GB9806978D0 - Image processing - Google Patents

Image processing

Info

Publication number
GB9806978D0
GB9806978D0 GBGB9806978.4A GB9806978A GB9806978D0 GB 9806978 D0 GB9806978 D0 GB 9806978D0 GB 9806978 A GB9806978 A GB 9806978A GB 9806978 D0 GB9806978 D0 GB 9806978D0
Authority
GB
United Kingdom
Prior art keywords
image processing
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.)
Granted
Application number
GBGB9806978.4A
Other versions
GB2336056A (en
GB2336056B (en
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.)
Discreet Logic Inc
Original Assignee
Discreet Logic Inc
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 Discreet Logic Inc filed Critical Discreet Logic Inc
Priority to GB9806978A priority Critical patent/GB2336056B/en
Publication of GB9806978D0 publication Critical patent/GB9806978D0/en
Priority to CA 2267545 priority patent/CA2267545A1/en
Publication of GB2336056A publication Critical patent/GB2336056A/en
Application granted granted Critical
Publication of GB2336056B publication Critical patent/GB2336056B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2622Signal amplitude transition in the zone between image portions, e.g. soft edges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/74Circuits for processing colour signals for obtaining special effects
    • H04N9/75Chroma key

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Or Creating Images (AREA)
  • Image Processing (AREA)
  • Image Generation (AREA)
GB9806978A 1998-04-01 1998-04-01 Image processing Expired - Fee Related GB2336056B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9806978A GB2336056B (en) 1998-04-01 1998-04-01 Image processing
CA 2267545 CA2267545A1 (en) 1998-04-01 1999-03-30 Image processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9806978A GB2336056B (en) 1998-04-01 1998-04-01 Image processing

Publications (3)

Publication Number Publication Date
GB9806978D0 true GB9806978D0 (en) 1998-06-03
GB2336056A GB2336056A (en) 1999-10-06
GB2336056B GB2336056B (en) 2002-10-16

Family

ID=10829666

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9806978A Expired - Fee Related GB2336056B (en) 1998-04-01 1998-04-01 Image processing

Country Status (2)

Country Link
CA (1) CA2267545A1 (en)
GB (1) GB2336056B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2363019B (en) * 2000-04-07 2004-02-25 Discreet Logic Inc Processing image data
US20080117333A1 (en) * 2006-11-17 2008-05-22 Disney Enterprises, Inc. Method, System And Computer Program Product For Video Insertion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4142650B4 (en) * 1991-12-21 2006-03-16 Bts Holding International Bv Method and arrangement for deriving a control signal for the insertion of a background signal into parts of a foreground signal
DE4229377B4 (en) * 1992-09-03 2006-03-23 Bts Holding International Bv Chroma punching method for image signals
FR2741770B1 (en) * 1995-11-23 1998-01-02 Thomson Broadcast Systems METHOD FOR CALCULATING A CUTTING KEY OF A SUBJECT EVOLVING IN FRONT OF A COLORED BACKGROUND AND DEVICE IMPLEMENTING THIS METHOD
GB9619119D0 (en) * 1996-09-12 1996-10-23 Discreet Logic Inc Processing image

Also Published As

Publication number Publication date
GB2336056A (en) 1999-10-06
GB2336056B (en) 2002-10-16
CA2267545A1 (en) 1999-10-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080401