WO2001043067A3 - Improvements in or relating to applications of fractal and/or chaotic techniques - Google Patents

Improvements in or relating to applications of fractal and/or chaotic techniques Download PDF

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Publication number
WO2001043067A3
WO2001043067A3 PCT/GB2000/004736 GB0004736W WO0143067A3 WO 2001043067 A3 WO2001043067 A3 WO 2001043067A3 GB 0004736 W GB0004736 W GB 0004736W WO 0143067 A3 WO0143067 A3 WO 0143067A3
Authority
WO
WIPO (PCT)
Prior art keywords
techniques
fractal
chaotic
relating
improvements
Prior art date
Application number
PCT/GB2000/004736
Other languages
French (fr)
Other versions
WO2001043067A2 (en
Inventor
William Nevil Heaton Johnson
Jonathan Michael Blackledge
Bruce Lawrence John Murray
Original Assignee
Durand Technology Ltd
Johnson William N H
Jonathan Michael Blackledge
Bruce Lawrence John Murray
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 to GBGB9929364.9A priority Critical patent/GB9929364D0/en
Priority to GB9929364.9 priority
Priority to GBGB9929940.6A priority patent/GB9929940D0/en
Priority to GB9929940.6 priority
Priority to GB0000952A priority patent/GB0000952D0/en
Priority to GB0000952.2 priority
Priority to GB0006239A priority patent/GB0006239D0/en
Priority to GB0006239.8 priority
Priority to GB0006964.1 priority
Priority to GB0006964A priority patent/GB0006964D0/en
Application filed by Durand Technology Ltd, Johnson William N H, Jonathan Michael Blackledge, Bruce Lawrence John Murray filed Critical Durand Technology Ltd
Publication of WO2001043067A2 publication Critical patent/WO2001043067A2/en
Publication of WO2001043067A3 publication Critical patent/WO2001043067A3/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N7/00Computer systems based on specific mathematical models
    • G06N7/08Computer systems based on specific mathematical models using chaos models or non-linear system models
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication

Abstract

This invention relates to the application of techniques based upon the mathematics of fractals and chaos in various fields including document verification, data encryption and weather forecasting. The invention also relates, in one of its aspects, to image processing.
PCT/GB2000/004736 1999-12-10 2000-12-11 Improvements in or relating to applications of fractal and/or chaotic techniques WO2001043067A2 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GBGB9929364.9A GB9929364D0 (en) 1999-12-10 1999-12-10 Improvements in or relating to coding techniques
GB9929364.9 1999-12-10
GBGB9929940.6A GB9929940D0 (en) 1999-12-17 1999-12-17 Anti-Counterfeiting and signature verification system
GB9929940.6 1999-12-17
GB0000952.2 2000-01-17
GB0000952A GB0000952D0 (en) 2000-01-17 2000-01-17 Data encryption and modulation using fractals and chaos
GB0006239A GB0006239D0 (en) 2000-03-15 2000-03-15 Improvements in or relating to image processing
GB0006239.8 2000-03-15
GB0006964A GB0006964D0 (en) 2000-03-22 2000-03-22 Predictive apparatus and method
GB0006964.1 2000-03-22

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00985528A EP1236183A2 (en) 1999-12-10 2000-12-11 Improvements in or relating to applications of fractal and/or chaotic techniques
AU21941/01A AU2194101A (en) 1999-12-10 2000-12-11 Improvements in or relating to applications of fractal and/or chaotic techniques
GBGB0226052.9A GB0226052D0 (en) 1999-12-10 2002-11-07 Improvements in or relating to applications of fractal and/or chaotic techniques

Publications (2)

Publication Number Publication Date
WO2001043067A2 WO2001043067A2 (en) 2001-06-14
WO2001043067A3 true WO2001043067A3 (en) 2002-05-10

Family

ID=27515907

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/004736 WO2001043067A2 (en) 1999-12-10 2000-12-11 Improvements in or relating to applications of fractal and/or chaotic techniques

Country Status (5)

Country Link
EP (1) EP1236183A2 (en)
CN (1) CN1433559A (en)
AU (1) AU2194101A (en)
GB (1) GB0226052D0 (en)
WO (1) WO2001043067A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10356578A1 (en) * 2003-12-04 2005-07-07 Atlas Elektronik Gmbh Method for detecting targets
CN103023633B (en) * 2012-11-06 2015-06-17 浙江农林大学 Digital image hiding method based on chaotic random phase and coherence stack principle
US9589124B2 (en) 2014-05-29 2017-03-07 Comcast Cable Communications, Llc Steganographic access controls
TWI550268B (en) * 2015-05-22 2016-09-21 Method of Improving Sensitivity of Quantitative Tissue Characteristic of Ultrasonic

