ATE341801T1 - Einbettung und extraktion von wasserzeichendaten - Google Patents

Einbettung und extraktion von wasserzeichendaten

Info

Publication number
ATE341801T1
ATE341801T1 AT02804973T AT02804973T ATE341801T1 AT E341801 T1 ATE341801 T1 AT E341801T1 AT 02804973 T AT02804973 T AT 02804973T AT 02804973 T AT02804973 T AT 02804973T AT E341801 T1 ATE341801 T1 AT E341801T1
Authority
AT
Austria
Prior art keywords
sub
signal
data
histogram
delta
Prior art date
Application number
AT02804973T
Other languages
German (de)
English (en)
Inventor
Joachim J Eggers
Robert Baeuml
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE341801T1 publication Critical patent/ATE341801T1/de

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)
AT02804973T 2001-12-14 2002-11-20 Einbettung und extraktion von wasserzeichendaten ATE341801T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01204888 2001-12-14

Publications (1)

Publication Number Publication Date
ATE341801T1 true ATE341801T1 (de) 2006-10-15

Family

ID=8181435

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02804973T ATE341801T1 (de) 2001-12-14 2002-11-20 Einbettung und extraktion von wasserzeichendaten

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
AU2002366379A1 (en) 2003-06-30
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
EP1459256A2 (en) 2004-09-22

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