JP2005528817A5 - - Google Patents
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- Publication number
- JP2005528817A5 JP2005528817A5 JP2003553505A JP2003553505A JP2005528817A5 JP 2005528817 A5 JP2005528817 A5 JP 2005528817A5 JP 2003553505 A JP2003553505 A JP 2003553505A JP 2003553505 A JP2003553505 A JP 2003553505A JP 2005528817 A5 JP2005528817 A5 JP 2005528817A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- quantization
- predetermined
- step size
- embedded
- 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.)
- Granted
Links
- 238000013139 quantization Methods 0.000 claims 14
- 238000000034 method Methods 0.000 claims 7
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01204888 | 2001-12-14 | ||
| PCT/IB2002/004898 WO2003052689A2 (en) | 2001-12-14 | 2002-11-20 | Embedding and extraction of watermark data |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005528817A JP2005528817A (ja) | 2005-09-22 |
| JP2005528817A5 true JP2005528817A5 (https=) | 2006-01-19 |
| JP4104552B2 JP4104552B2 (ja) | 2008-06-18 |
Family
ID=8181435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003553505A Expired - Fee Related JP4104552B2 (ja) | 2001-12-14 | 2002-11-20 | ウォーターマークデータの埋込み及び抽出 |
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)
| 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)
| 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 |
-
2002
- 2002-11-20 DE DE60215220T patent/DE60215220T2/de not_active Expired - Fee Related
- 2002-11-20 WO PCT/IB2002/004898 patent/WO2003052689A2/en not_active Ceased
- 2002-11-20 US US10/498,296 patent/US20050105760A1/en not_active Abandoned
- 2002-11-20 EP EP02804973A patent/EP1459256B1/en not_active Expired - Lifetime
- 2002-11-20 AT AT02804973T patent/ATE341801T1/de not_active IP Right Cessation
- 2002-11-20 KR KR10-2004-7009201A patent/KR20040065271A/ko not_active Ceased
- 2002-11-20 JP JP2003553505A patent/JP4104552B2/ja not_active Expired - Fee Related
- 2002-11-20 CN CNB028248651A patent/CN1293511C/zh not_active Expired - Fee Related
- 2002-11-20 AU AU2002366379A patent/AU2002366379A1/en not_active Abandoned
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