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WO1999008225A1 (en) * 1997-08-08 1999-02-18 Breast Screening Decision Support System R & D Syndicate Breast screening - early detection and aid to diagnosis
WO1999017260A1 (en) * 1997-09-30 1999-04-08 Durand Limited Anti-counterfeiting and diffusive screens
WO1999033024A1 (en) * 1997-12-22 1999-07-01 Koninklijke Philips Electronics N.V. Method and arrangement for creating a high-resolution still picture
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WO1999053428A1 (en) * 1998-04-16 1999-10-21 Digimarc Corporation Digital watermarking and banknotes
US5974188A (en) * 1996-11-20 1999-10-26 U.S. Philips Corporation Method of fractal image coding and arrangement of performing the method
WO2000051055A2 (en) * 1999-02-22 2000-08-31 Vialogy Corporation Method and apparatus for monitoring therapy effectiveness

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222662A (en) * 1979-04-04 1980-09-16 Visual Methods, Inc. Access control system
US4628468A (en) * 1984-04-13 1986-12-09 Exxon Production Research Co. Method and means for determining physical properties from measurements of microstructure in porous media
US4921278A (en) * 1985-04-01 1990-05-01 Chinese Academy Of Sciences Identification system using computer generated moire
EP0316770A2 (en) * 1987-11-13 1989-05-24 Polaroid Corporation System and method for formatting a composite still and moving image defining electronic information signal
EP0467239A2 (en) * 1990-07-16 1992-01-22 Hughes Aircraft Company An encryption system based on Chaos theory
EP0487855A1 (en) * 1990-11-27 1992-06-03 Atr Auditory And Visual Perception Research Laboratories Analysis method of eyeball control system
US5201321A (en) * 1991-02-11 1993-04-13 Fulton Keith W Method and apparatus for diagnosing vulnerability to lethal cardiac arrhythmias
EP0525592A2 (en) * 1991-07-26 1993-02-03 Hitachi, Ltd. Information processing system using fractal dimension
WO1994019770A1 (en) * 1993-02-19 1994-09-01 Her Majesty In Right Of Canada, As Represented By The Minister Of Communications Secure personal identification instrument and method for creating same
WO1995006927A1 (en) * 1993-08-31 1995-03-09 Shell Internationale Research Maatschappij B.V. Method and apparatus for preventing false responses in optical detection devices
DE4336101A1 (en) * 1993-10-22 1995-04-27 Philips Patentverwaltung Still-frame coder having a moving-picture coder as coding unit
US5768426A (en) * 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US5822721A (en) * 1995-12-22 1998-10-13 Iterated Systems, Inc. Method and apparatus for fractal-excited linear predictive coding of digital signals
US5732138A (en) * 1996-01-29 1998-03-24 Silicon Graphics, Inc. Method for seeding a pseudo-random number generator with a cryptographic hash of a digitization of a chaotic system
JPH09259107A (en) * 1996-03-26 1997-10-03 Nippon Telegr & Teleph Corp <Ntt> Method and device for predicting chaos time-series data
US5946417A (en) * 1996-04-08 1999-08-31 The Trustees Of Columbia University In The City Of New York System and method for a multiresolution transform of digital image information
US5857025A (en) * 1996-09-09 1999-01-05 Intelligent Security Systems, Inc. Electronic encryption device and method
US5974188A (en) * 1996-11-20 1999-10-26 U.S. Philips Corporation Method of fractal image coding and arrangement of performing the method
WO1999008225A1 (en) * 1997-08-08 1999-02-18 Breast Screening Decision Support System R & D Syndicate Breast screening - early detection and aid to diagnosis
WO1999017260A1 (en) * 1997-09-30 1999-04-08 Durand Limited Anti-counterfeiting and diffusive screens
WO1999033024A1 (en) * 1997-12-22 1999-07-01 Koninklijke Philips Electronics N.V. Method and arrangement for creating a high-resolution still picture
WO1999053428A1 (en) * 1998-04-16 1999-10-21 Digimarc Corporation Digital watermarking and banknotes
WO2000051055A2 (en) * 1999-02-22 2000-08-31 Vialogy Corporation Method and apparatus for monitoring therapy effectiveness

Non-Patent Citations (12)

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"Schedule for Image Processing Conference", INTERNET RECORD, 13 September 2000 (2000-09-13) - 15 September 2000 (2000-09-15), XP002174027, Retrieved from the Internet <URL:http://www.cms.dmu.ac.uk/ISS/IMA/3ip/node3.html> [retrieved on 20010806] *
BADWAL R S S: "THE APPLICATION OF FRACTAL DIMENSION TO TEMPOROMANDIBULAR JOINT SOUNDS", COMPUTERS IN BIOLOGY AND MEDICINE, NEW YORK, NY, US, vol. 23, no. 1, January 1993 (1993-01-01), pages 1 - 14, XP000965451, ISSN: 0010-4825 *
DAVERN P ET AL: "FRACTAL BASED IMAGE STEGANOGRAPHY", INFORMATION HIDING. INTERNATIONAL WORKSHOP PROCEEDINGS,XX,XX, 30 May 1996 (1996-05-30), pages 279 - 294, XP002048612 *
DE MONTFORT UNIVERSITY: "The Bank of England Ÿ20 note", MICROBAR SYSTEM, XP002174026, Retrieved from the Internet <URL:http://www.dmu.ac.uk/Consultancy/Casestudies/bank_england.html> [retrieved on 20010806] *
ELMIRGHANI J M H: "DATA COMMUNICATION VIA CHAOTIC ENCODING AND ASSOCIATED SECURITY ISSUES", GLOBECOM '95. IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE. SINGAPORE, NOV. 14 - 16, 1995, IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM), NEW YORK, IEEE, US, vol. 2, 14 November 1995 (1995-11-14), pages 1188 - 1192, XP000622977, ISBN: 0-7803-2510-9 *
ESTELLER R ET AL: "Fractal dimension characterizes seizure onset in epileptic patients", 1999 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING. PHOENIX, AZ, MARCH 15 - 19, 1999, IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (ICASSP), NEW YORK, NY: IEEE, US, vol. 4, 1999, pages 2343 - 2346, XP002157155, ISBN: 0-7803-5042-1 *
GHARAVI-ALKHANSARI M ET AL: "CAUSAL FRACTAL COMPRESSION OF VIDEO SEQUENCES USING MATCHING PURSUIT", INTERNATIONAL JOURNAL OF IMAGING SYSTEMS AND TECHNOLOGY, WILEY AND SONS, NEW YORK, US, vol. 9, no. 5, 1998, pages 305 - 319, XP000782118, ISSN: 0899-9457 *
KIM C-S ET AL: "FRACTAL CODING OF VIDEO SEQUENCE USING CIRCULAR PREDICTION MAPPING AND NONCONTRACTIVE INTERFRAME MAPPING", IEEE TRANSACTIONS ON IMAGE PROCESSING, IEEE INC. NEW YORK, US, vol. 7, no. 4, 1 April 1998 (1998-04-01), pages 601 - 605, XP000742981, ISSN: 1057-7149 *
KOTULSKI Z ET AL: "Discrete chaotic cryptography", ANNALEN DER PHYSIK, BARTH, LEIPIG, DE, vol. 6, no. 5, 1997, pages 381 - 394, XP002097239, ISSN: 0003-3804 *
LANGI A ET AL: "CONSONANT CHARACTERIZATION USING CORRELATION FRACTAL DIMENSION FOR SPEECH RECOGNITION", 1995 IEEE WESCANEX COMMUNICATIONS, POWER, AND COMPUTING CONFERENCE PROCEEDINGS. WINNIPEG, MAY 15 - 16, 1995, PROCEEDINGS OF THE WESTERN CANADA PROGRAMMABLE CONTROL SYSTEMS CONFERENCE. (WESCANEX), NEW YORK, IEEE, US, vol. 1 CONF. 5, 15 May 1995 (1995-05-15), pages 208 - 213, XP000671555, ISBN: 0-7803-2726-8 *
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Also Published As

Publication number Publication date
CN1433559A (en) 2003-07-30
AU2194101A (en) 2001-06-18
EP1236183A2 (en) 2002-09-04
GB0226052D0 (en) 2002-12-18
WO2001043067A2 (en) 2001-06-14

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