DE69332152T2 - Farbbilderzeugungssystem - Google Patents
FarbbilderzeugungssystemInfo
- Publication number
- DE69332152T2 DE69332152T2 DE69332152T DE69332152T DE69332152T2 DE 69332152 T2 DE69332152 T2 DE 69332152T2 DE 69332152 T DE69332152 T DE 69332152T DE 69332152 T DE69332152 T DE 69332152T DE 69332152 T2 DE69332152 T2 DE 69332152T2
- Authority
- DE
- Germany
- Prior art keywords
- color
- pixel
- dither cell
- colorant
- dither
- 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
Links
- 238000003384 imaging method Methods 0.000 title 1
- 239000003086 colorant Substances 0.000 claims description 115
- 238000009877 rendering Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 32
- 239000000049 pigment Substances 0.000 description 26
- 239000000976 ink Substances 0.000 description 23
- 239000000203 mixture Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 230000003595 spectral effect Effects 0.000 description 11
- 239000000975 dye Substances 0.000 description 10
- 230000000295 complement effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 7
- 239000000872 buffer Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 210000001525 retina Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000002547 anomalous effect Effects 0.000 description 3
- 230000004456 color vision Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000000790 retinal pigment Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 101100311330 Schizosaccharomyces pombe (strain 972 / ATCC 24843) uap56 gene Proteins 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 101150018444 sub2 gene Proteins 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H04N1/52—Circuits or arrangements for halftone screening
-
- 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
-
- 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
- H04N1/6016—Conversion to subtractive colour signals
-
- 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
- H04N1/6016—Conversion to subtractive colour signals
- H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
-
- 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
- H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/878,931 US5377024A (en) | 1992-05-04 | 1992-05-04 | Apparatus for forming color images using a hue-plus-gray color model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69332152D1 DE69332152D1 (de) | 2002-08-29 |
| DE69332152T2 true DE69332152T2 (de) | 2002-11-07 |
Family
ID=25373110
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69332152T Expired - Fee Related DE69332152T2 (de) | 1992-05-04 | 1993-04-30 | Farbbilderzeugungssystem |
| DE69327917T Expired - Fee Related DE69327917T2 (de) | 1992-05-04 | 1993-04-30 | Farbbilderzeugungsgerät unter Benutzung eines Farb-plus-Grauton Farbmodels |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69327917T Expired - Fee Related DE69327917T2 (de) | 1992-05-04 | 1993-04-30 | Farbbilderzeugungsgerät unter Benutzung eines Farb-plus-Grauton Farbmodels |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US5377024A (en:Method) |
| EP (2) | EP0569206B1 (en:Method) |
| JP (1) | JP3375176B2 (en:Method) |
| DE (2) | DE69332152T2 (en:Method) |
Families Citing this family (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5883632A (en) * | 1992-05-04 | 1999-03-16 | Hewlett-Packard Company | Coordinating color produced by two devices--using a hue-controlled machine color space, or surface scaling |
