CN1545326A - 一种视频图像的色饱和度增强系统与方法 - Google Patents
一种视频图像的色饱和度增强系统与方法 Download PDFInfo
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- CN1545326A CN1545326A CNA2003101085085A CN200310108508A CN1545326A CN 1545326 A CN1545326 A CN 1545326A CN A2003101085085 A CNA2003101085085 A CN A2003101085085A CN 200310108508 A CN200310108508 A CN 200310108508A CN 1545326 A CN1545326 A CN 1545326A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/86—Camera processing pipelines; Components thereof for processing colour signals for controlling the colour saturation of colour signals, e.g. automatic chroma control circuits
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- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Image Processing (AREA)
Abstract
Description
AUCIS=平均U色度值递增特征值(average U chrominance increment sum) AUCDS=平均U色度值递减特征值(average U chrominance decrement sum) AVCIS=平均V色度值递增特征值(average V chrominance increment sum) AVCDS=平均V色度值递减特征值(average V chrominance decrement sum) AUC4 =色彩瞬态检测窗口中当前像素所在列的平均U色度值(average U chrominance value of the current pixel column in the transient detection window) AVC4 =色彩瞬态检测窗口中当前像素所在列的平均V色度值(average V chrominance value of the current pixel column in the transient detection window) UC4 =当前像素的U色度值(U chrominance value of the current pixel) VC4 =当前像素的V色度值(V chrominance value of the current pixel) ARSUC=平均右侧U色度值(average right side U chrominance) ALSUC=平均左侧U色度值(average left side U chrominance) ARSVC=平均右侧V色度值(average right side V chrominance) ALSVC=平均左侧V色度值(average left side V chrominance) CCIT =色彩瞬态阈值(chrominance color improvement threshold) IUC =色彩瞬态增强U色度值(improved U chrominance) IVC =色彩瞬态增强V色度值(improved V chrominance) 如果((AUCIS>=CCIT)或(AUCDS>=CCIT))且 ((AVCIS>=CCIT)或(AVCDS>=CCIT)])那么 <!-- SIPO <DP n="16"> --> <dp n="d16"/> { 如果ABS(AUC4-ALSUC)<ABS(AUC4-ARSUC)且 ABS(AVC4-ALSVC)<ABS(AVC4-ARSVC)那么 { IUC=ALSUC IVC=ALSVC } 否则 如果ABS(AUC4-ALSUC)>ABS(AUC4-ARSUC)且 ABS(AVC4-ALSVC)>ABS(AVC4-ARSVC)那么 { IUC=ARSUC IVC=ARSVC } 否则 { IUC=UC4 IVC=VC4 } } 否则 { IUC=UC4 IVC=VC4 }
IUC =色彩瞬态增强U色度值(improved U chrominance) IVC =色彩瞬态增强V色度值(improved V chrominance) C_MAX=视频系统最大色度值(maximum chrominance value) C_MIN=视频系统最小色度值(minimum chrominance value) BSEF =基本色饱和度增强因子(base saturation enhancement factor) INDEX=查找表索引(index to a lookup table) TSEF =列表色饱和度增强因子(tabled saturation enhancement factor) (由一个以INDEX为索引的查找表中得到 from a lookup table indexed by.INDEX) INDEX=max(abs(IUC),abs(IVC)) 如果 (INDEX>=C_MAX)那么 { INDEX=C_MAX SSEF=1 } 否则 如果(INDEX*BSEF≤C_MAX)那么 { SSEF=BSEF } 否则 { SSEF=TSEF }
Claims (27)
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Application Number | Priority Date | Filing Date | Title |
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CNB2003101085085A CN1279764C (zh) | 2003-11-10 | 2003-11-10 | 一种视频图像的色饱和度增强系统与方法 |
US10/839,759 US7593066B2 (en) | 2003-11-10 | 2004-05-04 | Chrominance control unit and method for video images |
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CNB2003101085085A CN1279764C (zh) | 2003-11-10 | 2003-11-10 | 一种视频图像的色饱和度增强系统与方法 |
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CN1545326A true CN1545326A (zh) | 2004-11-10 |
CN1279764C CN1279764C (zh) | 2006-10-11 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101123733B (zh) * | 2007-04-13 | 2010-05-26 | 四川长虹电器股份有限公司 | 色度信号处理方法 |
CN101330564B (zh) * | 2007-06-21 | 2010-06-09 | 联詠科技股份有限公司 | 信号修正方法及其电路及图像信号修正方法及其电路 |
CN101277453B (zh) * | 2005-06-01 | 2010-06-23 | 索尼株式会社 | 成像装置和成像装置中的成像结果处理方法 |
CN101340511B (zh) * | 2008-08-07 | 2011-10-26 | 中兴通讯股份有限公司 | 一种基于亮度检测的自适应视频图像增强方法 |
CN102572221A (zh) * | 2011-12-20 | 2012-07-11 | 苏州希图视鼎微电子有限公司 | 一种视频图像边缘处理方法及装置 |
CN102750680A (zh) * | 2012-06-30 | 2012-10-24 | 四川农业大学 | 基于经验模式分解和颜色空间的茶叶图像增强方法 |
CN105374309A (zh) * | 2014-08-20 | 2016-03-02 | 三星显示有限公司 | 驱动显示面板的方法和用于执行该方法的显示设备 |
CN109559693A (zh) * | 2018-12-11 | 2019-04-02 | 惠科股份有限公司 | 一种显示面板的驱动方法、驱动系统和显示装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100502459C (zh) * | 2005-07-27 | 2009-06-17 | 华亚微电子(上海)有限公司 | 图像色彩控制方法与系统 |
US7734114B1 (en) * | 2005-12-07 | 2010-06-08 | Marvell International Ltd. | Intelligent saturation of video data |
JP4251205B2 (ja) * | 2006-09-19 | 2009-04-08 | 船井電機株式会社 | テレビジョンおよび映像表示装置 |
US8155212B2 (en) * | 2006-11-24 | 2012-04-10 | Mediatek Inc. | System and method for outputting video streams |
US8477247B2 (en) * | 2008-09-30 | 2013-07-02 | Intel Corporation | Joint enhancement of lightness, color and contrast of images and video |
CN102223547B (zh) * | 2011-06-16 | 2014-03-12 | 王洪剑 | 图像色彩增强装置和方法 |
JP7135944B2 (ja) * | 2019-03-06 | 2022-09-13 | 株式会社デンソー | 指標算出装置及び表示システム |
KR20240074005A (ko) * | 2021-11-25 | 2024-05-27 | 가부시키가이샤 재팬 디스프레이 | 화상의 콘트라스트 강조 방법 및 정보 처리 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3629403C2 (de) * | 1986-08-29 | 1994-09-29 | Agfa Gevaert Ag | Verfahren zur Korrektur der Farbsättigung bei der elektronischen Bildverarbeitung |
JP3134660B2 (ja) * | 1994-04-14 | 2001-02-13 | 松下電器産業株式会社 | 色変換方法および色変換装置 |
KR100202566B1 (ko) * | 1996-03-25 | 1999-06-15 | 구자홍 | 칼라영상의 선명도 향상장치 |
US6771311B1 (en) * | 2000-12-11 | 2004-08-03 | Eastman Kodak Company | Automatic color saturation enhancement |
BRPI0302384B1 (pt) * | 2002-07-20 | 2018-06-19 | Samsung Electronics Co., Ltd. | "método para intensificar de forma adaptativa uma cor, e equipamento para intensificar de forma adaptativa a cor de uma imagem" |
US20040114795A1 (en) * | 2002-12-12 | 2004-06-17 | Chung-Yen Lu | Method and apparatus for color processing |
-
2003
- 2003-11-10 CN CNB2003101085085A patent/CN1279764C/zh not_active Expired - Lifetime
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2004
- 2004-05-04 US US10/839,759 patent/US7593066B2/en active Active
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101277453B (zh) * | 2005-06-01 | 2010-06-23 | 索尼株式会社 | 成像装置和成像装置中的成像结果处理方法 |
CN101282491B (zh) * | 2005-06-01 | 2010-10-27 | 索尼株式会社 | 成像装置和成像装置中的成像结果处理方法 |
CN101123733B (zh) * | 2007-04-13 | 2010-05-26 | 四川长虹电器股份有限公司 | 色度信号处理方法 |
CN101330564B (zh) * | 2007-06-21 | 2010-06-09 | 联詠科技股份有限公司 | 信号修正方法及其电路及图像信号修正方法及其电路 |
CN101340511B (zh) * | 2008-08-07 | 2011-10-26 | 中兴通讯股份有限公司 | 一种基于亮度检测的自适应视频图像增强方法 |
CN102572221A (zh) * | 2011-12-20 | 2012-07-11 | 苏州希图视鼎微电子有限公司 | 一种视频图像边缘处理方法及装置 |
CN102750680A (zh) * | 2012-06-30 | 2012-10-24 | 四川农业大学 | 基于经验模式分解和颜色空间的茶叶图像增强方法 |
CN105374309A (zh) * | 2014-08-20 | 2016-03-02 | 三星显示有限公司 | 驱动显示面板的方法和用于执行该方法的显示设备 |
CN105374309B (zh) * | 2014-08-20 | 2021-02-02 | 三星显示有限公司 | 驱动显示面板的方法和用于执行该方法的显示设备 |
CN109559693A (zh) * | 2018-12-11 | 2019-04-02 | 惠科股份有限公司 | 一种显示面板的驱动方法、驱动系统和显示装置 |
Also Published As
Publication number | Publication date |
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CN1279764C (zh) | 2006-10-11 |
US7593066B2 (en) | 2009-09-22 |
US20050099546A1 (en) | 2005-05-12 |
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