NL256633A - - Google Patents

Info

Publication number
NL256633A
NL256633A NL256633DA NL256633A NL 256633 A NL256633 A NL 256633A NL 256633D A NL256633D A NL 256633DA NL 256633 A NL256633 A NL 256633A
Authority
NL
Netherlands
Application number
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.)
Publication of NL256633A publication Critical patent/NL256633A/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
    • H04N1/46—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)
  • Color Television Image Signal Generators (AREA)
  • Picture Signal Circuits (AREA)
NL256633D 1959-10-09 NL256633A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US845451A US2972012A (en) 1959-10-09 1959-10-09 Photoelectric unsharp masking apparatus

Publications (1)

Publication Number Publication Date
NL256633A true NL256633A (zh)

Family

ID=25295268

Family Applications (1)

Application Number Title Priority Date Filing Date
NL256633D NL256633A (zh) 1959-10-09

Country Status (4)

Country Link
US (1) US2972012A (zh)
CH (1) CH443881A (zh)
GB (1) GB891978A (zh)
NL (1) NL256633A (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144510A (en) * 1960-03-01 1964-08-11 Fairchild Camera Instr Co Apparatus for the compression of color images
NL270369A (zh) * 1961-01-16
NL278514A (zh) * 1961-05-16
NL278517A (zh) * 1961-05-16
US3170032A (en) * 1961-06-22 1965-02-16 Dick Co Ab Facsimile-scanner with a.g.c. of output signal by multiplication of low and high definition signals
GB1057253A (en) * 1962-11-09 1967-02-01 Emi Ltd Improvements relating to television camera arrangements
US3501588A (en) * 1967-11-06 1970-03-17 Willard John Elliott Television camera tube system utilizing a plurality of image pickup devices to produce a superior quality image
US3883436A (en) * 1971-07-16 1975-05-13 Nasa Physical correction filter for improving the optical quality of an image
US3778541A (en) * 1971-09-03 1973-12-11 Itek Corp System for analyzing multicolored scenes
US4160994A (en) * 1975-06-07 1979-07-10 Sonex International Corp. Luminance key amplifier
US4293872A (en) * 1978-07-24 1981-10-06 Dr.-Ing. Rudolf Hell Gmbh Production of printing blocks or forms
DE3010880C2 (de) * 1980-03-21 1984-06-20 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Rasterumsetzungsverfahren zum Gravieren von Druckformen
DE3442955A1 (de) * 1984-11-24 1986-06-05 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und vorrichtung zur herstellung fotografischer bilder durch punktweises aufbelichten
US4745465A (en) * 1986-03-24 1988-05-17 Eastman Kodak Company Digital color image processing method employing histogram normalization for tone and color reproduction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548829A (en) * 1948-03-27 1951-04-10 Rca Corp Color television system
US2691696A (en) * 1950-10-27 1954-10-12 Eastman Kodak Co Electrooptical unsharp masking in color reproduction
DE930491C (de) * 1952-07-15 1955-07-18 Rudolf Dr-Ing Hell Verfahren zur elektromechanischen Herstellung von Hochdruckformen nach Strichvorlagen
US2865984A (en) * 1953-09-03 1958-12-23 Time Inc Edge correcting system for visual image transference apparatus

Also Published As

Publication number Publication date
CH443881A (de) 1967-09-15
GB891978A (en) 1962-03-21
US2972012A (en) 1961-02-14

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