US Patent No: 7,555,139

Number of patents in Portfolio can not be more than 2000

Secure documents with hidden signals, and related methods and systems

ALSO PUBLISHED AS: 20080130945

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Abstract

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A security document comprising artwork including a security pattern, characterized in that the security pattern has the form of a line structure in which lines width or line spacing is adjusted to carry predefined data. The artwork is generated by the modifying at least one color of at least a part of the artwork to embed the security pattern in the artwork. Methods for detecting the security pattern include use of a frequency domain structure to detect the security pattern despite rotation and scaling of the document, use of signal tiling to improve signal detection, and use of statistical analyses to verify detection of the security pattern.

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First Claim

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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
Rhoads, Geoffrey B West Linn, OR 954 41977
Rodriguez, Tony F Portland, OR 300 6026

Cited Art Landscape

Patent Info (Count) # Cites Year
 
DIGIMARC CORPORATION (32)
5,768,426 Graphics processing system employing embedded code signals 493 1994
5,636,292 Steganography methods employing embedded calibration data 652 1995
5,748,783 Method and apparatus for robust information coding 430 1995
5,841,886 Security system for photographic identification 290 1996
6,449,377 Methods and systems for watermark processing of line art images 132 1998
6,345,104 Digital watermarks and methods for security documents 247 1998
6,549,638 Methods for evidencing illicit use of a computer system or device 47 1998
6,546,112 Security document with steganographically-encoded authentication data 92 1998
6,580,819 Methods of producing security documents having digitally encoded data and documents employing same 100 1999
6,427,020 Methods and devices for recognizing banknotes and responding accordingly 175 1999
6,343,138 Security documents with hidden digital data 232 1999
6,700,990 Digital watermark decoding method 165 1999
6,674,886 Method and system for recognizing security documents 37 1999
6,408,082 Watermark detection using a fourier mellin transform 199 1999
6,813,366 Steganographic decoding with transform to spatial domain 111 1999
6,289,108 Methods for detecting alteration of audio and images 147 2000
6,516,079 Digital watermark screening and detecting strategies 100 2000
6,424,725 Determining transformations of media signals with embedded code signals 154 2000
6,567,534 Methods and systems for watermark processing of line art images 64 2000
6,522,771 Processing scanned security documents notwithstanding corruptions such as rotation 77 2001
6,580,808 Method and apparatus for discerning image distortion by reference to encoded marker signals 128 2001
7,043,052 Digital authentication with analog documents 53 2002
6,754,377 Methods and systems for marking printed documents 83 2002
6,922,480 Methods for encoding security documents 26 2002
7,113,615 Watermark embedder and reader 117 2003
6,959,100 Secure document design with machine readable, variable message encoded in a visible registration pattern 60 2003
7,286,684 Secure document design carrying auxiliary machine readable information 57 2003
7,181,042 Digital authentication with digital and analog documents 21 2003
7,239,734 Authentication of identification documents and banknotes 69 2005
7,330,563 Documents, articles and authentication of documents and articles 16 2006
7,349,555 Documents and apparatus to encode documents 34 2007
2008/0118,099 Identification and protection of security documents 4 2007
 
XEROX CORPORATION (8)
4,728,984 Data handling and archiving system 96 1986
5,091,966 Adaptive scaling for decoding spatially periodic self-clocking glyph shape codes 280 1990
5,221,833 Methods and means for reducing bit error rates in reading self-clocking glyph codes 168 1991
5,291,243 System for electronically printing plural-color tamper-resistant documents 224 1993
5,449,896 Random access techniques for use with self-clocking glyph codes 136 1993
6,076,738 Self-clocking glyph shape codes 83 1994
5,949,055 Automatic geometric image transformations using embedded signals 222 1997
6,081,345 Line screen having extended dynamic tone range for embedding machine readable data in halftone images 30 1998
 
SILVERBROOK RESEARCH PTY LTD (3)
6,727,996 Interactive printer 28 2000
6,830,196 Identity-coded surface region 14 2000
7,099,019 Interface surface printer using invisible ink 25 2001
 
LUCENT TECHNOLOGIES INC. (2)
5,799,092 Self-verifying identification card 121 1995
5,629,770 Document copying deterrent method using line and word shift techniques 147 1995
 
PITNEY BOWES INC. (2)
5,864,622 Secure identification card and method and apparatus for producing and authenticating same 75 1992
5,384,846 System and apparatus for controlled production of a secure identification card 106 1993
 
SONY CORPORATION (2)
5,237,164 Card having retroreflective bar codes and a magnetic stripe 100 1991
5,646,997 Method and apparatus for embedding authentication information within digital data 637 1994
 
SYMBOL TECHNOLOGIES, INC. (2)
5,337,361 Record with encoded data 392 1992
5,471,533 Record with encoded data 240 1994
 
AIRTRAX CORPORATION (1)
5,319,453 Method and apparatus for video signal encoding, decoding and monitoring 286 1989
 
