DE3673491D1 - Anordnung und verfahren zur modifizierung von farbdigitalbildern. - Google Patents
Anordnung und verfahren zur modifizierung von farbdigitalbildern.Info
- Publication number
- DE3673491D1 DE3673491D1 DE8686902179T DE3673491T DE3673491D1 DE 3673491 D1 DE3673491 D1 DE 3673491D1 DE 8686902179 T DE8686902179 T DE 8686902179T DE 3673491 T DE3673491 T DE 3673491T DE 3673491 D1 DE3673491 D1 DE 3673491D1
- Authority
- DE
- Germany
- Prior art keywords
- arrangement
- digital images
- color digital
- modifying color
- modifying
- 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.)
- Revoked
Links
Classifications
-
- G06T5/92—
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/40—Image enhancement or restoration by the use of histogram techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
- H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6027—Correction or control of colour gradation or colour contrast
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/718,317 US4639769A (en) | 1985-04-01 | 1985-04-01 | Modifying color digital images |
PCT/US1986/000534 WO1986005901A1 (en) | 1985-04-01 | 1986-03-19 | Apparatus and method for modifying color digital images |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3673491D1 true DE3673491D1 (de) | 1990-09-20 |
Family
ID=24885657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686902179T Revoked DE3673491D1 (de) | 1985-04-01 | 1986-03-19 | Anordnung und verfahren zur modifizierung von farbdigitalbildern. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4639769A (de) |
EP (1) | EP0218633B1 (de) |
JP (1) | JPS62502432A (de) |
DE (1) | DE3673491D1 (de) |
WO (1) | WO1986005901A1 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2595177B1 (fr) * | 1986-02-28 | 1988-05-13 | Thomson Csf | Procede de compression d'images numeriques et dispositif de mise en oeuvre d'un tel procede |
US4707731A (en) * | 1986-04-03 | 1987-11-17 | Dubner Computer Systems, Inc. | Encoded video television graphics system |
DE3629462C2 (de) * | 1986-08-29 | 1996-05-15 | Agfa Gevaert Ag | Verfahren und Vorrichtung zur elektronischen Bildverarbeitung mit Zwischenspeicherung |
DE3751412T2 (de) * | 1986-09-02 | 1995-12-14 | Fuji Photo Film Co Ltd | Verfahren und Vorrichtung zur Bildverarbeitung mit Gradationskorrektur des Bildsignals. |
JPH0724425B2 (ja) * | 1986-09-02 | 1995-03-15 | 富士写真フイルム株式会社 | 画像処理方法及び装置 |
US4743970A (en) * | 1986-10-20 | 1988-05-10 | The Grass Valley Group, Inc. | Picture transformation memory |
US4814859A (en) * | 1986-11-28 | 1989-03-21 | Olympus Optical Co., Ltd. | Video image processing apparatus for emphasizing color of an image by expanding hue and saturation |
US4908701A (en) * | 1987-03-09 | 1990-03-13 | Canon Kabushiki Kaisha | Color image processing method and apparatus for color adjustment during image processing |
JPS63312151A (ja) * | 1987-06-12 | 1988-12-20 | Nippon Kodatsuku Kk | 画像用プリンタ |
US4829380A (en) * | 1987-12-09 | 1989-05-09 | General Motors Corporation | Video processor |
JP2709356B2 (ja) * | 1988-05-16 | 1998-02-04 | 株式会社鷹山 | 画像処理方法 |
US4868651A (en) * | 1988-05-17 | 1989-09-19 | S&S Inficon, Inc. | Digital radiography with image brightness and contrast normalization |
GB8812891D0 (en) * | 1988-05-31 | 1988-07-06 | Crosfield Electronics Ltd | Image generating apparatus |
US5191444A (en) * | 1988-06-20 | 1993-03-02 | Sanyo Electric Co., Ltd. | Method of converting gradation of a digital image and a circuit thereof and a print density controlling apparatus for a printer and a printer using this method |
JPH0780310B2 (ja) * | 1988-06-20 | 1995-08-30 | 三洋電機株式会社 | 熱転写プリンタの記録濃度制御方法 |
EP0425528A4 (en) * | 1988-07-08 | 1992-05-06 | The Commonwealth Scientific And Industrial Research Organisation | A real-time signal processing circuit |
GB2223643B (en) * | 1988-10-05 | 1993-04-07 | Marconi Gec Ltd | Data processing apparatus |
JP3373508B2 (ja) * | 1989-12-26 | 2003-02-04 | イーストマン コダック カンパニー | フィルム上に捕捉されたイメージの線形範囲を延長する方法 |
US5875288A (en) * | 1990-02-05 | 1999-02-23 | Scitex Corporation Ltd. | Apparatus and techniques for computerized printing |
GB9005030D0 (en) * | 1990-03-06 | 1990-05-02 | Crosfield Electronics Ltd | Image data processing |
US5235649A (en) * | 1991-06-13 | 1993-08-10 | Videk Corporation | Cigarette inspection method |
US5168375A (en) * | 1991-09-18 | 1992-12-01 | Polaroid Corporation | Image reconstruction by use of discrete cosine and related transforms |
US5522657A (en) * | 1993-02-24 | 1996-06-04 | Eastman Kodak Company | Optimization of electronic color printing process functions based on prescan information data |
US5504583A (en) * | 1993-02-24 | 1996-04-02 | Eastman Kodak Company | Generation of prints from an array of images and information relative to such images |
US5724456A (en) * | 1995-03-31 | 1998-03-03 | Polaroid Corporation | Brightness adjustment of images using digital scene analysis |
US5883973A (en) * | 1996-02-20 | 1999-03-16 | Seiko Epson Corporation | Method and apparatus for processing a document by segmentation into text and image areas |
US6786420B1 (en) | 1997-07-15 | 2004-09-07 | Silverbrook Research Pty. Ltd. | Data distribution mechanism in the form of ink dots on cards |
US6618117B2 (en) | 1997-07-12 | 2003-09-09 | Silverbrook Research Pty Ltd | Image sensing apparatus including a microcontroller |
US7110024B1 (en) | 1997-07-15 | 2006-09-19 | Silverbrook Research Pty Ltd | Digital camera system having motion deblurring means |
US6948794B2 (en) * | 1997-07-15 | 2005-09-27 | Silverbrook Reserach Pty Ltd | Printhead re-capping assembly for a print and demand digital camera system |
US6624848B1 (en) | 1997-07-15 | 2003-09-23 | Silverbrook Research Pty Ltd | Cascading image modification using multiple digital cameras incorporating image processing |
US6879341B1 (en) | 1997-07-15 | 2005-04-12 | Silverbrook Research Pty Ltd | Digital camera system containing a VLIW vector processor |
US6690419B1 (en) * | 1997-07-15 | 2004-02-10 | Silverbrook Research Pty Ltd | Utilising eye detection methods for image processing in a digital image camera |
AUPP702098A0 (en) | 1998-11-09 | 1998-12-03 | Silverbrook Research Pty Ltd | Image creation method and apparatus (ART73) |
US6392764B1 (en) * | 1998-11-12 | 2002-05-21 | Xerox Corporation | Systems and methods for adaptively filtering palettized images |
AUPQ056099A0 (en) * | 1999-05-25 | 1999-06-17 | Silverbrook Research Pty Ltd | A method and apparatus (pprint01) |
AUPQ289099A0 (en) * | 1999-09-16 | 1999-10-07 | Silverbrook Research Pty Ltd | Method and apparatus for manipulating a bayer image |
EP1126410A1 (de) * | 2000-02-14 | 2001-08-22 | Koninklijke Philips Electronics N.V. | Bildsignalverbesserung |
CA2401749A1 (en) * | 2000-03-23 | 2001-09-27 | Elan Pharmaceuticals, Inc. | Compounds and methods to treat alzheimer's disease |
US20090228463A1 (en) * | 2008-03-10 | 2009-09-10 | Cramer Richard D | Method for Searching Compound Databases Using Topomeric Shape Descriptors and Pharmacophoric Features Identified by a Comparative Molecular Field Analysis (CoMFA) Utilizing Topomeric Alignment of Molecular Fragments |
US20150356944A1 (en) * | 2014-06-09 | 2015-12-10 | Optoma Corporation | Method for controlling scene and electronic apparatus using the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979555A (en) * | 1975-05-27 | 1976-09-07 | Hughes Aircraft Company | Histogram equalization system for display improvement |
IL58119A (en) * | 1979-08-27 | 1983-03-31 | Yeda Res & Dev | Histogram image enhancement system |
JPS5687044A (en) * | 1979-12-17 | 1981-07-15 | Dainippon Screen Mfg Co Ltd | Method of determining adjusting items in image scanning recorder |
JPS56102853A (en) * | 1980-01-21 | 1981-08-17 | Dainippon Screen Mfg Co Ltd | Metho for pretreating image signal of image copying apparatus |
JPS59163953A (ja) * | 1983-03-08 | 1984-09-17 | Canon Inc | 画像処理装置 |
US4667228A (en) * | 1983-10-14 | 1987-05-19 | Canon Kabushiki Kaisha | Image signal processing apparatus |
-
1985
- 1985-04-01 US US06/718,317 patent/US4639769A/en not_active Expired - Lifetime
-
1986
- 1986-03-19 EP EP86902179A patent/EP0218633B1/de not_active Revoked
- 1986-03-19 DE DE8686902179T patent/DE3673491D1/de not_active Revoked
- 1986-03-19 JP JP61501800A patent/JPS62502432A/ja active Pending
- 1986-03-19 WO PCT/US1986/000534 patent/WO1986005901A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US4639769A (en) | 1987-01-27 |
WO1986005901A1 (en) | 1986-10-09 |
JPS62502432A (ja) | 1987-09-17 |
EP0218633A1 (de) | 1987-04-22 |
EP0218633B1 (de) | 1990-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |