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GB2266635B - Image data compression - Google Patents

Image data compression

Info

Publication number
GB2266635B
GB2266635B GB9204329A GB9204329A GB2266635B GB 2266635 B GB2266635 B GB 2266635B GB 9204329 A GB9204329 A GB 9204329A GB 9204329 A GB9204329 A GB 9204329A GB 2266635 B GB2266635 B GB 2266635B
Authority
GB
United Kingdom
Prior art keywords
image data
data compression
compression
image
data
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
GB9204329A
Other versions
GB2266635A (en
GB9204329D0 (en
Inventor
Clive Henry Gillard
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 GB9204329A priority Critical patent/GB2266635B/en
Publication of GB9204329D0 publication Critical patent/GB9204329D0/en
Priority to JP5033410A priority patent/JPH066829A/en
Publication of GB2266635A publication Critical patent/GB2266635A/en
Application granted granted Critical
Publication of GB2266635B publication Critical patent/GB2266635B/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
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • H04N11/042—Codec means
    • H04N11/044—Codec means involving transform 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
GB9204329A 1992-02-28 1992-02-28 Image data compression Expired - Fee Related GB2266635B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9204329A GB2266635B (en) 1992-02-28 1992-02-28 Image data compression
JP5033410A JPH066829A (en) 1992-02-28 1993-02-23 Method and apparatus for compressing image data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9204329A GB2266635B (en) 1992-02-28 1992-02-28 Image data compression

Publications (3)

Publication Number Publication Date
GB9204329D0 GB9204329D0 (en) 1992-04-08
GB2266635A GB2266635A (en) 1993-11-03
GB2266635B true GB2266635B (en) 1995-11-15

Family

ID=10711234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9204329A Expired - Fee Related GB2266635B (en) 1992-02-28 1992-02-28 Image data compression

Country Status (2)

Country Link
JP (1) JPH066829A (en)
GB (1) GB2266635B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0660619A1 (en) * 1993-12-22 1995-06-28 Laboratoires D'electronique Philips S.A.S. Method for image variable length coding and device for carrying such method
US20030112863A1 (en) * 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
GB0128888D0 (en) * 2001-12-03 2002-01-23 Imagination Tech Ltd Method and apparatus for compressing data and decompressing compressed data
JP2005522957A (en) * 2002-04-12 2005-07-28 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Coding / decoding method and coding / decoding apparatus
US20040005003A1 (en) * 2002-07-02 2004-01-08 Koninklijke Philips Electronics N.V. Quality improvement for FGS BL coding with U/V coarse quantization
KR100657268B1 (en) * 2004-07-15 2006-12-14 학교법인 대양학원 Flexible coding and decoding method and apparatus for color image
EP2426919A3 (en) * 2004-10-04 2012-06-06 Cine-Tal Systems, Inc. Video monitoring system
EP2228994A3 (en) * 2005-09-20 2012-07-25 Mitsubishi Electric Corporation Image encoding method and image decoding method, image encoder and image decoder, and image encoded bit stream and recording medium
US8401071B2 (en) * 2007-12-19 2013-03-19 Sony Corporation Virtually lossless video data compression
JP5094760B2 (en) * 2009-02-13 2012-12-12 三菱電機株式会社 Video encoding device
WO2019192490A1 (en) * 2018-04-02 2019-10-10 Huawei Technologies Co., Ltd. Adaptive quantization in video coding

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073820A (en) * 1989-10-31 1991-12-17 Olympus Optical Co., Ltd. Image data coding apparatus and coding method
EP0517141A2 (en) * 1991-06-04 1992-12-09 Kabushiki Kaisha Toshiba High efficiency coding signal processing apparatus with error propagation influence reduction
EP0527611A2 (en) * 1991-08-09 1993-02-17 Sony Corporation Digital video signal recording apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073820A (en) * 1989-10-31 1991-12-17 Olympus Optical Co., Ltd. Image data coding apparatus and coding method
EP0517141A2 (en) * 1991-06-04 1992-12-09 Kabushiki Kaisha Toshiba High efficiency coding signal processing apparatus with error propagation influence reduction
EP0527611A2 (en) * 1991-08-09 1993-02-17 Sony Corporation Digital video signal recording apparatus

Also Published As

Publication number Publication date
GB2266635A (en) 1993-11-03
JPH066829A (en) 1994-01-14
GB9204329D0 (en) 1992-04-08

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110228