CN101690161B - 用于自动地计算伽马校正曲线的设备和方法 - Google Patents
用于自动地计算伽马校正曲线的设备和方法 Download PDFInfo
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- CN101690161B CN101690161B CN2008800223178A CN200880022317A CN101690161B CN 101690161 B CN101690161 B CN 101690161B CN 2008800223178 A CN2008800223178 A CN 2008800223178A CN 200880022317 A CN200880022317 A CN 200880022317A CN 101690161 B CN101690161 B CN 101690161B
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- 238000012937 correction Methods 0.000 title claims abstract description 277
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- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
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Abstract
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Claims (24)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2007-0063014 | 2007-06-26 | ||
KR1020070063014 | 2007-06-26 | ||
KR1020070063014A KR100886099B1 (ko) | 2007-06-26 | 2007-06-26 | 감마 보정 곡선의 자동 산출 장치 및 방법 |
PCT/KR2008/003694 WO2009002111A1 (en) | 2007-06-26 | 2008-06-26 | Apparatus and method for automatically computing gamma correction curve |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101690161A CN101690161A (zh) | 2010-03-31 |
CN101690161B true CN101690161B (zh) | 2011-11-30 |
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ID=40185824
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008800223178A Expired - Fee Related CN101690161B (zh) | 2007-06-26 | 2008-06-26 | 用于自动地计算伽马校正曲线的设备和方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090010538A1 (zh) |
KR (1) | KR100886099B1 (zh) |
CN (1) | CN101690161B (zh) |
WO (1) | WO2009002111A1 (zh) |
Families Citing this family (24)
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JP4922091B2 (ja) | 2007-07-23 | 2012-04-25 | ルネサスエレクトロニクス株式会社 | 映像信号処理装置、映像信号処理方法及び表示装置 |
KR101155893B1 (ko) * | 2009-08-28 | 2012-06-20 | 삼성모바일디스플레이주식회사 | 모듈 검사 방법 |
KR101155894B1 (ko) * | 2009-08-28 | 2012-06-20 | 삼성모바일디스플레이주식회사 | 원장 검사 방법 |
CN102169594A (zh) * | 2010-02-26 | 2011-08-31 | 新奥特(北京)视频技术有限公司 | 一种实现任意区域渐变动画的方法和装置 |
CN102237052B (zh) * | 2010-04-23 | 2013-05-01 | 北京京东方光电科技有限公司 | 液晶显示器驱动电路及驱动方法 |
CN102469239B (zh) * | 2010-11-17 | 2015-06-17 | 北大方正集团有限公司 | 颜色校正方法和装置 |
KR20120122574A (ko) | 2011-04-29 | 2012-11-07 | 에스케이하이닉스 주식회사 | 디지털 카메라 장치에서 영상 처리 장치 및 방법 |
JP6053512B2 (ja) * | 2012-12-28 | 2016-12-27 | キヤノン株式会社 | 被検体情報取得装置およびその制御方法 |
BR112015026979B1 (pt) * | 2013-04-30 | 2023-04-11 | Sony Corporation | Dispositivos e métodos de transmissão e recepção |
DE102013011844A1 (de) * | 2013-07-16 | 2015-02-19 | Connaught Electronics Ltd. | Verfahren zum Anpassen einer Gammakurve eines Kamerasystems eines Kraftfahrzeugs, Kamerasystem und Kraftfahrzeug |
CN105139345B (zh) * | 2015-06-25 | 2018-07-24 | 武汉烽火众智数字技术有限责任公司 | 一种优质非标准Gamma曲线的自动搜索方法 |
US10192127B1 (en) * | 2017-07-24 | 2019-01-29 | Bank Of America Corporation | System for dynamic optical character recognition tuning |
US10346702B2 (en) | 2017-07-24 | 2019-07-09 | Bank Of America Corporation | Image data capture and conversion |
CN107479222B (zh) * | 2017-08-28 | 2020-08-11 | 惠科股份有限公司 | 量测显示面板的量测方法及其装置 |
CN107909068A (zh) * | 2017-11-24 | 2018-04-13 | 苏州灯蓝软件科技有限公司 | 一种大数据图像曲线反向解析方法及系统 |
US10404935B1 (en) * | 2018-10-04 | 2019-09-03 | Dell Products L.P. | System and method of correcting discontinuities of light intensities of displays |
CN109561238A (zh) * | 2018-12-19 | 2019-04-02 | 安徽智迪信息科技有限公司 | 一种电视led显示屏影像处理方法 |
CN110428777B (zh) * | 2019-08-14 | 2021-01-22 | 京东方科技集团股份有限公司 | 一种显示模组的显示校正方法和装置 |
WO2021056315A1 (zh) * | 2019-09-26 | 2021-04-01 | 京东方科技集团股份有限公司 | 伽马校正方法、伽马校正装置及伽马校正系统 |
KR20210134150A (ko) | 2020-04-29 | 2021-11-09 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 감마 보정 방법 |
CN112019774B (zh) * | 2020-08-10 | 2021-08-13 | 中国科学院光电技术研究所 | 一种红外高位宽数字图像的高质量显示方法 |
KR102377318B1 (ko) * | 2021-11-01 | 2022-03-21 | 금오공과대학교 산학협력단 | 광노출 보정 및 화질 개선을 위한 hdr 기법 |
CN115050306B (zh) * | 2022-08-16 | 2023-05-05 | 北京数字光芯集成电路设计有限公司 | 图像校正方法及其预处理方法、图像校正电路 |
CN115547226B (zh) * | 2022-10-17 | 2023-09-08 | 深圳市安立信电子有限公司 | 医用显示器的亮度自检及预警方法、装置及电子设备 |
Family Cites Families (16)
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US5175621A (en) * | 1989-08-10 | 1992-12-29 | Ikegami Tsushinki Co., Ltd. | Gamma correction circuit and method thereof |
US6043797A (en) * | 1996-11-05 | 2000-03-28 | Clarity Visual Systems, Inc. | Color and luminance control system for liquid crystal projection displays |
US6285398B1 (en) * | 1997-11-17 | 2001-09-04 | Sony Corporation | Charge-coupled device video camera with raw data format output and software implemented camera signal processing |
ATE205621T1 (de) * | 1998-04-03 | 2001-09-15 | Da Vinci Systems Inc | Vorrichtung zur erzeugung von angepassten gamma- kurven für einer farbkorrekturanlage |
KR100510120B1 (ko) * | 1998-08-26 | 2005-12-21 | 삼성전자주식회사 | 이미지 센서의 감마 특성 곡선 획득 장치 및 방법 |
US6717698B1 (en) * | 2000-02-02 | 2004-04-06 | Eastman Kodak Company | Tone scale processing based on image modulation activity |
KR100435205B1 (ko) * | 2002-06-04 | 2004-06-11 | 한국방송공사 | 방송용 디지털 카메라의 자동 설정 방법 |
US20050024657A1 (en) * | 2003-07-28 | 2005-02-03 | Pentax Corporation | Color chart |
JP2005141527A (ja) * | 2003-11-07 | 2005-06-02 | Sony Corp | 画像処理装置、および画像処理方法、並びにコンピュータ・プログラム |
KR20050121148A (ko) * | 2004-06-21 | 2005-12-26 | 삼성전자주식회사 | 영상보간방법 및 영상보간장치 |
JP2006115389A (ja) * | 2004-10-18 | 2006-04-27 | Eastman Kodak Co | デジタル映像信号データ処理装置 |
US7545421B2 (en) * | 2004-10-28 | 2009-06-09 | Qualcomm Incorporated | Apparatus, system, and method for optimizing gamma curves for digital image devices |
JP4341597B2 (ja) * | 2005-08-25 | 2009-10-07 | セイコーエプソン株式会社 | ガンマカーブ調整装置及び調整ポイント設定方法 |
US7639893B2 (en) * | 2006-05-17 | 2009-12-29 | Xerox Corporation | Histogram adjustment for high dynamic range image mapping |
JP5003196B2 (ja) * | 2007-02-19 | 2012-08-15 | ソニー株式会社 | 画像処理装置および方法、並びに、プログラム |
US7965300B2 (en) * | 2007-11-15 | 2011-06-21 | Sharp Laboratories Of America, Inc. | Methods and systems for efficient white balance and gamma control |
-
2007
- 2007-06-26 KR KR1020070063014A patent/KR100886099B1/ko not_active IP Right Cessation
-
2008
- 2008-06-25 US US12/215,203 patent/US20090010538A1/en not_active Abandoned
- 2008-06-26 WO PCT/KR2008/003694 patent/WO2009002111A1/en active Application Filing
- 2008-06-26 CN CN2008800223178A patent/CN101690161B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20080113950A (ko) | 2008-12-31 |
US20090010538A1 (en) | 2009-01-08 |
CN101690161A (zh) | 2010-03-31 |
KR100886099B1 (ko) | 2009-03-04 |
WO2009002111A1 (en) | 2008-12-31 |
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