AU2002223934A1 - Hiding images in halftone pictures - Google Patents

Hiding images in halftone pictures

Info

Publication number
AU2002223934A1
AU2002223934A1 AU2002223934A AU2393402A AU2002223934A1 AU 2002223934 A1 AU2002223934 A1 AU 2002223934A1 AU 2002223934 A AU2002223934 A AU 2002223934A AU 2393402 A AU2393402 A AU 2393402A AU 2002223934 A1 AU2002223934 A1 AU 2002223934A1
Authority
AU
Australia
Prior art keywords
pattern
representation
halftone
hidden
hiding
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
AU2002223934A
Inventor
Joseph Rosen
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.)
S H HI START Ltd
Original Assignee
S H HI START Ltd
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 S H HI START Ltd filed Critical S H HI START Ltd
Publication of AU2002223934A1 publication Critical patent/AU2002223934A1/en
Abandoned 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Graft Or Block Polymers (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

A method for hiding at least one pattern within a visible representation of the other different pattern is presented. The method is carried out by an encoding device and consists of selecting a predetermined key function, and utilizing this function to cerate a binary halftone representation of the visible pattern, in which said at least one pattern is hidden. This halftone representation is such that each cell therein has halftone dots' position distribution corresponding to the gray-level distribution of the at least one hidden pattern. By processing the binary halftone representation by a two-dimensional spatial correlator based on the key function, data representative of the at least one hidden pattern can be extracted.
AU2002223934A 2000-11-22 2001-11-21 Hiding images in halftone pictures Abandoned AU2002223934A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25260000P 2000-11-22 2000-11-22
US60/252,600 2000-11-22
PCT/IB2001/002194 WO2002043000A2 (en) 2000-11-22 2001-11-21 Hiding images in halftone pictures

Publications (1)

Publication Number Publication Date
AU2002223934A1 true AU2002223934A1 (en) 2002-06-03

Family

ID=22956704

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002223934A Abandoned AU2002223934A1 (en) 2000-11-22 2001-11-21 Hiding images in halftone pictures

Country Status (7)

Country Link
US (1) US7528993B2 (en)
EP (1) EP1340192B1 (en)
AT (1) ATE294424T1 (en)
AU (1) AU2002223934A1 (en)
DE (1) DE60110458T2 (en)
ES (1) ES2244676T3 (en)
WO (1) WO2002043000A2 (en)

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US7058817B1 (en) 1999-07-02 2006-06-06 The Chase Manhattan Bank System and method for single sign on process for websites with multiple applications and services
US8849716B1 (en) 2001-04-20 2014-09-30 Jpmorgan Chase Bank, N.A. System and method for preventing identity theft or misuse by restricting access
AU2002312381A1 (en) 2001-06-07 2002-12-16 First Usa Bank, N.A. System and method for rapid updating of credit information
AU2002349780C1 (en) * 2001-06-25 2006-09-21 Jp Morgan Chase Bank Electronic vouchers and a system and method for issuing the same
US7266839B2 (en) 2001-07-12 2007-09-04 J P Morgan Chase Bank System and method for providing discriminated content to network users
US7987501B2 (en) 2001-12-04 2011-07-26 Jpmorgan Chase Bank, N.A. System and method for single session sign-on
US20180165441A1 (en) 2002-03-25 2018-06-14 Glenn Cobourn Everhart Systems and methods for multifactor authentication
US7058660B2 (en) * 2002-10-02 2006-06-06 Bank One Corporation System and method for network-based project management
US8301493B2 (en) 2002-11-05 2012-10-30 Jpmorgan Chase Bank, N.A. System and method for providing incentives to consumers to share information
JP4227048B2 (en) * 2003-04-25 2009-02-18 株式会社東芝 Image processing system
US7511860B2 (en) * 2004-11-16 2009-03-31 Xerox Corporation Systems and methods of embedding gamut mapping information into printed images
US8284987B2 (en) * 2010-09-17 2012-10-09 Hewlett-Packard Development Company, L.P. Payload recovery systems and methods
US8634110B2 (en) * 2010-10-06 2014-01-21 Hewlett-Packard Development Company, L.P. Edge refinement system
TWI459797B (en) 2010-12-23 2014-11-01 Chunghwa Picture Tubes Ltd Display system capable of switching 2d/3d mode and method thereof
US8693061B2 (en) * 2011-07-19 2014-04-08 Eastman Kodak Company Method of embedding data in printed halftone features on a receiver
US9535635B2 (en) * 2012-12-20 2017-01-03 Hewlett-Packard Development Company, L.P. Carrier images
US9665813B2 (en) 2013-01-30 2017-05-30 Hewlett-Packard Development Company, L.P. Data-bearing media
KR101588858B1 (en) * 2014-09-23 2016-01-28 광운대학교 산학협력단 A Method of Hologram Watermarking Using Fresnel Diffraction Model
US9972106B2 (en) * 2015-04-30 2018-05-15 TigerIT Americas, LLC Systems, methods and devices for tamper proofing documents and embedding data in a biometric identifier
CN114670564B (en) * 2022-03-28 2024-03-22 深圳新宏泽包装有限公司 Intelligent printing method for packaging box with anti-counterfeiting hologram

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Publication number Priority date Publication date Assignee Title
US4627819A (en) * 1985-01-23 1986-12-09 Price/Stern/Sloan Publishers, Inc. Teaching or amusement apparatus
US4889367A (en) * 1988-10-07 1989-12-26 Frito-Lay, Inc. Multi-readable information system
US5315098A (en) * 1990-12-27 1994-05-24 Xerox Corporation Methods and means for embedding machine readable digital data in halftone images
FR2684214B1 (en) * 1991-11-22 1997-04-04 Sepro Robotique INDEXING CARD FOR GEOGRAPHIC INFORMATION SYSTEM AND SYSTEM INCLUDING APPLICATION.
US5416312A (en) * 1992-11-20 1995-05-16 Cherloc Document bearing an image or a text and provided with an indexing frame, and associated document analysis system
US5706099A (en) * 1995-06-05 1998-01-06 Xerox Corporation Method and apparatus for generating serpentine halftone images
US5710636A (en) * 1995-06-05 1998-01-20 Xerox Corporation Method and apparatus for generating halftone images having human readable patterns formed therein
US5734752A (en) * 1996-09-24 1998-03-31 Xerox Corporation Digital watermarking using stochastic screen patterns
US5790703A (en) * 1997-01-21 1998-08-04 Xerox Corporation Digital watermarking using conjugate halftone screens
US6088123A (en) * 1997-11-21 2000-07-11 International Business Machines Corporation Dithering masks with very large periods
US6081345A (en) * 1998-01-29 2000-06-27 Xerox Corporation Line screen having extended dynamic tone range for embedding machine readable data in halftone images
US6690811B2 (en) * 2000-12-08 2004-02-10 The Hong Kong University Of Science And Technology Methods and apparatus for hiding data in halftone images
US20040141210A1 (en) * 2003-01-22 2004-07-22 Wong Ping Wah Method and apparatus for halftone image embedding

Also Published As

Publication number Publication date
DE60110458T2 (en) 2006-04-27
WO2002043000A3 (en) 2002-07-25
EP1340192B1 (en) 2005-04-27
ATE294424T1 (en) 2005-05-15
EP1340192A2 (en) 2003-09-03
WO2002043000A2 (en) 2002-05-30
US20040146159A1 (en) 2004-07-29
ES2244676T3 (en) 2005-12-16
DE60110458D1 (en) 2005-06-02
US7528993B2 (en) 2009-05-05

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