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GB2240235B - Television systems - Google Patents

Television systems

Info

Publication number
GB2240235B
GB2240235B GB9024020A GB9024020A GB2240235B GB 2240235 B GB2240235 B GB 2240235B GB 9024020 A GB9024020 A GB 9024020A GB 9024020 A GB9024020 A GB 9024020A GB 2240235 B GB2240235 B GB 2240235B
Authority
GB
United Kingdom
Prior art keywords
television systems
television
systems
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 - Fee Related
Application number
GB9024020A
Other versions
GB2240235A (en
GB9024020D0 (en
Inventor
Graham Alexander Thomas
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 GB898924808A external-priority patent/GB8924808D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB9024020A priority Critical patent/GB2240235B/en
Publication of GB9024020D0 publication Critical patent/GB9024020D0/en
Publication of GB2240235A publication Critical patent/GB2240235A/en
Application granted granted Critical
Publication of GB2240235B publication Critical patent/GB2240235B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H04N7/0152—High-definition television systems using spatial or temporal subsampling
    • H04N7/0155—High-definition television systems using spatial or temporal subsampling using pixel blocks
    • H04N7/0157—High-definition television systems using spatial or temporal subsampling using pixel blocks with motion estimation, e.g. involving the use of motion vectors

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)
GB9024020A 1989-11-03 1990-11-05 Television systems Expired - Fee Related GB2240235B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9024020A GB2240235B (en) 1989-11-03 1990-11-05 Television systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898924808A GB8924808D0 (en) 1989-11-03 1989-11-03 Television systems
GB9024020A GB2240235B (en) 1989-11-03 1990-11-05 Television systems

Publications (3)

Publication Number Publication Date
GB9024020D0 GB9024020D0 (en) 1990-12-19
GB2240235A GB2240235A (en) 1991-07-24
GB2240235B true GB2240235B (en) 1994-07-13

Family

ID=26296148

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9024020A Expired - Fee Related GB2240235B (en) 1989-11-03 1990-11-05 Television systems

Country Status (1)

Country Link
GB (1) GB2240235B (en)

Also Published As

Publication number Publication date
GB2240235A (en) 1991-07-24
GB9024020D0 (en) 1990-12-19

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Legal Events

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

Effective date: 19961105