| US5473446A (en) * | 1992-05-04 | 1995-12-05 | Hewlett-Packard Company | Color digital halftoning using black and secondary color replacement and color vector dithering |
| US5487020A (en) * | 1993-01-18 | 1996-01-23 | Canon Information Systems Research Australia Pty Ltd. | Refinement of color images using reference colors |
| DE69414173T2 (de) * | 1993-05-28 | 1999-06-02 | Eastman Kodak Co., Rochester, N.Y. | Verfahren und Gerät zum Bestimmen von Farbflächengrenzen und Vorrichtung zur Beschreibung von Farbflächen |
| US5721572A (en) * | 1993-05-28 | 1998-02-24 | Eastman Kodak Company | Method of creating and using a four color device gamut descriptor |
| GB9316214D0 (en) * | 1993-08-05 | 1993-09-22 | Philips Electronics Uk Ltd | Image processing |
| EP0650291B1 (en) * | 1993-09-29 | 2002-04-24 | Canon Kabushiki Kaisha | Image processing apparatus and image processing method |
| DE69526276T2 (de) * | 1994-01-27 | 2003-03-20 | Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto | Farbdrucksystem |
| US5402245A (en) * | 1994-01-27 | 1995-03-28 | Hewlett-Packard Company | Bi-level digital color printer system exhibiting improved undercolor removal and error diffusion procedures |
| EP0679020A1 (en) * | 1994-04-19 | 1995-10-25 | Eastman Kodak Company | Method and apparatus for constrained gamut clipping |
| JPH07307871A (ja) * | 1994-05-11 | 1995-11-21 | Canon Inc | 画像処理装置および方法 |
| JPH08140120A (ja) * | 1994-11-15 | 1996-05-31 | Sony Corp | 色相表示方法および色相表示装置 |
| US5737032A (en) * | 1995-09-05 | 1998-04-07 | Videotek, Inc. | Serial digital video processing with concurrent adjustment in RGB and luminance/color difference |
| US5681259A (en) * | 1996-01-05 | 1997-10-28 | Healing Environments International, Inc. | Method and apparatus for biophilically promoting patient relaxation, for reducing physical and/or psychological patient stress and for expediting patient recovery |
| US6353803B1 (en) | 1996-01-18 | 2002-03-05 | Yeda Research And Development Co., Ltd. At The Welzmann Institute Of Science | Apparatus for monitoring a system in which a fluid flows |
| US6553327B2 (en) * | 1998-09-16 | 2003-04-22 | Yeda Research & Development Co., Ltd. | Apparatus for monitoring a system with time in space and method therefor |
| US6201879B1 (en) * | 1996-02-09 | 2001-03-13 | Massachusetts Institute Of Technology | Method and apparatus for logo hiding in images |
| FR2745750B1 (fr) * | 1996-03-08 | 1998-04-30 | Oreal | Procede et machine d'impression pour la mise en oeuvre du procede et support ainsi imprime |
| US5778106A (en) * | 1996-03-14 | 1998-07-07 | Polaroid Corporation | Electronic camera with reduced color artifacts |
| US5852502A (en) * | 1996-05-31 | 1998-12-22 | American Digital Imaging, Inc. | Apparatus and method for digital camera and recorder having a high resolution color composite image output |
| US5822502A (en) * | 1996-09-20 | 1998-10-13 | Seiko Epson Corporation | Cluster dither ink duty limit control |
| US5920682A (en) * | 1996-09-20 | 1999-07-06 | Seiko Epson Corporation | Multiple layer cluster dither matrix for reducing artifacts in printed images |
| JPH10164380A (ja) * | 1996-10-04 | 1998-06-19 | Canon Inc | 画像処理装置及びその方法 |
| US5796929A (en) * | 1996-10-24 | 1998-08-18 | Seiko Epson Corporation | Banding and ink-bleeding reduction in cluster dither by screen displacement |
| US6278533B1 (en) | 1996-11-29 | 2001-08-21 | Fuji Photo Film Co., Ltd. | Method of processing image signal |
| US6015207A (en) * | 1996-12-04 | 2000-01-18 | Hewlett-Packard Company | Color halftoning options influenced by print-mode setting |
| US6185013B1 (en) * | 1996-12-23 | 2001-02-06 | Xerox Corporation | Color printing having a plural highlight color image map in a full color image |
| WO1998035458A1 (en) * | 1997-02-06 | 1998-08-13 | At & T Wireless Services, Inc. | Method of synchronizing a remote station with a base station in a discrete multitone spread spectrum communications system |
| SE9701400D0 (en) * | 1997-04-15 | 1997-04-15 | Essnet Ab | Form reader |
| US6002124A (en) * | 1998-03-20 | 1999-12-14 | Hewlett-Packard Company | Portable image scanner with optical position sensors |
| US6459501B1 (en) * | 1998-04-06 | 2002-10-01 | Joseph Holmes | Small-gamut colorant set |
| US6014227A (en) * | 1998-04-30 | 2000-01-11 | Hewlett-Packard Co. | Printer with progressive column error diffusion system and method of using same for improved printer throughput |
| US6062137A (en) * | 1998-05-17 | 2000-05-16 | Hewlett-Packard Company | Application of spectral modeling theory in device-independent color space halftoning |
| US6179407B1 (en) | 1998-11-20 | 2001-01-30 | Hewlett-Packard Company | Multi-pass inkjet printer system and method of using same |
| KR100350789B1 (ko) * | 1999-03-04 | 2002-08-28 | 엘지전자 주식회사 | 이미지 검색시스템의 분위기 칼라 자동추출 및 원래 칼라 조정방법 |
| US6594387B1 (en) * | 1999-04-30 | 2003-07-15 | Texas Instruments Incorporated | Enhanced color correction |
| KR100512118B1 (ko) * | 1999-06-10 | 2005-09-02 | 엘지전자 주식회사 | 칼라스페이스의 최적 양자화 방법 |
| US6775028B1 (en) | 2000-02-24 | 2004-08-10 | Lexmark International, Inc. | Non-linear method of mapping the lightness and chroma of a display device gamut onto a printing device gamut |
| US6822760B1 (en) * | 2000-04-05 | 2004-11-23 | Eastman Kodak Company | Method of processing and paying for an extended color gamut digital image |
| US6607499B1 (en) | 2000-04-19 | 2003-08-19 | James Becher | Portable real time, dry mechanical relaxation and physical therapy device simulating application of massage and wet hydrotherapy for limbs |
| US6494851B1 (en) | 2000-04-19 | 2002-12-17 | James Becher | Real time, dry mechanical relaxation station and physical therapy device simulating human application of massage and wet hydrotherapy |
| US7623706B1 (en) * | 2000-09-29 | 2009-11-24 | Hewlett-Packard Development Company, L.P. | Reduction of chromatic bleeding artifacts in images containing subsampled chrominance values |
| US6870645B1 (en) | 2000-10-03 | 2005-03-22 | Hewlett-Packard Development Company, L.P. | Plane dependent matrix based halftoning |
| US6832007B1 (en) * | 2000-11-21 | 2004-12-14 | Xerox Corporation | Method and system for compensating for scaling artifacts in mixed raster content (MRC) representations |
| US6386670B1 (en) * | 2001-01-30 | 2002-05-14 | Lexmark International, Inc. | Printing black and three colors from three color data |
| JP4038998B2 (ja) * | 2001-02-23 | 2008-01-30 | セイコーエプソン株式会社 | 色の光源依存性を抑えた印刷 |
| US7054484B2 (en) * | 2001-07-14 | 2006-05-30 | Lyford Kirk S | Guided color correction system |
| US6967753B2 (en) * | 2001-07-31 | 2005-11-22 | Hewlett-Packard Development Company, L.P. | Plane dependent compression |
| US6588879B2 (en) | 2001-12-03 | 2003-07-08 | Supersample Corporation | Method for ink jet printing a digital image on a textile, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method |
| US7355747B2 (en) * | 2002-01-18 | 2008-04-08 | Hewlett-Packard Development Company, L.P. | System for improving the speed of data processing |
| JP2004120217A (ja) * | 2002-08-30 | 2004-04-15 | Canon Inc | 画像処理装置、画像処理方法、プログラムおよび記録媒体 |
| US6956581B2 (en) * | 2002-09-19 | 2005-10-18 | Lexmark International, Inc. | Gamut mapping algorithm for business graphics |
| WO2004068845A1 (en) * | 2003-01-30 | 2004-08-12 | Kodak Polychrome Graphics, Llc | Color correction using a device-dependent display profile |
| JP4307095B2 (ja) | 2003-02-05 | 2009-08-05 | キヤノン株式会社 | 色変換方法及びプロファイル作成方法 |
| US6944333B2 (en) * | 2003-04-30 | 2005-09-13 | Ventana Medical Systems, Inc. | Color image compression via spectral decorrelation and elimination of spatial redundancy |
| US7450270B2 (en) * | 2004-01-16 | 2008-11-11 | Hewlett-Packard Development Company, L.P. | Image data processing methods, hard imaging devices, and articles of manufacture |
| US7436546B2 (en) * | 2004-05-07 | 2008-10-14 | Infoprint Solutions Company, Llc | Method and apparatus for color management |
| US7430063B2 (en) * | 2004-05-07 | 2008-09-30 | Infoprint Soultions Company, Llc | Method and apparatus for color management |
| US7433080B2 (en) | 2004-09-28 | 2008-10-07 | Toshiba Corporation | System and method for conversion of duotone images for display |
| US7499203B2 (en) * | 2005-03-24 | 2009-03-03 | Xerox Corporation | Color printing |
| US7502149B2 (en) * | 2005-03-24 | 2009-03-10 | Xerox Corporation | Color printing |
| US7623266B2 (en) * | 2006-04-07 | 2009-11-24 | Canon Kabushiki Kaisha | Gamut mapping with saturation intent |
| EP1912423A1 (en) * | 2006-10-11 | 2008-04-16 | Hewlett-Packard Development Company, L.P. | Error diffusion based on Kueppers' color separation and halftoning methods |
| JP5610768B2 (ja) | 2006-10-31 | 2014-10-22 | センシエント・カラーズ・インコーポレーテッド | 変性顔料並びにそれを製造及び使用する方法 |
| JP4804369B2 (ja) * | 2007-01-12 | 2011-11-02 | キヤノン株式会社 | 画像形成装置、画像形成方法、及びコンピュータプログラム |
| US7953275B1 (en) * | 2007-08-20 | 2011-05-31 | Adobe Systems Incorporated | Image shader for digital image modification |
| US8019182B1 (en) | 2007-08-20 | 2011-09-13 | Adobe Systems Incorporated | Digital image modification using pyramid vignettes |
| CN101855302B (zh) | 2007-08-23 | 2014-10-01 | 森馨颜色公司 | 自分散颜料及制造和使用该自分散颜料的方法 |
| US20090103118A1 (en) * | 2007-10-22 | 2009-04-23 | Kabushiki Kaisha Toshiba | Color conversion apparatus |
| US8199184B2 (en) * | 2007-11-06 | 2012-06-12 | Cisco Technology, Inc. | Visually enhancing a conference |
| KR101219434B1 (ko) * | 2008-04-24 | 2013-01-11 | 삼성전자주식회사 | 화상처리장치 및 화상처리방법 |
| US8264741B2 (en) | 2008-10-14 | 2012-09-11 | Xerox Corporation | Color to black only percent threshold option for customers |
| US9221986B2 (en) | 2009-04-07 | 2015-12-29 | Sensient Colors Llc | Self-dispersing particles and methods for making and using the same |
| SG191854A1 (en) * | 2011-01-04 | 2013-08-30 | Ppg Ind Ohio Inc | Web-based architectural color selection system |
| TWI495352B (zh) * | 2011-10-17 | 2015-08-01 | Sitronix Technology Corp | Color adjustment device and color adjustment method |
| US9880723B2 (en) * | 2015-03-27 | 2018-01-30 | Spkdrm Llc | Graphical user interface using color spectrum to map sentiments |
| MX2017014932A (es) | 2015-05-22 | 2018-03-23 | Ppg Ind Ohio Inc | Analisis de comportamiento de usuario en quioscos para identificar productos recomendados. |
