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 procedeInfo
- 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
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)
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 |
US09/241,475 US6329768B1 (en) | 1998-02-27 | 1999-02-02 | Process for correcting picture deformation and device implementing this process |
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 |
EP99400415A EP0939558A1 (fr) | 1998-02-27 | 1999-02-22 | Procès et appareil de correction en S dans une tube à rayons cathodiques |
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 (fr) |
EP (1) | EP0939558A1 (fr) |
JP (1) | JPH11331630A (fr) |
CN (1) | CN1180610C (fr) |
FR (1) | FR2775549B1 (fr) |
Families Citing this family (7)
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 |
CN109859155A (zh) * | 2017-11-30 | 2019-06-07 | 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)
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 |
KR100491230B1 (ko) * | 1996-08-26 | 2005-08-05 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 다이오드변조기및이를포함하는화상디스플레이장치 |
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 |
-
1998
- 1998-02-27 FR FR9802403A patent/FR2775549B1/fr not_active Expired - Fee Related
-
1999
- 1999-02-02 CN CNB991018451A patent/CN1180610C/zh not_active Expired - Fee Related
- 1999-02-02 US US09/241,475 patent/US6329768B1/en not_active Expired - Fee Related
- 1999-02-22 EP EP99400415A patent/EP0939558A1/fr not_active Withdrawn
- 1999-02-26 JP JP11050693A patent/JPH11331630A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1180610C (zh) | 2004-12-15 |
EP0939558A1 (fr) | 1999-09-01 |
JPH11331630A (ja) | 1999-11-30 |
US6329768B1 (en) | 2001-12-11 |
CN1231563A (zh) | 1999-10-13 |
FR2775549A1 (fr) | 1999-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |