DE602007002946D1 - Schaltung und Verfahren zur Bildkorrektur sowie Bildanzeige - Google Patents
Schaltung und Verfahren zur Bildkorrektur sowie BildanzeigeInfo
- Publication number
- DE602007002946D1 DE602007002946D1 DE602007002946T DE602007002946T DE602007002946D1 DE 602007002946 D1 DE602007002946 D1 DE 602007002946D1 DE 602007002946 T DE602007002946 T DE 602007002946T DE 602007002946 T DE602007002946 T DE 602007002946T DE 602007002946 D1 DE602007002946 D1 DE 602007002946D1
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- image
- image display
- correction
- image 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Picture Signal Circuits (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006138164 | 2006-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602007002946D1 true DE602007002946D1 (de) | 2009-12-10 |
Family
ID=38293330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602007002946T Active DE602007002946D1 (de) | 2006-05-17 | 2007-05-15 | Schaltung und Verfahren zur Bildkorrektur sowie Bildanzeige |
Country Status (6)
Country | Link |
---|---|
US (1) | US8369646B2 (de) |
EP (1) | EP1858247B1 (de) |
KR (1) | KR20070111389A (de) |
CN (1) | CN101076087B (de) |
DE (1) | DE602007002946D1 (de) |
TW (1) | TWI369895B (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8369645B2 (en) * | 2006-05-17 | 2013-02-05 | Sony Corporation | Image correction circuit, image correction method and image display |
US8803922B2 (en) * | 2007-05-30 | 2014-08-12 | Apple Inc. | Methods and apparatuses for increasing the apparent brightness of a display |
KR101479993B1 (ko) | 2008-10-14 | 2015-01-08 | 삼성디스플레이 주식회사 | 4색 표시 장치 및 그 신호 변환 방법 |
TWI538474B (zh) * | 2011-03-15 | 2016-06-11 | 杜比實驗室特許公司 | 影像資料轉換的方法與設備 |
KR20130015179A (ko) * | 2011-08-02 | 2013-02-13 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치 구동 방법 |
CN102769726B (zh) * | 2012-06-29 | 2015-03-25 | 深圳创维-Rgb电子有限公司 | 一种图像效果调整方法及智能装置 |
CN104123926B (zh) * | 2013-04-25 | 2016-08-31 | 乐金显示有限公司 | 伽马补偿方法及使用该伽马补偿方法的显示装置 |
CN104299188B (zh) * | 2013-07-18 | 2018-10-30 | 深圳富泰宏精密工业有限公司 | 图像修正方法及系统 |
KR101497933B1 (ko) * | 2013-08-19 | 2015-03-03 | 현대모비스(주) | 클러스터링 기법을 이용한 다수 영상의 합성 시스템 및 방법 |
TWI503789B (zh) * | 2013-12-19 | 2015-10-11 | Nat Inst Chung Shan Science & Technology | An Automatic Threshold Selection Method for Image Processing |
JP6360321B2 (ja) * | 2014-02-10 | 2018-07-18 | シナプティクス・ジャパン合同会社 | 表示装置、表示パネルドライバ、画像処理装置及び画像処理方法 |
CN104050948A (zh) * | 2014-06-24 | 2014-09-17 | 深圳市鸿宇顺科技有限公司 | 一种自动增强图片对比度显示的方法及系统 |
EP3067857A1 (de) * | 2015-03-13 | 2016-09-14 | Thomson Licensing | Verfahren und vorrichtung zur verarbeitung eines peripheriebildes |
CN105898110A (zh) * | 2015-11-20 | 2016-08-24 | 乐视致新电子科技(天津)有限公司 | 一种提升显示屏幕画质的方法和装置 |
CN105827898B (zh) * | 2016-03-28 | 2019-03-12 | 深圳英飞拓科技股份有限公司 | 应用于摄像机的伽马曲线调整方法及装置 |
JP6720012B2 (ja) * | 2016-08-01 | 2020-07-08 | オリンパス株式会社 | 画像処理装置、撮像装置、画像処理方法及び画像処理プログラム |
CN106161984B (zh) * | 2016-08-31 | 2020-03-31 | 钧捷智能(深圳)有限公司 | 视频图像强光抑制、轮廓及细节增强处理方法及系统 |
CN108259793B (zh) * | 2018-03-27 | 2020-11-27 | 思特威(上海)电子科技有限公司 | 图像传感器的黑电平校准方法及系统 |
CN112070682B (zh) * | 2019-06-10 | 2024-06-07 | 杭州海康慧影科技有限公司 | 图像亮度补偿的方法和装置 |
CN111261129A (zh) * | 2020-03-23 | 2020-06-09 | 北京奇艺世纪科技有限公司 | 一种屏幕亮度控制方法、装置、电子设备及存储介质 |
US11373621B2 (en) * | 2020-05-22 | 2022-06-28 | Sharp Kabushiki Kaisha | Display device, display control method, and storage medium |
TWI819640B (zh) * | 2022-04-20 | 2023-10-21 | 友達光電股份有限公司 | 影像處理方法以及影像顯示裝置 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6342575A (ja) * | 1986-08-08 | 1988-02-23 | Dainippon Screen Mfg Co Ltd | 階調変換方法およびその装置 |
DE4309878C2 (de) * | 1992-04-06 | 1994-07-21 | Hell Ag Linotype | Verfahren und Einrichtung zur Analyse und Korrektur der Bildgradation in Bildvorlagen |
JP3501252B2 (ja) * | 1995-06-16 | 2004-03-02 | 三菱電機株式会社 | 階調補正装置 |
JP3505115B2 (ja) * | 1999-04-28 | 2004-03-08 | 富士通株式会社 | 画像加工装置及びプログラム記録媒体 |
JP2951910B2 (ja) * | 1997-03-18 | 1999-09-20 | 松下電器産業株式会社 | 撮像装置の階調補正装置及び階調補正方法 |
JP3881439B2 (ja) * | 1998-01-23 | 2007-02-14 | シャープ株式会社 | 画像処理装置 |
JP3325243B2 (ja) * | 1999-09-20 | 2002-09-17 | 京セラミタ株式会社 | 画像処理装置 |
US7006668B2 (en) * | 1999-12-28 | 2006-02-28 | Canon Kabushiki Kaisha | Image processing method and image processing apparatus |
JP4659272B2 (ja) | 2001-05-31 | 2011-03-30 | パナソニック株式会社 | 階調補正装置 |
TWI231701B (en) * | 2001-06-14 | 2005-04-21 | Matsushita Electric Ind Co Ltd | Automatic tone correction device, automatic tone correction method, and tone correction program recording medium |
CA2365893A1 (en) * | 2001-12-21 | 2003-06-21 | Jaldi Semiconductor Corp. | System and method for dynamically enhanced colour space |
JP4062031B2 (ja) * | 2002-09-25 | 2008-03-19 | セイコーエプソン株式会社 | ガンマ補正方法、ガンマ補正装置及び画像読み取りシステム |
US7043090B2 (en) * | 2002-10-02 | 2006-05-09 | Eastman Kodak Company | Enhancing the tonal characteristics of digital images using expansive and compressive tone scale functions |
US7359572B2 (en) * | 2003-03-26 | 2008-04-15 | Microsoft Corporation | Automatic analysis and adjustment of digital images with exposure problems |
SG118191A1 (en) * | 2003-06-27 | 2006-01-27 | St Microelectronics Asia | Method and system for contrast enhancement of digital video |
JP4172346B2 (ja) * | 2003-07-15 | 2008-10-29 | コニカミノルタビジネステクノロジーズ株式会社 | 画像処理装置及びプログラム |
JP4036156B2 (ja) * | 2003-07-30 | 2008-01-23 | セイコーエプソン株式会社 | 逆光画像の判定 |
JP4595330B2 (ja) * | 2004-01-19 | 2010-12-08 | ソニー株式会社 | 画像処理装置および方法、記録媒体、並びにプログラム |
JP4078649B2 (ja) * | 2004-01-28 | 2008-04-23 | 日本ビクター株式会社 | 映像信号処理装置及び方法 |
US20050212726A1 (en) * | 2004-03-16 | 2005-09-29 | Pioneer Plasma Display Corporation | Method, display apparatus and burn-in reduction device for reducing burn-in on display device |
TWI283396B (en) * | 2004-03-23 | 2007-07-01 | Lite On Technology Corp | Method for adjusting image contrast |
KR100555755B1 (ko) * | 2004-05-04 | 2006-03-03 | 삼성전자주식회사 | 휘도 히스토그램을 이용한 영상 자동 보정 장치 |
JP4277773B2 (ja) * | 2004-09-21 | 2009-06-10 | 株式会社日立製作所 | 映像表示装置 |
JP2006098614A (ja) * | 2004-09-29 | 2006-04-13 | Pioneer Electronic Corp | コントラスト補正方法、コントラスト補正回路及び表示装置 |
US7684639B2 (en) * | 2005-10-20 | 2010-03-23 | Sharp Laboratories Of America, Inc. | Methods and systems for automatic digital image enhancement |
US8369645B2 (en) * | 2006-05-17 | 2013-02-05 | Sony Corporation | Image correction circuit, image correction method and image display |
-
2007
- 2007-05-02 US US11/743,366 patent/US8369646B2/en not_active Expired - Fee Related
- 2007-05-04 TW TW096115885A patent/TWI369895B/zh not_active IP Right Cessation
- 2007-05-15 EP EP07108239A patent/EP1858247B1/de not_active Not-in-force
- 2007-05-15 DE DE602007002946T patent/DE602007002946D1/de active Active
- 2007-05-16 KR KR1020070047819A patent/KR20070111389A/ko not_active Application Discontinuation
- 2007-05-17 CN CN2007101039920A patent/CN101076087B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8369646B2 (en) | 2013-02-05 |
TW200814745A (en) | 2008-03-16 |
TWI369895B (en) | 2012-08-01 |
EP1858247B1 (de) | 2009-10-28 |
US20070286533A1 (en) | 2007-12-13 |
CN101076087A (zh) | 2007-11-21 |
EP1858247A1 (de) | 2007-11-21 |
CN101076087B (zh) | 2010-06-16 |
KR20070111389A (ko) | 2007-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |