CN101083773B - 数字图像处理设备中的伽玛校正装置和方法 - Google Patents
数字图像处理设备中的伽玛校正装置和方法 Download PDFInfo
- Publication number
- CN101083773B CN101083773B CN2006101291298A CN200610129129A CN101083773B CN 101083773 B CN101083773 B CN 101083773B CN 2006101291298 A CN2006101291298 A CN 2006101291298A CN 200610129129 A CN200610129129 A CN 200610129129A CN 101083773 B CN101083773 B CN 101083773B
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- CN
- China
- Prior art keywords
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- gamma curve
- brightness level
- maximum brightness
- existing
- 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
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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
- H04N5/202—Gamma control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
- H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Studio Devices (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0048286 | 2006-05-29 | ||
KR1020060048286 | 2006-05-29 | ||
KR1020060048286A KR101244912B1 (ko) | 2006-05-29 | 2006-05-29 | 디지털 영상 처리기에서 감마 보정 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101083773A CN101083773A (zh) | 2007-12-05 |
CN101083773B true CN101083773B (zh) | 2011-04-20 |
Family
ID=38749139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101291298A Expired - Fee Related CN101083773B (zh) | 2006-05-29 | 2006-09-11 | 数字图像处理设备中的伽玛校正装置和方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7755681B2 (zh) |
KR (1) | KR101244912B1 (zh) |
CN (1) | CN101083773B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5052365B2 (ja) * | 2008-02-15 | 2012-10-17 | オリンパス株式会社 | 撮像システム及び画像処理方法並びに画像処理プログラム |
JP5117217B2 (ja) * | 2008-02-15 | 2013-01-16 | オリンパス株式会社 | 撮像システム及び画像処理方法並びに画像処理プログラム |
JP5112238B2 (ja) * | 2008-09-29 | 2013-01-09 | 株式会社リコー | 撮像装置、設定値変更方法およびプログラム |
JP5387020B2 (ja) * | 2009-02-05 | 2014-01-15 | 株式会社ニコン | 画像処理プログラムおよびデジタルカメラ |
KR101065719B1 (ko) * | 2009-12-03 | 2011-09-19 | 인하대학교 산학협력단 | 적응적인 감마 적용에 의한 콘트라스트 개선 방법 |
KR20120122574A (ko) | 2011-04-29 | 2012-11-07 | 에스케이하이닉스 주식회사 | 디지털 카메라 장치에서 영상 처리 장치 및 방법 |
KR102062776B1 (ko) * | 2013-08-02 | 2020-01-07 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
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 |
CN104021759A (zh) | 2014-05-30 | 2014-09-03 | 京东方科技集团股份有限公司 | 一种显示器件的亮度补偿方法、亮度补偿装置及显示器件 |
JP6582472B2 (ja) * | 2015-03-19 | 2019-10-02 | 富士ゼロックス株式会社 | 画像処理装置、画像処理システムおよびプログラム |
US11172172B2 (en) * | 2016-12-30 | 2021-11-09 | Texas Instruments Incorporated | Efficient and flexible color processor |
US10417966B2 (en) * | 2017-09-30 | 2019-09-17 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd | Brightness regulation method of a display panel and brightness regulation device |
CN119540204A (zh) * | 2024-01-15 | 2025-02-28 | 南京中阅机电设备有限公司 | 恒速电动机 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1499828A (zh) * | 2002-11-11 | 2004-05-26 | ��ķ�ɷ�����˾ | 伽玛校正电压产生装置及伽玛校正装置和显示装置 |
CN1770875A (zh) * | 2004-11-04 | 2006-05-10 | 乐金电子(沈阳)有限公司 | 图像显示设备的亮度系数补正装置及方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6633343B2 (en) * | 2000-03-14 | 2003-10-14 | Matsushita Electric Industrial Co., Ltd. | Dynamic gamma correction apparatus |
US7170477B2 (en) * | 2000-04-13 | 2007-01-30 | Sharp Kabushiki Kaisha | Image reproducing method, image display apparatus and picture signal compensation device |
JP4649807B2 (ja) | 2001-09-10 | 2011-03-16 | ソニー株式会社 | 撮像装置 |
JP2003122336A (ja) | 2001-10-12 | 2003-04-25 | Nec Viewtechnology Ltd | 画像表示装置並びに表示画像の色およびガンマ値の調整方法 |
JP3992490B2 (ja) | 2001-12-13 | 2007-10-17 | オリンパス株式会社 | 撮像装置及び撮像方法 |
JP2003274427A (ja) * | 2002-03-15 | 2003-09-26 | Canon Inc | 画像処理装置、画像処理システム、画像処理方法、記憶媒体、及びプログラム |
JP3823865B2 (ja) | 2002-04-10 | 2006-09-20 | ノーリツ鋼機株式会社 | 画像処理方法、画像処理プログラムおよび画像処理プログラムを記録した記録媒体 |
EP1441518B1 (en) * | 2002-06-26 | 2017-01-18 | Panasonic Corporation | Characteristic correcting device |
JP4066803B2 (ja) * | 2002-12-18 | 2008-03-26 | 株式会社ニコン | 画像処理装置、画像処理プログラム、画像処理方法および電子カメラ |
JP4136841B2 (ja) * | 2003-08-18 | 2008-08-20 | 株式会社リコー | 撮像装置 |
JP2006020055A (ja) * | 2004-07-01 | 2006-01-19 | Konica Minolta Holdings Inc | 撮像装置 |
JP4466261B2 (ja) * | 2004-07-30 | 2010-05-26 | カシオ計算機株式会社 | 撮像装置、明るさ補正方法及びプログラム |
JP4277773B2 (ja) * | 2004-09-21 | 2009-06-10 | 株式会社日立製作所 | 映像表示装置 |
JP4366485B2 (ja) * | 2004-09-22 | 2009-11-18 | カシオ計算機株式会社 | 撮像装置、画像処理方法及びプログラム |
US7372507B2 (en) * | 2005-02-08 | 2008-05-13 | Texas Instruments Incorporated | Real-time content based gamma adjustment for digital video display |
JP4419933B2 (ja) * | 2005-08-26 | 2010-02-24 | ソニー株式会社 | 画像処理装置、画像表示装置および画像処理方法 |
US7684639B2 (en) * | 2005-10-20 | 2010-03-23 | Sharp Laboratories Of America, Inc. | Methods and systems for automatic digital image enhancement |
-
2006
- 2006-05-29 KR KR1020060048286A patent/KR101244912B1/ko not_active Expired - Fee Related
- 2006-08-07 US US11/500,847 patent/US7755681B2/en not_active Expired - Fee Related
- 2006-09-11 CN CN2006101291298A patent/CN101083773B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1499828A (zh) * | 2002-11-11 | 2004-05-26 | ��ķ�ɷ�����˾ | 伽玛校正电压产生装置及伽玛校正装置和显示装置 |
CN1770875A (zh) * | 2004-11-04 | 2006-05-10 | 乐金电子(沈阳)有限公司 | 图像显示设备的亮度系数补正装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
US7755681B2 (en) | 2010-07-13 |
KR20070114556A (ko) | 2007-12-04 |
CN101083773A (zh) | 2007-12-05 |
US20070273776A1 (en) | 2007-11-29 |
KR101244912B1 (ko) | 2013-03-18 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DIGITALAL IMAGE CO., LTD. Free format text: FORMER OWNER: SAMSUNG TECHWIN CO., LTD. Effective date: 20090821 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20090821 Address after: Gyeonggi Do, South Korea Applicant after: Samsung Electronics Co., Ltd. Address before: Gyeongnam, South Korea Applicant before: Samsung TECHWIN Co., Ltd. |
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Owner name: SAMSUNG ELECTRONICS CO., LTD. Free format text: FORMER OWNER: SAMSUNG TECHWIN CO., LTD. Effective date: 20101123 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20101123 Address after: Gyeonggi Do, South Korea Applicant after: Samsung Electronics Co., Ltd. Address before: Gyeonggi Do, South Korea Applicant before: Samsung Electronics Co., Ltd. |
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Granted publication date: 20110420 Termination date: 20190911 |
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CF01 | Termination of patent right due to non-payment of annual fee |