedder and reader

Publications (1)

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AU2001229362A1 true AU2001229362A1 (en) 2001-07-24

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AU2001229362A Abandoned AU2001229362A1 (en) 2000-01-13 2001-01-11 Watermark embedder and reader

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US (6) US6614914B1 (en)
AU (1) AU2001229362A1 (en)
WO (1) WO2001052181A1 (en)

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US20040264735A1 (en) 2004-12-30
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