GB2139039B - Electronically detecting the presence of film dirt - Google Patents

Electronically detecting the presence of film dirt

Info

Publication number
GB2139039B
GB2139039B GB08406282A GB8406282A GB2139039B GB 2139039 B GB2139039 B GB 2139039B GB 08406282 A GB08406282 A GB 08406282A GB 8406282 A GB8406282 A GB 8406282A GB 2139039 B GB2139039 B GB 2139039B
Authority
GB
United Kingdom
Prior art keywords
electronically detecting
film dirt
dirt
film
electronically
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
GB08406282A
Other versions
GB2139039A (en
GB8406282D0 (en
Inventor
Richard Storey
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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
Priority claimed from GB838306843A external-priority patent/GB8306843D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB08406282A priority Critical patent/GB2139039B/en
Publication of GB8406282D0 publication Critical patent/GB8406282D0/en
Publication of GB2139039A publication Critical patent/GB2139039A/en
Application granted granted Critical
Publication of GB2139039B publication Critical patent/GB2139039B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/253—Picture signal generating by scanning motion picture films or slide opaques, e.g. for telecine
GB08406282A 1983-03-11 1984-03-09 Electronically detecting the presence of film dirt Expired GB2139039B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08406282A GB2139039B (en) 1983-03-11 1984-03-09 Electronically detecting the presence of film dirt

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838306843A GB8306843D0 (en) 1983-03-11 1983-03-11 Electronically detecting presence of film dirt
GB08406282A GB2139039B (en) 1983-03-11 1984-03-09 Electronically detecting the presence of film dirt

Publications (3)

Publication Number Publication Date
GB8406282D0 GB8406282D0 (en) 1984-04-11
GB2139039A GB2139039A (en) 1984-10-31
GB2139039B true GB2139039B (en) 1986-09-03

Family

ID=26285490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08406282A Expired GB2139039B (en) 1983-03-11 1984-03-09 Electronically detecting the presence of film dirt

Country Status (1)

Country Link
GB (1) GB2139039B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165417B (en) * 1984-09-07 1988-02-10 British Broadcasting Corp Measurement and correction of film unsteadiness in a video signal
GB9316153D0 (en) * 1993-08-04 1993-09-22 Avt Communications Ltd Image processing
GB2305054B (en) * 1995-08-29 2000-03-22 British Broadcasting Corp Blemish concealment in video signals
DE19635544C2 (en) * 1996-09-02 2002-02-28 Werner Gampp Process for improving the picture quality when transferring cinema and narrow films to video material
GB9921331D0 (en) 1999-09-09 1999-11-10 Pandora Int Ltd Film restoration system
DE10064848A1 (en) * 2000-12-23 2002-06-27 Philips Corp Intellectual Pty Processing video signals involves comparing image contents of preceding and following images, generating correction signal if appropriate, adding to video signal to correct video signal

Also Published As

Publication number Publication date
GB2139039A (en) 1984-10-31
GB8406282D0 (en) 1984-04-11

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Legal Events

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

Effective date: 19950309