DE68910498D1 - Signalverarbeitung zur autonomen erfassung von objekten in einem hintergrund von störechos. - Google Patents

Signalverarbeitung zur autonomen erfassung von objekten in einem hintergrund von störechos.

Info

Publication number
DE68910498D1
DE68910498D1 DE89911440T DE68910498T DE68910498D1 DE 68910498 D1 DE68910498 D1 DE 68910498D1 DE 89911440 T DE89911440 T DE 89911440T DE 68910498 T DE68910498 T DE 68910498T DE 68910498 D1 DE68910498 D1 DE 68910498D1
Authority
DE
Germany
Prior art keywords
objects
background
signal processing
autonomous detection
interference echoes
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 - Fee Related
Application number
DE89911440T
Other languages
English (en)
Other versions
DE68910498T2 (de
Inventor
Thomas Lo
Jack Sacks
Nam Banh
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of DE68910498D1 publication Critical patent/DE68910498D1/de
Application granted granted Critical
Publication of DE68910498T2 publication Critical patent/DE68910498T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7864—T.V. type tracking systems
    • G01S3/7865—T.V. type tracking systems using correlation of the live video image with a stored image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/254—Analysis of motion involving subtraction of images

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE89911440T 1988-08-08 1989-07-03 Signalverarbeitung zur autonomen erfassung von objekten in einem hintergrund von störechos. Expired - Fee Related DE68910498T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/229,390 US4937878A (en) 1988-08-08 1988-08-08 Signal processing for autonomous acquisition of objects in cluttered background

Publications (2)

Publication Number Publication Date
DE68910498D1 true DE68910498D1 (de) 1993-12-09
DE68910498T2 DE68910498T2 (de) 1994-03-03

Family

ID=22861028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89911440T Expired - Fee Related DE68910498T2 (de) 1988-08-08 1989-07-03 Signalverarbeitung zur autonomen erfassung von objekten in einem hintergrund von störechos.

Country Status (11)

Country Link
US (1) US4937878A (de)
EP (1) EP0380658B1 (de)
JP (1) JPH0664613B2 (de)
KR (1) KR930007549B1 (de)
AU (1) AU619611B2 (de)
CA (1) CA1313704C (de)
DE (1) DE68910498T2 (de)
ES (1) ES2016049A6 (de)
IL (1) IL90898A (de)
TR (1) TR25266A (de)
WO (1) WO1990001706A2 (de)

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US5960111A (en) * 1997-02-10 1999-09-28 At&T Corp Method and apparatus for segmenting images prior to coding
US5909190A (en) * 1997-10-30 1999-06-01 Raytheon Company Clutter rejection using adaptive estimation of clutter probability density function
FR2776459B1 (fr) 1998-03-19 2000-04-28 France Telecom Procede de detection des objets en mouvement dans une sequence d'images video
EP0973044B1 (de) * 1998-07-13 2006-08-09 Oerlikon Contraves Ag Verfahren zur Verfolgung bewegter Objekte anhand spezifischer Merkmale
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JP4686773B2 (ja) * 2005-06-16 2011-05-25 独立行政法人海上技術安全研究所 動体認識方法および動体認識装置
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US7590303B2 (en) * 2005-09-29 2009-09-15 Samsung Electronics Co., Ltd. Image enhancement method using local illumination correction
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Also Published As

Publication number Publication date
WO1990001706A2 (en) 1990-02-22
AU619611B2 (en) 1992-01-30
US4937878A (en) 1990-06-26
KR900702378A (ko) 1990-12-06
EP0380658B1 (de) 1993-11-03
ES2016049A6 (es) 1990-10-01
AU4400589A (en) 1990-03-05
CA1313704C (en) 1993-02-16
DE68910498T2 (de) 1994-03-03
WO1990001706A3 (en) 1990-03-22
TR25266A (tr) 1992-12-04
KR930007549B1 (ko) 1993-08-12
JPH03502018A (ja) 1991-05-09
EP0380658A1 (de) 1990-08-08
IL90898A (en) 1993-04-04
JPH0664613B2 (ja) 1994-08-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee