MY163424A - Watermarking - Google Patents

Watermarking

Info

Publication number
MY163424A
MY163424A MYPI20032891A MYPI20032891A MY163424A MY 163424 A MY163424 A MY 163424A MY PI20032891 A MYPI20032891 A MY PI20032891A MY PI20032891 A MYPI20032891 A MY PI20032891A MY 163424 A MY163424 A MY 163424A
Authority
MY
Malaysia
Prior art keywords
image
indicator region
colour
intensity
naked eye
Prior art date
Application number
MYPI20032891A
Other languages
English (en)
Inventor
Huijuan Yang
Original Assignee
Crimsonlogic Pte 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 Crimsonlogic Pte Ltd filed Critical Crimsonlogic Pte Ltd
Publication of MY163424A publication Critical patent/MY163424A/en

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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/003—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements
    • G07D7/0034—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements using watermarks
    • 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
    • G06T2201/0051—Embedding of the watermark in the spatial domain
    • 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
    • G06T2201/0064—Image watermarking for copy protection or copy management, e.g. CGMS, copy only once, one-time copy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
MYPI20032891A 2002-07-31 2003-07-30 Watermarking MY163424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG2002046068 2002-07-31

Publications (1)

Publication Number Publication Date
MY163424A true MY163424A (en) 2017-09-15

Family

ID=31713319

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20032891A MY163424A (en) 2002-07-31 2003-07-30 Watermarking

Country Status (4)

Country Link
AU (1) AU2003256230A1 (zh)
MY (1) MY163424A (zh)
TW (1) TWI298144B (zh)
WO (1) WO2004015617A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI409648B (zh) * 2008-03-10 2013-09-21 Ind Tech Res Inst 技術文獻擷取系統與方法及專利文獻擷取系統
US8373880B2 (en) 2008-03-26 2013-02-12 Industrial Technology Research Institute Technical documents capturing and patents analysis system and method
DE102020000512A1 (de) * 2020-01-28 2021-07-29 Mühlbauer Gmbh & Co. Kg Verfahren zur Sichtbarmachung von Sicherheitsinformationen eines digital gespeicherten Bildes und Bildwiedergabegerät zur Ausführung eines solchen Verfahrens
CN114265567B (zh) * 2022-02-25 2022-06-10 北京辰光融信技术有限公司 一种水印打印方法、打印设备及储存介质
TWI817551B (zh) * 2022-06-10 2023-10-01 友達光電股份有限公司 畫面加密系統及畫面加密方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310180A (en) * 1977-05-18 1982-01-12 Burroughs Corporation Protected document and method of making same
US4582346A (en) * 1984-05-08 1986-04-15 Moore Business Forms, Inc. Document security system
US5524933A (en) * 1992-05-29 1996-06-11 Ecole Polytechnique Federale De Lausanne Method for the marking of documents
US5375886A (en) * 1993-04-14 1994-12-27 Hosokawa Printing Co., Ltd. Counterfeit-proof paper for discouraging attempt at reproduction with copying device
AU6944200A (en) * 1999-09-01 2001-03-26 Digimarc Corporation Watermarking digital images with intensity specified by area

Also Published As

Publication number Publication date
TW200406717A (en) 2004-05-01
WO2004015617A1 (en) 2004-02-19
AU2003256230A1 (en) 2004-02-25
TWI298144B (en) 2008-06-21

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