GB8508282D0 - Image reproduction - Google Patents

Image reproduction

Info

Publication number
GB8508282D0
GB8508282D0 GB858508282A GB8508282A GB8508282D0 GB 8508282 D0 GB8508282 D0 GB 8508282D0 GB 858508282 A GB858508282 A GB 858508282A GB 8508282 A GB8508282 A GB 8508282A GB 8508282 D0 GB8508282 D0 GB 8508282D0
Authority
GB
United Kingdom
Prior art keywords
image reproduction
reproduction
image
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.)
Withdrawn
Application number
GB858508282A
Other versions
GB2157119A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of GB8508282D0 publication Critical patent/GB8508282D0/en
Publication of GB2157119A publication Critical patent/GB2157119A/en
Withdrawn legal-status Critical Current

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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • H04N1/3935—Enlarging or reducing with modification of image resolution, i.e. determining the values of picture elements at new relative positions
    • 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
    • H04N1/4058—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 with details for producing a halftone screen at an oblique angle
GB08508282A 1984-04-06 1985-03-29 Halftone dot generation in image reproduction Withdrawn GB2157119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59069637A JPS60213170A (en) 1984-04-06 1984-04-06 Generating method of dot pattern in picture scanning recorder

Publications (2)

Publication Number Publication Date
GB8508282D0 true GB8508282D0 (en) 1985-05-09
GB2157119A GB2157119A (en) 1985-10-16

Family

ID=13408574

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08508282A Withdrawn GB2157119A (en) 1984-04-06 1985-03-29 Halftone dot generation in image reproduction

Country Status (3)

Country Link
JP (1) JPS60213170A (en)
DE (1) DE3511977A1 (en)
GB (1) GB2157119A (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0657049B2 (en) * 1984-12-07 1994-07-27 大日本スクリ−ン製造株式会社 Halftone dot formation method
JPH0614187B2 (en) * 1984-10-11 1994-02-23 株式会社デイ・エス・スキヤナ− Halftone film making device
JPH0626440B2 (en) * 1987-05-26 1994-04-06 大日本スクリ−ン製造株式会社 Halftone dot generator
US4984097A (en) * 1989-01-31 1991-01-08 Nynex Corporation Halftone reproduction with enhanced gray level reproducibility
DE69120590T2 (en) * 1990-04-25 1997-02-13 Bayer Ag Screening frequency multiplication process in an electronic screening process
US5079721A (en) * 1990-05-18 1992-01-07 Scitex Corporation Ltd. Apparatus for generating a screened reproduction of an image
US5150225A (en) * 1990-05-18 1992-09-22 Scitex Corporation Ltd. Apparatus for generating a screened reproduction of an image
JP2598723B2 (en) * 1990-06-28 1997-04-09 大日本スクリーン製造株式会社 Halftone image creation device
US5227895A (en) * 1990-08-03 1993-07-13 Scitex Corporation Ltd. Method and apparatus for image reproduction
US5264926A (en) * 1990-09-14 1993-11-23 Minnesota Mining And Manufacturing Company Perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5258832A (en) * 1990-09-14 1993-11-02 Minnesota Mining And Manufacturing Company Non-perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5323245A (en) * 1990-09-14 1994-06-21 Minnesota Mining And Manufacturing Company Perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5583660A (en) * 1990-09-14 1996-12-10 Minnesota Mining And Manufacturing Company Non-perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5253084A (en) * 1990-09-14 1993-10-12 Minnesota Mining And Manufacturing Company General kernel function for electronic halftone generation
DE69133044T2 (en) * 1991-02-08 2003-03-06 Adobe Systems Inc Dot size control method for digital halftone screening with multi-cell threshold matrix
US5299020A (en) * 1991-03-08 1994-03-29 Scitex Corporation Ltd. Method and apparatus for generating a screened reproduction of an image using stored dot portions
DE4108253C2 (en) * 1991-03-14 1995-04-27 Hell Ag Linotype Process and arrangement for producing screened color separations and printing forms
US5267054A (en) * 1991-06-26 1993-11-30 Sun Microsystems, Inc. Method and apparatus for the reduction of memory space required for a digital halftone system
NZ239389A (en) * 1991-08-13 1997-11-24 Megadot Systems Ltd Preparing half tone images: dots have inwardly curved edges
US5473733A (en) * 1992-03-25 1995-12-05 Scitex Corporation Ltd. Technique for generating image reproduction
US5526143A (en) * 1992-09-16 1996-06-11 Scitex Corporation Ltd. Apparatus and technique for generating a screened reproduction of an image
IL105343A (en) * 1993-04-08 1997-02-18 Scitex Corp Ltd Apparatus and technique for generating a screen reproduction of an image
US5742743A (en) * 1993-04-08 1998-04-21 Scitex Corporation Ltd. Apparatus and method for generating a screen reproduction of a color image including dot shape rotation
IL105530A (en) * 1993-04-27 1996-08-04 Scitex Corp Ltd Apparatus and method for generating a screened reproduction of an image
EP0631430A3 (en) * 1993-06-22 1995-02-22 Nippon Electric Co Color image processing apparatus capable of suppressing moire.
IL106400A (en) * 1993-07-19 1997-01-10 Scitex Corp Ltd Apparatus and method for generating half tone dot in image reproduction
US5410414A (en) * 1993-10-28 1995-04-25 Xerox Corporation Halftoning in a hyperacuity printer
DE4339281C2 (en) * 1993-11-18 2003-10-30 Heidelberger Druckmasch Ag Process for optimizing the reproduction of an original image
US5537223A (en) * 1994-06-02 1996-07-16 Xerox Corporation Rotating non-rotationally symmetrical halftone dots for encoding embedded data in a hyperacuity printer
US5691823A (en) * 1995-06-26 1997-11-25 Scitex Corporation Ltd. Apparatus and method for random screening

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539411A (en) * 1976-07-14 1978-01-27 Nec Corp Harmony correction circuit
DE2827596C2 (en) * 1978-06-23 1984-11-22 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method and arrangement for the production of screened printing forms
JPS59122080A (en) * 1982-12-27 1984-07-14 Leo Giken:Kk Generating method of dot picture

Also Published As

Publication number Publication date
JPS60213170A (en) 1985-10-25
GB2157119A (en) 1985-10-16
DE3511977A1 (en) 1985-10-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)