CA1177173A - Bidimensional correlation device - Google Patents

Bidimensional correlation device

Info

Publication number
CA1177173A
CA1177173A CA000375831A CA375831A CA1177173A CA 1177173 A CA1177173 A CA 1177173A CA 000375831 A CA000375831 A CA 000375831A CA 375831 A CA375831 A CA 375831A CA 1177173 A CA1177173 A CA 1177173A
Authority
CA
Canada
Prior art keywords
correlation
image
lines
line
bidimensional
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.)
Expired
Application number
CA000375831A
Other languages
English (en)
French (fr)
Inventor
Pierre Tournois
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.)
Thales SA
Original Assignee
Thomson CSF SA
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
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of CA1177173A publication Critical patent/CA1177173A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Processing Or Creating Images (AREA)
  • Complex Calculations (AREA)
  • Image Analysis (AREA)
CA000375831A 1980-04-25 1981-04-21 Bidimensional correlation device Expired CA1177173A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8009386 1980-04-25
FR8009386A FR2481489A1 (fr) 1980-04-25 1980-04-25 Dispositif correlateur bidimensionnel

Publications (1)

Publication Number Publication Date
CA1177173A true CA1177173A (en) 1984-10-30

Family

ID=9241370

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000375831A Expired CA1177173A (en) 1980-04-25 1981-04-21 Bidimensional correlation device

Country Status (5)

Country Link
US (1) US4449193A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0039263A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS56168287A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1177173A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2481489A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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US4561067A (en) * 1982-06-23 1985-12-24 British Telecommunications Multi-channel cross-talk interference reduction circuit using modulation-multiplying-demodulation correlator
US4602336A (en) * 1983-05-16 1986-07-22 Gec Avionics Limited Guidance systems
US4990925A (en) * 1984-05-07 1991-02-05 Hughes Aircraft Company Interferometric radiometer
DE3432892A1 (de) * 1984-09-07 1986-03-20 Messerschmitt-Bölkow-Blohm GmbH, 2800 Bremen Elektrooptisches zielgeraet
US4907287A (en) * 1985-10-16 1990-03-06 Hitachi, Ltd. Image correction system for scanning electron microscope
US4742233A (en) * 1986-12-22 1988-05-03 American Telephone And Telgraph Company Method and apparatus for automated reading of vernier patterns
US4882715A (en) * 1987-03-16 1989-11-21 Canon Kabushiki Kaisha Surface acoustic wave convolver with dielectric film of high non-linear effect
JPS63292495A (ja) * 1987-05-25 1988-11-29 Agency Of Ind Science & Technol 光−電気ハイブリット型連想記憶装置
JPH067240B2 (ja) * 1987-06-10 1994-01-26 浜松ホトニクス株式会社 光学的連想記憶装置
US5526298A (en) * 1987-06-10 1996-06-11 Hamamatsu Photonics K.K. Optical associative memory
JPH0269013A (ja) * 1988-09-02 1990-03-08 Clarion Co Ltd コンボルバ最適バイアス回路
US5267179A (en) * 1989-08-30 1993-11-30 The United States Of America As Represented By The United States Department Of Energy Ferroelectric optical image comparator
FR2656185B1 (fr) * 1989-12-14 1992-03-13 France Etat Armement Imageur convolueur micro-electronique.
WO1993023816A1 (en) * 1992-05-18 1993-11-25 Silicon Engines Inc. System and method for cross correlation with application to video motion vector estimation
US5276636A (en) * 1992-09-14 1994-01-04 Cohn Robert W Method and apparatus for adaptive real-time optical correlation using phase-only spatial light modulators and interferometric detection
US5588067A (en) * 1993-02-19 1996-12-24 Peterson; Fred M. Motion detection and image acquisition apparatus and method of detecting the motion of and acquiring an image of an object
GB9722766D0 (en) 1997-10-28 1997-12-24 British Telecomm Portable computers
WO2000011562A1 (en) 1998-08-20 2000-03-02 Apple Computer, Inc. Apparatus and method for performing setup operations in a 3-d graphics pipeline using unified primitive descriptors
US6771264B1 (en) * 1998-08-20 2004-08-03 Apple Computer, Inc. Method and apparatus for performing tangent space lighting and bump mapping in a deferred shading graphics processor
GB0120186D0 (en) * 2001-08-17 2001-10-10 Toumaz Technology Ltd Integrated circuit
US7599044B2 (en) 2005-06-23 2009-10-06 Apple Inc. Method and apparatus for remotely detecting presence
US7242169B2 (en) * 2005-03-01 2007-07-10 Apple Inc. Method and apparatus for voltage compensation for parasitic impedance
US9298311B2 (en) * 2005-06-23 2016-03-29 Apple Inc. Trackpad sensitivity compensation
US7577930B2 (en) 2005-06-23 2009-08-18 Apple Inc. Method and apparatus for analyzing integrated circuit operations
US7433191B2 (en) * 2005-09-30 2008-10-07 Apple Inc. Thermal contact arrangement
US7598711B2 (en) * 2005-11-23 2009-10-06 Apple Inc. Power source switchover apparatus and method
WO2011033640A1 (ja) * 2009-09-17 2011-03-24 株式会社 東芝 加算器
US10337851B2 (en) * 2015-04-02 2019-07-02 Ramot At Tel-Aviv University Ltd. Fast phase processing of off-axis interferograms
EP4311113A1 (en) 2022-07-21 2024-01-24 Rohde & Schwarz GmbH & Co. KG Radio frequency receiver and operation method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1452084A (fr) * 1964-07-01 1966-02-25 Ampex Calculatrice
DK119180B (da) * 1965-08-26 1970-11-23 N Kaiser Apparat til brug ved analyse og påvisning af fortrinsvis quasi-periodiske variationer i registrerede fysiske størrelser.
US3952299A (en) * 1969-07-28 1976-04-20 Rockwell International Corporation Data line correlator
US3816722A (en) * 1970-09-29 1974-06-11 Nippon Electric Co Computer for calculating the similarity between patterns and pattern recognition system comprising the similarity computer
US3925653A (en) * 1974-01-21 1975-12-09 Univ Leland Stanford Junior Apparatus for transforming electronics signals between the time and frequency domains utilizing acoustic waves
FR2353185A1 (fr) * 1976-04-09 1977-12-23 Thomson Csf Dispositif correlateur rapide, et systeme de traitement des signaux d'un recepteur comportant un tel dispositif
GB1542853A (en) * 1976-08-31 1979-03-28 Secr Defence Charge coupled device correlators
GB1590950A (en) * 1976-12-11 1981-06-10 Emi Ltd System for comparing representations of a scene
US4244029A (en) * 1977-12-12 1981-01-06 Goodyear Aerospace Corporation Digital video correlator
DE2914693C2 (de) * 1979-04-11 1982-05-27 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Vorrichtung zur Präzisionsnavigation

Also Published As

Publication number Publication date
FR2481489B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-07-06
EP0039263A1 (fr) 1981-11-04
FR2481489A1 (fr) 1981-10-30
JPS56168287A (en) 1981-12-24
US4449193A (en) 1984-05-15

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