DE69522277T2 - Verfahren und Gerät zur Verringerung von Störungen in durch Fehlerdiffusion halbtongerasterten Bildern - Google Patents
Verfahren und Gerät zur Verringerung von Störungen in durch Fehlerdiffusion halbtongerasterten BildernInfo
- Publication number
- DE69522277T2 DE69522277T2 DE69522277T DE69522277T DE69522277T2 DE 69522277 T2 DE69522277 T2 DE 69522277T2 DE 69522277 T DE69522277 T DE 69522277T DE 69522277 T DE69522277 T DE 69522277T DE 69522277 T2 DE69522277 T2 DE 69522277T2
- Authority
- DE
- Germany
- Prior art keywords
- error diffusion
- reducing interference
- halftoned
- images
- images halftoned
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color, Gradation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/269,708 US5692109A (en) | 1994-07-01 | 1994-07-01 | Method and apparatus for minimizing artifacts in images produced by error diffusion halftoning |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69522277D1 DE69522277D1 (de) | 2001-09-27 |
DE69522277T2 true DE69522277T2 (de) | 2002-05-08 |
Family
ID=23028364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69522277T Expired - Lifetime DE69522277T2 (de) | 1994-07-01 | 1995-06-30 | Verfahren und Gerät zur Verringerung von Störungen in durch Fehlerdiffusion halbtongerasterten Bildern |
Country Status (4)
Country | Link |
---|---|
US (1) | US5692109A (de) |
EP (1) | EP0690612B1 (de) |
JP (1) | JP3304029B2 (de) |
DE (1) | DE69522277T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPN741396A0 (en) * | 1996-01-05 | 1996-01-25 | Canon Aptex Inc | Geometrically reducing mask error diffusion |
US6496603B1 (en) | 1999-02-08 | 2002-12-17 | Sharp Laboratories Of America, Incorporated | Enhanced error diffusion by using directional guided line thresholding |
US6552823B1 (en) | 1999-06-01 | 2003-04-22 | Sharp Laboratories Of America, Inc. | Enhanced error diffusion by using peak position profiles |
US6753978B1 (en) | 1999-09-22 | 2004-06-22 | Sharp Laboratories Of America, Inc. | Higher order error diffusion of digital halftoning |
US6671068B1 (en) | 1999-09-30 | 2003-12-30 | Sharp Laboratories Of America, Inc. | Adaptive error diffusion with improved edge and sharpness perception |
US6614556B1 (en) * | 1999-11-22 | 2003-09-02 | Sindoricoh Co., Ltd. | Apparatus for quantizing a digital image by using an error diffusion coefficient and threshold modulation in zigzag quantization |
US6608700B1 (en) | 1999-11-24 | 2003-08-19 | Xerox Corporation | Removal of error diffusion artifacts with alternating distribution weights |
US6707576B1 (en) | 1999-12-02 | 2004-03-16 | Sharp Laboratories Of America, Inc. | Noise modulation error diffusion of digital halftoning |
US6763121B1 (en) * | 2000-06-14 | 2004-07-13 | Hewlett-Packard Development Company, L.P. | Halftone watermarking method and system |
US7660429B2 (en) * | 2000-06-14 | 2010-02-09 | Hewlett-Packard Development Company, L.P. | Error diffusion halftone watermarking |
US7417771B2 (en) * | 2001-06-26 | 2008-08-26 | Sharp Laboratories Of America, Inc. | Error diffusion halftoning system |
US7061645B2 (en) * | 2001-09-27 | 2006-06-13 | Sharp Laboratories Of America, Inc. | Non-segmentation, individual pixel-by-pixel-based image rendering system |
JP3620499B2 (ja) | 2001-12-12 | 2005-02-16 | セイコーエプソン株式会社 | 多値画像変換装置及び多値画像変換プログラム、並びに多値画像変換方法 |
US7480071B2 (en) * | 2003-04-14 | 2009-01-20 | Lexmark International, Inc | Maximizing performance in a hardware image scaling module |
US7551323B2 (en) * | 2003-04-16 | 2009-06-23 | Lexmark International, Inc. | Systems and methods for error diffusion |
JP3979372B2 (ja) * | 2003-09-26 | 2007-09-19 | ブラザー工業株式会社 | 画像処理装置、画像処理方法及び画像処理プログラム |
US7559660B2 (en) | 2004-11-24 | 2009-07-14 | Pitney Bowes Inc. | Restricted access display system |
US7486834B2 (en) * | 2005-01-18 | 2009-02-03 | Lexmark International, Inc. | System and method for dynamically shifting error diffusion data |
JP2007129695A (ja) * | 2005-10-03 | 2007-05-24 | Seiko Epson Corp | 印刷装置、印刷プログラム、印刷方法、および画像処理装置、画像処理プログラム、画像処理方法、並びに前記プログラムを記録した記録媒体、表示装置 |
CN100393098C (zh) * | 2006-08-22 | 2008-06-04 | 北京大学 | 误差扩散图像挂网技术中的图像扫描处理方法及系统 |
US8320694B2 (en) * | 2009-03-27 | 2012-11-27 | Sharp Laboratories Of America, Inc. | Surround error diffusion |
US8274705B2 (en) * | 2009-03-27 | 2012-09-25 | Sharp Laboratories Of America, Inc. | Multi-level surround error diffusion |
DE112019004537T5 (de) | 2018-09-11 | 2021-09-23 | Sony Corporation | Zeichenverfahren, wärmeempfindliches aufzeichnungsmedium und zeichenvorrichtung |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4533928A (en) * | 1982-04-30 | 1985-08-06 | Canon Kabushiki Kaisha | Color image processing apparatus |
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 |
DE3870561D1 (de) * | 1987-03-17 | 1992-06-04 | Digital Equipment Corp | System zur erzeugung von zitterbildern aus tonkontinuierlichen bilddaten. |
US4955065A (en) * | 1987-03-17 | 1990-09-04 | Digital Equipment Corporation | System for producing dithered images from continuous-tone image data |
JPH01198870A (ja) * | 1987-10-08 | 1989-08-10 | Ricoh Co Ltd | デジタルカラー画像処理装置 |
US5107346A (en) * | 1988-10-14 | 1992-04-21 | Bowers Imaging Technologies, Inc. | Process for providing digital halftone images with random error diffusion |
JPH03151762A (ja) * | 1989-11-09 | 1991-06-27 | Canon Inc | 画像処理装置 |
JPH0437256A (ja) * | 1990-05-31 | 1992-02-07 | Sharp Corp | 画像処理装置 |
JPH0451773A (ja) * | 1990-06-20 | 1992-02-20 | Matsushita Graphic Commun Syst Inc | 画像処理装置 |
JPH04119763A (ja) * | 1990-09-11 | 1992-04-21 | Toshiba Corp | 画像処理装置 |
US5140432A (en) * | 1990-09-12 | 1992-08-18 | Hewlett-Packard Company | Method and system for printing in one or more color planes with improved control of error diffusion |
JP3031994B2 (ja) * | 1990-11-16 | 2000-04-10 | 株式会社東芝 | 画像処理装置 |
JP2871127B2 (ja) * | 1991-01-30 | 1999-03-17 | 三菱電機株式会社 | 画像処理装置及び方法 |
JPH05244419A (ja) * | 1991-11-25 | 1993-09-21 | Eastman Kodak Co | 2階調適応閾値を決定するシステムおよび方法 |
US5268774A (en) * | 1991-11-27 | 1993-12-07 | Xerox Corporation | Halftoning with enhanced dynamic range and edge enhanced error diffusion |
US5258854A (en) * | 1991-12-06 | 1993-11-02 | Xerox Corporation | Converting between write-white, write-black and neutral bitmaps |
JPH05268462A (ja) * | 1992-03-19 | 1993-10-15 | Mitsubishi Electric Corp | 画像処理装置 |
US5243444A (en) * | 1992-03-25 | 1993-09-07 | Xerox Corporation | Image processing system and method with improved reconstruction of continuous tone images from halftone images including those without a screen structure |
US5363213A (en) * | 1992-06-08 | 1994-11-08 | Xerox Corporation | Unquantized resolution conversion of bitmap images using error diffusion |
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 |
US5343309A (en) * | 1992-08-12 | 1994-08-30 | Xerox Corporation | Image processing system and method employing adaptive filtering to provide improved reconstruction of continuous tone images from halftone images including those without a screen structure |
US5313287A (en) * | 1993-04-30 | 1994-05-17 | Hewlett-Packard Company | Imposed weight matrix error diffusion halftoning of image data |
-
1994
- 1994-07-01 US US08/269,708 patent/US5692109A/en not_active Expired - Fee Related
-
1995
- 1995-06-22 JP JP15653595A patent/JP3304029B2/ja not_active Expired - Fee Related
- 1995-06-30 DE DE69522277T patent/DE69522277T2/de not_active Expired - Lifetime
- 1995-06-30 EP EP95304610A patent/EP0690612B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0690612B1 (de) | 2001-08-22 |
JPH0884253A (ja) | 1996-03-26 |
DE69522277D1 (de) | 2001-09-27 |
US5692109A (en) | 1997-11-25 |
EP0690612A3 (de) | 1997-06-18 |
JP3304029B2 (ja) | 2002-07-22 |
EP0690612A2 (de) | 1996-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |