US4972471A
(en)
*
|
1989-05-15 |
1990-11-20 |
Gary Gross |
Encoding system
|
FR2658022B1
(en)
*
|
1990-02-07 |
1995-09-22 |
Telediffusion Fse |
METHOD AND SYSTEM FOR MARKING AND IDENTIFYING DIGITAL INFORMATION.
|
US6301369B2
(en)
|
1992-07-31 |
2001-10-09 |
Digimarc Corporation |
Image marking to permit later identification
|
US5721788A
(en)
|
1992-07-31 |
1998-02-24 |
Corbis Corporation |
Method and system for digital image signatures
|
US6983051B1
(en)
|
1993-11-18 |
2006-01-03 |
Digimarc Corporation |
Methods for audio watermarking and decoding
|
US7171016B1
(en)
|
1993-11-18 |
2007-01-30 |
Digimarc Corporation |
Method for monitoring internet dissemination of image, video and/or audio files
|
US5748763A
(en)
|
1993-11-18 |
1998-05-05 |
Digimarc Corporation |
Image steganography system featuring perceptually adaptive and globally scalable signal embedding
|
US6122403A
(en)
*
|
1995-07-27 |
2000-09-19 |
Digimarc Corporation |
Computer system linked by using information in data objects
|
US6449377B1
(en)
|
1995-05-08 |
2002-09-10 |
Digimarc Corporation |
Methods and systems for watermark processing of line art images
|
US6944298B1
(en)
|
1993-11-18 |
2005-09-13 |
Digimare Corporation |
Steganographic encoding and decoding of auxiliary codes in media signals
|
US5841978A
(en)
|
1993-11-18 |
1998-11-24 |
Digimarc Corporation |
Network linking method using steganographically embedded data objects
|
US5768426A
(en)
|
1993-11-18 |
1998-06-16 |
Digimarc Corporation |
Graphics processing system employing embedded code signals
|
US7044395B1
(en)
|
1993-11-18 |
2006-05-16 |
Digimarc Corporation |
Embedding and reading imperceptible codes on objects
|
US6611607B1
(en)
|
1993-11-18 |
2003-08-26 |
Digimarc Corporation |
Integrating digital watermarks in multimedia content
|
US7039214B2
(en)
|
1999-11-05 |
2006-05-02 |
Digimarc Corporation |
Embedding watermark components during separate printing stages
|
US6522770B1
(en)
|
1999-05-19 |
2003-02-18 |
Digimarc Corporation |
Management of documents and other objects using optical devices
|
US6869023B2
(en)
|
2002-02-12 |
2005-03-22 |
Digimarc Corporation |
Linking documents through digital watermarking
|
US6968057B2
(en)
|
1994-03-17 |
2005-11-22 |
Digimarc Corporation |
Emulsion products and imagery employing steganography
|
US6560349B1
(en)
|
1994-10-21 |
2003-05-06 |
Digimarc Corporation |
Audio monitoring using steganographic information
|
GB9502274D0
(en)
|
1995-02-06 |
1995-03-29 |
Central Research Lab Ltd |
Method and apparatus for coding information
|
WO1996027191A1
(en)
*
|
1995-02-28 |
1996-09-06 |
Isis Innovation Limited |
Covert identification
|
US6760463B2
(en)
|
1995-05-08 |
2004-07-06 |
Digimarc Corporation |
Watermarking methods and media
|
US7486799B2
(en)
|
1995-05-08 |
2009-02-03 |
Digimarc Corporation |
Methods for monitoring audio and images on the internet
|
US7006661B2
(en)
|
1995-07-27 |
2006-02-28 |
Digimarc Corp |
Digital watermarking systems and methods
|
US6577746B1
(en)
|
1999-12-28 |
2003-06-10 |
Digimarc Corporation |
Watermark-based object linking and embedding
|
US6411725B1
(en)
|
1995-07-27 |
2002-06-25 |
Digimarc Corporation |
Watermark enabled video objects
|
US6408331B1
(en)
|
1995-07-27 |
2002-06-18 |
Digimarc Corporation |
Computer linking methods using encoded graphics
|
US6965682B1
(en)
|
1999-05-19 |
2005-11-15 |
Digimarc Corp |
Data transmission by watermark proxy
|
US6345145B1
(en)
|
1995-08-25 |
2002-02-05 |
Sony Corporation |
Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus
|
EP0766468B1
(en)
