FR2720536B1 - Procédé pour éliminer le fond parasite d'une image sur la base d'une corrélation. - Google Patents

Procédé pour éliminer le fond parasite d'une image sur la base d'une corrélation.

Info

Publication number
FR2720536B1
FR2720536B1 FR9406484A FR9406484A FR2720536B1 FR 2720536 B1 FR2720536 B1 FR 2720536B1 FR 9406484 A FR9406484 A FR 9406484A FR 9406484 A FR9406484 A FR 9406484A FR 2720536 B1 FR2720536 B1 FR 2720536B1
Authority
FR
France
Prior art keywords
target
potential
background
correlation
eliminating
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
FR9406484A
Other languages
English (en)
Other versions
FR2720536A1 (fr
Inventor
Gregory A Roberts
Lawrence D Gardemal Robe Voelz
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.)
Lockheed Martin Tactical Systems Inc
Original Assignee
Loral Aerospace Corp
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 US07/588,776 priority Critical patent/US5345242A/en
Priority to GB9406712A priority patent/GB2288940B/en
Priority to DE4416349A priority patent/DE4416349A1/de
Application filed by Loral Aerospace Corp filed Critical Loral Aerospace Corp
Priority to FR9406484A priority patent/FR2720536B1/fr
Priority to AU63461/94A priority patent/AU6346194A/en
Publication of FR2720536A1 publication Critical patent/FR2720536A1/fr
Application granted granted Critical
Publication of FR2720536B1 publication Critical patent/FR2720536B1/fr
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
    • G01S3/781—Details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/30—Noise filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10048—Infrared image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30212—Military

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Image Analysis (AREA)
FR9406484A 1990-09-27 1994-05-27 Procédé pour éliminer le fond parasite d'une image sur la base d'une corrélation. Expired - Fee Related FR2720536B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US07/588,776 US5345242A (en) 1990-09-27 1990-09-27 Clutter rejection using connectivity
GB9406712A GB2288940B (en) 1990-09-27 1994-04-05 Clutter rejection using connectivity
DE4416349A DE4416349A1 (de) 1990-09-27 1994-05-09 Unterdrückung von Störflecken unter Verwendung der Zusammenhangseigenschaft
FR9406484A FR2720536B1 (fr) 1990-09-27 1994-05-27 Procédé pour éliminer le fond parasite d'une image sur la base d'une corrélation.
AU63461/94A AU6346194A (en) 1990-09-27 1994-06-01 Clutter rejection using connectivity

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US07/588,776 US5345242A (en) 1990-09-27 1990-09-27 Clutter rejection using connectivity
GB9406712A GB2288940B (en) 1990-09-27 1994-04-05 Clutter rejection using connectivity
DE4416349A DE4416349A1 (de) 1990-09-27 1994-05-09 Unterdrückung von Störflecken unter Verwendung der Zusammenhangseigenschaft
FR9406484A FR2720536B1 (fr) 1990-09-27 1994-05-27 Procédé pour éliminer le fond parasite d'une image sur la base d'une corrélation.
AU63461/94A AU6346194A (en) 1990-09-27 1994-06-01 Clutter rejection using connectivity

Publications (2)

Publication Number Publication Date
FR2720536A1 FR2720536A1 (fr) 1995-12-01
FR2720536B1 true FR2720536B1 (fr) 1996-08-23

Family

ID=27507145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9406484A Expired - Fee Related FR2720536B1 (fr) 1990-09-27 1994-05-27 Procédé pour éliminer le fond parasite d'une image sur la base d'une corrélation.

Country Status (5)

Country Link
US (1) US5345242A (fr)
AU (1) AU6346194A (fr)
DE (1) DE4416349A1 (fr)
FR (1) FR2720536B1 (fr)
GB (1) GB2288940B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6052485A (en) * 1997-02-03 2000-04-18 The United States Of America As Represented By The Secretary Of The Navy Fractal features used with nearest neighbor clustering for identifying clutter in sonar images
GB2333590A (en) * 1998-01-23 1999-07-28 Sharp Kk Detecting a face-like region
US6377206B1 (en) 2000-04-06 2002-04-23 Lockheed Martin Corporation Method for clutter rejection in digital imagery
US6943724B1 (en) 2002-10-30 2005-09-13 Lockheed Martin Corporation Identification and tracking of moving objects in detected synthetic aperture imagery
US6864828B1 (en) 2003-02-18 2005-03-08 Lockheed Martin Corporation Method and apparatus for collection and processing of interferometric synthetic aperture radar data
US20090002224A1 (en) * 2005-09-22 2009-01-01 Nader Khatib SAR ATR tree line extended operating condition
JP2011145069A (ja) * 2010-01-12 2011-07-28 Furuno Electric Co Ltd 偽像低減装置、レーダ装置、偽像低減方法、および偽像低減プログラム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005415A (en) * 1975-03-31 1977-01-25 The United States Of America As Represented By The Secretary Of The Navy Automated radar data processing system
US4661984A (en) * 1977-06-03 1987-04-28 Bentley William A Line inspection system
SE412966B (sv) * 1978-01-20 1980-03-24 Danielsson Per Erik Anordning for kontroll av avstand mellan objekt i en tvadimensionell diskretiserad bild
NL8005923A (nl) * 1980-10-29 1982-05-17 Hollandse Signaalapparaten Bv Plotgenerator.
DE3587220T2 (de) * 1984-01-13 1993-07-08 Komatsu Mfg Co Ltd Identifizierungsverfahren von konturlinien.
JPS60147886A (ja) * 1984-01-13 1985-08-03 Komatsu Ltd 輪郭線の連続性認識方法
US4593406A (en) * 1984-01-16 1986-06-03 The United States Of America As Represented By The United States Department Of Energy Automatic image acquisition processor and method
US4685143A (en) * 1985-03-21 1987-08-04 Texas Instruments Incorporated Method and apparatus for detecting edge spectral features
US4736439A (en) * 1985-05-24 1988-04-05 The United States Of America As Represented By The Secretary Of The Navy Image preprocessing by modified median filter
JPS62106589A (ja) * 1985-11-02 1987-05-18 Oki Electric Ind Co Ltd パタ−ンのエツジ位置検出方法
US4742557A (en) * 1985-11-08 1988-05-03 Ncr Corporation Adaptive character extraction method and system
ES2120415T3 (es) * 1990-01-22 1998-11-01 James O Gouge Extraccion de estructura de imagenes.
FR2665597B1 (fr) * 1990-07-31 1995-11-17 Thomson Trt Defense Procede et dispositif de localisation en temps reel de contours rectilignes dans une image numerisee, notamment pour la reconnaissance de formes dans un traitement d'analyse de scene.
DE4120676C2 (de) * 1991-06-22 1994-09-08 Deutsche Aerospace Verfahren und Schaltungsanordnung zur Detektion von kleinen Objekten in natürlicher Umgebung
FR2688910B1 (fr) * 1992-03-17 1994-05-06 Thomson Csf Procede de segmentation non supervise d'une image de texture.
GB2269695A (en) * 1992-08-11 1994-02-16 Marconi Gec Ltd Image processing

Also Published As

Publication number Publication date
FR2720536A1 (fr) 1995-12-01
GB2288940B (en) 1998-02-11
DE4416349A1 (de) 1995-11-23
AU6346194A (en) 1995-12-07
US5345242A (en) 1994-09-06
GB2288940A (en) 1995-11-01
GB9406712D0 (en) 1994-06-08

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Legal Events

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