FR2657208B1 - Procede et dispositif de correction automatique de geometrie, de superposition de couleurs et d'uniformite d'image pour camera de television. - Google Patents

Procede et dispositif de correction automatique de geometrie, de superposition de couleurs et d'uniformite d'image pour camera de television.

Info

Publication number
FR2657208B1
FR2657208B1 FR9000426A FR9000426A FR2657208B1 FR 2657208 B1 FR2657208 B1 FR 2657208B1 FR 9000426 A FR9000426 A FR 9000426A FR 9000426 A FR9000426 A FR 9000426A FR 2657208 B1 FR2657208 B1 FR 2657208B1
Authority
FR
France
Prior art keywords
overlay
geometry
colors
television camera
automatic correction
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 - Lifetime
Application number
FR9000426A
Other languages
English (en)
Other versions
FR2657208A1 (fr
Inventor
Guerin Jean-Claude
Morel Philippe
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Priority to FR9000426A priority Critical patent/FR2657208B1/fr
Priority to PCT/FR1991/000022 priority patent/WO1991011075A1/fr
Priority to CA002047687A priority patent/CA2047687A1/fr
Priority to US07/761,866 priority patent/US5181098A/en
Priority to JP3503122A priority patent/JPH04505087A/ja
Priority to EP91903071A priority patent/EP0463149A1/fr
Publication of FR2657208A1 publication Critical patent/FR2657208A1/fr
Application granted granted Critical
Publication of FR2657208B1 publication Critical patent/FR2657208B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
    • H04N3/2335—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements with calculating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H04N23/13—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with multiple sensors
    • H04N23/15—Image signal generation with circuitry for avoiding or correcting image misregistration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Color Television Image Signal Generators (AREA)
FR9000426A 1990-01-16 1990-01-16 Procede et dispositif de correction automatique de geometrie, de superposition de couleurs et d'uniformite d'image pour camera de television. Expired - Lifetime FR2657208B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9000426A FR2657208B1 (fr) 1990-01-16 1990-01-16 Procede et dispositif de correction automatique de geometrie, de superposition de couleurs et d'uniformite d'image pour camera de television.
PCT/FR1991/000022 WO1991011075A1 (fr) 1990-01-16 1991-01-14 Procede et dispositif de correction automatique de geometrie, de superposition de couleurs et d'uniformite d'image pour camera de television
CA002047687A CA2047687A1 (fr) 1990-01-16 1991-01-14 Methode et dispositif de correction automatique de la deformation, de la superposition des couleurs et du manque d'uniformite dans les images de cameras de television
US07/761,866 US5181098A (en) 1990-01-16 1991-01-14 Procedure and device for the automatic correction of skew, of color superimposition, and of image uniformity for television cameras
JP3503122A JPH04505087A (ja) 1990-01-16 1991-01-14 テレビカメラのためのスキュウ、色重複および画像均一性の自動修正方法及びその装置
EP91903071A EP0463149A1 (fr) 1990-01-16 1991-01-14 Procede et dispositif de correction automatique de geometrie, de superposition de couleurs et d'uniformite d'image pour camera de television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9000426A FR2657208B1 (fr) 1990-01-16 1990-01-16 Procede et dispositif de correction automatique de geometrie, de superposition de couleurs et d'uniformite d'image pour camera de television.

Publications (2)

Publication Number Publication Date
FR2657208A1 FR2657208A1 (fr) 1991-07-19
FR2657208B1 true FR2657208B1 (fr) 1992-04-10

Family

ID=9392792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9000426A Expired - Lifetime FR2657208B1 (fr) 1990-01-16 1990-01-16 Procede et dispositif de correction automatique de geometrie, de superposition de couleurs et d'uniformite d'image pour camera de television.

Country Status (6)

Country Link
US (1) US5181098A (fr)
EP (1) EP0463149A1 (fr)
JP (1) JPH04505087A (fr)
CA (1) CA2047687A1 (fr)
FR (1) FR2657208B1 (fr)
WO (1) WO1991011075A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3165861B2 (ja) * 1990-06-12 2001-05-14 セイコープレシジョン株式会社 カメラの特性誤差補正装置
US5345262A (en) * 1992-07-31 1994-09-06 Hughes-Jvc Technology Corporation Automatic convergence system for color video projector
US5581638A (en) * 1993-07-26 1996-12-03 E-Systems, Inc. Method for autonomous image registration
US5463429A (en) * 1993-11-15 1995-10-31 Eastman Kodak Company Surface inspection optical geometry alignment system
US5684498A (en) * 1995-06-26 1997-11-04 Cae Electronics Ltd. Field sequential color head mounted display with suppressed color break-up
EP0835583B1 (fr) * 1996-04-26 2002-01-09 Koninklijke Philips Electronics N.V. Generation de formes d'ondes spline
US6542185B1 (en) * 1998-01-07 2003-04-01 Intel Corporation Method and apparatus for automated optimization of white and color balance on video camera
US6721694B1 (en) * 1998-10-13 2004-04-13 Raytheon Company Method and system for representing the depths of the floors of the oceans
US7023472B1 (en) * 1999-04-23 2006-04-04 Hewlett-Packard Development Company, L.P. Camera calibration using off-axis illumination and vignetting effects
US7119923B1 (en) * 1999-07-23 2006-10-10 Fuji Photo Film Co., Ltd. Apparatus and method for image processing
EP1176557A1 (fr) * 2000-07-24 2002-01-30 Setrix AG Méthode et arrangement pour le calibrage de caméras
US7151560B2 (en) * 2002-06-20 2006-12-19 Hewlett-Packard Development Company, L.P. Method and apparatus for producing calibration data for a digital camera
US7391450B2 (en) * 2002-08-16 2008-06-24 Zoran Corporation Techniques for modifying image field data
US7408576B2 (en) * 2002-08-16 2008-08-05 Zoran Corporation Techniques for modifying image field data as a function of radius across the image field
US7388610B2 (en) 2002-08-16 2008-06-17 Zoran Corporation Techniques of modifying image field data by extrapolation
US6809330B2 (en) * 2002-12-18 2004-10-26 Lockheed Martin Corporation Automatic calibration and built-in diagnostic procedures for line scan cameras
EP1447977A1 (fr) * 2003-02-12 2004-08-18 Dialog Semiconductor GmbH Compensation du vignettage
WO2006039357A1 (fr) * 2004-09-29 2006-04-13 Technicolor Inc. Procede et dispositif permettant de produire des metadonnees de choix des couleurs
JP4977556B2 (ja) * 2006-10-11 2012-07-18 ルネサスエレクトロニクス株式会社 半導体集積回路装置および描画処理表示システム
US9591300B2 (en) 2014-12-04 2017-03-07 Spirent Communications, Inc. Video streaming and video telephony downlink performance analysis system
US11405695B2 (en) 2019-04-08 2022-08-02 Spirent Communications, Inc. Training an encrypted video stream network scoring system with non-reference video scores

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326219A (en) * 1980-04-11 1982-04-20 Ampex Corporation Digital error measuring circuit for shading and registration errors in television cameras
JPS587991A (ja) * 1981-07-08 1983-01-17 Sony Corp 多管式カラ−カメラのレジストレ−シヨン調整回路
FR2514220A1 (fr) * 1981-10-02 1983-04-08 Thomson Csf Dispositif de correction spatiale pour analyseur d'images
FR2525843B1 (fr) * 1982-04-23 1986-06-27 Thomson Csf Dispositif de commande de correction et systeme d'etablissement automatique de donnees de correction d'une camera de television
FR2526963B1 (fr) * 1982-05-14 1985-09-27 Thomson Csf Mire optique pour correction des defauts de convergence d'une camera couleurs
FR2570236B1 (fr) * 1984-09-07 1986-11-21 Thomson Csf Dispositif de correction des defauts d'uniformite induits dans les signaux issus d'une camera de television par les variations de vitesse d'analyse

Also Published As

Publication number Publication date
EP0463149A1 (fr) 1992-01-02
CA2047687A1 (fr) 1991-07-17
US5181098A (en) 1993-01-19
FR2657208A1 (fr) 1991-07-19
WO1991011075A1 (fr) 1991-07-25
JPH04505087A (ja) 1992-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse