DE3852673D1 - Bildverarbeitungsvorrichtung. - Google Patents
Bildverarbeitungsvorrichtung.Info
- Publication number
- DE3852673D1 DE3852673D1 DE3852673T DE3852673T DE3852673D1 DE 3852673 D1 DE3852673 D1 DE 3852673D1 DE 3852673 T DE3852673 T DE 3852673T DE 3852673 T DE3852673 T DE 3852673T DE 3852673 D1 DE3852673 D1 DE 3852673D1
- Authority
- DE
- Germany
- Prior art keywords
- image processing
- processing device
- image
- 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 - 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
- H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
- H04N1/1911—Simultaneously or substantially simultaneously scanning picture elements on more than one main scanning line, e.g. scanning in swaths
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/0417—Conversion of standards
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
- H04N1/126—Arrangements for the main scanning
- H04N1/128—Arrangements for the main scanning using a scanning head arranged for linear reciprocating motion
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0414—Scanning an image in a series of overlapping zones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0426—Scanning an image in a series of contiguous zones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62146316A JPH0648850B2 (ja) | 1987-06-11 | 1987-06-11 | 画像処理方法 |
JP62146312A JPS63309456A (ja) | 1987-06-11 | 1987-06-11 | 画像処理方法 |
JP62146317A JPH0691607B2 (ja) | 1987-06-11 | 1987-06-11 | 画像処理方法 |
JP62146315A JPS63310270A (ja) | 1987-06-11 | 1987-06-11 | 画像処理装置 |
JP62146311A JP2547771B2 (ja) | 1987-06-11 | 1987-06-11 | 画像処理方法 |
JP62146313A JPS63309457A (ja) | 1987-06-11 | 1987-06-11 | 画像処理方法 |
JP62146314A JPH0691606B2 (ja) | 1987-06-11 | 1987-06-11 | 画像処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3852673D1 true DE3852673D1 (de) | 1995-02-16 |
DE3852673T2 DE3852673T2 (de) | 1995-08-17 |
Family
ID=27566104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3852673T Expired - Lifetime DE3852673T2 (de) | 1987-06-11 | 1988-06-09 | Bildverarbeitungsvorrichtung. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4958236A (de) |
EP (1) | EP0295105B1 (de) |
DE (1) | DE3852673T2 (de) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5162925A (en) * | 1988-11-17 | 1992-11-10 | Canon Kabushiki Kaisha | Color image processor capable of performing masking using a reduced number of bits |
US5051844A (en) * | 1989-01-30 | 1991-09-24 | Eastman Kodak Company | Digital halftoning with error diffusion |
US5121446A (en) * | 1989-02-10 | 1992-06-09 | Canon Kabushiki Kaisha | Image processing apparatus capable of obtaining multi-level data |
US5195182A (en) * | 1989-04-03 | 1993-03-16 | Eastman Kodak Company | Frame buffer architecture for storing sequential data in alternating memory banks |
DE69033372T2 (de) * | 1989-04-27 | 2000-05-11 | Canon K.K., Tokio/Tokyo | Bildverarbeitungsvorrichtung |
US5113252A (en) * | 1989-05-10 | 1992-05-12 | Canon Kabushiki Kaisha | Image processing apparatus including means for performing electrical thinning and fattening processing |
US5119185A (en) * | 1989-05-10 | 1992-06-02 | Canon Kabushiki Kaisha | Image processing apparatus including a minimum value signal detector unit |
EP0428370B1 (de) * | 1989-11-14 | 1997-08-20 | Canon Kabushiki Kaisha | Aufzeichnungsgerät |
US5381248A (en) * | 1990-05-04 | 1995-01-10 | Canon Kabushiki Kaisha | Image processing apparatus |
JPH0486930A (ja) * | 1990-07-31 | 1992-03-19 | Canon Inc | アドレス発生回路 |
EP0480437B1 (de) * | 1990-10-12 | 1997-01-02 | Fuji Photo Film Co., Ltd. | Abtast- und Beleuchtungsverfahren mit mehreren optischen Strahlen und Vorrichtung dazu |
JP3078007B2 (ja) * | 1990-10-17 | 2000-08-21 | キヤノン株式会社 | 画像処理装置 |
WO1992010058A2 (en) * | 1990-11-21 | 1992-06-11 | Polaroid Corporation | Printing apparatus and method |
DE69216256T2 (de) * | 1991-01-25 | 1997-05-15 | Canon Kk | Bildverarbeitungsgerät |
JP3087767B2 (ja) * | 1991-03-15 | 2000-09-11 | キヤノン株式会社 | 画像処理装置 |
JP3176123B2 (ja) * | 1991-06-07 | 2001-06-11 | キヤノン株式会社 | 記録装置および該装置の駆動データ形成方法 |
DE69229934T2 (de) * | 1991-06-07 | 2000-03-30 | Canon K.K., Tokio/Tokyo | Tintenstrahlaufzeichnungsgerät und -verfahren |
US5475800A (en) * | 1991-10-29 | 1995-12-12 | Hewlett-Packard Company | Color separation in color graphics printing with limited memory |
JP3201674B2 (ja) * | 1993-03-26 | 2001-08-27 | キヤノン株式会社 | インクジェットプリント方法およびインクジェットプリント装置 |
US5701135A (en) * | 1993-05-25 | 1997-12-23 | Canon Kabushiki Kaisha | Display control method and apparatus |
JPH0738767A (ja) * | 1993-07-19 | 1995-02-07 | Canon Inc | 画像2値化処理装置 |
JP3262414B2 (ja) * | 1993-07-19 | 2002-03-04 | キヤノン株式会社 | 画像処理装置及び画像処理方法 |
JP2732780B2 (ja) * | 1993-07-26 | 1998-03-30 | キヤノン株式会社 | 画像形成装置 |
JP3110924B2 (ja) * | 1993-09-30 | 2000-11-20 | キヤノン株式会社 | 画像形成装置 |
US5590381A (en) * | 1994-06-30 | 1996-12-31 | Lucent Technologies Inc. | Method and apparatus for buffered video playback of video content distributed on a plurality of disks |
US5825940A (en) * | 1995-01-23 | 1998-10-20 | Canon Kabushiki Kaisha | Image processing method and apparatus for binary-coding multivalue image data |
JPH10105674A (ja) * | 1996-09-25 | 1998-04-24 | Dainippon Screen Mfg Co Ltd | 平面走査型画像入力装置および平面走査型画像入力方法 |
US6175424B1 (en) * | 1996-12-20 | 2001-01-16 | Canon Kabushiki Kaisha | Image processing apparatus and image processing method |
JPH10229501A (ja) * | 1997-02-14 | 1998-08-25 | Canon Inc | 画像処理装置及び方法 |
KR100222989B1 (ko) * | 1997-07-04 | 1999-10-01 | 윤종용 | 셔틀 방식의 독취 장치에서 독취된 이미지를 이진화하기 위한 이미지 처리 장치 및 방법 |
US6014227A (en) * | 1998-04-30 | 2000-01-11 | Hewlett-Packard Co. | Printer with progressive column error diffusion system and method of using same for improved printer throughput |
JP3829508B2 (ja) * | 1998-11-27 | 2006-10-04 | セイコーエプソン株式会社 | 画像処理装置、画像処理方法および印刷装置 |
GB2387817A (en) * | 2002-04-27 | 2003-10-29 | Hewlett Packard Co | Page wide array inkjet printer having halftone controller and multiple printheads, each printing different image strips. |
US7450270B2 (en) | 2004-01-16 | 2008-11-11 | Hewlett-Packard Development Company, L.P. | Image data processing methods, hard imaging devices, and articles of manufacture |
US7421464B2 (en) * | 2004-09-30 | 2008-09-02 | Motorola, Inc. | System and method for introducing dither for reducing spurs in digital-to-time converter direct digital synthesis |
US7787703B2 (en) * | 2005-05-11 | 2010-08-31 | Xerox Corporation | Method and system for extending binary image data to contone image data |
US7580569B2 (en) * | 2005-11-07 | 2009-08-25 | Xerox Corporation | Method and system for generating contone encoded binary print data streams |
US7773254B2 (en) * | 2005-11-10 | 2010-08-10 | Xerox Corporation | Method and system for improved copy quality in a multifunction reprographic system |
US7869093B2 (en) * | 2005-11-17 | 2011-01-11 | Xerox Corporation | Method and system for improved copy quality in a multifunction reprographic system |
JP4544141B2 (ja) * | 2005-11-18 | 2010-09-15 | セイコーエプソン株式会社 | 画像処理装置、プリンタドライバ、印刷システム、プログラム |
US7742658B2 (en) * | 2006-01-26 | 2010-06-22 | Xerox Corporation | System and method for boundary artifact elimination in parallel processing of large format images |
US7663782B2 (en) | 2006-01-26 | 2010-02-16 | Xerox Corporation | System and method for high addressable binary image generation using rank ordered error diffusion on pixels within a neighborhood |
US20080049238A1 (en) * | 2006-08-28 | 2008-02-28 | Xerox Corporation | Method and system for automatic window classification in a digital reprographic system |
US9460491B2 (en) * | 2008-08-25 | 2016-10-04 | Xerox Corporation | Method for binary to contone conversion with non-solid edge detection |
US20100188678A1 (en) | 2009-01-29 | 2010-07-29 | Canon Kabushiki Kaisha | Image processing apparatus, printing apparatus, and image processing method |
JP5436138B2 (ja) * | 2009-10-19 | 2014-03-05 | キヤノン株式会社 | 画像処理装置、画像処理方法およびプログラム |
JP7095545B2 (ja) * | 2018-10-15 | 2022-07-05 | セイコーエプソン株式会社 | 画像処理装置、画像処理方法、および印刷装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4692812A (en) * | 1985-03-26 | 1987-09-08 | Kabushiki Kaisha Toshiba | Picture image reader |
-
1988
- 1988-06-08 US US07/203,880 patent/US4958236A/en not_active Expired - Lifetime
- 1988-06-09 DE DE3852673T patent/DE3852673T2/de not_active Expired - Lifetime
- 1988-06-09 EP EP88305286A patent/EP0295105B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0295105A3 (en) | 1990-05-16 |
EP0295105B1 (de) | 1995-01-04 |
DE3852673T2 (de) | 1995-08-17 |
US4958236A (en) | 1990-09-18 |
EP0295105A2 (de) | 1988-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |