DE60213405D1 - Wasserzeichen - Google Patents
WasserzeichenInfo
- Publication number
- DE60213405D1 DE60213405D1 DE60213405T DE60213405T DE60213405D1 DE 60213405 D1 DE60213405 D1 DE 60213405D1 DE 60213405 T DE60213405 T DE 60213405T DE 60213405 T DE60213405 T DE 60213405T DE 60213405 D1 DE60213405 D1 DE 60213405D1
- Authority
- DE
- Germany
- Prior art keywords
- watermark
- windows
- analysis
- signal
- reconstruction
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
- G11B20/00891—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm embedded in audio data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Editing Of Facsimile Originals (AREA)
- Image Processing (AREA)
- Television Systems (AREA)
- Noise Elimination (AREA)
- Holo Graphy (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01201687 | 2001-05-08 | ||
EP01201687 | 2001-05-08 | ||
PCT/IB2002/001418 WO2002091375A1 (en) | 2001-05-08 | 2002-04-19 | Watermarking |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60213405D1 true DE60213405D1 (de) | 2006-09-07 |
DE60213405T2 DE60213405T2 (de) | 2007-02-08 |
Family
ID=8180272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60213405T Expired - Fee Related DE60213405T2 (de) | 2001-05-08 | 2002-04-19 | Wasserzeichen |
Country Status (9)
Country | Link |
---|---|
US (1) | US20030036910A1 (de) |
EP (1) | EP1393314B1 (de) |
JP (1) | JP2004525429A (de) |
KR (1) | KR20030016381A (de) |
CN (1) | CN1291597C (de) |
AT (1) | ATE334465T1 (de) |
BR (1) | BR0205151A (de) |
DE (1) | DE60213405T2 (de) |
WO (1) | WO2002091375A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6879652B1 (en) * | 2000-07-14 | 2005-04-12 | Nielsen Media Research, Inc. | Method for encoding an input signal |
US7266704B2 (en) | 2000-12-18 | 2007-09-04 | Digimarc Corporation | User-friendly rights management systems and methods |
US7131007B1 (en) * | 2001-06-04 | 2006-10-31 | At & T Corp. | System and method of retrieving a watermark within a signal |
WO2006023770A2 (en) * | 2004-08-18 | 2006-03-02 | Nielsen Media Research, Inc. | Methods and apparatus for generating signatures |
US7555432B1 (en) * | 2005-02-10 | 2009-06-30 | Purdue Research Foundation | Audio steganography method and apparatus using cepstrum modification |
US8208683B2 (en) * | 2006-03-07 | 2012-06-26 | Nippon Telegraph And Telephone Corporation | Digital watermark embedding method, apparatus and storage medium for reducing image quality deterioration and increasing detection reliability |
US9466307B1 (en) | 2007-05-22 | 2016-10-11 | Digimarc Corporation | Robust spectral encoding and decoding methods |
CN102956027B (zh) * | 2011-08-30 | 2016-08-03 | 安凯(广州)微电子技术有限公司 | 基于摄像头图像处理芯片的图像增强处理系统及处理方法 |
US11244692B2 (en) * | 2018-10-04 | 2022-02-08 | Digital Voice Systems, Inc. | Audio watermarking via correlation modification using an amplitude and a magnitude modification based on watermark data and to reduce distortion |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59008047D1 (de) * | 1989-03-06 | 1995-02-02 | Bosch Gmbh Robert | Verfahren zur Datenreduktion bei digitalen Tonsignalen und zur genäherten Rückgewinnung der digitalen Tonsignale. |
CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
US5613004A (en) * | 1995-06-07 | 1997-03-18 | The Dice Company | Steganographic method and device |
US5889868A (en) * | 1996-07-02 | 1999-03-30 | The Dice Company | Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data |
US5915027A (en) * | 1996-11-05 | 1999-06-22 | Nec Research Institute | Digital watermarking |
US6128736A (en) * | 1998-12-18 | 2000-10-03 | Signafy, Inc. | Method for inserting a watermark signal into data |
-
2002
- 2002-04-19 DE DE60213405T patent/DE60213405T2/de not_active Expired - Fee Related
- 2002-04-19 EP EP02724542A patent/EP1393314B1/de not_active Expired - Lifetime
- 2002-04-19 CN CNB028015606A patent/CN1291597C/zh not_active Expired - Fee Related
- 2002-04-19 WO PCT/IB2002/001418 patent/WO2002091375A1/en active IP Right Grant
- 2002-04-19 BR BR0205151-6A patent/BR0205151A/pt not_active IP Right Cessation
- 2002-04-19 AT AT02724542T patent/ATE334465T1/de not_active IP Right Cessation
- 2002-04-19 KR KR10-2003-7000235A patent/KR20030016381A/ko not_active Application Discontinuation
- 2002-04-19 JP JP2002588546A patent/JP2004525429A/ja not_active Withdrawn
- 2002-05-06 US US10/139,202 patent/US20030036910A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2002091375A1 (en) | 2002-11-14 |
CN1291597C (zh) | 2006-12-20 |
KR20030016381A (ko) | 2003-02-26 |
US20030036910A1 (en) | 2003-02-20 |
CN1462441A (zh) | 2003-12-17 |
ATE334465T1 (de) | 2006-08-15 |
EP1393314B1 (de) | 2006-07-26 |
BR0205151A (pt) | 2005-04-12 |
EP1393314A1 (de) | 2004-03-03 |
DE60213405T2 (de) | 2007-02-08 |
JP2004525429A (ja) | 2004-08-19 |
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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 |