GB2171574B - Image processing system - Google Patents

Image processing system

Info

Publication number
GB2171574B
GB2171574B GB8604214A GB8604214A GB2171574B GB 2171574 B GB2171574 B GB 2171574B GB 8604214 A GB8604214 A GB 8604214A GB 8604214 A GB8604214 A GB 8604214A GB 2171574 B GB2171574 B GB 2171574B
Authority
GB
United Kingdom
Prior art keywords
image processing
processing system
image
processing
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
GB8604214A
Other versions
GB8604214D0 (en
GB2171574A (en
Inventor
Brian Robert Jones
John William Lockton
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.)
Quantel Ltd
Original Assignee
Quantel 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 Quantel Ltd filed Critical Quantel Ltd
Publication of GB8604214D0 publication Critical patent/GB8604214D0/en
Publication of GB2171574A publication Critical patent/GB2171574A/en
Application granted granted Critical
Publication of GB2171574B publication Critical patent/GB2171574B/en
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
    • H04N1/40093—Modification of content of picture, e.g. retouching

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
GB8604214A 1985-02-21 1986-02-20 Image processing system Expired GB2171574B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8504464A GB8504464D0 (en) 1985-02-21 1985-02-21 Image processing systems

Publications (3)

Publication Number Publication Date
GB8604214D0 GB8604214D0 (en) 1986-03-26
GB2171574A GB2171574A (en) 1986-08-28
GB2171574B true GB2171574B (en) 1989-02-15

Family

ID=10574854

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8504464A Pending GB8504464D0 (en) 1985-02-21 1985-02-21 Image processing systems
GB8604214A Expired GB2171574B (en) 1985-02-21 1986-02-20 Image processing system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8504464A Pending GB8504464D0 (en) 1985-02-21 1985-02-21 Image processing systems

Country Status (1)

Country Link
GB (2) GB8504464D0 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457363A (en) * 1966-10-03 1969-07-22 Southern Pacific Co Vertical resolution facsimile system
DE2711611C2 (en) * 1977-03-17 1979-03-29 Robert Bosch Gmbh, 7000 Stuttgart Method and circuit arrangement for amplitude discrimination of a video signal
US4389677A (en) * 1980-12-08 1983-06-21 Ncr Canada Ltd - Ncr Canada Ltee Method and apparatus for removing erroneous elements from digital images
US4517604A (en) * 1983-04-04 1985-05-14 International Business Machines Corporation Method for reducing line width variations in bilevel video images

Also Published As

Publication number Publication date
GB8504464D0 (en) 1985-03-27
GB8604214D0 (en) 1986-03-26
GB2171574A (en) 1986-08-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990220