JPS60213170A - 画像走査記録装置における網点パタ−ン発生方法 - Google Patents

画像走査記録装置における網点パタ−ン発生方法

Info

Publication number
JPS60213170A
JPS60213170A JP59069637A JP6963784A JPS60213170A JP S60213170 A JPS60213170 A JP S60213170A JP 59069637 A JP59069637 A JP 59069637A JP 6963784 A JP6963784 A JP 6963784A JP S60213170 A JPS60213170 A JP S60213170A
Authority
JP
Japan
Prior art keywords
halftone dot
dot pattern
halftone
value
function
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.)
Pending
Application number
JP59069637A
Other languages
English (en)
Japanese (ja)
Inventor
Kunio Ikuta
生田　国男
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
Priority to JP59069637A priority Critical patent/JPS60213170A/ja
Priority to GB08508282A priority patent/GB2157119A/en
Priority to DE19853511977 priority patent/DE3511977A1/de
Publication of JPS60213170A publication Critical patent/JPS60213170A/ja
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
JP59069637A 1984-04-06 1984-04-06 画像走査記録装置における網点パタ−ン発生方法 Pending JPS60213170A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP59069637A JPS60213170A (ja) 1984-04-06 1984-04-06 画像走査記録装置における網点パタ−ン発生方法
GB08508282A GB2157119A (en) 1984-04-06 1985-03-29 Halftone dot generation in image reproduction
DE19853511977 DE3511977A1 (de) 1984-04-06 1985-04-02 Verfahren und vorrichtung zum bilden von halbtonpunkten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59069637A JPS60213170A (ja) 1984-04-06 1984-04-06 画像走査記録装置における網点パタ−ン発生方法

Publications (1)

Publication Number Publication Date
JPS60213170A true JPS60213170A (ja) 1985-10-25

Family

ID=13408574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59069637A Pending JPS60213170A (ja) 1984-04-06 1984-04-06 画像走査記録装置における網点パタ−ン発生方法

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638045A (ja) * 1990-06-28 1994-02-10 Dainippon Screen Mfg Co Ltd 網点画像作成装置

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0657049B2 (ja) * 1984-12-07 1994-07-27 大日本スクリ−ン製造株式会社 網点形成方法
JPH0614187B2 (ja) * 1984-10-11 1994-02-23 株式会社デイ・エス・スキヤナ− 網点フィルム作成装置
JPH0626440B2 (ja) * 1987-05-26 1994-04-06 大日本スクリ−ン製造株式会社 網点作成装置
US4984097A (en) * 1989-01-31 1991-01-08 Nynex Corporation Halftone reproduction with enhanced gray level reproducibility
DE69120590T2 (de) * 1990-04-25 1997-02-13 Bayer Ag Rasterfrequenzmultiplikationsverfahren in einem elektronischen Rasterungsprozess
US5150225A (en) * 1990-05-18 1992-09-22 Scitex Corporation Ltd. Apparatus for generating a screened reproduction of an image
US5079721A (en) * 1990-05-18 1992-01-07 Scitex Corporation Ltd. Apparatus for generating a screened reproduction of an image
US5227895A (en) * 1990-08-03 1993-07-13 Scitex Corporation Ltd. Method and apparatus for image reproduction
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
US5264926A (en) * 1990-09-14 1993-11-23 Minnesota Mining And Manufacturing Company Perpendicular, equal 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
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
EP0499738B1 (de) * 1991-02-08 1996-12-27 Adobe Systems Inc. Punktgrössesteuerverfahren bei digitaler Halbtonrasterung mit mehrzelliger Schwellenmatrix
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 (de) * 1991-03-14 1995-04-27 Hell Ag Linotype Verfahren und Anordnung zur Herstellung von gerasterten Farbauszügen und Druckformen
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 Device and method for creating an image reproduction
US5572600A (en) * 1993-06-22 1996-11-05 Nec Corporation 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 (de) * 1993-11-18 2003-10-30 Heidelberger Druckmasch Ag Verfahren zur Optimierung bei der Reproduzierung einer Bildvorlage
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

Citations (2)

* 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
JPS556393A (en) * 1978-06-23 1980-01-17 Hell Rudolf Dr Ing Gmbh Method and apparatus for producing screened printing plate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122080A (ja) * 1982-12-27 1984-07-14 Leo Giken:Kk 網点画像の発生方法

Patent Citations (2)

* 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
JPS556393A (en) * 1978-06-23 1980-01-17 Hell Rudolf Dr Ing Gmbh Method and apparatus for producing screened printing plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638045A (ja) * 1990-06-28 1994-02-10 Dainippon Screen Mfg Co Ltd 網点画像作成装置

Also Published As

Publication number Publication date
GB8508282D0 (en) 1985-05-09
GB2157119A (en) 1985-10-16
DE3511977A1 (de) 1985-10-17

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