AU2002366379A1 - Embedding and extraction of watermark data - Google Patents

Embedding and extraction of watermark data

Info

Publication number
AU2002366379A1
AU2002366379A1 AU2002366379A AU2002366379A AU2002366379A1 AU 2002366379 A1 AU2002366379 A1 AU 2002366379A1 AU 2002366379 A AU2002366379 A AU 2002366379A AU 2002366379 A AU2002366379 A AU 2002366379A AU 2002366379 A1 AU2002366379 A1 AU 2002366379A1
Authority
AU
Australia
Prior art keywords
sub
signal
embedding
data
histogram
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
AU2002366379A
Other languages
English (en)
Other versions
AU2002366379A8 (en
Inventor
Robert Baeuml
Joachim J. Eggers
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU2002366379A8 publication Critical patent/AU2002366379A8/xx
Publication of AU2002366379A1 publication Critical patent/AU2002366379A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Holo Graphy (AREA)
AU2002366379A 2001-12-14 2002-11-20 Embedding and extraction of watermark data Abandoned AU2002366379A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01204888.0 2001-12-14
EP01204888 2001-12-14
PCT/IB2002/004898 WO2003052689A2 (en) 2001-12-14 2002-11-20 Embedding and extraction of watermark data

Publications (2)

Publication Number Publication Date
AU2002366379A8 AU2002366379A8 (en) 2003-06-30
AU2002366379A1 true AU2002366379A1 (en) 2003-06-30

Family

ID=8181435

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002366379A Abandoned AU2002366379A1 (en) 2001-12-14 2002-11-20 Embedding and extraction of watermark data

Country Status (9)

Country Link
US (1) US20050105760A1 (https=)
EP (1) EP1459256B1 (https=)
JP (1) JP4104552B2 (https=)
KR (1) KR20040065271A (https=)
CN (1) CN1293511C (https=)
AT (1) ATE341801T1 (https=)
AU (1) AU2002366379A1 (https=)
DE (1) DE60215220T2 (https=)
WO (1) WO2003052689A2 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8050452B2 (en) * 2001-03-22 2011-11-01 Digimarc Corporation Quantization-based data embedding in mapped data
US7376242B2 (en) * 2001-03-22 2008-05-20 Digimarc Corporation Quantization-based data embedding in mapped data
US7006662B2 (en) * 2001-12-13 2006-02-28 Digimarc Corporation Reversible watermarking using expansion, rate control and iterative embedding
US7321667B2 (en) * 2002-01-18 2008-01-22 Digimarc Corporation Data hiding through arrangement of objects
US20070106900A1 (en) * 2003-12-22 2007-05-10 Koninklijke Philips Electronic, N.V. Estimation of quantisation step sizes for a watermark detector
KR100685784B1 (ko) * 2005-08-17 2007-02-22 한국전자통신연구원 안전성을 향상시킨 양자화 기반 워터마크 삽입 장치 및 그방법과 그를 이용한 워터마크 인증 장치 및 그 방법
CN100594514C (zh) * 2006-10-16 2010-03-17 北京大学 一种自适应的扩展变换抖动调制水印方法
CN101571945B (zh) * 2008-04-30 2017-07-07 华为技术有限公司 嵌入水印的方法、检测水印的方法及装置
CN101452563B (zh) * 2008-06-20 2011-08-24 扬州大学 一种改进的扩展变换抖动调制水印方法
CN101661605B (zh) * 2008-08-26 2012-07-04 浙江大学 一种数字水印的嵌入、定位篡改方法及装置
CN101635855B (zh) * 2009-08-27 2011-08-03 北京国铁华晨通信信息技术有限公司 视频水印嵌入和盲提取方法及装置
CN102609896B (zh) * 2012-02-17 2014-03-26 中山大学 一种基于直方图中值保持的可逆水印嵌入和提取方法
CN104166956B (zh) * 2014-06-12 2017-02-15 厦门合道工程设计集团有限公司 矢量图形版权字符的嵌入和提取方法
CN104166957B (zh) * 2014-06-12 2017-02-15 厦门合道工程设计集团有限公司 矢量图形版权图像的嵌入和提取方法
CN109993346B (zh) * 2019-02-22 2020-09-11 南京邮电大学 基于混沌时间序列和神经网络的微电网电压安全评估方法
CN121603206A (zh) * 2026-01-29 2026-03-03 西安交通大学 一种基于分组编码驱动的安全密钥提取方法及相关装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5915027A (en) * 1996-11-05 1999-06-22 Nec Research Institute Digital watermarking
CN1153456C (zh) * 1998-03-04 2004-06-09 皇家菲利浦电子有限公司 水印检测的方法和设备
US6233347B1 (en) * 1998-05-21 2001-05-15 Massachusetts Institute Of Technology System method, and product for information embedding using an ensemble of non-intersecting embedding generators
US6901514B1 (en) * 1999-06-01 2005-05-31 Digital Video Express, L.P. Secure oblivious watermarking using key-dependent mapping functions
CN1218278C (zh) * 1999-11-23 2005-09-07 皇家菲利浦电子有限公司 在信号中嵌入和检测水印的方法,水印嵌入器和检测设备
US6823089B1 (en) * 2000-09-28 2004-11-23 Eastman Kodak Company Method of determining the extent of blocking and contouring artifacts in a digital image
US6483927B2 (en) * 2000-12-18 2002-11-19 Digimarc Corporation Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes

Also Published As

Publication number Publication date
CN1293511C (zh) 2007-01-03
AU2002366379A8 (en) 2003-06-30
US20050105760A1 (en) 2005-05-19
WO2003052689A3 (en) 2003-11-27
DE60215220D1 (de) 2006-11-16
KR20040065271A (ko) 2004-07-21
JP2005528817A (ja) 2005-09-22
JP4104552B2 (ja) 2008-06-18
WO2003052689A2 (en) 2003-06-26
EP1459256B1 (en) 2006-10-04
CN1602502A (zh) 2005-03-30
DE60215220T2 (de) 2007-08-23
ATE341801T1 (de) 2006-10-15
EP1459256A2 (en) 2004-09-22

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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