GB2336056B - Image processing - Google Patents

Image processing

Info

Publication number: GB2336056B
Authority: GB; United Kingdom
Prior art keywords: image processing; image; processing
Prior art date: 1998-04-01
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 - Fee Related

Inventor

Daniel Pettigrew

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.)

Autodesk Canada Co

Discreet Logic Inc

Original Assignee

Autodesk Canada Co

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.)

1998-04-01

Filing date

1998-04-01

Publication date

2002-10-16

1998-04-01Application filed by Autodesk Canada Co, Discreet Logic IncfiledCriticalAutodesk Canada Co

1998-04-01Priority to GB9806978ApriorityCriticalpatent/GB2336056B/en

1998-06-03Publication of GB9806978D0publicationCriticalpatent/GB9806978D0/en

1999-03-30Priority to CA 2267545prioritypatent/CA2267545A1/en

1999-10-06Publication of GB2336056ApublicationCriticalpatent/GB2336056A/en

2002-10-16Application grantedgrantedCritical

2002-10-16Publication of GB2336056BpublicationCriticalpatent/GB2336056B/en

2018-04-01Anticipated expirationlegal-statusCritical

StatusExpired - Fee Relatedlegal-statusCriticalCurrent

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
- H04N5/262—Studio 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
- H04N5/2622—Signal amplitude transition in the zone between image portions, e.g. soft edges
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/74—Circuits for processing colour signals for obtaining special effects
- H04N9/75—Chroma key

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Processing Or Creating Images (AREA)
Image Processing (AREA)
Image Generation (AREA)

GB9806978A1998-04-011998-04-01Image processingExpired - Fee RelatedGB2336056B (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
GB9806978AGB2336056B (en)	1998-04-01	1998-04-01	Image processing
CA 2267545CA2267545A1 (en)	1998-04-01	1999-03-30	Image processing

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9806978AGB2336056B (en)	1998-04-01	1998-04-01	Image processing

Publications (3)

Publication Number	Publication Date
GB9806978D0 GB9806978D0 (en)	1998-06-03
GB2336056A GB2336056A (en)	1999-10-06
GB2336056Btrue GB2336056B (en)	2002-10-16

Family

ID=10829666

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9806978AExpired - Fee RelatedGB2336056B (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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2262860A (en)*	1991-12-21	1993-06-30	Philips Nv	Chroma key signal generator with soft zone type keying
GB2270439A (en)*	1992-09-03	1994-03-09	Philips Electronics Nv	Chromakey method and apparatus for picture signals
EP0776136A1 (en)*	1995-11-23	1997-05-28	Thomson Broadcast Systems	Method and apparatus for calculating a chroma key of an object evolving on a coloured background
WO1998011510A1 (en)*	1996-09-12	1998-03-19	Discreet Logic Inc.	Processing image data

1998
- 1998-04-01GBGB9806978Apatent/GB2336056B/ennot_activeExpired - Fee Related
1999
- 1999-03-30CACA 2267545patent/CA2267545A1/ennot_activeAbandoned

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2262860A (en)*	1991-12-21	1993-06-30	Philips Nv	Chroma key signal generator with soft zone type keying
GB2270439A (en)*	1992-09-03	1994-03-09	Philips Electronics Nv	Chromakey method and apparatus for picture signals
EP0776136A1 (en)*	1995-11-23	1997-05-28	Thomson Broadcast Systems	Method and apparatus for calculating a chroma key of an object evolving on a coloured background
WO1998011510A1 (en)*	1996-09-12	1998-03-19	Discreet Logic Inc.	Processing image data

Also Published As

Publication number	Publication date
CA2267545A1 (en)	1999-10-01
GB9806978D0 (en)	1998-06-03
GB2336056A (en)	1999-10-06

Publication	Publication Date	Title
GB2351637B (en)	2003-03-12	Image processing device
GB2336055B (en)	2002-10-16	Image processing
GB2336266B (en)	2000-06-07	Processing image data
GB9619119D0 (en)	1996-10-23	Processing image
GB2336054B (en)	2002-10-16	Processing image data
GB9807097D0 (en)	1998-06-03	Processing image data
GB9807165D0 (en)	1998-06-03	Processing image data
GB2312129B (en)	2000-07-12	Image processing
GB2339358B (en)	2000-07-19	Image processing apparatus
GB2324924B (en)	2001-03-07	Image processing
GB9806611D0 (en)	1998-05-27	Improved image processing
GB2372661B (en)	2004-04-21	Image processing
GB2322993B (en)	1999-04-14	Image processing
GB2336056B (en)	2002-10-16	Image processing
GB2349761B (en)	2003-06-11	Image processing appatratus
GB9724933D0 (en)	1998-01-28	Image processing
GB9815779D0 (en)	1998-09-16	Digital image processing
GB2343316B (en)	2003-02-26	Video processing
GB2333375B (en)	2002-08-14	Image processing
GB9816092D0 (en)	1998-09-23	Three dimensional image processing
GB2317299B (en)	2000-11-29	Image processing
GB2320831B (en)	2001-03-28	Image processing
GB2351199B (en)	2001-04-04	Image processing
GB2346498B (en)	2000-09-13	Image processing
GB9800767D0 (en)	1998-03-11	Image processing apparatus

Legal Events

Date	Code	Title	Description
2005-11-09	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2008-12-24	PCNP	Patent ceased through non-payment of renewal fee	Effective date:20080401

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