DE60215220D1 - Einbettung und extraktion von wasserzeichendaten - Google Patents

Einbettung und extraktion von wasserzeichendaten

Info

Publication number
DE60215220D1
DE60215220D1 DE60215220T DE60215220T DE60215220D1 DE 60215220 D1 DE60215220 D1 DE 60215220D1 DE 60215220 T DE60215220 T DE 60215220T DE 60215220 T DE60215220 T DE 60215220T DE 60215220 D1 DE60215220 D1 DE 60215220D1
Authority
DE
Germany
Prior art keywords
sub
signal
data
histogram
delta
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.)
Expired - Fee Related
Application number
DE60215220T
Other languages
English (en)
Other versions
DE60215220T2 (de
Inventor
J Eggers
Robert Baeuml
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Intellectual Property and Standards GmbH
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 Philips Intellectual Property and Standards GmbH filed Critical Philips Intellectual Property and Standards GmbH
Application granted granted Critical
Publication of DE60215220D1 publication Critical patent/DE60215220D1/de
Publication of DE60215220T2 publication Critical patent/DE60215220T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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; CALCULATING OR 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; CALCULATING OR 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)
DE60215220T 2001-12-14 2002-11-20 Einbettung und extraktion von wasserzeichendaten Expired - Fee Related DE60215220T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01204888 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
DE60215220D1 true DE60215220D1 (de) 2006-11-16
DE60215220T2 DE60215220T2 (de) 2007-08-23

Family

ID=8181435

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60215220T Expired - Fee Related DE60215220T2 (de) 2001-12-14 2002-11-20 Einbettung und extraktion von wasserzeichendaten

Country Status (9)

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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7376242B2 (en) * 2001-03-22 2008-05-20 Digimarc Corporation Quantization-based data embedding in mapped data
US8050452B2 (en) * 2001-03-22 2011-11-01 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
WO2005064535A1 (en) * 2003-12-22 2005-07-14 Koninklijke Philips Electronics 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
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
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
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

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
JP2001525151A (ja) * 1998-03-04 2001-12-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ウォーターマークの検出
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
JP4891508B2 (ja) * 1999-11-23 2012-03-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ウォーターマーク埋込み及び検出
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
ATE341801T1 (de) 2006-10-15
JP4104552B2 (ja) 2008-06-18
EP1459256B1 (de) 2006-10-04
AU2002366379A8 (en) 2003-06-30
EP1459256A2 (de) 2004-09-22
CN1602502A (zh) 2005-03-30
CN1293511C (zh) 2007-01-03
DE60215220T2 (de) 2007-08-23
WO2003052689A2 (en) 2003-06-26
WO2003052689A3 (en) 2003-11-27
JP2005528817A (ja) 2005-09-22
US20050105760A1 (en) 2005-05-19
AU2002366379A1 (en) 2003-06-30
KR20040065271A (ko) 2004-07-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee