GB201019602D0 - Video compression - Google Patents

Video compression

Info

Publication number
GB201019602D0
GB201019602D0 GB201019602A GB201019602A GB201019602D0 GB 201019602 D0 GB201019602 D0 GB 201019602D0 GB 201019602 A GB201019602 A GB 201019602A GB 201019602 A GB201019602 A GB 201019602A GB 201019602 D0 GB201019602 D0 GB 201019602D0
Authority
GB
United Kingdom
Prior art keywords
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
GB201019602A
Other versions
GB2485576A (en
GB2485576B (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.)
DisplayLink UK Ltd
Original Assignee
DisplayLink UK 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 DisplayLink UK Ltd filed Critical DisplayLink UK Ltd
Priority to GB1019602.0A priority Critical patent/GB2485576B/en
Publication of GB201019602D0 publication Critical patent/GB201019602D0/en
Priority to EP11801804.3A priority patent/EP2641399A1/en
Priority to PCT/GB2011/001619 priority patent/WO2012066292A1/en
Publication of GB2485576A publication Critical patent/GB2485576A/en
Application granted granted Critical
Publication of GB2485576B publication Critical patent/GB2485576B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/10—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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence 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
    • H04N19/10—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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N7/26079—
    • H04N7/3027—
    • H04N7/502—
GB1019602.0A 2010-11-19 2010-11-19 Video compression Active GB2485576B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1019602.0A GB2485576B (en) 2010-11-19 2010-11-19 Video compression
EP11801804.3A EP2641399A1 (en) 2010-11-19 2011-11-18 Video compression
PCT/GB2011/001619 WO2012066292A1 (en) 2010-11-19 2011-11-18 Video compression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1019602.0A GB2485576B (en) 2010-11-19 2010-11-19 Video compression

Publications (3)

Publication Number Publication Date
GB201019602D0 true GB201019602D0 (en) 2010-12-29
GB2485576A GB2485576A (en) 2012-05-23
GB2485576B GB2485576B (en) 2013-06-26

Family

ID=43431693

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1019602.0A Active GB2485576B (en) 2010-11-19 2010-11-19 Video compression

Country Status (3)

Country Link
EP (1) EP2641399A1 (en)
GB (1) GB2485576B (en)
WO (1) WO2012066292A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2556262B (en) * 2012-12-21 2018-11-21 Displaylink Uk Ltd Management of memory for storing display data
EP3472806A4 (en) 2016-06-17 2020-02-26 Immersive Robotics Pty Ltd Image compression method and apparatus
US11429337B2 (en) 2017-02-08 2022-08-30 Immersive Robotics Pty Ltd Displaying content to users in a multiplayer venue
CN107205150B (en) * 2017-07-14 2019-05-24 西安万像电子科技有限公司 Coding method and device
GB2606502B (en) * 2017-10-16 2023-01-04 Displaylink Uk Ltd Encoding and transmission of display data
CN111699693A (en) 2017-11-21 2020-09-22 因默希弗机器人私人有限公司 Image compression for digital reality
AU2018373495B2 (en) 2017-11-21 2023-01-05 Immersive Robotics Pty Ltd Frequency component selection for image compression

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5629780A (en) * 1994-12-19 1997-05-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Image data compression having minimum perceptual error
US6348945B1 (en) * 1996-09-06 2002-02-19 Sony Corporation Method and device for encoding data
US5991454A (en) * 1997-10-06 1999-11-23 Lockheed Martin Coporation Data compression for TDOA/DD location system
US6301392B1 (en) * 1998-09-03 2001-10-09 Intel Corporation Efficient methodology to select the quantization threshold parameters in a DWT-based image compression scheme in order to score a predefined minimum number of images into a fixed size secondary storage
US6549674B1 (en) * 2000-10-12 2003-04-15 Picsurf, Inc. Image compression based on tiled wavelet-like transform using edge and non-edge filters
US7916961B2 (en) * 2005-09-06 2011-03-29 Megachips Corporation Compression encoder, compression encoding method and program

Also Published As

Publication number Publication date
EP2641399A1 (en) 2013-09-25
GB2485576A (en) 2012-05-23
WO2012066292A1 (en) 2012-05-24
GB2485576B (en) 2013-06-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20121004 AND 20121010