AU2002346328A1 - Method and apparatus for inserting and extracting watermark - Google Patents

Method and apparatus for inserting and extracting watermark

Info

Publication number
AU2002346328A1
AU2002346328A1 AU2002346328A AU2002346328A AU2002346328A1 AU 2002346328 A1 AU2002346328 A1 AU 2002346328A1 AU 2002346328 A AU2002346328 A AU 2002346328A AU 2002346328 A AU2002346328 A AU 2002346328A AU 2002346328 A1 AU2002346328 A1 AU 2002346328A1
Authority
AU
Australia
Prior art keywords
extracting watermark
watermark
extracting
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
AU2002346328A
Other languages
English (en)
Inventor
Ik-Seong Bae
Chang-Keun Choi
Chang-Ryoul Choi
Je-Chang Jeong
Hyun-Tae Kim
Jeong-Hyun Kim
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.)
SEALTRONIC TECHNOLOGY Inc
Original Assignee
SEALTRONIC TECHNOLOGY 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 SEALTRONIC TECHNOLOGY Inc filed Critical SEALTRONIC TECHNOLOGY Inc
Publication of AU2002346328A1 publication Critical patent/AU2002346328A1/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
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • 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
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0065—Extraction of an embedded watermark; Reliable detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0083—Image watermarking whereby only watermarked image required at decoder, e.g. source-based, blind, oblivious
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0202—Image watermarking whereby the quality of watermarked images is measured; Measuring quality or performance of watermarking methods; Balancing between quality and robustness
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
AU2002346328A 2002-06-25 2002-06-25 Method and apparatus for inserting and extracting watermark Abandoned AU2002346328A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2002/001205 WO2004014079A1 (fr) 2002-06-25 2002-06-25 Procede et appareil d'insertion et d'extraction de filigrane

Publications (1)

Publication Number Publication Date
AU2002346328A1 true AU2002346328A1 (en) 2004-02-23

Family

ID=31492719

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002346328A Abandoned AU2002346328A1 (en) 2002-06-25 2002-06-25 Method and apparatus for inserting and extracting watermark

Country Status (2)

Country Link
AU (1) AU2002346328A1 (fr)
WO (1) WO2004014079A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005045763A1 (fr) * 2003-11-04 2005-05-19 Canon Kabushiki Kaisha Methode d'estimation d'une relation affine entre des images

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875249A (en) * 1997-01-08 1999-02-23 International Business Machines Corporation Invisible image watermark for image verification
JP3353691B2 (ja) * 1997-02-24 2002-12-03 日本電気株式会社 デジタルデータのエンコードシステム及び電子透かしデータ挿入方法並びに制御プログラムを格納した記憶媒体
JP3201347B2 (ja) * 1998-05-15 2001-08-20 日本電気株式会社 画像属性変更装置と電子透かし装置

Also Published As

Publication number Publication date
WO2004014079A1 (fr) 2004-02-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase