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AU2001290822A1 - Authenticating and measuring quality of service of multimedia signals using digital watermark analyses - Google Patents

Authenticating and measuring quality of service of multimedia signals using digital watermark analyses

Info

Publication number
AU2001290822A1
AU2001290822A1 AU2001290822A AU9082201A AU2001290822A1 AU 2001290822 A1 AU2001290822 A1 AU 2001290822A1 AU 2001290822 A AU2001290822 A AU 2001290822A AU 9082201 A AU9082201 A AU 9082201A AU 2001290822 A1 AU2001290822 A1 AU 2001290822A1
Authority
AU
Australia
Prior art keywords
authenticating
analyses
service
digital watermark
multimedia signals
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.)
Abandoned
Application number
AU2001290822A
Inventor
Hugh L. Brunk
Kenneth L. Levy
Jun Tian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digimarc Corp
Original Assignee
Digimarc Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US09/731,456 external-priority patent/US7346776B2/en
Priority claimed from US09/840,016 external-priority patent/US6760464B2/en
Priority claimed from US09/938,870 external-priority patent/US7246239B2/en
Application filed by Digimarc Corp filed Critical Digimarc Corp
Publication of AU2001290822A1 publication Critical patent/AU2001290822A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • G06T1/0021Image watermarking
    • G06T1/0042Fragile watermarking, e.g. so as to detect tampering
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • G06T1/0021Image watermarking
    • G06T1/005Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0071Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/06Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40Network security protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32154Transform domain methods
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32154Transform domain methods
    • H04N1/3216Transform domain methods using Fourier transforms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00Diagnosis, testing or measuring for television systems or their details
    • H04N17/004Diagnosis, testing or measuring for television systems or their details for digital television systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/4425Monitoring of client processing errors or hardware failure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835Generation of protective data, e.g. certificates
    • H04N21/8358Generation of protective data, e.g. certificates involving watermark
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00General purpose image data processing
    • G06T2201/005Image watermarking
    • G06T2201/0051Embedding of the watermark in the spatial domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Databases & Information Systems (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
AU2001290822A 2000-09-11 2001-09-10 Authenticating and measuring quality of service of multimedia signals using digital watermark analyses Abandoned AU2001290822A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US23216300P 2000-09-11 2000-09-11
US60232163 2000-09-11
US09/731,456 US7346776B2 (en) 2000-09-11 2000-12-06 Authenticating media signals by adjusting frequency characteristics to reference values
US09731456 2000-12-06
US09/840,016 US6760464B2 (en) 2000-10-11 2001-04-20 Halftone watermarking and related applications
US09840016 2001-04-20
US09/938,870 US7246239B2 (en) 2001-01-24 2001-08-23 Digital watermarks for checking authenticity of printed objects
US09938870 2001-08-23
PCT/US2001/028523 WO2002023468A1 (en) 2000-09-11 2001-09-10 Authenticating and measuring quality of service of multimedia signals using digital watermark analyses

Publications (1)

Publication Number Publication Date
AU2001290822A1 true AU2001290822A1 (en) 2002-03-26

Family

ID=27499641

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001290822A Abandoned AU2001290822A1 (en) 2000-09-11 2001-09-10 Authenticating and measuring quality of service of multimedia signals using digital watermark analyses

Country Status (3)

Country Link
US (1) US7277468B2 (en)
AU (1) AU2001290822A1 (en)
WO (1) WO2002023468A1 (en)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US6983051B1 (en) 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US5768426A (en) 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US7724919B2 (en) 1994-10-21 2010-05-25 Digimarc Corporation Methods and systems for steganographic processing
US20030133592A1 (en) 1996-05-07 2003-07-17 Rhoads Geoffrey B. Content objects with computer instructions steganographically encoded therein, and associated methods
US7620200B2 (en) 1995-05-08 2009-11-17 Digimarc Corporation Authentication of identification documents
US7756892B2 (en) 2000-05-02 2010-07-13 Digimarc Corporation Using embedded data with file sharing
WO2000031675A2 (en) 1998-11-19 2000-06-02 Digimarc Corporation Printing and validation of self validating security documents
AU2001255445A1 (en) 2000-04-17 2001-10-30 Digimarc Corporation Authentication of physical and electronic media objects using digital watermarks
US7346184B1 (en) 2000-05-02 2008-03-18 Digimarc Corporation Processing methods combining multiple frames of image data
US7246239B2 (en) 2001-01-24 2007-07-17 Digimarc Corporation Digital watermarks for checking authenticity of printed objects
US7656930B2 (en) * 2001-09-10 2010-02-02 Digimarc Corporation Assessing quality of service using digital watermark information
US8458754B2 (en) 2001-01-22 2013-06-04 Sony Computer Entertainment Inc. Method and system for providing instant start multimedia content
US7607016B2 (en) 2001-04-20 2009-10-20 Digimarc Corporation Including a metric in a digital watermark for media authentication
US20030112996A1 (en) * 2001-12-19 2003-06-19 Holliman Matthew J. Automatic monitoring of host signal quality using embedded data
US7321667B2 (en) 2002-01-18 2008-01-22 Digimarc Corporation Data hiding through arrangement of objects
US7152786B2 (en) * 2002-02-12 2006-12-26 Digimarc Corporation Identification document including embedded data
US7119834B2 (en) * 2002-06-06 2006-10-10 Microtune (Texas) L.P. Receiver and system calibration system and method
US7974495B2 (en) 2002-06-10 2011-07-05 Digimarc Corporation Identification and protection of video
WO2003107653A1 (en) * 2002-06-17 2003-12-24 Koninklijke Philips Electronics N.V. Lossless data embedding
EP1388813A2 (en) 2002-08-09 2004-02-11 Matsushita Electric Industrial Co., Ltd. Apparatus and method for image watermarking
US7152021B2 (en) * 2002-08-15 2006-12-19 Digimarc Corporation Computing distortion of media signals embedded data with repetitive structure and log-polar mapping
US20060198557A1 (en) * 2003-04-08 2006-09-07 Van De Kerkhof Leon M Fragile audio watermark related to a buried data channel
JP4527369B2 (en) * 2003-07-31 2010-08-18 富士通株式会社 Data embedding device and data extraction device
EP1661371A4 (en) * 2003-08-05 2009-05-06 Inmate Telephone Inc THREE TELEPHONE CONFERENCE DETECTION USING STEGANOGRAPHY
US7532723B2 (en) * 2003-11-24 2009-05-12 Interdigital Technology Corporation Tokens/keys for wireless communications
US20050220322A1 (en) * 2004-01-13 2005-10-06 Interdigital Technology Corporation Watermarks/signatures for wireless communications
US20070121939A1 (en) * 2004-01-13 2007-05-31 Interdigital Technology Corporation Watermarks for wireless communications
WO2005069836A2 (en) * 2004-01-13 2005-08-04 Interdigital Technology Corporation Orthogonal frequency division multiplexing (ofdm) method and apparatus for protecting and authenticating wirelessly transmitted digital information
KR100541526B1 (en) * 2004-01-30 2006-01-10 에스케이 텔레콤주식회사 Method and device for measuring transmission quality of multimedia data
AR047882A1 (en) * 2004-02-18 2006-03-01 Interdigital Tech Corp A METHOD AND SYSTEM TO USE WATER BRANDS IN COMMUNICATION SYSTEMS
US20050232580A1 (en) * 2004-03-11 2005-10-20 Interdigital Technology Corporation Control of device operation within an area
WO2005089213A2 (en) * 2004-03-12 2005-09-29 Interdigital Technology Corporation Watermarking of recordings
US8870639B2 (en) 2004-06-28 2014-10-28 Winview, Inc. Methods and apparatus for distributed gaming over a mobile device
US8376855B2 (en) 2004-06-28 2013-02-19 Winview, Inc. Methods and apparatus for distributed gaming over a mobile device
US10226698B1 (en) 2004-07-14 2019-03-12 Winview, Inc. Game of skill played by remote participants utilizing wireless devices in connection with a common game event
WO2006058220A2 (en) * 2004-11-24 2006-06-01 Interdigital Technology Corporation Protecting content objects with rights management information
US20060137018A1 (en) * 2004-11-29 2006-06-22 Interdigital Technology Corporation Method and apparatus to provide secured surveillance data to authorized entities
US20060159440A1 (en) * 2004-11-29 2006-07-20 Interdigital Technology Corporation Method and apparatus for disrupting an autofocusing mechanism
US7321761B2 (en) * 2004-12-03 2008-01-22 Interdigital Technology Corporation Method and apparatus for preventing unauthorized data from being transferred
US20070242852A1 (en) * 2004-12-03 2007-10-18 Interdigital Technology Corporation Method and apparatus for watermarking sensed data
US7272240B2 (en) * 2004-12-03 2007-09-18 Interdigital Technology Corporation Method and apparatus for generating, sensing, and adjusting watermarks
US7574220B2 (en) * 2004-12-06 2009-08-11 Interdigital Technology Corporation Method and apparatus for alerting a target that it is subject to sensing and restricting access to sensed content associated with the target
US20060227640A1 (en) * 2004-12-06 2006-10-12 Interdigital Technology Corporation Sensing device with activation and sensing alert functions
TW200730836A (en) * 2004-12-06 2007-08-16 Interdigital Tech Corp Method and apparatus for detecting portable electronic device functionality
US7904723B2 (en) * 2005-01-12 2011-03-08 Interdigital Technology Corporation Method and apparatus for enhancing security of wireless communications
US20060184960A1 (en) * 2005-02-14 2006-08-17 Universal Music Group, Inc. Method and system for enabling commerce from broadcast content
US7987369B2 (en) * 2005-03-03 2011-07-26 Interdigital Technology Corporation Using watermarking to reduce communication overhead
US7992219B2 (en) * 2005-03-14 2011-08-09 Sullivans, Inc. Hybrid motorsport garment
US10721543B2 (en) 2005-06-20 2020-07-21 Winview, Inc. Method of and system for managing client resources and assets for activities on computing devices
US9511287B2 (en) 2005-10-03 2016-12-06 Winview, Inc. Cellular phone games based upon television archives
US8149530B1 (en) 2006-04-12 2012-04-03 Winview, Inc. Methodology for equalizing systemic latencies in television reception in connection with games of skill played in connection with live television programming
US9919210B2 (en) 2005-10-03 2018-03-20 Winview, Inc. Synchronized gaming and programming
US20070086033A1 (en) * 2005-10-14 2007-04-19 Sony Computer Entertainment Inc. Media distribution methods and systems with quality degradation
US10556183B2 (en) 2006-01-10 2020-02-11 Winview, Inc. Method of and system for conducting multiple contest of skill with a single performance
US9056251B2 (en) 2006-01-10 2015-06-16 Winview, Inc. Method of and system for conducting multiple contests of skill with a single performance
US8002618B1 (en) 2006-01-10 2011-08-23 Winview, Inc. Method of and system for conducting multiple contests of skill with a single performance
JP4791533B2 (en) * 2006-03-16 2011-10-12 パナソニック株式会社 Terminal device
US11082746B2 (en) * 2006-04-12 2021-08-03 Winview, Inc. Synchronized gaming and programming
US7707224B2 (en) 2006-11-03 2010-04-27 Google Inc. Blocking of unlicensed audio content in video files on a video hosting website
FR2908952A1 (en) * 2006-11-16 2008-05-23 Thomson Licensing Sas METHOD FOR TATOTING A DIGITAL DATA SET AND DEVICE IMPLEMENTING SAID METHOD.
US8542802B2 (en) 2007-02-15 2013-09-24 Global Tel*Link Corporation System and method for three-way call detection
US20080201158A1 (en) 2007-02-15 2008-08-21 Johnson Mark D System and method for visitation management in a controlled-access environment
JP5337147B2 (en) 2007-05-03 2013-11-06 グーグル インコーポレイテッド Converting digital content postings into cash
US8094872B1 (en) * 2007-05-09 2012-01-10 Google Inc. Three-dimensional wavelet based video fingerprinting
US8611422B1 (en) 2007-06-19 2013-12-17 Google Inc. Endpoint based video fingerprinting
TWI332367B (en) * 2007-07-02 2010-10-21 Inventec Corp Method and equipment for monitoring tone quality of audio player and broadcast system
US9483405B2 (en) 2007-09-20 2016-11-01 Sony Interactive Entertainment Inc. Simplified run-time program translation for emulating complex processor pipelines
US9716918B1 (en) 2008-11-10 2017-07-25 Winview, Inc. Interactive advertising system
US8630726B2 (en) 2009-02-12 2014-01-14 Value-Added Communications, Inc. System and method for detecting three-way call circumvention attempts
US9225838B2 (en) 2009-02-12 2015-12-29 Value-Added Communications, Inc. System and method for detecting three-way call circumvention attempts
US8345569B2 (en) * 2009-11-23 2013-01-01 Dialogic Corporation Multiple watermarks for fidelity assessment
JP5760438B2 (en) * 2010-12-28 2015-08-12 富士通株式会社 Digital watermark embedding apparatus, digital watermark embedding method, digital watermark embedding computer program, and digital watermark detection apparatus
US9245310B2 (en) * 2013-03-15 2016-01-26 Qumu Corporation Content watermarking
US10157437B2 (en) 2013-08-27 2018-12-18 Morphotrust Usa, Llc System and method for digital watermarking
US11962876B2 (en) * 2014-01-31 2024-04-16 Digimarc Corporation Recycling methods and systems, and related plastic containers
US20190306385A1 (en) 2014-01-31 2019-10-03 Digimarc Corporation Concerning digital marking and reading of plastic items, useful in recycling
EP3171584B1 (en) * 2014-07-14 2021-08-11 Fujitsu Limited Electronic watermark information detection apparatus and electronic watermark information detection method
US9716807B2 (en) * 2014-10-13 2017-07-25 Digimarc Corporation Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements
US10147433B1 (en) 2015-05-03 2018-12-04 Digimarc Corporation Digital watermark encoding and decoding with localization and payload replacement
US10102602B2 (en) 2015-11-24 2018-10-16 The Nielsen Company (Us), Llc Detecting watermark modifications
US10572961B2 (en) 2016-03-15 2020-02-25 Global Tel*Link Corporation Detection and prevention of inmate to inmate message relay
US10236031B1 (en) 2016-04-05 2019-03-19 Digimarc Corporation Timeline reconstruction using dynamic path estimation from detections in audio-video signals
US9609121B1 (en) 2016-04-07 2017-03-28 Global Tel*Link Corporation System and method for third party monitoring of voice and video calls
DE102017111993A1 (en) * 2016-05-31 2017-11-30 Maxim Integrated Products, Inc. DEVICE AND METHOD FOR PROTECTING SAFETY AND SAFETY AND REPLACEMENT RELEVANT REAL-TIME VIDEO DATA
US11551529B2 (en) 2016-07-20 2023-01-10 Winview, Inc. Method of generating separate contests of skill or chance from two independent events
US10027797B1 (en) 2017-05-10 2018-07-17 Global Tel*Link Corporation Alarm control for inmate call monitoring
US10225396B2 (en) 2017-05-18 2019-03-05 Global Tel*Link Corporation Third party monitoring of a activity within a monitoring platform
US10860786B2 (en) 2017-06-01 2020-12-08 Global Tel*Link Corporation System and method for analyzing and investigating communication data from a controlled environment
US9930088B1 (en) 2017-06-22 2018-03-27 Global Tel*Link Corporation Utilizing VoIP codec negotiation during a controlled environment call
US11308765B2 (en) 2018-10-08 2022-04-19 Winview, Inc. Method and systems for reducing risk in setting odds for single fixed in-play propositions utilizing real time input
US12348840B2 (en) 2019-03-01 2025-07-01 Digimarc Corporation Recycling methods and systems, and related plastic containers
WO2020186386A1 (en) * 2019-03-15 2020-09-24 Boe Technology Group Co., Ltd. Method of encoding watermark into digital image, apparatus for encoding watermark into digital image, method of detecting watermark in digital image, apparatus for detecting watermark in digital image, and computer-program product

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488483A (en) * 1973-10-23 1977-10-12 Emi Ltd Credit cards and other security documents
US4550395A (en) * 1981-01-08 1985-10-29 Carlson John E Holographic system for the storage of audio, video and computer data
US5200822A (en) * 1991-04-23 1993-04-06 National Broadcasting Company, Inc. Arrangement for and method of processing data, especially for identifying and verifying airing of television broadcast programs
US5721788A (en) * 1992-07-31 1998-02-24 Corbis Corporation Method and system for digital image signatures
US5355161A (en) * 1993-07-28 1994-10-11 Concord Media Systems Identification system for broadcast program segments
US5768426A (en) * 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US5636292C1 (en) * 1995-05-08 2002-06-18 Digimarc Corp Steganography methods employing embedded calibration data
US5710834A (en) * 1995-05-08 1998-01-20 Digimarc Corporation Method and apparatus responsive to a code signal conveyed through a graphic image
US5748783A (en) * 1995-05-08 1998-05-05 Digimarc Corporation Method and apparatus for robust information coding
US5841978A (en) * 1993-11-18 1998-11-24 Digimarc Corporation Network linking method using steganographically embedded data objects
US6122403A (en) * 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
US7007166B1 (en) * 1994-12-28 2006-02-28 Wistaria Trading, Inc. Method and system for digital watermarking
US5818520A (en) * 1996-02-12 1998-10-06 Tektronix, Inc. Programmable instrument for automatic measurement of compressed video quality
US5761686A (en) * 1996-06-27 1998-06-02 Xerox Corporation Embedding encoded information in an iconic version of a text image
US6069914A (en) * 1996-09-19 2000-05-30 Nec Research Institute, Inc. Watermarking of image data using MPEG/JPEG coefficients
US5848155A (en) * 1996-09-04 1998-12-08 Nec Research Institute, Inc. Spread spectrum watermark for embedded signalling
US5809139A (en) * 1996-09-13 1998-09-15 Vivo Software, Inc. Watermarking method and apparatus for compressed digital video
US5915027A (en) * 1996-11-05 1999-06-22 Nec Research Institute Digital watermarking
US6211919B1 (en) * 1997-03-28 2001-04-03 Tektronix, Inc. Transparent embedment of data in a video signal
US6145042A (en) * 1997-12-23 2000-11-07 Emc Corporation Timing protocol for a data storage system
CA2666703A1 (en) * 1998-01-20 1999-07-22 Digimarc Corporation Multiple watermarking techniques
US6556689B1 (en) * 1998-05-29 2003-04-29 University Of Delaware Watermarking methods for digital images and videos
JP3156667B2 (en) * 1998-06-01 2001-04-16 日本電気株式会社 Digital watermark insertion system, digital watermark characteristic table creation device
US6285775B1 (en) * 1998-10-01 2001-09-04 The Trustees Of The University Of Princeton Watermarking scheme for image authentication
US6532541B1 (en) * 1999-01-22 2003-03-11 The Trustees Of Columbia University In The City Of New York Method and apparatus for image authentication
GB2351405B (en) * 1999-06-21 2003-09-24 Motorola Ltd Watermarked digital images
US6721459B1 (en) * 1999-12-03 2004-04-13 Eastman Kodak Company Storing sharpness data using embedded carriers
US6385329B1 (en) * 2000-02-14 2002-05-07 Digimarc Corporation Wavelet domain watermarks
US7346776B2 (en) * 2000-09-11 2008-03-18 Digimarc Corporation Authenticating media signals by adjusting frequency characteristics to reference values
US6512837B1 (en) * 2000-10-11 2003-01-28 Digimarc Corporation Watermarks carrying content dependent signal metrics for detecting and characterizing signal alteration
US6694041B1 (en) * 2000-10-11 2004-02-17 Digimarc Corporation Halftone watermarking and related applications
US7043049B2 (en) * 2000-11-30 2006-05-09 Intel Corporation Apparatus and method for monitoring streamed multimedia quality using digital watermark
JP3647372B2 (en) * 2000-12-28 2005-05-11 キヤノン株式会社 Image processing apparatus and method
EP1362485B1 (en) * 2001-02-12 2008-08-13 Gracenote, Inc. Generating and matching hashes of multimedia content
US20020146120A1 (en) * 2001-04-05 2002-10-10 Hugh Anglin Inspecting print quality using digital watermarks

Also Published As

Publication number Publication date
US7277468B2 (en) 2007-10-02
WO2002023468A1 (en) 2002-03-21
US20020076084A1 (en) 2002-06-20

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