*
|
1995-09-28 |
2006-05-03 |
Nec Corporation |
Method and system for inserting a spread spectrum watermark into multimedia data
|
EP1711015A3
(en)
*
|
1996-02-05 |
2006-11-08 |
Matsushita Electric Industrial Co., Ltd. |
Video signal recording apparatus, video signal regenerating apparatus, image coding apparatus and image decoding apparatus
|
US5664018A
(en)
*
|
1996-03-12 |
1997-09-02 |
Leighton; Frank Thomson |
Watermarking process resilient to collusion attacks
|
US5949885A
(en)
*
|
1996-03-12 |
1999-09-07 |
Leighton; F. Thomson |
Method for protecting content using watermarking
|
US20030056103A1
(en)
|
2000-12-18 |
2003-03-20 |
Levy Kenneth L. |
Audio/video commerce application architectural framework
|
US6381341B1
(en)
*
|
1996-05-16 |
2002-04-30 |
Digimarc Corporation |
Watermark encoding method exploiting biases inherent in original signal
|
US6229924B1
(en)
*
|
1996-05-16 |
2001-05-08 |
Digimarc Corporation |
Method and apparatus for watermarking video images
|
GB2354860B
(en)
*
|
1996-07-02 |
2001-05-30 |
Yamaha Corp |
Method and device for storing main information with associated additional infprmation incorproated therein
|
US6209096B1
(en)
*
|
1996-07-02 |
2001-03-27 |
Yamaha Corporation |
Method and device for storing main information with associated additional information incorporated therein
|
US5848155A
(en)
*
|
1996-09-04 |
1998-12-08 |
Nec Research Institute, Inc. |
Spread spectrum watermark for embedded signalling
|
US6069914A
(en)
*
|
1996-09-19 |
2000-05-30 |
Nec Research Institute, Inc. |
Watermarking of image data using MPEG/JPEG coefficients
|
US5915027A
(en)
*
|
1996-11-05 |
1999-06-22 |
Nec Research Institute |
Digital watermarking
|
GB2319930B
(en)
*
|
1996-11-27 |
2001-05-16 |
Sony Uk Ltd |
Storage and transmission of one-bit data
|
US6118741A
(en)
*
|
1997-06-19 |
2000-09-12 |
Mimnagh; Winslow M. |
Method and device for recording information on a carrier
|
US6108434A
(en)
*
|
1997-09-12 |
2000-08-22 |
Signafy, Inc. |
Counteracting geometric distortions for DCT based watermarking
|
US6611599B2
(en)
|
1997-09-29 |
2003-08-26 |
Hewlett-Packard Development Company, L.P. |
Watermarking of digital object
|
US6804376B2
(en)
|
1998-01-20 |
2004-10-12 |
Digimarc Corporation |
Equipment employing watermark-based authentication function
|
AU3656999A
(en)
*
|
1998-05-12 |
1999-11-29 |
Solana Technology Development Corporation |
Digital hidden data transport (dhdt)
|
US6792542B1
(en)
|
1998-05-12 |
2004-09-14 |
Verance Corporation |
Digital system for embedding a pseudo-randomly modulated auxiliary data sequence in digital samples
|
US6154571A
(en)
|
1998-06-24 |
2000-11-28 |
Nec Research Institute, Inc. |
Robust digital watermarking
|
JP3651319B2
(en)
|
1999-07-16 |
2005-05-25 |
日本ビクター株式会社 |
Digital watermark information recording method, reproduction method, digital watermark information recording apparatus, and reproduction apparatus
|
US6625297B1
(en)
|
2000-02-10 |
2003-09-23 |
Digimarc Corporation |
Self-orienting watermarks
|
US7027614B2
(en)
|
2000-04-19 |
2006-04-11 |
Digimarc Corporation |
Hiding information to reduce or offset perceptible artifacts
|
JP2001344894A
(en)
*
|
2000-05-31 |
2001-12-14 |
Sony Corp |
Data recording medium, data recording method and device, data reproduction method and device
|
US7684088B2
(en)
|
2000-09-20 |
2010-03-23 |
Alpvision S.A. |
Method for preventing counterfeiting or alteration of a printed or engraved surface
|
LU91698B1
(en)
*
|
2010-06-10 |
2011-12-12 |
Pleimo S A |
System and method for processing digital content
|