DE60026925D1 - Einstellung des Kontrastes eines digitalen Bildes mit einem adaptiven, rekursiven Digitalfilter - Google Patents
Einstellung des Kontrastes eines digitalen Bildes mit einem adaptiven, rekursiven DigitalfilterInfo
- Publication number
- DE60026925D1 DE60026925D1 DE60026925T DE60026925T DE60026925D1 DE 60026925 D1 DE60026925 D1 DE 60026925D1 DE 60026925 T DE60026925 T DE 60026925T DE 60026925 T DE60026925 T DE 60026925T DE 60026925 D1 DE60026925 D1 DE 60026925D1
- Authority
- DE
- Germany
- Prior art keywords
- adaptive
- contrast
- adjust
- recursive
- digital 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 - Lifetime
Links
- 230000003044 adaptive effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/73—Deblurring; Sharpening
- G06T5/75—Unsharp masking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration using local operators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Picture Signal Circuits (AREA)
- Studio Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US457036 | 1999-12-08 | ||
US09/457,036 US6728416B1 (en) | 1999-12-08 | 1999-12-08 | Adjusting the contrast of a digital image with an adaptive recursive filter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60026925D1 true DE60026925D1 (de) | 2006-05-18 |
DE60026925T2 DE60026925T2 (de) | 2007-04-05 |
Family
ID=23815186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60026925T Expired - Lifetime DE60026925T2 (de) | 1999-12-08 | 2000-11-22 | Einstellung des Kontrasts eines Digitalbildes mit einem adaptiven, rekursiven Filter |
Country Status (4)
Country | Link |
---|---|
US (1) | US6728416B1 (de) |
EP (1) | EP1107181B1 (de) |
JP (1) | JP2001229377A (de) |
DE (1) | DE60026925T2 (de) |
Families Citing this family (51)
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US6933953B2 (en) * | 2002-04-22 | 2005-08-23 | Koninklijke Philips Electronics N.V. | Cost function to measure objective quality for sharpness enhancement functions |
US7308136B2 (en) * | 2002-07-01 | 2007-12-11 | Xerox Corporation | Weak edge repositioning in a MRC segmentor |
FR2864299B1 (fr) * | 2003-12-19 | 2006-06-02 | Ge Med Sys Global Tech Co Llc | Procede optimise de traitement d'images radiologiques |
US7412110B1 (en) * | 2004-01-28 | 2008-08-12 | Adobe Systems Incorporated | Using forward and backward kernels to filter images |
US7359576B1 (en) * | 2004-02-27 | 2008-04-15 | Adobe Systems Incorporated | Using difference kernels for image filtering |
GB2414613A (en) * | 2004-05-28 | 2005-11-30 | Sony Uk Ltd | Modifying pixels in dependence on surrounding test region |
KR100555868B1 (ko) * | 2004-06-09 | 2006-03-03 | 삼성전자주식회사 | 아티팩트 처리 장치 및 방법 |
JP4659035B2 (ja) * | 2004-06-09 | 2011-03-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 特徴位置に基づくバイオメトリック・テンプレート類似性 |
JP4724124B2 (ja) * | 2004-10-08 | 2011-07-13 | パナソニック株式会社 | 画像処理装置および画像処理プログラム |
US8947465B2 (en) * | 2004-12-02 | 2015-02-03 | Sharp Laboratories Of America, Inc. | Methods and systems for display-mode-dependent brightness preservation |
US7515160B2 (en) * | 2006-07-28 | 2009-04-07 | Sharp Laboratories Of America, Inc. | Systems and methods for color preservation with image tone scale corrections |
US7782405B2 (en) * | 2004-12-02 | 2010-08-24 | Sharp Laboratories Of America, Inc. | Systems and methods for selecting a display source light illumination level |
US8913089B2 (en) * | 2005-06-15 | 2014-12-16 | Sharp Laboratories Of America, Inc. | Methods and systems for enhancing display characteristics with frequency-specific gain |
US8120570B2 (en) * | 2004-12-02 | 2012-02-21 | Sharp Laboratories Of America, Inc. | Systems and methods for tone curve generation, selection and application |
US8111265B2 (en) * | 2004-12-02 | 2012-02-07 | Sharp Laboratories Of America, Inc. | Systems and methods for brightness preservation using a smoothed gain image |