ANVIK, INC. (1)
5,284,364 Increased-security identification card system 124 1992
 
APPLIED MATERIALS, INC. (1)
7,072,490 Symmetry watermark 15 2002
 
AUDIOUDIT INC. (1)
5,379,345 Method and apparatus for the processing of encoded data in conjunction with an audio broadcast 365 1993
 
DATACARD CORPORATION (1)
4,675,746 System for forming picture, alphanumeric and micrographic images on the surface of a plastic card 181 1986
 
EASTMAN KODAK COMPANY (1)
5,436,970 Method and apparatus for transaction card verification 96 1993
 
ESECUREDOCS, INC. (1)
7,080,041 System and method for production and authentication of original documents 112 2004
 
Esselte Security Systems AB (1)
4,590,366 Method of securing simple codes 176 1984
 
FISERV CIR, INC. (1)
6,871,789 Document printed with graphical symbols which encode information 29 2003
 
FUJI XEROX CO., LTD. (1)
5,515,451 Image processing system for selectively reproducing documents 71 1993
 
GTECH SERVICES CORPORATION, A CORP. OF DE (1)
4,736,109 Coded document and document reading system 82 1986
 
Her Majesty the Queen in right of Canada, as represented by the Minister of Communications (1)
6,292,092 Secure personal identification instrument and method for creating same 111 1996
 
I.D. Tec, S.L. (1)
5,787,186 Biometric security process for authenticating identity and credit cards, visas, passports and facial recognition 138 1996
 
ID TECHNOLOGIES, LLC (1)
5,505,494 System for producing a personal ID card 86 1993
 
INTEL CORPORATION (1)
5,469,222 Non-linear pixel interpolator function for video and graphic processing 76 1993
 
INTELLECTUAL VENTURES FUND 83 LLC (1)
5,835,639 Method for detecting rotation and magnification in images 113 1996
 
INTERACTIVE HOME SYSTEMS (1)
5,721,788 Method and system for digital image signatures 595 1992
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
5,912,974 Apparatus and method for authentication of printed documents 148 1997
 
Joh. Enschede En Zonen Grafische Inrichting B.V. (1)
5,374,976 Support provided with a machine detectable copying security element 162 1993
 
KABUSHIKI KAISHA TOSHIBA (1)
5,652,626 Image processing apparatus using pattern generating circuits to process a color image 309 1994
 
L-1 SECURE CREDENTIALING, INC. (FORMERLY KNOWN AS DIGIMARC CORPORATION) (1)
5,907,149 Identification card with delimited usage 186 1994
 
Light Signatures, Inc. (1)
4,689,477 Verification system for document substance and content 90 1985
 
MEDIASEC TECHNOLOGIES GMBH (1)
6,751,336 Digital authentication with digital and analog documents 60 2002
 
MEDIASEC TECHNOLOGIES LLC (1)
6,487,301 Digital authentication with digital and analog documents 127 2001
 
Minolta Camera Kabushiki Kaisha (1)
5,671,277 Image forming apparatus and copy management system 136 1994
 
NEC CORPORATION (1)
6,263,087 Method of encoding bits in a signal 30 1998
 
NEC PERSONAL COMPUTERS, LTD. (1)
6,024,287 Card recording medium, certifying method and apparatus for the recording medium, forming system for recording medium, enciphering system, decoder therefor, and recording medium 133 1997
 
NIELSEN MEDIA RESEARCH, INC. (1)
4,677,466 Broadcast program identification method and apparatus 462 1985
 
OMRON CORPORATION (1)
5,845,008 Image processing device and method for identifying an input image, and copier scanner and printer including same 49 1995
 
RICOH COMPANY, LTD. (1)
5,671,282 Method and apparatus for document verification and tracking 377 1995
 
SCHMEISER, MORELLE & WATTS (1)
5,018,767 Counterfeit protected document 93 1989
 
SEPRO ROBOTIQUE 44 BOULEVARD DES ETATS UNIS (1)
5,329,108 Map with indexes for a geographical information system and system for applying same 93 1992
 
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
5,659,726 Data embedding 332 1995
 
The Standard Register Company (1)
5,951,055 Security document containing encoded data block 98 1997
 
THOMSON LICENSING (1)
6,782,116 Apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformation 58 2002
 
TOLTEK ELECTRONICS CORPORATION (1)
4,908,873 Document reproduction security system 307 1983
 
UNITED PARCEL SERVICE OF AMERICA, INC. (1)
4,874,936 Hexagonal, information encoding article, process and system 258 1988
 
V-ONE CORPORATION (1)
5,694,471 Counterfeit-proof identification card 187 1994
 
VADEM (1)
6,044,171 Method and apparatus for pattern recognition and representation using fourier descriptors and iterative transformation-reparametrization 22 1995
 
ZEROX - THE DOCUMENT COMPANY SAS (1)
5,982,956 Secure method for duplicating sensitive documents 120 1997
 
Other [Check patent profile for assignment information] (3)
4,843,631 Pattern recognition process 97 1987
4,972,476 Counterfeit proof ID card having a scrambled facial image 243 1989
5,495,581 Method and apparatus for linking a document with associated reference information using pattern matching 195 1993

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
DIGIMARC CORPORATION (57)
8,505,108 Authentication using a digital watermark 0 2002
8,769,297 Method for increasing the functionality of a media player/recorder device or an application program 0 2003
8,144,368 Automated methods for distinguishing copies from original printed objects 4 2003
8,014,557 Watermarking electronic text documents 0 2004
8,228,563 Watermarking a page description language file 0 2005
8,204,222 Steganographic encoding and decoding of auxiliary codes in media signals 4 2005
8,059,858 Identification document and related methods 5 2006
7,991,182 Methods for steganographic encoding media 0 2006
8,045,748 Watermark embedding functions adapted for transmission channels 1 2006
7,806,322 Authentication methods and systems including embedded auxiliary data 15 2006
7,991,184 Apparatus to process images and video 0 2007
8,290,202 Methods utilizing steganography 0 2007
7,987,094 Audio encoding to convey auxiliary information, and decoding of same 0 2007
8,051,169 Methods and systems useful in linking from objects to remote resources 2 2007
8,006,092 Digital watermarks for checking authenticity of printed objects 0 2007
8,181,884 Machine-readable features for objects 0 2007
8,312,168 Methods for linking from objects to remote resources 7 2007
8,301,893 Detecting media areas likely of hosting watermarks 0 2007
8,391,541 Steganographic encoding and detecting for video signals 0 2007
8,355,514 Audio encoding to convey auxiliary information, and media embodying same 1 2007
8,131,760 Using object identifiers with content distribution 3 2007
7,724,920 Digital authentication with analog documents 15 2007
7,697,719 Methods for analyzing electronic media including video and audio 104 2007
8,126,272 Methods combining multiple frames of image data 4 2008
8,023,692 Apparatus and methods to process video or audio 2 2008
8,041,074 Content indexing and searching using content identifiers and associated metadata 4 2008
7,831,062 Arrangement of objects in images or graphics to convey a machine-readable signal 42 2009
8,051,294 Methods for audio watermarking and decoding 0 2009
7,957,553 Digital watermarking apparatus and methods 18 2009
8,000,518 Methods, objects and apparatus employing machine readable data 0 2009
8,009,893 Security document carrying machine readable pattern 1 2009
8,055,012 Hiding and detecting messages in media signals 0 2009
8,073,193 Methods and systems for steganographic processing 0 2009
7,974,439 Embedding hidden auxiliary information in media 4 2009
8,036,419 Digital watermarks 3 2009
8,014,562 Signal processing of audio and video data, including deriving identifying information 0 2009
7,916,354 Hiding and detecting auxiliary data in media materials and signals 17 2009
8,051,295 Benchmarks for digital watermarking 3 2009
7,936,900 Processing data representing video and audio and methods related thereto 17 2009
8,280,101 Identification documents and authentication of such documents 0 2009
8,788,971 Methods and arrangements for composing information-carrying artwork 0 2010
8,116,516 Controlling use of audio or image content 0 2010
8,165,341 Methods and apparatus to process imagery or audio content 3 2010
8,447,067 Location-based arrangements employing mobile devices 3 2010
8,068,679 Audio and video signal processing 2 2010
8,411,898 Digital authentication with analog documents 0 2010
8,014,563 Methods and systems for steganographic processing 0 2010
8,050,451 Electronic forms using indicia, sometimes hidden indicia 1 2010
8,144,924 Content objects with computer instructions steganographically encoded therein, and associated methods 0 2010
8,059,860 Steganographic encoding 0 2010
8,483,426 Digital watermarks 0 2010
8,078,697 Network linking methods and apparatus 1 2010
8,175,329 Authentication of physical and electronic media objects using digital watermarks 0 2010
8,515,121 Arrangement of objects in images or graphics to convey a machine-readable signal 0 2010
8,320,611 Watermarking electronic text documents 2011
8,391,545 Signal processing of audio and video data, including assessment of embedded data 0 2011
8,644,548 Digital watermarks 0 2011
 
EASTMAN KODAK COMPANY (3)
8,496,998 Producing gloss watermark on receiver 1 2011
8,750,773 Producing gloss-watermark pattern on fixing member 0 2012
8,639,168 Producing gloss-watermark pattern on fixing member 0 2012
 
CABLE TELEVISION LABORATORIES, INC. (1)
7,974,495 Identification and protection of video 4 2009
 
DOLBY LABORATORIES LICENSING CORPORATION (1)
8,600,185 Systems and methods for restoring color and non-color related integrity in an image 0 2012

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