GB2516422A - Data encoding and decoding - Google Patents

Data encoding and decoding Download PDF

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Publication number
GB2516422A
GB2516422A GB1312328.6A GB201312328A GB2516422A GB 2516422 A GB2516422 A GB 2516422A GB 201312328 A GB201312328 A GB 201312328A GB 2516422 A GB2516422 A GB 2516422A
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United Kingdom
Prior art keywords
data
value
encoded
values
bit
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.)
Withdrawn
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GB1312328.6A
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English (en)
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GB201312328D0 (en
Inventor
James Alexander Gamei
Karl James Sharman
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 Corp
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Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Priority to GB1312328.6A priority Critical patent/GB2516422A/en
Publication of GB201312328D0 publication Critical patent/GB201312328D0/en
Priority to CN201480039205.9A priority patent/CN105379283B/zh
Priority to EP14739524.8A priority patent/EP3020196B1/en
Priority to JP2016524892A priority patent/JP6400092B2/ja
Priority to US14/902,266 priority patent/US11290751B2/en
Priority to PCT/GB2014/052076 priority patent/WO2015004441A1/en
Priority to BR112015032982-9A priority patent/BR112015032982B1/pt
Publication of GB2516422A publication Critical patent/GB2516422A/en
Withdrawn legal-status Critical Current

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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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031—Fixed length to variable length coding
    • H03M7/4037—Prefix coding
    • H03M7/4043—Adaptive prefix coding
    • H03M7/4068—Parameterized codes
    • H03M7/4075—Golomb codes
    • 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
    • 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
    • H04N19/60—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
    • 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
    • H04N19/64—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 ordering of coefficients or of bits for transmission
    • H04N19/647—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 ordering of coefficients or of bits for transmission using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
GB1312328.6A 2013-07-09 2013-07-09 Data encoding and decoding Withdrawn GB2516422A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB1312328.6A GB2516422A (en) 2013-07-09 2013-07-09 Data encoding and decoding
CN201480039205.9A CN105379283B (zh) 2013-07-09 2014-07-08 数据编码和解码
EP14739524.8A EP3020196B1 (en) 2013-07-09 2014-07-08 Data encoding and decoding
JP2016524892A JP6400092B2 (ja) 2013-07-09 2014-07-08 データ符号化及び復号化
US14/902,266 US11290751B2 (en) 2013-07-09 2014-07-08 Data encoding and decoding
PCT/GB2014/052076 WO2015004441A1 (en) 2013-07-09 2014-07-08 Data encoding and decoding
BR112015032982-9A BR112015032982B1 (pt) 2013-07-09 2014-07-08 Métodos de decodificação e de codificação de dados, meio de armazenamento legível por máquina não transitório, e, aparelhos de decodificação e de codificação de dados, e de captura, transmissão, exibição e/ou armazenamento de dados de vídeo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1312328.6A GB2516422A (en) 2013-07-09 2013-07-09 Data encoding and decoding

Publications (2)

Publication Number Publication Date
GB201312328D0 GB201312328D0 (en) 2013-08-21
GB2516422A true GB2516422A (en) 2015-01-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB1312328.6A Withdrawn GB2516422A (en) 2013-07-09 2013-07-09 Data encoding and decoding

Country Status (7)

Country Link
US (1) US11290751B2 (https=)
EP (1) EP3020196B1 (https=)
JP (1) JP6400092B2 (https=)
CN (1) CN105379283B (https=)
BR (1) BR112015032982B1 (https=)
GB (1) GB2516422A (https=)
WO (1) WO2015004441A1 (https=)

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JP6359101B2 (ja) 2013-10-14 2018-07-18 マイクロソフト テクノロジー ライセンシング，エルエルシー ビデオ及び画像の符号化及び復号のためのイントラブロックコピー予測モードの特徴
US10506254B2 (en) 2013-10-14 2019-12-10 Microsoft Technology Licensing, Llc Features of base color index map mode for video and image coding and decoding
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US11284103B2 (en) 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
US10542274B2 (en) 2014-02-21 2020-01-21 Microsoft Technology Licensing, Llc Dictionary encoding and decoding of screen content
CN105493505B (zh) 2014-06-19 2019-08-06 微软技术许可有限责任公司 统一的帧内块复制和帧间预测模式
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Also Published As

Publication number Publication date
BR112015032982A2 (https=) 2017-07-25
US11290751B2 (en) 2022-03-29
JP6400092B2 (ja) 2018-10-03
WO2015004441A1 (en) 2015-01-15
CN105379283A (zh) 2016-03-02
JP2016528789A (ja) 2016-09-15
EP3020196A1 (en) 2016-05-18
EP3020196B1 (en) 2020-02-26
US20160373788A1 (en) 2016-12-22
CN105379283B (zh) 2018-11-09
BR112015032982B1 (pt) 2023-03-07
GB201312328D0 (en) 2013-08-21

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