ATE293316T1 - Stegotextkodierer und -dekodierer - Google Patents

Stegotextkodierer und -dekodierer

Info

Publication number
ATE293316T1
ATE293316T1 AT01953219T AT01953219T ATE293316T1 AT E293316 T1 ATE293316 T1 AT E293316T1 AT 01953219 T AT01953219 T AT 01953219T AT 01953219 T AT01953219 T AT 01953219T AT E293316 T1 ATE293316 T1 AT E293316T1
Authority
AT
Austria
Prior art keywords
stegotext
covertext
domain
log
power spectrogram
Prior art date
Application number
AT01953219T
Other languages
English (en)
Inventor
Roger Fane Sewell
Mark St John Owen
Stephen John Barlow
Simon Paul Long
Original Assignee
Activated Content Corp Inc
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 GB0018489A external-priority patent/GB2365295A/en
Priority claimed from GB0018487A external-priority patent/GB2365285A/en
Priority claimed from GB0018491A external-priority patent/GB2365296A/en
Application filed by Activated Content Corp Inc filed Critical Activated Content Corp Inc
Application granted granted Critical
Publication of ATE293316T1 publication Critical patent/ATE293316T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • H04H20/31Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue signal
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • G06T1/0021Image watermarking
    • G06T1/0028Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/018Audio watermarking, i.e. embedding inaudible data in the audio signal
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00Indexing scheme for image data processing or generation, in general
    • G06T2200/28Indexing scheme for image data processing or generation, in general involving image processing hardware
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00General purpose image data processing
    • G06T2201/005Image watermarking
    • G06T2201/0052Embedding of the watermark in the frequency domain
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00General purpose image data processing
    • G06T2201/005Image watermarking
    • G06T2201/0065Extraction of an embedded watermark; Reliable detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Systems (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Error Detection And Correction (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Vending Machines For Individual Products (AREA)
AT01953219T 2000-07-27 2001-07-27 Stegotextkodierer und -dekodierer ATE293316T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0018489A GB2365295A (en) 2000-07-27 2000-07-27 Watermarking key
GB0018487A GB2365285A (en) 2000-07-27 2000-07-27 Decoding watermarked data using keys and FFT
GB0018491A GB2365296A (en) 2000-07-27 2000-07-27 Encoder/decoder for watermarking a covertext signal
PCT/GB2001/003391 WO2002011326A2 (en) 2000-07-27 2001-07-27 Stegotext encoder and decoder

Publications (1)

Publication Number Publication Date
ATE293316T1 true ATE293316T1 (de) 2005-04-15

Family

ID=27255820

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01953219T ATE293316T1 (de) 2000-07-27 2001-07-27 Stegotextkodierer und -dekodierer

Country Status (8)

Country Link
US (3) US7298841B2 (de)
EP (1) EP1305901B1 (de)
JP (1) JP5105686B2 (de)
AT (1) ATE293316T1 (de)
AU (1) AU2001275712A1 (de)
CA (1) CA2417499A1 (de)
DE (1) DE60110086T2 (de)
WO (1) WO2002011326A2 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7362775B1 (en) * 1996-07-02 2008-04-22 Wistaria Trading, Inc. Exchange mechanisms for digital information packages with bandwidth securitization, multichannel digital watermarks, and key management
US5613004A (en) * 1995-06-07 1997-03-18 The Dice Company Steganographic method and device
US9630443B2 (en) 1995-07-27 2017-04-25 Digimarc Corporation Printer driver separately applying watermark and information
US7664263B2 (en) 1998-03-24 2010-02-16 Moskowitz Scott A Method for combining transfer functions with predetermined key creation
US6205249B1 (en) 1998-04-02 2001-03-20 Scott A. Moskowitz Multiple transform utilization and applications for secure digital watermarking
US7159116B2 (en) 1999-12-07 2007-01-02 Blue Spike, Inc. Systems, methods and devices for trusted transactions
US7457962B2 (en) 1996-07-02 2008-11-25 Wistaria Trading, Inc Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
US7095874B2 (en) * 1996-07-02 2006-08-22 Wistaria Trading, Inc. Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
US7346472B1 (en) * 2000-09-07 2008-03-18 Blue Spike, Inc. Method and device for monitoring and analyzing signals
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
US7177429B2 (en) 2000-12-07 2007-02-13 Blue Spike, Inc. System and methods for permitting open access to data objects and for securing data within the data objects
US7730317B2 (en) 1996-12-20 2010-06-01 Wistaria Trading, Inc. Linear predictive coding implementation of digital watermarks
US7664264B2 (en) * 1999-03-24 2010-02-16 Blue Spike, Inc. Utilizing data reduction in steganographic and cryptographic systems
US7475246B1 (en) 1999-08-04 2009-01-06 Blue Spike, Inc. Secure personal content server
DE60110086T2 (de) 2000-07-27 2006-04-06 Activated Content Corp., Inc., Burlingame Stegotextkodierer und -dekodierer
US6674876B1 (en) * 2000-09-14 2004-01-06 Digimarc Corporation Watermarking in the time-frequency domain
US7127615B2 (en) * 2000-09-20 2006-10-24 Blue Spike, Inc. Security based on subliminal and supraliminal channels for data objects
US7131007B1 (en) 2001-06-04 2006-10-31 At & T Corp. System and method of retrieving a watermark within a signal
US6899475B2 (en) 2002-01-30 2005-05-31 Digimarc Corporation Watermarking a page description language file
US7287275B2 (en) * 2002-04-17 2007-10-23 Moskowitz Scott A Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth
US7152021B2 (en) 2002-08-15 2006-12-19 Digimarc Corporation Computing distortion of media signals embedded data with repetitive structure and log-polar mapping
US8014557B2 (en) 2003-06-23 2011-09-06 Digimarc Corporation Watermarking electronic text documents
DE102004021404B4 (de) * 2004-04-30 2007-05-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Wasserzeicheneinbettung
US8156548B2 (en) * 2004-05-20 2012-04-10 Future Internet Security Ip Pty Ltd. Identification and authentication system and method
US8140848B2 (en) * 2004-07-01 2012-03-20 Digimarc Corporation Digital watermark key generation
ATE401645T1 (de) * 2005-01-21 2008-08-15 Unltd Media Gmbh Verfahren zur einbettung eines digitalen wasserzeichens in ein nutzsignal
CA2508428A1 (fr) * 2005-05-20 2006-11-20 Hydro-Quebec Detection, localisation et interpretation de decharge partielle
US7549111B2 (en) * 2005-09-21 2009-06-16 International Business Machines Corporation Apparatus, system, and method for converting between serial data and encoded holographic data
JP2009545224A (ja) * 2006-07-28 2009-12-17 エヌエックスピー ビー ヴィ メディア再生デコーダ及びその追跡方法
EP2082527B1 (de) 2006-10-18 2014-09-24 Destiny Software Productions Inc. Verfahren für wasserzeichen an medien-daten
US8494903B2 (en) * 2007-03-16 2013-07-23 Activated Content Corporation Universal advertising model utilizing digital linkage technology “U AD”
WO2008122918A2 (en) * 2007-04-06 2008-10-16 Koninklijke Philips Electronics N.V. Secure client-side embedding using multiple one-time-pads
US9466307B1 (en) * 2007-05-22 2016-10-11 Digimarc Corporation Robust spectral encoding and decoding methods
US8700410B2 (en) * 2009-06-18 2014-04-15 Texas Instruments Incorporated Method and system for lossless value-location encoding
AU2010312302B2 (en) * 2009-10-29 2014-04-24 Optimark, L.L.C. Digital watermarking
MX340386B (es) * 2011-06-30 2016-07-07 Samsung Electronics Co Ltd Aparato y metodo para generar señal extendida de ancho de banda.
CN102750956B (zh) * 2012-06-18 2014-07-16 歌尔声学股份有限公司 一种单通道语音去混响的方法和装置
US9391654B2 (en) * 2014-04-25 2016-07-12 The Aerospace Corporation Systems and methods for reducing a relatively high power, approximately constant envelope interference signal that spectrally overlaps a relatively low power desired signal
US9197360B2 (en) * 2014-04-25 2015-11-24 The Aerospace Corporation Systems and methods for reducing a relatively high power, approximately constant envelope interference signal that spectrally overlaps a relatively low power desired signal
KR102189730B1 (ko) * 2015-09-03 2020-12-14 주식회사 쏠리드 디지털 데이터 압축 및 복원 장치
US9654158B2 (en) 2015-10-20 2017-05-16 The Aerospace Corporation Circuits and methods for reducing an interference signal that spectrally overlaps a desired signal
US10340962B2 (en) 2016-05-06 2019-07-02 The Aerospace Corporation Amplitude domain circuits and methods for reducing an interference signal that spectrally overlaps a desired signal
US10206080B2 (en) * 2016-09-08 2019-02-12 Lg Electronics Inc. Method for transmitting or receiving signal in wireless communication system and apparatus therefor
US10650621B1 (en) 2016-09-13 2020-05-12 Iocurrents, Inc. Interfacing with a vehicular controller area network
CN108256807B (zh) * 2018-02-10 2023-10-03 西安科技大学 基于二维码识别的快递员收发件系统及方法
US10965315B2 (en) * 2018-08-09 2021-03-30 Andrew Kamal Data compression method
US11212015B2 (en) 2020-05-19 2021-12-28 The Aerospace Corporation Interference suppression using machine learning
DE102020206723A1 (de) 2020-05-28 2021-12-02 Andreas Schubert Zufallszahlengenerator
CN115103080B (zh) * 2022-05-07 2023-04-21 华南理工大学 一种基于dna三倍体变异的图像加密方法和系统
CN115048682B (zh) * 2022-08-15 2022-11-01 河北省农林科学院农业信息与经济研究所 一种土地流转信息的安全存储方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147695A (en) * 1981-03-06 1982-09-11 Fujitsu Ltd Voice analysis system
JPS57185090A (en) * 1981-05-08 1982-11-15 Kyosan Electric Mfg Recognition pattern checking system
JP3004023B2 (ja) * 1989-11-28 2000-01-31 株式会社東芝 音声認識装置
US5613004A (en) 1995-06-07 1997-03-18 The Dice Company Steganographic method and device
CA2184949C (en) * 1995-09-28 2000-05-30 Ingemar J. Cox Secure spread spectrum watermarking for multimedia data
ATE184140T1 (de) * 1996-03-07 1999-09-15 Fraunhofer Ges Forschung Codierverfahren zur einbringung eines nicht hörbaren datensignals in ein audiosignal, decodierverfahren, codierer und decodierer
US5848155A (en) 1996-09-04 1998-12-08 Nec Research Institute, Inc. Spread spectrum watermark for embedded signalling
JP3649537B2 (ja) * 1996-11-27 2005-05-18 日本アイ・ビー・エム株式会社 データハイディング方法及びデータ抽出方法
WO1998053565A1 (en) 1997-05-19 1998-11-26 Aris Technologies, Inc. Apparatus and method for embedding and extracting information in analog signals using distributed signal features
JPH1132200A (ja) 1997-07-09 1999-02-02 Matsushita Electric Ind Co Ltd 透かしデータ挿入方法及び透かしデータ検出方法
EP0905967A1 (de) * 1997-09-26 1999-03-31 Digital Copyright Technologies AG Verfahren zur Erzeugung von digitalen Wasserzeichen und zum Austausch von digitale Wasserzeichen enthaltenden Daten
GB9801131D0 (en) 1998-01-20 1998-03-18 Nds Ltd Improvements in or relating to watermarks
JP3986150B2 (ja) * 1998-01-27 2007-10-03 興和株式会社 一次元データへの電子透かし
US6145081A (en) * 1998-02-02 2000-11-07 Verance Corporation Method and apparatus for preventing removal of embedded information in cover signals
JP3570213B2 (ja) * 1998-03-27 2004-09-29 株式会社日立製作所 電子透かし画像処理方法
US6272176B1 (en) 1998-07-16 2001-08-07 Nielsen Media Research, Inc. Broadcast encoding system and method
KR100341197B1 (ko) 1998-09-29 2002-06-20 포만 제프리 엘 오디오 데이터로 부가 정보를 매립하는 방법 및 시스템
US6373970B1 (en) * 1998-12-29 2002-04-16 General Electric Company Image registration using fourier phase matching
JP2000269919A (ja) * 1999-03-16 2000-09-29 Matsushita Electric Ind Co Ltd Ofdm通信装置
FR2794600B1 (fr) 1999-06-01 2001-08-17 Thomson Multimedia Sa Systeme de tatouage de donnees utilisant de nouvelles methodes d'insertion et de detection de tatouage
US6766062B1 (en) * 2000-02-16 2004-07-20 The Board Of Trustees Of The Leland Stanford Junior University - Office Of Technology Digital ridgelet transform via digital polar coordinate transform
US6529927B1 (en) * 2000-03-31 2003-03-04 The Regents Of The University Of California Logarithmic compression methods for spectral data
DE60110086T2 (de) 2000-07-27 2006-04-06 Activated Content Corp., Inc., Burlingame Stegotextkodierer und -dekodierer

Also Published As

Publication number Publication date
EP1305901B1 (de) 2005-04-13
US20090190755A1 (en) 2009-07-30
JP5105686B2 (ja) 2012-12-26
US20080152128A1 (en) 2008-06-26
US7917766B2 (en) 2011-03-29
DE60110086T2 (de) 2006-04-06
WO2002011326A2 (en) 2002-02-07
WO2002011326A3 (en) 2003-01-23
AU2001275712A1 (en) 2002-02-13
US7298841B2 (en) 2007-11-20
US7916862B2 (en) 2011-03-29
JP2004515799A (ja) 2004-05-27
US20040028222A1 (en) 2004-02-12
EP1305901A2 (de) 2003-05-02
DE60110086D1 (de) 2005-05-19
CA2417499A1 (en) 2002-02-07

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