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GB2149994B - Method and apparatus for processing video signals - Google Patents

Method and apparatus for processing video signals

Info

Publication number
GB2149994B
GB2149994B GB08330291A GB8330291A GB2149994B GB 2149994 B GB2149994 B GB 2149994B GB 08330291 A GB08330291 A GB 08330291A GB 8330291 A GB8330291 A GB 8330291A GB 2149994 B GB2149994 B GB 2149994B
Authority
GB
United Kingdom
Prior art keywords
video signals
processing video
processing
signals
video
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
GB08330291A
Other versions
GB2149994A (en
GB8330291D0 (en
Inventor
Hidehiko Kawakami
Hiroyoshi Tsuchiya
Hideo Uchida
Hirotaka Otsuka
Katsuo Nakazato
Kunio Sannomiya
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.)
Panasonic System Solutions Japan Co Ltd
Panasonic Holdings Corp
Original Assignee
Matsushita Graphic Communication Systems Inc
Matsushita Electric Industrial Co 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 Matsushita Graphic Communication Systems Inc, Matsushita Electric Industrial Co Ltd filed Critical Matsushita Graphic Communication Systems Inc
Priority to GB08330291A priority Critical patent/GB2149994B/en
Priority to DE19833343006 priority patent/DE3343006C2/en
Publication of GB8330291D0 publication Critical patent/GB8330291D0/en
Publication of GB2149994A publication Critical patent/GB2149994A/en
Application granted granted Critical
Publication of GB2149994B publication Critical patent/GB2149994B/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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
GB08330291A 1983-11-14 1983-11-14 Method and apparatus for processing video signals Expired GB2149994B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08330291A GB2149994B (en) 1983-11-14 1983-11-14 Method and apparatus for processing video signals
DE19833343006 DE3343006C2 (en) 1983-11-14 1983-11-28 Method and device for processing video signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08330291A GB2149994B (en) 1983-11-14 1983-11-14 Method and apparatus for processing video signals
DE19833343006 DE3343006C2 (en) 1983-11-14 1983-11-28 Method and device for processing video signals

Publications (3)

Publication Number Publication Date
GB8330291D0 GB8330291D0 (en) 1983-12-21
GB2149994A GB2149994A (en) 1985-06-19
GB2149994B true GB2149994B (en) 1987-05-20

Family

ID=25815959

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08330291A Expired GB2149994B (en) 1983-11-14 1983-11-14 Method and apparatus for processing video signals

Country Status (2)

Country Link
DE (1) DE3343006C2 (en)
GB (1) GB2149994B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4907152A (en) * 1986-09-25 1990-03-06 The Boeing Company Method of improving CT resolution
DE4104467A1 (en) * 1991-02-14 1992-08-20 Hell Ag Linotype METHOD AND ARRANGEMENT FOR GENERATING SIGNALS THAT CORRESPOND TO THE INFORMATION CONTENT OF SCREENED IMAGES

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2009568B (en) * 1977-11-28 1982-03-24 Nippon Telegraph & Telephone Picture signal coding apparatus

Also Published As

Publication number Publication date
DE3343006C2 (en) 1985-12-12
DE3343006A1 (en) 1985-06-05
GB2149994A (en) 1985-06-19
GB8330291D0 (en) 1983-12-21

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Legal Events

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

Effective date: 19941114