DE68929390D1 - Bildwiedergabe- und Bildverarbeitungsgerät - Google Patents
Bildwiedergabe- und BildverarbeitungsgerätInfo
- Publication number
- DE68929390D1 DE68929390D1 DE68929390T DE68929390T DE68929390D1 DE 68929390 D1 DE68929390 D1 DE 68929390D1 DE 68929390 T DE68929390 T DE 68929390T DE 68929390 T DE68929390 T DE 68929390T DE 68929390 D1 DE68929390 D1 DE 68929390D1
- Authority
- DE
- Germany
- Prior art keywords
- processing device
- image display
- image
- display
- processing
- 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
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
- H04N1/56—Processing of colour picture signals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/403—Edge-driven scaling; Edge-based scaling
-
- 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
- H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone
-
- 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
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15154188 | 1988-06-20 | ||
JP21694888 | 1988-08-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68929390D1 true DE68929390D1 (de) | 2002-05-16 |
DE68929390T2 DE68929390T2 (de) | 2002-10-02 |
Family
ID=26480758
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68929390T Expired - Fee Related DE68929390T2 (de) | 1988-06-20 | 1989-06-20 | Bildwiedergabe- und Bildverarbeitungsgerät |
DE68928928T Expired - Fee Related DE68928928T2 (de) | 1988-06-20 | 1989-06-20 | Farbbildverarbeitungsverfahren |
DE68929089T Expired - Lifetime DE68929089D1 (de) | 1988-06-20 | 1989-06-20 | Bilderzeugungs- und Verarbeitungsgerät |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68928928T Expired - Fee Related DE68928928T2 (de) | 1988-06-20 | 1989-06-20 | Farbbildverarbeitungsverfahren |
DE68929089T Expired - Lifetime DE68929089D1 (de) | 1988-06-20 | 1989-06-20 | Bilderzeugungs- und Verarbeitungsgerät |
Country Status (4)
Country | Link |
---|---|
US (2) | US5031034A (de) |
EP (3) | EP0348145B1 (de) |
DE (3) | DE68929390T2 (de) |
ES (1) | ES2126625T3 (de) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5227873A (en) * | 1988-02-24 | 1993-07-13 | Mitsubishi Denki Kabushiki Kaisha | Signal processing device for video printer |
US5031034A (en) * | 1988-06-20 | 1991-07-09 | Canon Kabushiki Kaisha | Image forming and processing apparatus with identification of character portions of images |
US5398123A (en) * | 1988-08-31 | 1995-03-14 | Canon Kabushiki Kaisha | Image processing method and apparatus capable of automatic color masking |
JP3048158B2 (ja) * | 1988-10-04 | 2000-06-05 | キヤノン株式会社 | カラー画像処理装置 |
JP3267289B2 (ja) * | 1989-05-10 | 2002-03-18 | キヤノン株式会社 | カラー画像処理方法 |
US5119185A (en) * | 1989-05-10 | 1992-06-02 | Canon Kabushiki Kaisha | Image processing apparatus including a minimum value signal detector unit |
US5251023A (en) * | 1989-08-02 | 1993-10-05 | Canon Kabushiki Kaisha | Image processing method including means for judging a chromatic portion of an image |
JP3015045B2 (ja) * | 1989-08-02 | 2000-02-28 | キヤノン株式会社 | カラー複写装置及びカラー画像形成装置 |
US6181819B1 (en) * | 1989-08-02 | 2001-01-30 | Canon Kabushiki Kaisha | Image processing apparatus including means for judging a chromatic portion of an image |
JP3099354B2 (ja) * | 1989-12-29 | 2000-10-16 | 松下電器産業株式会社 | 画像処理装置及びこの装置を用いたディジタルカラー複写機 |
JP3176052B2 (ja) * | 1990-04-27 | 2001-06-11 | キヤノン株式会社 | 画像処理装置 |
US5381248A (en) * | 1990-05-04 | 1995-01-10 | Canon Kabushiki Kaisha | Image processing apparatus |
JP3184512B2 (ja) * | 1990-06-20 | 2001-07-09 | キャノン株式会社 | 画像処理装置、及び画像処理方法 |
DE69122668T2 (de) * | 1990-06-20 | 1997-03-13 | Canon Kk | Verfahren und Vorrichtung zur Bildverarbeitung |
JPH04219067A (ja) * | 1990-12-19 | 1992-08-10 | Canon Inc | 画像処理方法 |
JP2978325B2 (ja) * | 1992-03-31 | 1999-11-15 | キヤノン株式会社 | 画像処理方法及びそれを実現するプリンタインタフェース |
JP3472312B2 (ja) * | 1992-04-10 | 2003-12-02 | 富士ゼロックス株式会社 | カラー画像処理方法および装置 |
JPH0630263A (ja) * | 1992-07-13 | 1994-02-04 | Mita Ind Co Ltd | カラー画像処理回路 |
US5428377A (en) * | 1992-08-11 | 1995-06-27 | Xerox Corporation | Color spatial filtering for thermal ink jet printers |
US5341226A (en) * | 1993-04-22 | 1994-08-23 | Xerox Corporation | Automatic image segmentation for color documents |
JP3542377B2 (ja) * | 1993-06-04 | 2004-07-14 | キヤノン株式会社 | 画像形成装置及びその方法 |
JP3161172B2 (ja) * | 1993-08-06 | 2001-04-25 | ミノルタ株式会社 | 符号化装置 |
JPH0787346A (ja) * | 1993-09-10 | 1995-03-31 | Fuji Xerox Co Ltd | カラー画像処理方法および装置 |
US5596352A (en) * | 1993-09-23 | 1997-01-21 | Apple Computer, Inc. | Printing apparatus and method for printing color boundary regions having reduced color bleed |
US5933577A (en) * | 1993-10-04 | 1999-08-03 | Fuji Xerox Co., Ltd. | Method and apparatus for processing color images |
US6515769B1 (en) | 1993-10-29 | 2003-02-04 | Canon Kabushiki Kaisha | Image forming apparatus and method |
US6744921B1 (en) | 1993-12-29 | 2004-06-01 | Canon Kabushiki Kaisha | Image processing apparatus and method that determines the thickness of characters and lines |
JP3599367B2 (ja) * | 1993-12-29 | 2004-12-08 | キヤノン株式会社 | 画像処理装置およびその方法 |
US5553199A (en) * | 1994-05-03 | 1996-09-03 | Eastman Kodak Company | Method and apparatus for calibrating a four color printer |
DE69528324T2 (de) * | 1994-07-29 | 2003-05-22 | Canon K.K., Tokio/Tokyo | Bildverarbeitungsvorrichtung mit Bildinhaltsdiskriminierung |
JP3175498B2 (ja) * | 1994-10-14 | 2001-06-11 | セイコーエプソン株式会社 | インクジェット式カラー印刷のための黒色領域識別方式 |
US5712924A (en) * | 1994-11-07 | 1998-01-27 | Mita Industrial Co., Ltd. | Image processing apparatus |
IL112561A0 (en) * | 1995-02-06 | 1995-05-26 | Indigo Nv | High resolution printing |
DE69526792T2 (de) * | 1995-09-29 | 2002-12-05 | Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto | Bildverarbeitungsgerät und -verfahren |
US6275302B1 (en) * | 1995-12-27 | 2001-08-14 | Xerox Corporation | Color printing yielding a background dependent neutral gray image (i.e. intelligent gray) |
US6259536B1 (en) * | 1995-12-27 | 2001-07-10 | Xerox Corporation | Color printing yielding a background dependent black image (i.e. intelligent black) |
JP3658093B2 (ja) | 1996-07-23 | 2005-06-08 | キヤノン株式会社 | 画像形成装置及びその制御方法 |
EP0829818B1 (de) * | 1996-08-29 | 2003-06-25 | Canon Kabushiki Kaisha | Bildverarbeitungsgerät und -verfahren |
US5987169A (en) * | 1997-08-27 | 1999-11-16 | Sharp Laboratories Of America, Inc. | Method for improving chromatic text resolution in images with reduced chromatic bandwidth |
JP3862374B2 (ja) | 1997-09-04 | 2006-12-27 | キヤノン株式会社 | 画像処理装置及び方法 |
US6480624B1 (en) * | 1997-09-30 | 2002-11-12 | Minolta Co., Ltd. | Color discrimination apparatus and method |
DE19754488A1 (de) * | 1997-12-09 | 1999-06-10 | Thomas Dr Wagner | Vorrichtung und Verfahren zum inhaltsabhängigen Scannen |
US6178011B1 (en) * | 1998-03-24 | 2001-01-23 | Hewlett-Packard Company | Adaptive image resolution enhancement technology |
US7339699B1 (en) * | 1999-02-03 | 2008-03-04 | Minolta Co., Ltd. | Image processing apparatus |
US6771385B1 (en) * | 1999-03-03 | 2004-08-03 | Konica Corporation | Method of using a server connected with a network and a server system |
US7054029B1 (en) * | 1999-03-09 | 2006-05-30 | Canon Kabushiki Kaisha | Image processing apparatus and method, and storage medium |
US20050210179A1 (en) * | 2002-12-02 | 2005-09-22 | Walmsley Simon R | Integrated circuit having random clock or random delay |
US7740347B2 (en) * | 2002-12-02 | 2010-06-22 | Silverbrook Research Pty Ltd | Ink usage tracking in a cartridge for a mobile device |
US20040174570A1 (en) * | 2002-12-02 | 2004-09-09 | Plunkett Richard Thomas | Variable size dither matrix usage |
US7707621B2 (en) | 2002-12-02 | 2010-04-27 | Silverbrook Research Pty Ltd | Creation and usage of mutually exclusive messages |
US7263223B2 (en) | 2003-05-05 | 2007-08-28 | Hewlett-Packard Development Company, L.P. | Image manipulation according to pixel type |
US20060092439A1 (en) * | 2004-11-02 | 2006-05-04 | Kabushiki Kaisha Toshiba | Printer controller, image forming apparatus, image forming program |
JP5206276B2 (ja) * | 2008-02-01 | 2013-06-12 | ソニー株式会社 | 階調変換装置、階調変換方法、及び、プログラム |
KR20130057310A (ko) * | 2011-11-23 | 2013-05-31 | 삼성전자주식회사 | 화상독취장치 및 화상독취방법 |
CN103903588B (zh) * | 2014-03-21 | 2017-02-08 | 京东方科技集团股份有限公司 | 一种显示方法和显示*** |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57208422A (en) * | 1981-06-18 | 1982-12-21 | Fuji Photo Film Co Ltd | Hue judging device |
JPS6038973A (ja) * | 1983-08-11 | 1985-02-28 | Dainippon Screen Mfg Co Ltd | 境界画素の処理方法 |
US4613931A (en) | 1984-05-24 | 1986-09-23 | 501 Olympus Corporation | Portable fiberoptic light source for use in hazardous locations |
JP2677283B2 (ja) * | 1984-06-14 | 1997-11-17 | キヤノン株式会社 | カラー画像処理装置 |
JPS6110360A (ja) * | 1984-06-26 | 1986-01-17 | Canon Inc | 画像処理装置 |
JPH07108016B2 (ja) * | 1984-11-19 | 1995-11-15 | キヤノン株式会社 | カラー画像読み取り装置 |
JP2537172B2 (ja) * | 1984-12-27 | 1996-09-25 | 株式会社東芝 | カラ−画像入力装置 |
GB2170373B (en) * | 1984-12-28 | 1989-03-15 | Canon Kk | Image processing apparatus |
EP0210467B1 (de) * | 1985-07-05 | 1991-06-05 | Mita Industrial Co., Ltd. | Bereichanzeigevorrichtung |
US4800442A (en) * | 1985-08-15 | 1989-01-24 | Canon Kabushiki Kaisha | Apparatus for generating an image from a digital video signal |
EP0213891B1 (de) * | 1985-08-20 | 1993-10-27 | Canon Kabushiki Kaisha | Bildverarbeitungsgerät |
EP0216536B1 (de) * | 1985-08-29 | 1992-11-11 | Canon Kabushiki Kaisha | Bildverarbeitungsvorrichtung |
US4879595A (en) * | 1985-10-22 | 1989-11-07 | Konishiroku Photo Industry Co., Ltd. | Technique for reproducing an image read from a color original |
DE3689930T2 (de) * | 1985-11-18 | 1994-11-17 | Canon Kk | Elektronisches Abbildungsgerät. |
JPS62137974A (ja) * | 1985-12-12 | 1987-06-20 | Ricoh Co Ltd | 画像処理方式 |
DE3629195A1 (de) * | 1986-01-14 | 1987-07-23 | Canon Kk | Farbbildverarbeitungsgeraet |
JPS62200976A (ja) * | 1986-02-28 | 1987-09-04 | Dainippon Screen Mfg Co Ltd | 高分解能2値化画像出力装置 |
DE3751614T2 (de) * | 1986-06-30 | 1996-03-28 | Konishiroku Photo Ind | Bildverarbeitungsverfahren und Vorrichtung dazu. |
DE3629396C2 (de) * | 1986-08-29 | 1993-12-23 | Agfa Gevaert Ag | Verfahren zur elektronischen Bildverarbeitung |
EP0270090B1 (de) * | 1986-12-03 | 1993-09-08 | Konica Corporation | Farbbildverarbeitungsgerät |
US4878125A (en) * | 1987-01-08 | 1989-10-31 | Canon Kabushiki Kaisha | Method and apparatus for image processing with fed-back error correction |
US4887150A (en) * | 1987-03-16 | 1989-12-12 | Mitsubishi Denki Kabushiki Kaisha | Device for converting video image signals to printing data signals |
US4989079A (en) * | 1987-10-23 | 1991-01-29 | Ricoh Company, Ltd. | Color correction device and method having a hue area judgement unit |
US5001767A (en) * | 1987-11-30 | 1991-03-19 | Kabushiki Kaisha Toshiba | Image processing device |
US4958218A (en) * | 1987-12-16 | 1990-09-18 | Canon Kabushiki Kaisha | Image processing method and apparatus with dot-processing |
US5014124A (en) * | 1988-02-25 | 1991-05-07 | Ricoh Company, Ltd. | Digital image processing apparatus |
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 |
JP2696333B2 (ja) * | 1988-03-24 | 1998-01-14 | キヤノン株式会社 | カラー画像処理装置 |
US5031034A (en) * | 1988-06-20 | 1991-07-09 | Canon Kabushiki Kaisha | Image forming and processing apparatus with identification of character portions of images |
JP2756280B2 (ja) * | 1988-11-14 | 1998-05-25 | キヤノン株式会社 | カラー画像処理装置 |
JP2915048B2 (ja) * | 1989-04-04 | 1999-07-05 | 株式会社リコー | カラー画像処理装置 |
US5251023A (en) * | 1989-08-02 | 1993-10-05 | Canon Kabushiki Kaisha | Image processing method including means for judging a chromatic portion of an image |
US5189523A (en) * | 1989-11-27 | 1993-02-23 | Canon Kabushiki Kaisha | Image processing apparatus |
-
1989
- 1989-06-19 US US07/367,673 patent/US5031034A/en not_active Expired - Lifetime
- 1989-06-20 DE DE68929390T patent/DE68929390T2/de not_active Expired - Fee Related
- 1989-06-20 DE DE68928928T patent/DE68928928T2/de not_active Expired - Fee Related
- 1989-06-20 ES ES93202383T patent/ES2126625T3/es not_active Expired - Lifetime
- 1989-06-20 DE DE68929089T patent/DE68929089D1/de not_active Expired - Lifetime
- 1989-06-20 EP EP89306214A patent/EP0348145B1/de not_active Expired - Lifetime
- 1989-06-20 EP EP93202383A patent/EP0574095B1/de not_active Expired - Lifetime
- 1989-06-20 EP EP96203313A patent/EP0765075B1/de not_active Expired - Lifetime
-
1994
- 1994-08-02 US US08/284,290 patent/US5483361A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5483361A (en) | 1996-01-09 |
DE68929390T2 (de) | 2002-10-02 |
EP0765075A3 (de) | 1997-06-04 |
EP0574095A1 (de) | 1993-12-15 |
DE68928928T2 (de) | 1999-07-29 |
EP0348145B1 (de) | 1999-10-20 |
ES2126625T3 (es) | 1999-04-01 |
EP0765075B1 (de) | 2002-04-10 |
US5031034A (en) | 1991-07-09 |
EP0574095B1 (de) | 1999-02-03 |
DE68928928D1 (de) | 1999-03-18 |
DE68929089D1 (de) | 1999-11-25 |
EP0348145A1 (de) | 1989-12-27 |
EP0765075A2 (de) | 1997-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |