JPS5754474A - - Google Patents

Info

Publication number
JPS5754474A
JPS5754474A JP56126057A JP12605781A JPS5754474A JP S5754474 A JPS5754474 A JP S5754474A JP 56126057 A JP56126057 A JP 56126057A JP 12605781 A JP12605781 A JP 12605781A JP S5754474 A JPS5754474 A JP S5754474A
Authority
JP
Japan
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
JP56126057A
Inventor
Haintsuru Yoahimu
Fuon Borusuteru Kurausuupeetaa
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of JPS5754474A publication Critical patent/JPS5754474A/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
    • H04N1/40—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP56126057A 1980-08-13 1981-08-13 Pending JPS5754474A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3030648A DE3030648C2 (de) 1980-08-13 1980-08-13 Verfahren und Anordnung zum Darstellen von Grauwerten bei einer Faksimile-Übertragung

Publications (1)

Publication Number Publication Date
JPS5754474A true JPS5754474A (ja) 1982-03-31

Family

ID=6109553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56126057A Pending JPS5754474A (ja) 1980-08-13 1981-08-13

Country Status (4)

Country Link
US (1) US4412256A (ja)
EP (1) EP0045965B1 (ja)
JP (1) JPS5754474A (ja)
DE (1) DE3030648C2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62232271A (ja) * 1986-04-02 1987-10-12 Matsushita Graphic Commun Syst Inc 中間調画像処理装置
JPS62232270A (ja) * 1986-04-02 1987-10-12 Matsushita Graphic Commun Syst Inc 中間調画像処理装置
JPH0213174A (ja) * 1988-06-30 1990-01-17 Pfu Ltd 中間調画像２値化処理方式

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59205874A (ja) * 1983-05-10 1984-11-21 Canon Inc 画像デ−タ圧縮装置
US5175807A (en) * 1986-12-04 1992-12-29 Quantel Limited Video signal processing with added probabilistic dither
US5150429A (en) * 1987-12-17 1992-09-22 Eastman Kodak Company Image processor with error diffusion modulated threshold matrix
US4891714A (en) * 1989-04-24 1990-01-02 Eastman Kodak Company Apparatus for non-linear error diffusion thresholding of multilevel video images
US5341228A (en) * 1990-12-04 1994-08-23 Research Corporation Technologies Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
US5323247A (en) * 1990-12-04 1994-06-21 Research Corporation Technologies Method and apparatus for halftoning and inverse halftoning and the transmission of such images
DE4244835A1 (de) * 1992-11-06 1995-07-13 Josef Dirr Verfahren für die Grautoncodierung und Übertragung bei Telefax

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1772367C3 (de) * 1968-05-04 1974-10-31 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur gerasterten Reproduktion von Halbtonbildern
DE2017960A1 (de) * 1970-04-15 1971-10-28 Bosch Elektronik Gmbh Verfahren zur elektrischen Übertragung von Bildvorlagen
DE2363460A1 (de) * 1973-12-20 1975-07-03 Philips Nv Bildverarbeitungsanordnung zur wiedergabe eines grauzonen enthaltenden bildes
US4051536A (en) * 1975-03-14 1977-09-27 Xerox Corporation Electronic halftone imaging system
US3965290A (en) * 1975-03-21 1976-06-22 Dacom, Inc. Video-to-binary conversion apparatus having moire suppression characteristics
DE2748289C2 (de) * 1977-10-27 1979-05-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Anordnung zum Vermindern der Redundanz von Zeichen oder grafische Muster beschreibenden binären Zeichenfolgen
JPS5516557A (en) * 1978-07-21 1980-02-05 Fuji Electric Co Ltd Voltage selective switching circuit
JPS5755165A (en) 1980-09-22 1982-04-01 Yukiyasu Unno Movement type pinball machine doubling as remote operation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62232271A (ja) * 1986-04-02 1987-10-12 Matsushita Graphic Commun Syst Inc 中間調画像処理装置
JPS62232270A (ja) * 1986-04-02 1987-10-12 Matsushita Graphic Commun Syst Inc 中間調画像処理装置
JPH0213174A (ja) * 1988-06-30 1990-01-17 Pfu Ltd 中間調画像２値化処理方式

Also Published As

Publication number Publication date
DE3030648C2 (de) 1983-11-10
DE3030648A1 (de) 1982-02-25
EP0045965B1 (de) 1984-02-15
EP0045965A1 (de) 1982-02-17
US4412256A (en) 1983-10-25

Similar Documents

Publication Publication Date Title
DE3125260C2 (ja)
FR2487566B1 (ja)
FR2475511B1 (ja)
DE3111126C2 (ja)
DE3041938C2 (ja)
DE3134792C2 (ja)
FR2473810B1 (ja)
CH627610GA3 (ja)
FR2474265B1 (ja)
DE3131407C2 (ja)
DE3127197C2 (ja)
FR2473852B1 (ja)
FR2475380B1 (ja)
FR2475180B1 (ja)
JPS5754474A (ja)
DE3042872C2 (ja)
DE3100425C2 (ja)
FR2473982B1 (ja)
FR2474906B1 (ja)
FR2474249B1 (ja)
DE3034276C2 (ja)
FR2473282B3 (ja)
FR2473244B1 (ja)
FR2474102B1 (ja)
FR2475582B1 (ja)