GB2251528B - Improvements in television systems - Google Patents

Improvements in television systems

Info

Publication number
GB2251528B
GB2251528B GB9201021A GB9201021A GB2251528B GB 2251528 B GB2251528 B GB 2251528B GB 9201021 A GB9201021 A GB 9201021A GB 9201021 A GB9201021 A GB 9201021A GB 2251528 B GB2251528 B GB 2251528B
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
GB9201021A
Other versions
GB9201021D0 (en
GB2251528A (en
Inventor
Peter John Brightwell
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
Priority claimed from GB898924836A external-priority patent/GB8924836D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB9201021A priority Critical patent/GB2251528B/en
Publication of GB9201021D0 publication Critical patent/GB9201021D0/en
Publication of GB2251528A publication Critical patent/GB2251528A/en
Application granted granted Critical
Publication of GB2251528B publication Critical patent/GB2251528B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • 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
    • 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
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

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)
GB9201021A 1989-11-03 1992-01-17 Improvements in television systems Expired - Fee Related GB2251528B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9201021A GB2251528B (en) 1989-11-03 1992-01-17 Improvements in television systems

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB898924808A GB8924808D0 (en) 1989-11-03 1989-11-03 Television systems
GB898924836A GB8924836D0 (en) 1989-11-03 1989-11-03 Television systems
GB9024021A GB2240005B (en) 1989-11-03 1990-11-05 Improvements in television systems
GB9201021A GB2251528B (en) 1989-11-03 1992-01-17 Improvements in television systems

Publications (3)

Publication Number Publication Date
GB9201021D0 GB9201021D0 (en) 1992-03-11
GB2251528A GB2251528A (en) 1992-07-08
GB2251528B true GB2251528B (en) 1994-06-15

Family

ID=27264776

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9024021A Expired - Fee Related GB2240005B (en) 1989-11-03 1990-11-05 Improvements in television systems
GB9201021A Expired - Fee Related GB2251528B (en) 1989-11-03 1992-01-17 Improvements in television systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9024021A Expired - Fee Related GB2240005B (en) 1989-11-03 1990-11-05 Improvements in television systems

Country Status (1)

Country Link
GB (2) GB2240005B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI88846C (en) * 1991-10-09 1993-07-12 Nokia Oy Ab VIDEOKOMPRESSIONSFOERFARANDE
FR2684257A1 (en) * 1991-11-27 1993-05-28 Thomson Consumer Electronics DEVICE FOR DECODING MOVEMENT INFORMATION IN HIGH DEFINITION TELEVISION.
FR2702116B1 (en) * 1993-02-26 1995-04-07 Thomson Csf Method for coding, in high definition television, image sequences.
US5623312A (en) * 1994-12-22 1997-04-22 Lucent Technologies Inc. Compressed-domain bit rate reduction system
EP0899958A3 (en) * 1997-08-27 2008-04-23 Opportunity Investment Management PLC Image data transmission method
GB2333656B (en) 1998-01-22 2002-08-14 British Broadcasting Corp Compressed signals
FR2788641B1 (en) * 1998-12-23 2001-03-30 Canon Kk CODING AND DECODING OF DIGITAL SIGNALS
GB0004427D0 (en) 2000-02-24 2000-04-12 Xeikon Nv Cleaning device
AU1355402A (en) * 2002-01-25 2003-07-31 James Edward Maguire Non raster image scanning
US7302006B2 (en) 2002-04-30 2007-11-27 Hewlett-Packard Development Company, L.P. Compression of images and image sequences through adaptive partitioning
WO2005109896A2 (en) * 2004-05-04 2005-11-17 Qualcomm Incorporated Method and apparatus to construct bi-directional predicted frames for temporal scalability

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0348186A2 (en) * 1988-06-22 1989-12-27 British Broadcasting Corporation Bandwidth reduction system for television
EP0386805A2 (en) * 1989-01-11 1990-09-12 Philips Electronics Uk Limited Processing of high-definition television signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0348186A2 (en) * 1988-06-22 1989-12-27 British Broadcasting Corporation Bandwidth reduction system for television
EP0386805A2 (en) * 1989-01-11 1990-09-12 Philips Electronics Uk Limited Processing of high-definition television signals

Also Published As

Publication number Publication date
GB9201021D0 (en) 1992-03-11
GB2240005B (en) 1994-06-15
GB9024021D0 (en) 1990-12-19
GB2251528A (en) 1992-07-08
GB2240005A (en) 1991-07-17

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Legal Events

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

Effective date: 19991105