DE69229599D1 - Verbessertes fehler-diffusionssystem - Google Patents
Verbessertes fehler-diffusionssystemInfo
- Publication number
- DE69229599D1 DE69229599D1 DE69229599T DE69229599T DE69229599D1 DE 69229599 D1 DE69229599 D1 DE 69229599D1 DE 69229599 T DE69229599 T DE 69229599T DE 69229599 T DE69229599 T DE 69229599T DE 69229599 D1 DE69229599 D1 DE 69229599D1
- Authority
- DE
- Germany
- Prior art keywords
- error diffusion
- diffusion system
- improved error
- improved
- error
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/722,592 US5130823A (en) | 1991-06-27 | 1991-06-27 | Error diffusion system |
PCT/US1992/003729 WO1993000656A1 (en) | 1991-06-27 | 1992-05-05 | Improved error diffusion system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69229599D1 true DE69229599D1 (de) | 1999-08-19 |
Family
ID=24902513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69229599T Expired - Lifetime DE69229599D1 (de) | 1991-06-27 | 1992-05-05 | Verbessertes fehler-diffusionssystem |
Country Status (7)
Country | Link |
---|---|
US (1) | US5130823A (de) |
EP (1) | EP0591274B1 (de) |
JP (1) | JP3571716B2 (de) |
AU (1) | AU1993292A (de) |
CA (1) | CA2112469C (de) |
DE (1) | DE69229599D1 (de) |
WO (1) | WO1993000656A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2500834B2 (ja) * | 1991-09-05 | 1996-05-29 | ゼロックス コーポレイション | 画素値の量子化方法及び装置 |
JP3030981B2 (ja) * | 1991-09-26 | 2000-04-10 | 富士ゼロックス株式会社 | 中間調画像再現方法及びその装置 |
ATE150245T1 (de) | 1992-05-22 | 1997-03-15 | Agfa Gevaert Nv | Verbessertes verfahren zur frequenzmodulierten halbtonrasterung |
US5337160A (en) * | 1992-07-01 | 1994-08-09 | Hewlett-Packard | Error diffusion processor and method for converting a grey scale pixel image to a binary value pixel image |
US5325211A (en) * | 1993-01-04 | 1994-06-28 | Xerox Corporation | Error diffusion with output and input based feedback |
US5521989A (en) * | 1993-08-05 | 1996-05-28 | Xerox Corporation | Balanced error diffusion system |
US5515456A (en) * | 1993-10-26 | 1996-05-07 | Visual Edge Technology, Inc. | Process for providing digital halftone image with random error diffusion, color correction and enlargement |
US5588094A (en) * | 1994-01-03 | 1996-12-24 | Tektronix, Inc. | Post-processing bit-map decimation compensation method for printing high quality images |
US5563985A (en) * | 1994-01-05 | 1996-10-08 | Xerox Corporation | Image processing method to reduce marking material coverage in printing processes |
JP3603906B2 (ja) * | 1994-04-15 | 2004-12-22 | 富士写真フイルム株式会社 | 画像信号2値化処理装置および方法 |
US5467201A (en) * | 1994-05-31 | 1995-11-14 | Xerox Corporation | Iterative error diffusion system |
US5534945A (en) * | 1994-12-16 | 1996-07-09 | International Business Machines Corporation | System and method for providing black diffusion in video image processing |
US5587811A (en) * | 1995-04-28 | 1996-12-24 | Dataproducts Corporation | Halftone screen using spot function to rank pixels following one or more design rules |
US5821915A (en) * | 1995-10-11 | 1998-10-13 | Hewlett-Packard Company | Method and apparatus for removing artifacts from scanned halftone images |
US5737453A (en) * | 1996-05-17 | 1998-04-07 | Canon Information Systems, Inc. | Enhanced error-diffusion method for color or black-and-white reproduction |
US5835687A (en) * | 1996-10-21 | 1998-11-10 | Vidar Systems Corporation | Methods and apparatus for providing digital halftone images with random error diffusion dithering |
JPH10271331A (ja) * | 1997-03-26 | 1998-10-09 | Oki Data:Kk | 画像処理方法及びその装置 |
US6081340A (en) * | 1997-03-31 | 2000-06-27 | Xerox Corporation | Image processing method to reduce marking material coverage with non-linear specifications |
US6137519A (en) | 1997-06-12 | 2000-10-24 | 3M Innovative Properties Company | System and method for reducing striations in electrostatic printing |
US6185005B1 (en) | 1998-04-30 | 2001-02-06 | Hitachi Koki Imaging Solutions, Inc. | Half tone image enhancement for printers |
US6671835B1 (en) | 2000-05-15 | 2003-12-30 | International Business Machines Corporation | Error detection in digital scanning device having parallel data streams |
US7551323B2 (en) * | 2003-04-16 | 2009-06-23 | Lexmark International, Inc. | Systems and methods for error diffusion |
JP2005012726A (ja) * | 2003-06-23 | 2005-01-13 | Konica Minolta Business Technologies Inc | 画像処理装置および画像処理方法 |
US6977663B2 (en) * | 2004-03-29 | 2005-12-20 | Sharp Laboratories Of America, Inc. | Color error diffusion with color bleed control |
US7639887B2 (en) * | 2004-12-14 | 2009-12-29 | Intel Corporation | Error diffusion-based image processing |
CN110455219A (zh) * | 2019-07-05 | 2019-11-15 | 苏州江奥光电科技有限公司 | 一种基于误差扩散抖动算法的三维成像方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205341A (en) * | 1978-01-24 | 1980-05-27 | Nippon Telegraph And Telephone Public Corporation | Picture signal coding apparatus |
US4196454A (en) * | 1978-12-04 | 1980-04-01 | Xerox Corporation | Tone error control for relatively large image areas |
DE3067060D1 (en) * | 1979-12-20 | 1984-04-19 | Cambridge Consultants | Apparatus and method for generating a dispersed dot half tone picture from a continuous tone picture |
US4419696A (en) * | 1980-12-10 | 1983-12-06 | Fuji Xerox Co., Ltd. | Elongate thin-film reader |
US4449150A (en) * | 1981-01-19 | 1984-05-15 | Ricoh Company, Ltd. | Method of processing medium tone picture |
US4466021A (en) * | 1982-09-21 | 1984-08-14 | Terminal Data Corporation | Electronic camera |
US4654721A (en) * | 1985-04-12 | 1987-03-31 | International Business Machines Corporation | System for reproducing multi-level digital images on a bi-level printer of fixed dot size |
US4890167A (en) * | 1986-10-17 | 1989-12-26 | Matsushita Electric Industrial Co., Ltd. | Apparatus for processing image signal |
US5008950A (en) * | 1987-01-22 | 1991-04-16 | Canon Kabushiki Kaisha | Image processing method and apparatus for error-dispersion digitization without moire or spurious stripe formation |
US4975786A (en) * | 1987-12-28 | 1990-12-04 | Canon Kabushiki Kaisha | Image processing method and apparatus with error diffusion capability |
JP2683014B2 (ja) * | 1988-03-08 | 1997-11-26 | キヤノン株式会社 | 画像処理方法及び装置 |
US4962542A (en) * | 1988-08-29 | 1990-10-09 | Eastman Kodak Company | Method for reducing artifacts in error diffused images |
US4891714A (en) * | 1989-04-24 | 1990-01-02 | Eastman Kodak Company | Apparatus for non-linear error diffusion thresholding of multilevel video images |
-
1991
- 1991-06-27 US US07/722,592 patent/US5130823A/en not_active Expired - Lifetime
-
1992
- 1992-05-05 DE DE69229599T patent/DE69229599D1/de not_active Expired - Lifetime
- 1992-05-05 JP JP50145093A patent/JP3571716B2/ja not_active Expired - Fee Related
- 1992-05-05 EP EP92912198A patent/EP0591274B1/de not_active Expired - Lifetime
- 1992-05-05 CA CA002112469A patent/CA2112469C/en not_active Expired - Fee Related
- 1992-05-05 WO PCT/US1992/003729 patent/WO1993000656A1/en active IP Right Grant
- 1992-05-05 AU AU19932/92A patent/AU1993292A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU1993292A (en) | 1993-01-25 |
CA2112469A1 (en) | 1993-01-07 |
US5130823A (en) | 1992-07-14 |
EP0591274B1 (de) | 1999-07-14 |
EP0591274A1 (de) | 1994-04-13 |
CA2112469C (en) | 2001-02-27 |
JPH07501428A (ja) | 1995-02-09 |
WO1993000656A1 (en) | 1993-01-07 |
JP3571716B2 (ja) | 2004-09-29 |
EP0591274A4 (de) | 1994-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |