DD103978A5 - - Google Patents

Info

Publication number
DD103978A5
DD103978A5 DD17125773A DD17125773A DD103978A5 DD 103978 A5 DD103978 A5 DD 103978A5 DD 17125773 A DD17125773 A DD 17125773A DD 17125773 A DD17125773 A DD 17125773A DD 103978 A5 DD103978 A5 DD 103978A5
Authority
DD
German Democratic Republic
Application number
DD17125773A
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 filed Critical
Publication of DD103978A5 publication Critical patent/DD103978A5/xx

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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
DD17125773A 1972-06-02 1973-06-01 DD103978A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722226990 DE2226990C3 (en) 1972-06-02 1972-06-02 Arrangement to improve the sharpness when recording halftone images

Publications (1)

Publication Number Publication Date
DD103978A5 true DD103978A5 (en) 1974-02-12

Family

ID=5846691

Family Applications (1)

Application Number Title Priority Date Filing Date
DD17125773A DD103978A5 (en) 1972-06-02 1973-06-01

Country Status (7)

Country Link
JP (3) JPS5513025B2 (en)
CH (1) CH551645A (en)
DD (1) DD103978A5 (en)
DE (1) DE2226990C3 (en)
FR (1) FR2187139A5 (en)
GB (1) GB1424410A (en)
SU (1) SU503552A3 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50156815A (en) * 1974-06-07 1975-12-18
JPS5264001U (en) * 1975-11-06 1977-05-12
DE2708421C2 (en) * 1977-02-26 1982-01-14 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method for mixing signals in the production of printing formes
JPS55146451A (en) * 1979-05-02 1980-11-14 Dainippon Screen Mfg Co Ltd Sharpness emphasis method in image scanning recorder
FR2467078A1 (en) * 1979-10-11 1981-04-17 Machulka Grigory Laser beam producing printing blocks - synchronously scans and modulates for line and half tone structures using sawtooth pulse generator and comparator
US4538182A (en) * 1981-05-11 1985-08-27 Canon Kabushiki Kaisha Image processing apparatus
JPS5814270A (en) * 1981-07-17 1983-01-27 Fuji Photo Film Co Ltd Picture scanning and recording method
DE3139483C2 (en) * 1981-10-03 1985-06-13 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method and circuit arrangement for increasing contrast
EP0098319B1 (en) * 1982-07-03 1986-03-26 DR.-ING. RUDOLF HELL GmbH Method and arrangement for contrast enhancement
JPS6054570A (en) * 1983-09-05 1985-03-29 Fuji Photo Film Co Ltd System for emphasizing sharpness of picture
JP2515737B2 (en) * 1986-04-25 1996-07-10 株式会社日立製作所 Image enhancement method
GB8526817D0 (en) * 1985-10-31 1985-12-04 Crosfield Electronics Ltd Image enhancement
JPS62176370A (en) * 1986-01-30 1987-08-03 Usac Electronics Ind Co Ltd Image reader
JPS62272757A (en) * 1986-05-21 1987-11-26 Matsushita Graphic Commun Syst Inc Partial pseudo halftone picture reader
JPS62297991A (en) * 1986-06-18 1987-12-25 芝浦メカトロニクス株式会社 Empty can recovery machine
JPH0778625B2 (en) * 1988-11-30 1995-08-23 凸版印刷株式会社 Scanner device
JP3029116B2 (en) * 1989-08-02 2000-04-04 キヤノン株式会社 Image processing method
US6181819B1 (en) 1989-08-02 2001-01-30 Canon Kabushiki Kaisha Image processing apparatus including means for judging a chromatic portion of an image
JPH05246009A (en) * 1992-03-06 1993-09-24 Kanazawa Seal:Kk Forming method of braille point
WO2013035661A1 (en) * 2011-09-07 2013-03-14 株式会社ニコン Substrate processing device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557557B2 (en) * 1972-08-16 1980-02-26

Also Published As

Publication number Publication date
DE2226990A1 (en) 1973-12-13
DE2226990C3 (en) 1976-01-02
DE2226990B2 (en) 1975-04-30
JPS5540492A (en) 1980-03-21
JPS6122296B2 (en) 1986-05-31
JPS5540493A (en) 1980-03-21
JPS4957716A (en) 1974-06-05
GB1424410A (en) 1976-02-11
CH551645A (en) 1974-07-15
JPS6124708B2 (en) 1986-06-12
SU503552A3 (en) 1976-02-15
FR2187139A5 (en) 1974-01-11
JPS5513025B2 (en) 1980-04-05

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