| CA2986452C (en) | 2015-05-22 | 2020-11-24 | Ppg Industries Ohio, Inc. | Home decor color matching |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3885244A (en) * | 1970-12-17 | 1975-05-20 | Hell Rudolf Dr Ing | Method of producing color correction signals and color separation signals |
| US4058828A (en) * | 1975-05-27 | 1977-11-15 | Eastman Kodak Company | Document copying apparatus |
| IL59886A (en) * | 1979-04-23 | 1983-06-15 | Dainippon Screen Mfg | Digital color control method and machine |
| GB2053619B (en) * | 1979-07-03 | 1983-11-02 | Crosfield Electronics Ltd | Interpolation methods and apparatus |
| WO1981001065A1 (fr) * | 1979-10-05 | 1981-04-16 | Hell R Gmbh | Procede pour transformer des signaux numeriques de chrominance d'un systeme orthogonal de coordonnees de couleur en des signaux numeriques de couleur et en des signaux de saturation d'un systeme de coordonnees de couleur et circuit de transformation |
| JPS57100580A (en) * | 1980-12-15 | 1982-06-22 | Fuji Photo Film Co Ltd | Ink jet printer |
| US4449150A (en) * | 1981-01-19 | 1984-05-15 | Ricoh Company, Ltd. | Method of processing medium tone picture |
| JPS57197191A (en) * | 1981-05-30 | 1982-12-03 | Fuji Photo Film Co Ltd | Ink jet color print system |
| JPS5846341A (ja) * | 1981-09-16 | 1983-03-17 | Dainippon Screen Mfg Co Ltd | 多色印刷物再現色表示時における再現色変換方法 |
| US4500919A (en) * | 1982-05-04 | 1985-02-19 | Massachusetts Institute Of Technology | Color reproduction system |
| JPS58219867A (ja) * | 1982-06-14 | 1983-12-21 | Canon Inc | 色再現方式 |
| GB8425339D0 (en) * | 1984-10-08 | 1984-11-14 | Crosfield Electronics Ltd | Reproduction of coloured images |
| US4751535A (en) * | 1986-10-15 | 1988-06-14 | Xerox Corporation | Color-matched printing |
| EP0273398B1 (en) * | 1986-12-25 | 1995-02-08 | Konica Corporation | Method of correcting color images |
| US4953015A (en) * | 1987-12-14 | 1990-08-28 | Sharp Kabushiki Kaisha | Method for printing a color image which includes black ink |
| US4924301A (en) * | 1988-11-08 | 1990-05-08 | Seecolor Corporation | Apparatus and methods for digital halftoning |
| US5231504A (en) * | 1991-12-30 | 1993-07-27 | Xerox Corporation | Method for improved color reproduction using linear mixing calculations based on positional relationships between an original color and an achromatic region in a linear mixing space |
-
1992
- 1992-05-04 US US07/878,931 patent/US5377024A/en not_active Expired - Lifetime
-
1993
- 1993-04-30 DE DE69332152T patent/DE69332152T2/de not_active Expired - Fee Related
- 1993-04-30 DE DE69327917T patent/DE69327917T2/de not_active Expired - Fee Related
- 1993-04-30 EP EP93303436A patent/EP0569206B1/en not_active Expired - Lifetime
- 1993-04-30 JP JP12810793A patent/JP3375176B2/ja not_active Expired - Fee Related
- 1993-04-30 EP EP96111747A patent/EP0739126B1/en not_active Expired - Lifetime
-
1994
- 1994-11-14 US US08/338,291 patent/US5537228A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0569206B1 (en) | 2000-03-01 |
| DE69327917T2 (de) | 2000-11-02 |
| EP0569206A3 (en:Method) | 1994-03-30 |
| US5377024A (en) | 1994-12-27 |
| EP0739126A2 (en) | 1996-10-23 |
| EP0569206A2 (en) | 1993-11-10 |
| JP3375176B2 (ja) | 2003-02-10 |
| DE69332152D1 (de) | 2002-08-29 |
| EP0739126B1 (en) | 2002-07-24 |
| US5537228A (en) | 1996-07-16 |
| JPH0638033A (ja) | 1994-02-10 |
| EP0739126A3 (en) | 1997-01-15 |
| DE69327917D1 (de) | 2000-04-06 |
Similar Documents
| Publication | Publication Date | Title |
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