GB0504586D0 - Manipulation of video compression - Google Patents

Manipulation of video compression

Info

Publication number
GB0504586D0
GB0504586D0 GBGB0504586.9A GB0504586A GB0504586D0 GB 0504586 D0 GB0504586 D0 GB 0504586D0 GB 0504586 A GB0504586 A GB 0504586A GB 0504586 D0 GB0504586 D0 GB 0504586D0
Authority
GB
United Kingdom
Prior art keywords
manipulation
video compression
video
compression
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.)
Granted
Application number
GBGB0504586.9A
Other versions
GB2410852B (en
GB2410852A (en
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.)
Snell Advanced Media Ltd
Original Assignee
Snell and Wilcox 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 Snell and Wilcox Ltd filed Critical Snell and Wilcox Ltd
Publication of GB0504586D0 publication Critical patent/GB0504586D0/en
Publication of GB2410852A publication Critical patent/GB2410852A/en
Application granted granted Critical
Publication of GB2410852B publication Critical patent/GB2410852B/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
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at 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
    • H04N19/134—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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/172—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 an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
GB0504586A 2002-09-12 2003-09-12 Manipulation of video compression Expired - Fee Related GB2410852B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0221146A GB2393060B (en) 2002-09-12 2002-09-12 Manipulation of video compression
PCT/GB2003/003991 WO2004025964A2 (en) 2002-09-12 2003-09-12 Manipulation of video compression

Publications (3)

Publication Number Publication Date
GB0504586D0 true GB0504586D0 (en) 2005-04-13
GB2410852A GB2410852A (en) 2005-08-10
GB2410852B GB2410852B (en) 2006-01-04

Family

ID=9943919

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0221146A Expired - Fee Related GB2393060B (en) 2002-09-12 2002-09-12 Manipulation of video compression
GB0504586A Expired - Fee Related GB2410852B (en) 2002-09-12 2003-09-12 Manipulation of video compression

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0221146A Expired - Fee Related GB2393060B (en) 2002-09-12 2002-09-12 Manipulation of video compression

Country Status (4)

Country Link
AU (1) AU2003269142A1 (en)
DE (1) DE10393211T5 (en)
GB (2) GB2393060B (en)
WO (1) WO2004025964A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1860886A4 (en) * 2005-03-14 2011-08-03 Panasonic Corp Encoding device and dynamic image recording system having the encoding device
JPWO2008132890A1 (en) * 2007-04-16 2010-07-22 株式会社東芝 Method and apparatus for image encoding and image decoding
ES2350664B1 (en) * 2008-09-01 2011-11-16 Fundacion Cetena BIT-RATE CONTROL METHOD IN MJPEG-BASED DIGITAL VIDEO COMPRESSION SYSTEMS.
WO2013158293A1 (en) * 2012-04-19 2013-10-24 Vid Scale, Inc. System and method for error-resilient video coding

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514663A3 (en) * 1991-05-24 1993-07-14 International Business Machines Corporation An apparatus and method for motion video encoding employing an adaptive quantizer
DE4132359A1 (en) * 1991-09-27 1993-04-01 Grundig Emv METHOD FOR RECORDING MOVING IMAGES FOR A FOLLOWING, MOTION-INFORMATION-BASED SIGNAL PROCESSING
US5384598A (en) * 1992-10-20 1995-01-24 International Business Machines Corporation System and method for frame differencing video compression and decompression with frame rate scalability
CA2105209A1 (en) * 1993-08-31 1995-03-01 Limin Wang Bit rate control for hybrid dpcm/dct video codec
JP3774914B2 (en) * 1995-09-27 2006-05-17 ソニー株式会社 Video equipment
US5731837A (en) * 1996-01-25 1998-03-24 Thomson Multimedia, S.A. Quantization circuitry as for video signal compression systems
US6480541B1 (en) * 1996-11-27 2002-11-12 Realnetworks, Inc. Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts
AR016812A1 (en) * 1997-08-14 2001-08-01 Samsung Electronics Co Ltd METHOD FOR TRANSMITTING COMPRESSED VIDEO INFORMATION, COMPRESSION AND VIDEO RECORDING PROVISIONS AND VIDEO PLAYBACK
US6118822A (en) * 1997-12-01 2000-09-12 Conexant Systems, Inc. Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes
JPH11196422A (en) * 1997-12-16 1999-07-21 Texas Instr Inc <Ti> Encode method of image signal
US6611530B1 (en) * 1999-09-21 2003-08-26 Hewlett-Packard Development Company, L.P. Video communication using multiple streams
FR2811187B1 (en) * 2000-07-03 2003-03-14 Telediffusion De France Tdf METHOD AND INSTALLATION OF ADAPTIVE CODING VIDEO SURVEILLANCE FOR TRANSMISSION AND / OR STORAGE OF VIDEO SEQUENCES

Also Published As

Publication number Publication date
AU2003269142A1 (en) 2004-04-30
WO2004025964A3 (en) 2004-07-29
GB2410852B (en) 2006-01-04
WO2004025964A2 (en) 2004-03-25
AU2003269142A8 (en) 2004-04-30
GB2393060B (en) 2006-01-25
GB2410852A (en) 2005-08-10
GB0221146D0 (en) 2002-10-23
DE10393211T5 (en) 2005-10-13
GB2393060A (en) 2004-03-17

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Legal Events

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

Effective date: 20100912