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GB2274955B - Sub band separation and combination - Google Patents

Sub band separation and combination

Info

Publication number
GB2274955B
GB2274955B GB9302164A GB9302164A GB2274955B GB 2274955 B GB2274955 B GB 2274955B GB 9302164 A GB9302164 A GB 9302164A GB 9302164 A GB9302164 A GB 9302164A GB 2274955 B GB2274955 B GB 2274955B
Authority
GB
United Kingdom
Prior art keywords
combination
sub band
band separation
separation
sub
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 - Lifetime
Application number
GB9302164A
Other versions
GB2274955A (en
GB9302164D0 (en
Inventor
James Hedley Wilkinson
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.)
Sony Broadcast and Communications Ltd
Sony Europe BV United Kingdom Branch
Original Assignee
Sony Broadcast and Communications Ltd
Sony United Kingdom 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.)
Filing date
Publication date
Application filed by Sony Broadcast and Communications Ltd, Sony United Kingdom Ltd filed Critical Sony Broadcast and Communications Ltd
Priority to GB9302164A priority Critical patent/GB2274955B/en
Publication of GB9302164D0 publication Critical patent/GB9302164D0/en
Priority to JP00580494A priority patent/JP3619534B2/en
Publication of GB2274955A publication Critical patent/GB2274955A/en
Application granted granted Critical
Publication of GB2274955B publication Critical patent/GB2274955B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
GB9302164A 1993-02-04 1993-02-04 Sub band separation and combination Expired - Lifetime GB2274955B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9302164A GB2274955B (en) 1993-02-04 1993-02-04 Sub band separation and combination
JP00580494A JP3619534B2 (en) 1993-02-04 1994-01-24 Subband separation and coupling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9302164A GB2274955B (en) 1993-02-04 1993-02-04 Sub band separation and combination

Publications (3)

Publication Number Publication Date
GB9302164D0 GB9302164D0 (en) 1993-03-24
GB2274955A GB2274955A (en) 1994-08-10
GB2274955B true GB2274955B (en) 1997-02-26

Family

ID=10729818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9302164A Expired - Lifetime GB2274955B (en) 1993-02-04 1993-02-04 Sub band separation and combination

Country Status (2)

Country Link
JP (1) JP3619534B2 (en)
GB (1) GB2274955B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3774490B2 (en) * 1995-05-18 2006-05-17 キヤノン株式会社 Image processing apparatus and image processing method
JPH09281375A (en) * 1996-04-17 1997-10-31 Olympus Optical Co Ltd Lens barrel
JP2008228327A (en) * 2008-04-08 2008-09-25 Canon Inc Decoding method and apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339589A2 (en) * 1988-04-28 1989-11-02 Sharp Kabushiki Kaisha Orthogonal transform coding system for image data
GB2252002A (en) * 1991-01-11 1992-07-22 Sony Broadcast & Communication Compression of video signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339589A2 (en) * 1988-04-28 1989-11-02 Sharp Kabushiki Kaisha Orthogonal transform coding system for image data
GB2252002A (en) * 1991-01-11 1992-07-22 Sony Broadcast & Communication Compression of video signals

Also Published As

Publication number Publication date
GB2274955A (en) 1994-08-10
JP3619534B2 (en) 2005-02-09
GB9302164D0 (en) 1993-03-24
JPH0738892A (en) 1995-02-07

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
PE20 Patent expired after termination of 20 years

Expiry date: 20130203