DE3570570D1 - Improvements relating to image enhancement - Google Patents

Improvements relating to image enhancement

Info

Publication number
DE3570570D1
DE3570570D1 DE8585305598T DE3570570T DE3570570D1 DE 3570570 D1 DE3570570 D1 DE 3570570D1 DE 8585305598 T DE8585305598 T DE 8585305598T DE 3570570 T DE3570570 T DE 3570570T DE 3570570 D1 DE3570570 D1 DE 3570570D1
Authority
DE
Germany
Prior art keywords
image enhancement
improvements relating
relating
enhancement
image
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
Application number
DE8585305598T
Other languages
German (de)
English (en)
Inventor
John Edward Aughton
Robert John Oldershaw
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.)
Crosfield Electronics Ltd
Original Assignee
Crosfield Electronics 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 Crosfield Electronics Ltd filed Critical Crosfield Electronics Ltd
Application granted granted Critical
Publication of DE3570570D1 publication Critical patent/DE3570570D1/de
Expired 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
    • H04N1/409—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
    • H04N1/48—Picture signal generators
    • H04N1/482—Picture signal generators using the same detector device sequentially for different colour components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
DE8585305598T 1984-08-24 1985-08-06 Improvements relating to image enhancement Expired DE3570570D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848421512A GB8421512D0 (en) 1984-08-24 1984-08-24 Image enhancement

Publications (1)

Publication Number Publication Date
DE3570570D1 true DE3570570D1 (en) 1989-06-29

Family

ID=10565780

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585305598T Expired DE3570570D1 (en) 1984-08-24 1985-08-06 Improvements relating to image enhancement

Country Status (5)

Country Link
US (1) US4628350A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0176198B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6170855A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3570570D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB8421512D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6432837A (en) * 1987-07-27 1989-02-02 Olympus Optical Co Electronic endoscopic apparatus
EP0305327A1 (de) * 1987-08-21 1989-03-01 Ilford Ag Verfahren und Vorrichtung zur Herstellung von photographischen Bildern von transparenten Vorlagen
US4937663A (en) * 1987-09-08 1990-06-26 Truvel Corporation Apparatus for scanning and recording a color image having a scanning element with scanning periods equal to the reciprocal of the flicker rate of a light source illuminating the color image and a rotating multi-segment color filter
US4967264A (en) * 1989-05-30 1990-10-30 Eastman Kodak Company Color sequential optical offset image sampling system
EP0452759A3 (en) * 1990-04-20 1992-10-28 Marco Dr. Brandestini Method and apparatus for rapid scanning of color images
US5191406A (en) * 1990-04-20 1993-03-02 Nikon Corporation Method and apparatus for rapid scanning of color images
US5515182A (en) * 1992-08-31 1996-05-07 Howtek, Inc. Rotary scanner
SG95602A1 (en) * 1999-08-07 2003-04-23 Inst Of Microelectronics Apparatus and method for image enhancement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606245A (en) * 1948-03-10 1952-08-05 Time Inc Unsharp mask in electronic color correction
US2691696A (en) * 1950-10-27 1954-10-12 Eastman Kodak Co Electrooptical unsharp masking in color reproduction
US2911468A (en) * 1958-01-24 1959-11-03 Gen Precision Lab Inc Video resolution control
DE1073866B (de) * 1958-12-18 1960-01-21 Fa. Dr.-Ing Rudolf Hell Kiel Verfahren zur Herstellung korrigierter photographischer Farbauszüge und/oder photographischer Kopien
US3612753A (en) * 1969-04-23 1971-10-12 Ventures Res & Dev Self-adaptive system for the reproduction of color
FR2129230A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-03-19 1972-10-27 Anvar
GB1379053A (en) * 1972-04-28 1975-01-02 Crosfield Electronics Ltd Colour scanners for image reproduction
US4199219A (en) * 1977-04-22 1980-04-22 Canon Kabushiki Kaisha Device for scanning an object with a light beam
JPS56153314A (en) * 1980-04-15 1981-11-27 Ricoh Co Ltd Color information reader
JPS58123540A (ja) * 1982-01-19 1983-07-22 Dainippon Screen Mfg Co Ltd 画像走査記録時における原画走査方法

Also Published As

Publication number Publication date
JPS6170855A (ja) 1986-04-11
EP0176198B1 (en) 1989-05-24
GB8421512D0 (en) 1984-09-26
EP0176198A1 (en) 1986-04-02
JPH0533867B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-05-20
US4628350A (en) 1986-12-09

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee