US Patent No: 6,744,906

Number of patents in Portfolio can not be more than 2000

Methods and systems using multiple watermarks

ALSO PUBLISHED AS: 20020061121
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Abstract

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Two or more digital watermarks, with different characteristics, are embedded in a document. The characteristics are chosen so that the watermarks will be affected in different manners if the document is subsequently copied or reproduced. The detection process or mechanism reads two or more of the watermarks and compares their characteristics. While wear and handling may change the characteristics of the digital watermarks in a document, the relationship between the characteristics of the multiple digital watermarks in a document will nevertheless give an indication as to whether a document is an original or a copy of an original. Document wear can be independently assessed and used as an aid in interpreting the detected watermark characteristics.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DIGIMARC CORPORATIONBEAVERTON, OR857

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gustafson, Ammon E Holly Springs, NC 42 1712
Rhoads, Geoffrey B West Linn, OR 954 41977

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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MARSHALL FEATURE RECOGNITION, LLC (1)
5,932,863 Method and apparatus for accessing electric data via a familiar printed medium 331 1996
 
MEDIASEC TECHNOLOGIES GMBH (1)
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MINOLTA CO., LTD. (1)
2001/0028,727 Image processing apparatus, image forming apparatus, information embedding method, and information embedding program 61 2001
 
MOSES, DONALD W. (1)
6,035,177 Simultaneous transmission of ancillary and audio signals by means of perceptual coding 147 1996
 
MOTOROLA, INC. (1)
4,654,867 Cellular voice and data radiotelephone system 225 1986
 
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5,181,786 Method and apparatus for producing admission tickets 163 1990
 
NATIONAL BROADCASTING COMPANY, INC. (1)
5,200,822 Arrangement for and method of processing data, especially for identifying and verifying airing of television broadcast programs 354 1991
 
NATIONAL PRINTING BUREAU, INCORPORATED ADMINISTRATIVE AGENCY, JAPAN (1)
5,582,103 Method for making an anti-counterfeit latent image formation object for bills, credit cards, etc. 106 1995
 
NEWS LOG INTERNATIONAL A WI CORP (1)
4,416,001 Method and apparatus for optically reading digital data inscribed in an arcuate pattern on a data carrier 68 1980
 
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NOKIA (DEUTSCHLAND) GMBH (1)
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NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION (1)
5,166,676 Identification system 191 1990
 
NV BEKAERT SA (1)
4,820,912 Method and apparatus for checking the authenticity of documents 170 1986
 
OBSIDIAN IMAGING (1)
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OKI ELECTRIC INDUSTRY CO., LTD. (1)
5,095,196 Security system with imaging function 178 1989
 
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4,682,794 Secure identification card and system 134 1985
 
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6,246,775 Method and appartus for superposing a digital watermark and method and apparatus for detecting a digital watermark 68 1998
 
PLAROID CORPORATION (1)
4,879,747 Method and system for personal identification 334 1988
 
Polygram International Holding B.V. (1)
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Promotech, Association pour la Promotion de la Technologie (1)
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PURDUE RESEARCH FOUNDATION (1)
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QMS, INC. (1)
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REMBRANDT COMMUNICATIONS, LP (1)
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Other [Check patent profile for assignment information] (22)
4,528,588 Method and apparatus for marking the information content of an information carrying signal 458 1982
4,595,950 Method and apparatus for marking the information content of an information carrying signal 357 1984
4,712,103 Door lock control system 151 1985
4,944,036 Signature filter system 124 1987
4,972,476 Counterfeit proof ID card having a scrambled facial image 243 1989
4,972,471 Encoding system 324 1989
5,144,660 Securing a computer against undesired write operations to or read operations from a mass storage device 204 1989
5,212,551 Method and apparatus for adaptively superimposing bursts of texts over audio signals and decoder thereof 143 1989
5,150,409 Device for the identification of messages 125 1990
5,396,559 Anticounterfeiting method and device utilizing holograms and pseudorandom dot patterns 221 1990
5,242,217 Desk with computer work station 47 1992
5,394,274 Anti-copy system utilizing audible and inaudible protection signals 165 1993
5,351,302 Method for authenticating objects identified by images or other identifying information 183 1993
5,416,307 Currency paper verification and denomination device 108 1993
5,446,488 Television programme distribution signal having the capability to selectively block non-programme material 113 1993
5,495,581 Method and apparatus for linking a document with associated reference information using pattern matching 195 1993
5,496,071 Method of providing article identity on printed works 89 1995
5,838,458 Method and apparatus for linking designated portions of a received document image with an electronic address 181 1995
5,665,951 Customer indicia storage and utilization system 87 1996
5,664,018 Watermarking process resilient to collusion attacks 422 1996
5,938,727 Communication system and method via digital codes 326 1997
2002/0064,759 Method and system for viewing, altering and archiving digital models of dental structures and computer integrated manufacturing of physical models of dental structures 46 2000

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
DIGIMARC CORPORATION (42)
7,072,487 Watermark detection using adaptive color projections 14 2001
7,020,303 Feature-based watermarks and watermark detection strategies 17 2001
7,054,462 Inferring object status based on detected watermark data 85 2002
7,224,819 Integrating digital watermarks in multimedia content 106 2002
8,543,823 Digital watermarking for identification documents 0 2003
8,144,368 Automated methods for distinguishing copies from original printed objects 4 2003
7,171,020 Method for utilizing fragile watermark for enhanced security 54 2003
8,243,980 Image processing using embedded registration data to determine and compensate for geometric transformation 3 2004
8,094,869 Fragile and emerging digital watermarks 4 2004
6,993,154 Measuring digital watermark strength using error correction coding metrics 53 2004
7,539,325 Documents and methods involving multiple watermarks 49 2004
7,130,087 Methods and apparatus to produce security documents 59 2004
8,127,137 Watermark payload encryption for media including multiple watermarks 5 2005
7,978,874 Digital watermarking for workflow by tracking content or content identifiers with respect to time 5 2005
8,355,526 Digitally watermarking holograms 1 2005
7,266,217 Multiple watermarks in content 62 2006
7,995,790 Digital watermark detection using predetermined color projections 3 2006
7,974,436 Methods, apparatus and programs for generating and utilizing content signatures 4 2006
7,690,041 Associating first and second watermarks with audio or video content 5 2006
7,991,182 Methods for steganographic encoding media 0 2006
7,991,184 Apparatus to process images and video 0 2007
7,400,743 Methods to evaluate images, video and documents 26 2007
7,460,726 Integrating steganographic encoding in multimedia content 83 2007
8,006,092 Digital watermarks for checking authenticity of printed objects 0 2007
8,181,884 Machine-readable features for objects 0 2007
7,965,863 Digital watermarks as a gateway and control mechanism 3 2007
8,300,274 Process for marking substrates with information using a texture pattern and related substrates 0 2008
8,000,495 Digital watermarking systems and methods 3 2008
7,602,978 Deriving multiple identifiers from multimedia content 90 2008
7,970,166 Steganographic encoding methods and apparatus 16 2009
7,831,062 Arrangement of objects in images or graphics to convey a machine-readable signal 42 2009
8,103,879 Processing audio or video content with multiple watermark layers 0 2009
8,073,193 Methods and systems for steganographic processing 0 2009
7,986,845 Steganographic systems and methods 0 2009
8,165,341 Methods and apparatus to process imagery or audio content 3 2010
8,095,989 Associating first and second watermarks with audio or video content 2 2010
8,165,342 Color image or video processing 1 2010
8,447,067 Location-based arrangements employing mobile devices 3 2010
8,150,032 Methods for controlling rendering of images and video 0 2010
8,515,121 Arrangement of objects in images or graphics to convey a machine-readable signal 0 2010
8,763,144 Associating first and second watermarks with audio or video content 0 2012
8,792,675 Color image or video processing 0 2012
 
VERANCE CORPORATION (17)
7,788,684 Media monitoring, management and information system 24 2003
8,781,967 Watermarking in an encrypted domain 0 2006
8,806,517 Media monitoring, management and information system 0 2010
8,280,103 System reactions to the detection of embedded watermarks in a digital host content 1 2010
8,549,307 Forensic marking using a common customization function 0 2011
8,340,348 Methods and apparatus for thwarting watermark detection circumvention 0 2011
8,682,026 Efficient extraction of embedded watermarks in the presence of host content distortions 0 2011
8,615,104 Watermark extraction based on tentative watermarks 0 2011
8,533,481 Extraction of embedded watermarks from a host content based on extrapolation techniques 0 2011
8,745,403 Enhanced content management based on watermark extraction records 0 2011
8,451,086 Remote control signaling using audio watermarks 0 2012
8,346,567 Efficient and secure forensic marking in compressed domain 0 2012
8,538,066 Asymmetric watermark embedding/extraction 1 2012
8,726,304 Time varying evaluation of multimedia content 0 2012
8,745,404 Pre-processed information embedding system 0 2012
8,681,978 Efficient and secure forensic marking in compressed domain 0 2012
8,791,789 Remote control signaling using audio watermarks 0 2013
 
InterTrust Technologies Corp. (5)
7,770,016 Systems and methods for watermarking software and other media 6 2007
7,739,511 Systems and methods for watermarking software and other media 2 2007
8,140,850 Systems and methods for watermarking software and other media 1 2008
8,370,634 Systems and methods for watermarking software and other media 0 2010
8,335,924 Systems and methods for watermarking software and other media 0 2010
 
SCHREINER GROUP GMBH & CO. KG (3)
7,809,152 Visible authentication patterns for printed document 6 2003
7,991,198 Visible authentication patterns for printed document 1 2010
8,189,862 Visible authentication patterns for printed document 0 2011
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
7,496,635 System and method for securing online chat conversations 0 2005
7,657,604 System and method for securing online chat conversations 1 2008
 
The Nielsen Company (US), LLC (2)
7,792,771 Data classification methods and apparatus for use with data fusion 2 2009
8,234,226 Data classification methods and apparatus for use with data fusion 1 2010
 
XEROX CORPORATION (2)
6,993,655 Record and related method for storing encoded information using overt code characteristics to identify covert code characteristics 8 1999
6,970,259 Systems and methods for forgery detection and deterrence of printed documents 89 2000
 
CANON KABUSHIKI KAISHA (1)
8,115,965 Image processing apparatus, control method therefor, and storage medium 0 2008
 
KABUSHIKI KAISHA TOSHIBA (1)
6,945,455 Method and apparatus for recording content containing watermark 3 2004
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
7,133,534 Copy protection via redundant watermark encoding 2 2002
 
NIELSEN MEDIA RESEARCH, INC. (1)
7,516,111 Data classification methods and apparatus for use with data fusion 4 2007
 
PITNEY BOWES INC. (1)
7,286,685 Halftone watermarking and related applications 8 2006
 
The Neilsen Company (US), LLC (1)
8,533,138 Data classification methods and apparatus for use with data fusion 0 2012
 
TOSHIBA TEC KABUSHIKI KAISHA (1)
7,506,801 Document audit trail system and method 0 2005
 
Other [Check patent profile for assignment information] (1)
8,811,655 Circumvention of watermark analysis in a host content 0 2012

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