DE60233205D1 - Albtonpunkten - Google Patents
AlbtonpunktenInfo
- Publication number
- DE60233205D1 DE60233205D1 DE60233205T DE60233205T DE60233205D1 DE 60233205 D1 DE60233205 D1 DE 60233205D1 DE 60233205 T DE60233205 T DE 60233205T DE 60233205 T DE60233205 T DE 60233205T DE 60233205 D1 DE60233205 D1 DE 60233205D1
- Authority
- DE
- Germany
- Prior art keywords
- albtonpunkten
- 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
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
- H04N1/40—Picture signal circuits
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
- H04N1/4052—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions
- H04N1/4053—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions with threshold modulated relative to input image data or vice versa
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/10—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers
- G06K15/102—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers using ink jet print heads
- G06K15/105—Multipass or interlaced printing
- G06K15/107—Mask selection
-
- 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
- H04N1/40087—Multi-toning, i.e. converting a continuous-tone signal for reproduction with more than two discrete brightnesses or optical densities, e.g. dots of grey and black inks on white paper
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/802,401 US6778299B2 (en) | 2001-03-09 | 2001-03-09 | Error diffusion with partial dots method and system |
PCT/US2002/006875 WO2002082801A1 (en) | 2001-03-09 | 2002-03-06 | Error diffusion with partial dots method and system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60233205D1 true DE60233205D1 (de) | 2009-09-17 |
Family
ID=25183598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60233205T Expired - Lifetime DE60233205D1 (de) | 2001-03-09 | 2002-03-06 | Albtonpunkten |
Country Status (5)
Country | Link |
---|---|
US (1) | US6778299B2 (de) |
EP (1) | EP1366618B1 (de) |
JP (1) | JP4149269B2 (de) |
DE (1) | DE60233205D1 (de) |
WO (1) | WO2002082801A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4150206B2 (ja) * | 2001-10-29 | 2008-09-17 | 富士フイルム株式会社 | 網点閾値データ作成方法 |
US7268919B2 (en) * | 2002-01-17 | 2007-09-11 | Seiko Epson Corporation | Image data processing apparatus, method, and program that diffuses gradiation error for each pixel in target block |
JP4107059B2 (ja) * | 2002-03-20 | 2008-06-25 | 富士ゼロックス株式会社 | 画像処理方法および画像処理装置 |
JP2004235993A (ja) * | 2003-01-30 | 2004-08-19 | Canon Inc | 画像処理方法 |
US7551323B2 (en) * | 2003-04-16 | 2009-06-23 | Lexmark International, Inc. | Systems and methods for error diffusion |
US7440139B2 (en) * | 2005-01-13 | 2008-10-21 | Xerox Corporation | Systems and methods for controlling a tone reproduction curve using error diffusion |
US7468814B2 (en) * | 2005-02-08 | 2008-12-23 | Astro-Med, Inc. | Algorithm for controlling half toning process |
US20060197989A1 (en) * | 2005-03-07 | 2006-09-07 | Toshiba Corporation | Multi-configured halftone system |
KR100621097B1 (ko) * | 2005-04-20 | 2006-09-07 | 삼성전자주식회사 | 화상처리방법 및 화상처리장치 |
US7440140B2 (en) * | 2005-04-29 | 2008-10-21 | Hewlett-Packard Development Company, L.P. | Sequential color error diffusion with forward and backward exchange of information between color planes |
US20070070427A1 (en) * | 2005-08-18 | 2007-03-29 | Lexmark International, Inc. | Systems and methods for selective dithering using pixel classification |
US20070097440A1 (en) * | 2005-10-28 | 2007-05-03 | Peter Majewicz | Partial dot error diffusion halftone calibration |
JP2008273136A (ja) * | 2007-05-07 | 2008-11-13 | Sony Corp | 印刷装置、サーバー、印刷特性改善方法及びコンピュータプログラム |
US20100027074A1 (en) * | 2008-07-31 | 2010-02-04 | Sharp Laboratories Of America, Inc. | Partition halftone for multi-tone level output device |
JP5299466B2 (ja) * | 2011-04-07 | 2013-09-25 | コニカミノルタ株式会社 | 画像処理装置、画像処理方法及びプログラム |
GB2545727B (en) | 2015-12-23 | 2018-05-23 | Xaar Technology Ltd | Configurable error hiding |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4680645A (en) | 1986-08-25 | 1987-07-14 | Hewlett-Packard Company | Method for rendering gray scale images with variable dot sizes |
JPH02303863A (ja) | 1989-05-19 | 1990-12-17 | Canon Inc | 画像形成装置 |
JPH0380767A (ja) | 1989-08-24 | 1991-04-05 | Ricoh Co Ltd | 画像の階調記録装置 |
JP2824999B2 (ja) | 1990-02-01 | 1998-11-18 | キヤノン株式会社 | 画像処理装置 |
DE69324653T2 (de) | 1992-06-05 | 1999-11-11 | Eastman Kodak Co | Verfahren und gerät zur bildreproduktion mittels grautondruck |
EP0670653B1 (de) | 1994-03-02 | 2001-07-11 | Hewlett-Packard Company, A Delaware Corporation | Erzeugung von Mehrfachtonbildern |
JPH0983799A (ja) | 1994-12-20 | 1997-03-28 | Canon Inc | 画像処理方法及び装置それを用いた画像形成方法及び装置 |
JP3444094B2 (ja) * | 1995-10-06 | 2003-09-08 | セイコーエプソン株式会社 | 画像処理方法及びその装置 |
US5812744A (en) | 1996-04-30 | 1998-09-22 | Hewlett Packard Company | Joint design of dither matrices for a set of colorants |
US6108450A (en) * | 1996-11-19 | 2000-08-22 | Brother Kogyo Kabushiki Kaisha | Threshold matrix-employed error diffusion image conversion method |
JP3601491B2 (ja) * | 2000-10-06 | 2004-12-15 | セイコーエプソン株式会社 | 画像処理装置、画像処理方法、記録媒体、およびプログラム |
-
2001
- 2001-03-09 US US09/802,401 patent/US6778299B2/en not_active Expired - Lifetime
-
2002
- 2002-03-06 DE DE60233205T patent/DE60233205D1/de not_active Expired - Lifetime
- 2002-03-06 EP EP02763842A patent/EP1366618B1/de not_active Expired - Fee Related
- 2002-03-06 JP JP2002580626A patent/JP4149269B2/ja not_active Expired - Fee Related
- 2002-03-06 WO PCT/US2002/006875 patent/WO2002082801A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2002082801A1 (en) | 2002-10-17 |
WO2002082801A9 (en) | 2002-11-28 |
EP1366618B1 (de) | 2009-08-05 |
US20020145758A1 (en) | 2002-10-10 |
EP1366618A1 (de) | 2003-12-03 |
JP2004531129A (ja) | 2004-10-07 |
US6778299B2 (en) | 2004-08-17 |
JP4149269B2 (ja) | 2008-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, US |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: SCHOPPE, ZIMMERMANN, STOECKELER & ZINKLER, 82049 P |
|
8364 | No opposition during term of opposition |