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GB0226052D0 - 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

Info

Publication number
GB0226052D0
GB0226052D0 GBGB0226052.9A GB0226052A GB0226052D0 GB 0226052 D0 GB0226052 D0 GB 0226052D0 GB 0226052 A GB0226052 A GB 0226052A GB 0226052 D0 GB0226052 D0 GB 0226052D0
Authority
GB
United Kingdom
Prior art keywords
fractal
relating
applications
chaotic
techniques
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.)
Ceased
Application number
GBGB0226052.9A
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.)
Durand Technology Ltd
Original Assignee
Durand Technology Ltd
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 GBGB9929364.9A external-priority patent/GB9929364D0/en
Priority claimed from GBGB9929940.6A external-priority patent/GB9929940D0/en
Priority claimed from GB0000952A external-priority patent/GB0000952D0/en
Priority claimed from GB0006239A external-priority patent/GB0006239D0/en
Priority claimed from GB0006964A external-priority patent/GB0006964D0/en
Application filed by Durand Technology Ltd filed Critical Durand Technology Ltd
Publication of GB0226052D0 publication Critical patent/GB0226052D0/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N7/00—Computing arrangements based on specific mathematical models
    • G06N7/08—Computing arrangements based on specific mathematical models using chaos models or non-linear system models
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Evolutionary Computation (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Artificial Intelligence (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Analysis (AREA)
  • Nonlinear Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Peptides Or Proteins (AREA)
GBGB0226052.9A 1999-12-10 2002-11-07 Improvements in or relating to applications of fractal and/or chaotic techniques Ceased GB0226052D0 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GBGB9929364.9A GB9929364D0 (en) 1999-12-10 1999-12-10 Improvements in or relating to coding techniques
GBGB9929940.6A GB9929940D0 (en) 1999-12-17 1999-12-17 Anti-Counterfeiting and signature verification system
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
GB0006964A GB0006964D0 (en) 2000-03-22 2000-03-22 Predictive apparatus and method
PCT/GB2000/004736 WO2001043067A2 (en) 1999-12-10 2000-12-11 Improvements in or relating to applications of fractal and/or chaotic techniques

Publications (1)

Publication Number Publication Date
GB0226052D0 true GB0226052D0 (en) 2002-12-18

Family

ID=27515907

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0226052.9A Ceased GB0226052D0 (en) 1999-12-10 2002-11-07 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 (10)

* 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
CN107888298B (en) * 2017-10-23 2020-11-03 南京航空航天大学 Method for testing uncertainty of radio frequency stealth signal
US10901375B2 (en) * 2019-01-31 2021-01-26 Morgan Stanley Services Group Inc. Chaotic system anomaly response by artificial intelligence
AU2020202883B1 (en) * 2020-01-10 2021-01-07 Mesinja Pty Ltd Systems and computer-implemented methods for generating pseudo random numbers
CN111967030B (en) * 2020-08-12 2023-07-18 浙江师范大学 An optical image encryption and decryption method based on biological information
CN112260819B (en) * 2020-10-20 2022-08-02 哈尔滨工程大学 Multi-image deformation image encryption method adopting memristor chaotic system
CN114913869B (en) * 2022-05-31 2025-11-11 南京理工大学 Bird acoustic diversity index method with low influence on noise

Family Cites Families (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
CN85100700A (en) * 1985-04-01 1987-01-31 陆伯祥 Computing machine Moire fringe certificate and recognition system thereof
US4819059A (en) * 1987-11-13 1989-04-04 Polaroid Corporation System and method for formatting a composite still and moving image defining electronic information signal
US5048086A (en) * 1990-07-16 1991-09-10 Hughes Aircraft Company Encryption system based on chaos theory
JPH04193255A (en) * 1990-11-27 1992-07-13 A T R Shichiyoukaku Kiko Kenkyusho:Kk Method for analysis 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
JPH0535768A (en) * 1991-07-26 1993-02-12 Hitachi Ltd Information processing device applying fractal dimension
DE4490836T1 (en) * 1993-02-19 1996-01-11 United Kingdom Government Secure personal identification instrument and method for its production
DE69407190T2 (en) * 1993-08-31 1998-05-20 Shell Int Research METHOD AND DEVICE FOR AVOIDING INCORRECT MESSAGES IN OPTICAL DETECTOR ARRANGEMENTS
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> Chaos time series data prediction method and device
US5870502A (en) * 1996-04-08 1999-02-09 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
DE19648016A1 (en) * 1996-11-20 1998-05-28 Philips Patentverwaltung Fractal image coding method and arrangement for carrying out the method
AUPO848197A0 (en) * 1997-08-08 1997-09-04 Breast Screening Decision Support System R&D Syndicate Breast screening - early detection and aid to diagnosis
US6674875B1 (en) * 1997-09-30 2004-01-06 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
US6245511B1 (en) * 1999-02-22 2001-06-12 Vialogy Corp Method and apparatus for exponentially convergent therapy effectiveness monitoring using DNA microarray based viral load measurements

Also Published As

Publication number Publication date
CN1433559A (en) 2003-07-30
WO2001043067A3 (en) 2002-05-10
EP1236183A2 (en) 2002-09-04
AU2194101A (en) 2001-06-18
WO2001043067A2 (en) 2001-06-14

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)