GB2204208B - Image signal processing - Google Patents

Image signal processing

Info

Publication number: GB2204208B
Authority: GB; United Kingdom
Prior art keywords: signal processing; image signal; image; processing; signal
Prior art date: 1987-03-25
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

Application number

GB8805644A

Other versions

GB8805644D0 (en

GB2204208A (en

Inventor

Philip Nicholas Cuthberts Hill

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.)

1987-03-25

Filing date

1988-03-09

Publication date

1991-01-09

1988-03-09 Application filed by Quantel Ltd filed Critical Quantel Ltd

1988-04-07 Publication of GB8805644D0 publication Critical patent/GB8805644D0/en

1988-11-02 Publication of GB2204208A publication Critical patent/GB2204208A/en

1991-01-09 Application granted granted Critical

1991-01-09 Publication of GB2204208B publication Critical patent/GB2204208B/en

2008-03-09 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/50—Lighting effects
- G06T15/506—Illumination models
- 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

Landscapes

Engineering & Computer Science (AREA)
Computer Graphics (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Processing Of Color Television Signals (AREA)

GB8805644A 1987-03-25 1988-03-09 Image signal processing Expired - Fee Related GB2204208B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB878707087A GB8707087D0 (en)	1987-03-25	1987-03-25	Image signal processing systems

Publications (3)

Publication Number	Publication Date
GB8805644D0 GB8805644D0 (en)	1988-04-07
GB2204208A GB2204208A (en)	1988-11-02
GB2204208B true GB2204208B (en)	1991-01-09

Family

ID=10614587

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB878707087A Pending GB8707087D0 (en)	1987-03-25	1987-03-25	Image signal processing systems
GB8805644A Expired - Fee Related GB2204208B (en)	1987-03-25	1988-03-09	Image signal processing

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB878707087A Pending GB8707087D0 (en)	1987-03-25	1987-03-25	Image signal processing systems

Country Status (1)

Country	Link
GB (2)	GB8707087D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9012273D0 (en) *	1990-06-01	1990-07-18	Rediffusion Simulation Ltd	Image generator
GB2271261A (en) *	1992-10-02	1994-04-06	Canon Res Ct Europe Ltd	Processing image data
GB2271493A (en) *	1992-10-02	1994-04-13	Canon Res Ct Europe Ltd	Processing colour image data

1987
- 1987-03-25 GB GB878707087A patent/GB8707087D0/en active Pending
1988
- 1988-03-09 GB GB8805644A patent/GB2204208B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB8805644D0 (en)	1988-04-07
GB2204208A (en)	1988-11-02
GB8707087D0 (en)	1987-04-29

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Legal Events

Date	Code	Title	Description
1992-11-04	PCNP	Patent ceased through non-payment of renewal fee