JPH1199673A5 - - Google Patents
Info
- Publication number
- JPH1199673A5 JPH1199673A5 JP1998220075A JP22007598A JPH1199673A5 JP H1199673 A5 JPH1199673 A5 JP H1199673A5 JP 1998220075 A JP1998220075 A JP 1998220075A JP 22007598 A JP22007598 A JP 22007598A JP H1199673 A5 JPH1199673 A5 JP H1199673A5
- Authority
- JP
- Japan
- Prior art keywords
- color
- dye load
- rendered
- inks
- level halftoning
- 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.)
- Pending
Links
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US921,891 | 1992-08-05 | ||
| US08/921,891 US5966507A (en) | 1997-08-25 | 1997-08-25 | Image resolution enhancement technology (IRET) for dual dye-load inkjet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1199673A JPH1199673A (ja) | 1999-04-13 |
| JPH1199673A5 true JPH1199673A5 (enExample) | 2005-10-27 |
Family
ID=25446134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10220075A Pending JPH1199673A (ja) | 1997-08-25 | 1998-08-04 | 中間階調画像形成方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5966507A (enExample) |
| EP (1) | EP0899937A3 (enExample) |
| JP (1) | JPH1199673A (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100301009B1 (ko) * | 1998-06-23 | 2001-09-06 | 윤종용 | 화상 데이터 처리장치 |
| US6335989B1 (en) * | 1998-07-31 | 2002-01-01 | Hewlett-Packard Company | Halftone printing using donut filters |
| US6344901B1 (en) * | 1998-10-19 | 2002-02-05 | Hewlett-Packard Company | Method and apparatus for using a rasterizer and a print engine of incompatible bit-depth representation |
| US6707578B1 (en) * | 1999-09-20 | 2004-03-16 | Hewlett-Packard Development Company, L.P. | Method and apparatus for improving image presentation in a digital copier |
| DE10041624C2 (de) * | 1999-09-20 | 2003-09-11 | Hewlett Packard Co | Verfahren und Speichermedium zur Steuerung eines Prozessors zum Erzeugen eines skalierten Zielpixelbilds |
| US7064869B2 (en) * | 2001-06-22 | 2006-06-20 | Eastman Kodak Company | Method for halftoning a multi-channel digital color image having at least one group of similar color channels |
| US7046863B2 (en) * | 2002-03-25 | 2006-05-16 | Sharp Laboratories Of America, Inc. | Optimizing the advantages of multi-level rendering |
| US7245779B2 (en) * | 2003-07-23 | 2007-07-17 | Marvell International Technology Ltd. | Image enhancement employing partial template matching |
| KR100611981B1 (ko) * | 2004-05-01 | 2006-08-11 | 삼성전자주식회사 | 이미지의 하프토닝 방법 및 장치 |
| JP4609255B2 (ja) * | 2005-09-14 | 2011-01-12 | 富士ゼロックス株式会社 | 画像形成装置およびその画像処理方法 |
| US7612915B2 (en) * | 2005-10-20 | 2009-11-03 | Hewlett-Packard Development Company, L.P. | Determining composite grays |
| US8508801B2 (en) | 2008-08-15 | 2013-08-13 | Adobe Systems Incorporated | Using reflectance properties |
| EP2619971B1 (en) * | 2010-09-20 | 2018-02-21 | OCE-Technologies B.V. | Method of halftoning for asymetric print resolutions and a printer |
| JP5741112B2 (ja) * | 2011-03-24 | 2015-07-01 | セイコーエプソン株式会社 | 印刷装置、印刷方法、印刷データ生成プログラム、ディザマスクの生成方法 |
| US9087291B2 (en) * | 2013-10-01 | 2015-07-21 | Canon Kabushiki Kaisha | Image processing apparatus and method setting thresholds of dither patterns based on density range and generating binary data depending on thresholds of target pixels |
| PT3086945T (pt) | 2013-12-23 | 2020-05-27 | Jan Franck | Impressora a jato de tinta e processo para operar uma impressora a jato de tinta |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968245A (ja) * | 1982-10-13 | 1984-04-18 | Ricoh Co Ltd | 多色インクジエツト記録方法 |
| GB2139450B (en) * | 1983-03-08 | 1987-12-16 | Canon Kk | Color picture forming apparatus |
| US4672432A (en) * | 1983-04-28 | 1987-06-09 | Canon Kabushiki Kaisha | Method for recording a color image using dots of colorants of different densities |
| US4860026A (en) * | 1987-06-25 | 1989-08-22 | Canon Kabushiki Kaisha | Halftone image recording method using recording data having a plurality of concentrations for one color |
| US4924301A (en) * | 1988-11-08 | 1990-05-08 | Seecolor Corporation | Apparatus and methods for digital halftoning |
| JPH0691621B2 (ja) * | 1988-11-24 | 1994-11-14 | 大日本スクリーン製造株式会社 | 網目版画像記録方法および装置 |
| US5111302A (en) * | 1988-12-02 | 1992-05-05 | Hewlett-Packard Company | Method and system for enhancing the quality of both color and black and white images produced by ink jet and electrophotographic printers |
| US5485180A (en) * | 1992-08-05 | 1996-01-16 | Hewlett-Packard Company | Inking for color-inkjet printers, using non-integral drop averages, media varying inking, or more than two drops per pixel |
| US5317418A (en) * | 1993-05-11 | 1994-05-31 | Hewlett-Packard Company | Halftone images using special filters |
| EP0650289A1 (en) * | 1993-10-04 | 1995-04-26 | Eastman Kodak Company | Method and apparatus for generating a halftone pattern for a multi-level output device |
| DE69521638T2 (de) * | 1994-03-02 | 2001-10-25 | Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto | Erzeugung von Mehrfachtonbildern |
| US5937087A (en) * | 1994-07-29 | 1999-08-10 | Canon Kabushiki Kaisha | Image processing apparatus and method thereof |
-
1997
- 1997-08-25 US US08/921,891 patent/US5966507A/en not_active Expired - Lifetime
-
1998
- 1998-08-04 JP JP10220075A patent/JPH1199673A/ja active Pending
- 1998-08-21 EP EP98306695A patent/EP0899937A3/en not_active Withdrawn
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