TW451171B - A method to embed and extract hidden digital watermark - Google Patents

A method to embed and extract hidden digital watermark Download PDF

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Publication number
TW451171B
TW451171B TW088112076A TW88112076A TW451171B TW 451171 B TW451171 B TW 451171B TW 088112076 A TW088112076 A TW 088112076A TW 88112076 A TW88112076 A TW 88112076A TW 451171 B TW451171 B TW 451171B
Authority
TW
Taiwan
Prior art keywords
watermark
image
blocks
original image
dct
Prior art date
Application number
TW088112076A
Other languages
English (en)
Chinese (zh)
Inventor
Jia-Lin Wu
Chiou-Ting Shiu
Original Assignee
Cyberlink 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 Cyberlink Corp filed Critical Cyberlink Corp
Priority to TW088112076A priority Critical patent/TW451171B/zh
Priority to US09/520,058 priority patent/US6700991B1/en
Application granted granted Critical
Publication of TW451171B publication Critical patent/TW451171B/zh

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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
    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating 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
    • G06T2201/0052—Embedding of the watermark in the frequency 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
    • G06T2201/0061—Embedding of the watermark in each block of the image, e.g. segmented watermarking
TW088112076A 1999-07-16 1999-07-16 A method to embed and extract hidden digital watermark TW451171B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW088112076A TW451171B (en) 1999-07-16 1999-07-16 A method to embed and extract hidden digital watermark
US09/520,058 US6700991B1 (en) 1999-07-16 2000-03-07 Hidden digital watermarks in images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW088112076A TW451171B (en) 1999-07-16 1999-07-16 A method to embed and extract hidden digital watermark

Publications (1)

Publication Number Publication Date
TW451171B true TW451171B (en) 2001-08-21

Family

ID=21641537

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088112076A TW451171B (en) 1999-07-16 1999-07-16 A method to embed and extract hidden digital watermark

Country Status (2)

Country Link
US (1) US6700991B1 (US06700991-20040302-M00016.png)
TW (1) TW451171B (US06700991-20040302-M00016.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8031205B2 (en) 2003-04-07 2011-10-04 Samsung Electronics Co., Ltd. Image data set with embedded pre-subpixel rendered image
US8390646B2 (en) 2004-04-09 2013-03-05 Samsung Display Co., Ltd. Subpixel rendering filters for high brightness subpixel layouts

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JP3976969B2 (ja) * 1999-12-02 2007-09-19 キヤノン株式会社 画像処理装置、画像処理方法及び記憶媒体
US6625297B1 (en) * 2000-02-10 2003-09-23 Digimarc Corporation Self-orienting watermarks
DE60127553T2 (de) * 2000-06-23 2007-12-27 Koninklijke Philips Electronics N.V. Wasserzeicheneinbettungsverfahren und -anordnung
JP2002099213A (ja) * 2000-09-21 2002-04-05 Nec Corp ディジタルコンテンツ生成装置及び再生装置
EP1402737B1 (en) 2001-06-21 2007-04-25 Koninklijke Philips Electronics N.V. Embedding and detection of watermark in a motion image signal
JP4005780B2 (ja) * 2001-07-12 2007-11-14 興和株式会社 電子透かしの埋め込みおよび検出
GB2383219A (en) * 2001-12-13 2003-06-18 Sony Uk Ltd Marking material using a two part watermark
AUPR970601A0 (en) * 2001-12-21 2002-01-24 Canon Kabushiki Kaisha Encoding information in a watermark
JP3917513B2 (ja) * 2002-12-27 2007-05-23 株式会社東芝 電子透かし埋込装置、電子透かし検出装置、電子透かし埋込方法、電子透かし検出方法及びプログラム
US20040139121A1 (en) * 2003-01-10 2004-07-15 Nithin Nagaraj Data embedding method and system
US7688994B2 (en) * 2005-05-19 2010-03-30 Uti Limited Partnership Digital watermarking CMOS sensor
US8107669B2 (en) * 2006-06-14 2012-01-31 Samsung Electronics Co., Ltd. Video watermarking apparatus in compression domain and method using the same
US7974477B2 (en) * 2007-02-19 2011-07-05 New Jersey Institute Of Technology Apparatus and method for reversible data hiding for JPEG images
US8149451B2 (en) * 2007-07-18 2012-04-03 Ricoh Company, Ltd. Information processing device, information embedding method, and program
US7965838B2 (en) * 2007-11-30 2011-06-21 Faraday Technology Corp. Watermark generating circuit and related method thereof
CN102663669B (zh) * 2012-04-20 2013-09-18 鲁东大学 一种基于Schur分解的双彩色数字图像盲水印方法
CN102695059B (zh) * 2012-05-31 2014-10-08 西安空间无线电技术研究所 一种图像隐藏压缩传输方法
US9858633B2 (en) 2015-01-23 2018-01-02 Sony Corporation Model anti-collusion watermark
US10515429B2 (en) * 2016-07-01 2019-12-24 Digimarc Corporation Image-based pose determination
CN106373079A (zh) * 2016-08-31 2017-02-01 南京师范大学 Android照片位置和时间数字水印嵌入和提取方法

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FR2661585B1 (fr) * 1990-04-25 1992-08-07 Telediffusion Fse Procede et dispositif d'embrouillage-desembrouillage de donnees d'images numeriques.
KR940011605B1 (ko) * 1991-12-20 1994-12-22 삼성전자 주식회사 고정비트율 설정에 의한 영상압축방식
JPH07226026A (ja) * 1994-02-15 1995-08-22 Sony Corp ディジタル信号記録再生装置
EP0766468B1 (en) * 1995-09-28 2006-05-03 Nec Corporation Method and system for inserting a spread spectrum watermark into multimedia data
US5809139A (en) * 1996-09-13 1998-09-15 Vivo Software, Inc. Watermarking method and apparatus for compressed digital video
US6185312B1 (en) * 1997-01-28 2001-02-06 Nippon Telegraph And Telephone Corporation Method for embedding and reading watermark-information in digital form, and apparatus thereof
JPH1132200A (ja) * 1997-07-09 1999-02-02 Matsushita Electric Ind Co Ltd 透かしデータ挿入方法及び透かしデータ検出方法
US6373974B2 (en) * 1998-03-16 2002-04-16 Sharp Laboratories Of America, Inc. Method for extracting multiresolution watermark images to determine rightful ownership
US6396956B1 (en) * 1998-03-31 2002-05-28 Sharp Laboratories Of America, Inc. Method and apparatus for selecting image data to skip when encoding digital video
US6285775B1 (en) * 1998-10-01 2001-09-04 The Trustees Of The University Of Princeton Watermarking scheme for image authentication
US6243730B1 (en) * 1999-05-04 2001-06-05 Sony Electronics, Inc. Methods and systems for performing short integer chen IDCT algorithm with fused multiply/add

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8031205B2 (en) 2003-04-07 2011-10-04 Samsung Electronics Co., Ltd. Image data set with embedded pre-subpixel rendered image
US8390646B2 (en) 2004-04-09 2013-03-05 Samsung Display Co., Ltd. Subpixel rendering filters for high brightness subpixel layouts

Also Published As

Publication number Publication date
US6700991B1 (en) 2004-03-02

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