FR2775549B1 - Procede de correction de deformation d'image et dispositif mettant en oeuvre ce procede - Google Patents

Procede de correction de deformation d'image et dispositif mettant en oeuvre ce procede

Info

Publication number
FR2775549B1
FR2775549B1 FR9802403A FR9802403A FR2775549B1 FR 2775549 B1 FR2775549 B1 FR 2775549B1 FR 9802403 A FR9802403 A FR 9802403A FR 9802403 A FR9802403 A FR 9802403A FR 2775549 B1 FR2775549 B1 FR 2775549B1
Authority
FR
France
Prior art keywords
same
correction method
image deformation
deformation correction
image
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
FR9802403A
Other languages
English (en)
French (fr)
Other versions
FR2775549A1 (fr
Inventor
Olivier Giard
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.)
Vantiva SA
Original Assignee
Thomson Multimedia 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 Multimedia SA filed Critical Thomson Multimedia SA
Priority to FR9802403A priority Critical patent/FR2775549B1/fr
Priority to CNB991018451A priority patent/CN1180610C/zh
Priority to US09/241,475 priority patent/US6329768B1/en
Priority to EP99400415A priority patent/EP0939558A1/en
Priority to JP11050693A priority patent/JPH11331630A/ja
Publication of FR2775549A1 publication Critical patent/FR2775549A1/fr
Application granted granted Critical
Publication of FR2775549B1 publication Critical patent/FR2775549B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
    • H04N17/045—Self-contained testing apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Details Of Television Scanning (AREA)
  • Processing Of Color Television Signals (AREA)
FR9802403A 1998-02-27 1998-02-27 Procede de correction de deformation d'image et dispositif mettant en oeuvre ce procede Expired - Fee Related FR2775549B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9802403A FR2775549B1 (fr) 1998-02-27 1998-02-27 Procede de correction de deformation d'image et dispositif mettant en oeuvre ce procede
CNB991018451A CN1180610C (zh) 1998-02-27 1999-02-02 校正图像畸变的方法和实现这种方法的装置
US09/241,475 US6329768B1 (en) 1998-02-27 1999-02-02 Process for correcting picture deformation and device implementing this process
EP99400415A EP0939558A1 (en) 1998-02-27 1999-02-22 Process and device for S-correction in a cathode-ray tube
JP11050693A JPH11331630A (ja) 1998-02-27 1999-02-26 画像歪みの補正方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9802403A FR2775549B1 (fr) 1998-02-27 1998-02-27 Procede de correction de deformation d'image et dispositif mettant en oeuvre ce procede

Publications (2)

Publication Number Publication Date
FR2775549A1 FR2775549A1 (fr) 1999-09-03
FR2775549B1 true FR2775549B1 (fr) 2000-03-31

Family

ID=9523451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9802403A Expired - Fee Related FR2775549B1 (fr) 1998-02-27 1998-02-27 Procede de correction de deformation d'image et dispositif mettant en oeuvre ce procede

Country Status (5)

Country Link
US (1) US6329768B1 (enExample)
EP (1) EP0939558A1 (enExample)
JP (1) JPH11331630A (enExample)
CN (1) CN1180610C (enExample)
FR (1) FR2775549B1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6982766B1 (en) * 1997-08-29 2006-01-03 Thomson Licensing Digital raster correction
JP3672771B2 (ja) * 1999-07-14 2005-07-20 松下電器産業株式会社 偏向装置
CN102256157B (zh) * 2010-05-20 2013-04-03 北京创毅视讯科技有限公司 一种判断移动模拟电视视频信号畸变的方法和装置
CN104505037B (zh) * 2014-12-24 2016-10-19 武汉思创电子有限公司 一种医疗监护仪的抗锯齿显示方法及其系统
CN109859155B (zh) * 2017-11-30 2025-02-21 京东方科技集团股份有限公司 影像畸变检测方法和系统
CN111107330B (zh) * 2019-12-05 2021-08-31 华侨大学 一种Lab空间的偏色校正方法
CN116704011B (zh) * 2023-08-04 2024-03-05 深圳市凯立特光电科技有限公司 一种基于数据处理的led显示屏像素校正分析系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55671A (en) * 1978-12-28 1980-01-07 Toshiba Corp Convergence correction system for color television picture receiver
GB8408694D0 (en) * 1984-04-04 1984-05-16 Rca Corp Dynamic "s" correction
US4645985A (en) * 1986-02-26 1987-02-24 Rca Corporation S-correction circuit for a video display
JPH06233149A (ja) * 1993-01-29 1994-08-19 Sony Corp 上下ピン歪み補正回路
GB9401364D0 (en) * 1994-01-25 1994-03-23 Rca Thomson Licensing Corp Deflection circuits with distortion correction
WO1998009429A1 (en) * 1996-08-26 1998-03-05 Philips Electronics N.V. Diode modulator generating a line s-correction
JP3393029B2 (ja) * 1997-01-20 2003-04-07 富士通株式会社 ディスプレイ装置の表示画像歪みの補正方法、歪み検出装置、歪み補正装置、及びその歪み補正装置を備えたディスプレイ装置

Also Published As

Publication number Publication date
US6329768B1 (en) 2001-12-11
FR2775549A1 (fr) 1999-09-03
CN1180610C (zh) 2004-12-15
CN1231563A (zh) 1999-10-13
EP0939558A1 (en) 1999-09-01
JPH11331630A (ja) 1999-11-30

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Legal Events

Date Code Title Description
ST Notification of lapse