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GB2117209B - Video processing systems - Google Patents

  • ️Wed Mar 26 1986

GB2117209B - Video processing systems - Google Patents

Video processing systems

Info

Publication number
GB2117209B
GB2117209B GB08306790A GB8306790A GB2117209B GB 2117209 B GB2117209 B GB 2117209B GB 08306790 A GB08306790 A GB 08306790A GB 8306790 A GB8306790 A GB 8306790A GB 2117209 B GB2117209 B GB 2117209B Authority
GB
United Kingdom
Prior art keywords
video processing
processing systems
systems
video
processing
Prior art date
1982-03-19
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
GB08306790A
Other versions
GB8306790D0 (en
GB2117209A (en
Inventor
Richard John Taylor
Paul Roderick Noel Kellar
Neil Roy Hinson
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.)
1982-03-19
Filing date
1983-03-11
Publication date
1986-03-26
1983-03-11 Application filed by Quantel Ltd filed Critical Quantel Ltd
1983-03-11 Priority to GB08306790A priority Critical patent/GB2117209B/en
1983-04-20 Publication of GB8306790D0 publication Critical patent/GB8306790D0/en
1983-10-05 Publication of GB2117209A publication Critical patent/GB2117209A/en
1986-03-26 Application granted granted Critical
1986-03-26 Publication of GB2117209B publication Critical patent/GB2117209B/en
Status Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • 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
    • 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
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB08306790A 1982-03-19 1983-03-11 Video processing systems Expired GB2117209B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08306790A GB2117209B (en) 1982-03-19 1983-03-11 Video processing systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8208054 1982-03-19
GB08306790A GB2117209B (en) 1982-03-19 1983-03-11 Video processing systems

Publications (3)

Publication Number Publication Date
GB8306790D0 GB8306790D0 (en) 1983-04-20
GB2117209A GB2117209A (en) 1983-10-05
GB2117209B true GB2117209B (en) 1986-03-26

Family

ID=26282300

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08306790A Expired GB2117209B (en) 1982-03-19 1983-03-11 Video processing systems

Country Status (1)

Country Link
GB (1) GB2117209B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172167B (en) * 1985-03-07 1988-06-15 Sony Corp Video signal processing
GB2174860B (en) * 1985-05-08 1989-06-28 Sony Corp Methods of and circuits for video signal processing
GB2177871B (en) * 1985-07-09 1989-02-08 Sony Corp Methods of and circuits for video signal processing
KR920009609B1 (en) * 1989-09-07 1992-10-21 삼성전자 주식회사 Image Quality Improvement Circuit Using Video Interpolation
GB2273410B (en) * 1992-12-10 1997-04-30 British Broadcasting Corp Higher definition video signals from lower definition sources
US5689302A (en) * 1992-12-10 1997-11-18 British Broadcasting Corp. Higher definition video signals from lower definition sources

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1594343A (en) * 1977-07-26 1981-07-30 Micro Consultants Ltd Pciture manipulation in video systems

Also Published As

Publication number Publication date
GB8306790D0 (en) 1983-04-20
GB2117209A (en) 1983-10-05

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Legal Events

Date Code Title Description
2003-04-02 PE20 Patent expired after termination of 20 years

Effective date: 20030310