JPH0220194B2 - - Google Patents

Info

Publication number
JPH0220194B2
JPH0220194B2 JP58147710A JP14771083A JPH0220194B2 JP H0220194 B2 JPH0220194 B2 JP H0220194B2 JP 58147710 A JP58147710 A JP 58147710A JP 14771083 A JP14771083 A JP 14771083A JP H0220194 B2 JPH0220194 B2 JP H0220194B2
Authority
JP
Japan
Prior art keywords
pixel
data
boundary
pattern
pixels
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
Application number
JP58147710A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6038973A (ja
Inventor
Mitsuhiko Yamada
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 JP58147710A priority Critical patent/JPS6038973A/ja
Priority to US06/602,468 priority patent/US4626902A/en
Priority to FR8411062A priority patent/FR2550676B1/fr
Priority to GB08418451A priority patent/GB2145298B/en
Priority to DE19843429568 priority patent/DE3429568A1/de
Publication of JPS6038973A publication Critical patent/JPS6038973A/ja
Priority to GB878704859A priority patent/GB8704859D0/en
Priority to GB08708351A priority patent/GB2194705B/en
Publication of JPH0220194B2 publication Critical patent/JPH0220194B2/ja
Granted 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
    • H04N1/40—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Fax Reproducing Arrangements (AREA)
JP58147710A 1983-08-11 1983-08-11 境界画素の処理方法 Granted JPS6038973A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP58147710A JPS6038973A (ja) 1983-08-11 1983-08-11 境界画素の処理方法
US06/602,468 US4626902A (en) 1983-08-11 1984-04-20 Method and system for processing a border pixel
FR8411062A FR2550676B1 (fr) 1983-08-11 1984-07-12 Procede et systeme pour traiter un pixel limitrophe dans un systeme de reproduction d'images
GB08418451A GB2145298B (en) 1983-08-11 1984-07-19 A method and system for processing a border pixel
DE19843429568 DE3429568A1 (de) 1983-08-11 1984-08-10 Verfahren und vorrichtung zur verarbeitung eines grenz-pixels
GB878704859A GB8704859D0 (en) 1983-08-11 1987-03-02 Processing border pixel
GB08708351A GB2194705B (en) 1983-08-11 1987-04-08 A method and system fr processing a border pixel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58147710A JPS6038973A (ja) 1983-08-11 1983-08-11 境界画素の処理方法

Publications (2)

Publication Number Publication Date
JPS6038973A JPS6038973A (ja) 1985-02-28
JPH0220194B2 true JPH0220194B2 (en, 2012) 1990-05-08

Family

ID=15436460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58147710A Granted JPS6038973A (ja) 1983-08-11 1983-08-11 境界画素の処理方法

Country Status (5)

Country Link
US (1) US4626902A (en, 2012)
JP (1) JPS6038973A (en, 2012)
DE (1) DE3429568A1 (en, 2012)
FR (1) FR2550676B1 (en, 2012)
GB (3) GB2145298B (en, 2012)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2537172B2 (ja) * 1984-12-27 1996-09-25 株式会社東芝 カラ−画像入力装置
JP2544599B2 (ja) * 1985-08-19 1996-10-16 大日本印刷株式会社 画像形成方法
US4742399A (en) * 1985-11-01 1988-05-03 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for generating high-resolution bilevel image data
US4742400A (en) * 1986-02-12 1988-05-03 Ricoh Corporation Digital image processing device for intermediate tone
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
DE3681276D1 (de) * 1986-03-04 1991-10-10 Agfa Gevaert Nv Verfahren und geraet zur herstellung einer zusammengesetzten wiedergabe, ausgehend von visuell unterscheidbaren bildern.
JPS63221491A (ja) * 1987-03-11 1988-09-14 Victor Co Of Japan Ltd 画像デ−タ出力装置
US4849679A (en) * 1987-12-31 1989-07-18 Westinghouse Electric Corp. Image processing system for an optical seam tracker
US4992860A (en) * 1988-03-29 1991-02-12 Mitsubishi Denki Kabushiki Kaisha Color scanning system
DE3943762C2 (de) * 1988-03-29 1997-03-06 Mitsubishi Electric Corp Farbbildabtasteinrichtung
US5031034A (en) * 1988-06-20 1991-07-09 Canon Kabushiki Kaisha Image forming and processing apparatus with identification of character portions of images
JPH0776830B2 (ja) * 1988-12-23 1995-08-16 東洋インキ製造株式会社 画像部または非画像部の判別処理方法及びオペーク方法
US5151794A (en) * 1989-01-30 1992-09-29 Ezel Inc. Image processing method
US5125072A (en) * 1989-07-31 1992-06-23 Eastman Kodak Company Efficient data storage system for gray-scale printers
US5053615A (en) * 1990-04-06 1991-10-01 Samsung Electronics Co., Ltd. Correction algorithm for contiguous CCD elements leakage
DE4038056C2 (de) * 1990-11-29 1997-05-15 Hell Ag Linotype Verfahren zur Generierung und Speicherung von digitalisierten Dichteschwellwerten zur Rasterung einer Halbton-Bildvorlage
DE4038057C2 (de) * 1990-11-29 1997-05-15 Hell Ag Linotype Verfahren zur Generierung und Speicherung von digitalisierten Dichteschwellwerten zur Rasterung einer Halbtonbildvorlage
US5469516A (en) * 1990-11-29 1995-11-21 Linotype-Hell Ag Method for generating and storing digitized density thresholds for rastering a half tone original image
US5285291A (en) * 1991-02-08 1994-02-08 Adobe Systems Incorporated Methods of assigning pixels to cells of a halftone grid
GB2263038B (en) * 1991-12-30 1996-01-31 Apple Computer Apparatus for manipulating streams of data
JP2772504B2 (ja) * 1993-03-26 1998-07-02 大日本スクリーン製造株式会社 網角度が変更可能な網目版画像生成装置
DE19912511A1 (de) 1999-03-19 2000-09-21 Heidelberger Druckmasch Ag Verfahren zur Erzeugung von Überfüllungskonturen in einer Druckseite
JP2013005410A (ja) * 2011-06-21 2013-01-07 Sony Corp 画像フォーマット判別装置、画像フォーマット判別方法、画像再生装置および電子機器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150400A (en) * 1977-03-31 1979-04-17 International Business Machines Corporation Methods of a coarse-scan/fine-print character reproduction with compression
FR2386213A1 (fr) * 1977-03-31 1978-10-27 Ibm Procede de reproduction a resolution fine a partir d'un balayage a resolution grossiere
US4124870A (en) * 1977-03-31 1978-11-07 International Business Machines Corporation Method for improving print quality of coarse-scan/fine-print character reproduction
JPS5811941A (ja) * 1981-07-16 1983-01-22 Dainippon Screen Mfg Co Ltd 網目版画像記録装置における絵柄信号と文字信号の処理方法
JPS5837647A (ja) * 1981-08-28 1983-03-04 Dainippon Screen Mfg Co Ltd 抜きマスク作成方法
JPS58157255A (ja) * 1982-03-13 1983-09-19 Dainippon Screen Mfg Co Ltd 画像走査記録方法
JPS58178663A (ja) * 1982-04-12 1983-10-19 Fuji Photo Film Co Ltd 画像再現方法及びドツトマトリツクステ−ブルメモリ
JPS5912671A (ja) * 1982-07-12 1984-01-23 Dainippon Screen Mfg Co Ltd 画像走査記録方法
JPS5964846A (ja) * 1982-10-05 1984-04-12 Dainippon Screen Mfg Co Ltd 絵柄と線画の同時記録方法

Also Published As

Publication number Publication date
GB8708351D0 (en) 1987-05-13
GB2194705A (en) 1988-03-09
GB2194705B (en) 1988-07-20
FR2550676B1 (fr) 1987-08-14
GB8418451D0 (en) 1984-08-22
GB2145298A (en) 1985-03-20
DE3429568C2 (en, 2012) 1989-08-24
JPS6038973A (ja) 1985-02-28
DE3429568A1 (de) 1985-02-28
GB8704859D0 (en) 1987-04-08
FR2550676A1 (fr) 1985-02-15
US4626902A (en) 1986-12-02
GB2145298B (en) 1988-07-20

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