US7800577B2 (en) * | 2004-12-02 | 2010-09-21 | Sharp Laboratories Of America, Inc. | Methods and systems for enhancing display characteristics |
US9083969B2 (en) * | 2005-08-12 | 2015-07-14 | Sharp Laboratories Of America, Inc. | Methods and systems for independent view adjustment in multiple-view displays |
US7924261B2 (en) * | 2004-12-02 | 2011-04-12 | Sharp Laboratories Of America, Inc. | Methods and systems for determining a display light source adjustment |
US8004511B2 (en) * | 2004-12-02 | 2011-08-23 | Sharp Laboratories Of America, Inc. | Systems and methods for distortion-related source light management |
US8922594B2 (en) * | 2005-06-15 | 2014-12-30 | Sharp Laboratories Of America, Inc. | Methods and systems for enhancing display characteristics with high frequency contrast enhancement |
US7982707B2 (en) * | 2004-12-02 | 2011-07-19 | Sharp Laboratories Of America, Inc. | Methods and systems for generating and applying image tone scale adjustments |
US7768496B2 (en) * | 2004-12-02 | 2010-08-03 | Sharp Laboratories Of America, Inc. | Methods and systems for image tonescale adjustment to compensate for a reduced source light power level |
US7961199B2 (en) * | 2004-12-02 | 2011-06-14 | Sharp Laboratories Of America, Inc. | Methods and systems for image-specific tone scale adjustment and light-source control |
US7605872B2 (en) * | 2005-06-20 | 2009-10-20 | Mediatek Inc. | Video contrast adjusting method and system |
FI122806B (fi) * | 2005-07-01 | 2012-07-13 | Abb Oy | Menetelmä ja tuote poikkeavuuksien havaitsemiseksi |
US7821570B2 (en) * | 2005-11-30 | 2010-10-26 | Eastman Kodak Company | Adjusting digital image exposure and tone scale |
US20070126876A1 (en) * | 2005-11-30 | 2007-06-07 | Eastman Kodak Company | Locating digital image planar surfaces |
US20070121094A1 (en) * | 2005-11-30 | 2007-05-31 | Eastman Kodak Company | Detecting objects of interest in digital images |
US20070132865A1 (en) * | 2005-12-12 | 2007-06-14 | Eastman Kodak Company | Filtered noise reduction in digital images |
US7657113B2 (en) * | 2005-12-21 | 2010-02-02 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Auto-regressive method and filter for denoising images and videos |
US7602447B2 (en) | 2006-01-26 | 2009-10-13 | Vestel Elecktronik Sanayi Ve | Method and apparatus for adjusting the contrast of an image |
US7839406B2 (en) * | 2006-03-08 | 2010-11-23 | Sharp Laboratories Of America, Inc. | Methods and systems for enhancing display characteristics with ambient illumination input |
ES2607902T3 (es) | 2006-07-11 | 2017-04-04 | Vestel Elektronik Sanayi Ve Ticaret A.S. | Procedimiento y aparato para ajustar el contraste de una imagen |
TR201810171T4 (tr) * | 2006-10-03 | 2018-08-27 | Vestel Elektronik Sanayi Ve Ticaret Anonim Sirketi | Bir girdi görüntüsündeki halka şeklinde artefaktları en aza indirmek için yöntem ve aparat. |
US7826681B2 (en) * | 2007-02-28 | 2010-11-02 | Sharp Laboratories Of America, Inc. | Methods and systems for surround-specific display modeling |
WO2009012364A1 (en) * | 2007-07-19 | 2009-01-22 | Nikon Corporation | Device and method for estimating if an image is blurred |
US20090220169A1 (en) * | 2008-02-28 | 2009-09-03 | Microsoft Corporation | Image enhancement |
US8416179B2 (en) * | 2008-07-10 | 2013-04-09 | Sharp Laboratories Of America, Inc. | Methods and systems for color preservation with a color-modulated backlight |
US9330630B2 (en) * | 2008-08-30 | 2016-05-03 | Sharp Laboratories Of America, Inc. | Methods and systems for display source light management with rate change control |
KR101027622B1 (ko) | 2009-01-29 | 2011-04-06 | (주)메디슨 | 스무딩 필터링 장치 및 방법 |
US8165724B2 (en) * | 2009-06-17 | 2012-04-24 | Sharp Laboratories Of America, Inc. | Methods and systems for power-controlling display devices |
US20110074803A1 (en) * | 2009-09-29 | 2011-03-31 | Louis Joseph Kerofsky | Methods and Systems for Ambient-Illumination-Selective Display Backlight Modification and Image Enhancement |
WO2011086672A1 (ja) * | 2010-01-13 | 2011-07-21 | 株式会社 東芝 | 動画像符号化装置および復号装置 |
US8648873B1 (en) * | 2010-11-19 | 2014-02-11 | Exelis, Inc. | Spatially variant dynamic range adjustment for still frames and videos |
US8831354B1 (en) * | 2014-01-08 | 2014-09-09 | Faroudja Enterprises, Inc. | System and method for edge-adaptive and recursive non-linear filtering of ringing effect |
KR20150090515A (ko) * | 2014-01-29 | 2015-08-06 | 삼성전자주식회사 | 고주파수 성분의 위상 변조를 통한 영상 질감 향상 방법 및 그 장치 |
KR102211592B1 (ko) * | 2014-03-19 | 2021-02-04 | 삼성전자주식회사 | 전자 장치 및 이의 영상 처리 방법 |
JP2015231086A (ja) * | 2014-06-04 | 2015-12-21 | 三星ディスプレイ株式會社Samsung Display Co.,Ltd. | 制御装置、およびプログラム |
EP3104326A1 (de) * | 2015-06-09 | 2016-12-14 | Thomson Licensing | Verfahren und vorrichtung zum filtern von signalen |
GB2541179B (en) | 2015-07-31 | 2019-10-30 | Imagination Tech Ltd | Denoising filter |
US10628921B1 (en) * | 2017-03-21 | 2020-04-21 | Ambarella International Lp | Tone based non-smooth detection |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3629396C2 (de) * | 1986-08-29 | 1993-12-23 | Agfa Gevaert Ag | Verfahren zur elektronischen Bildverarbeitung |
DE3629409C2 (de) * | 1986-08-29 | 1994-02-17 | Agfa Gevaert Ag | Verfahren und Vorrichtung zur Kontrastbewertung bei der elektronischen Bildverarbeitung |
US5012333A (en) | 1989-01-05 | 1991-04-30 | Eastman Kodak Company | Interactive dynamic range adjustment system for printing digital images |
JP2663189B2 (ja) | 1990-01-29 | 1997-10-15 | 富士写真フイルム株式会社 | 画像のダイナミックレンジ圧縮処理方法 |
JP3143627B2 (ja) * | 1991-06-14 | 2001-03-07 | ディーブイピー テクノロジーズ リミテッド | エッジ保存雑音低減方式 |
EP0588934B1 (de) * | 1991-06-14 | 2000-03-01 | GUISSIN, David | Geraet und verfahren zur glaettung von bildern |
DE69214229T2 (de) | 1991-08-14 | 1997-04-30 | Agfa Gevaert Nv | Verfahren und Vorrichtung zur Kontrastverbesserung von Bildern |
US5471987A (en) | 1993-03-30 | 1995-12-05 | Konica Corporation | Method of compressing a dynamic range for a radiation image |
JPH0816773A (ja) * | 1994-06-29 | 1996-01-19 | Matsushita Electric Ind Co Ltd | 画像処理方法 |
JPH08294006A (ja) | 1995-04-20 | 1996-11-05 | Fuji Photo Film Co Ltd | 画像のダイナミックレンジ圧縮処理方法および装置 |
JP3221291B2 (ja) | 1995-07-26 | 2001-10-22 | ソニー株式会社 | 画像処理装置、画像処理方法、ノイズ除去装置及びノイズ除去方法 |
JP3675896B2 (ja) | 1995-07-27 | 2005-07-27 | 富士写真フイルム株式会社 | 画像処理方法および装置 |
US5872867A (en) * | 1995-08-04 | 1999-02-16 | Sarnoff Corporation | Method and apparatus for generating image textures |
JP3706185B2 (ja) | 1995-12-25 | 2005-10-12 | 富士写真フイルム株式会社 | 画像再生方法および装置 |
US6009447A (en) * | 1996-02-16 | 1999-12-28 | Georgia Tech Research Corporation | Method and system for generating and implementing orientational filters for real-time computer vision applications |
JPH10191326A (ja) * | 1996-11-08 | 1998-07-21 | Sony Corp | 画像処理装置および方法 |
US6317521B1 (en) * | 1998-07-06 | 2001-11-13 | Eastman Kodak Company | Method for preserving image detail when adjusting the contrast of a digital image |
US6315686B1 (en) * | 1999-10-25 | 2001-11-13 | Gilbert Barfield | Golf ball dimple structures with vortex generators |
US6469734B1 (en) * | 2000-04-29 | 2002-10-22 | Cognex Corporation | Video safety detector with shadow elimination |
-
1999
- 1999-12-08 US US09/457,036 patent/US6728416B1/en not_active Expired - Lifetime
-
2000
- 2000-11-22 EP EP00204139A patent/EP1107181B1/de not_active Expired - Lifetime
- 2000-11-22 DE DE60026925T patent/DE60026925T2/de not_active Expired - Lifetime
- 2000-12-07 JP JP2000373516A patent/JP2001229377A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP1107181B1 (de) | 2006-03-29 |
EP1107181A3 (de) | 2003-08-06 |
DE60026925T2 (de) | 2007-04-05 |
EP1107181A2 (de) | 2001-06-13 |
JP2001229377A (ja) | 2001-08-24 |
US6728416B1 (en) | 2004-04-27 |
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