GB2518823A - Data encoding and decoding - Google Patents

Data encoding and decoding Download PDF

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Publication number
GB2518823A
GB2518823A GB1317041.0A GB201317041A GB2518823A GB 2518823 A GB2518823 A GB 2518823A GB 201317041 A GB201317041 A GB 201317041A GB 2518823 A GB2518823 A GB 2518823A
Authority
GB
United Kingdom
Prior art keywords
array
transform
data values
video data
skip mode
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Withdrawn
Application number
GB1317041.0A
Other languages
English (en)
Other versions
GB201317041D0 (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
Original Assignee
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 GB1317041.0A priority Critical patent/GB2518823A/en
Publication of GB201317041D0 publication Critical patent/GB201317041D0/en
Priority to TW103129724A priority patent/TWI650012B/zh
Priority to US15/021,191 priority patent/US10575017B2/en
Priority to PCT/GB2014/052902 priority patent/WO2015044660A1/en
Priority to CA2923556A priority patent/CA2923556C/en
Priority to RU2018130348A priority patent/RU2760234C2/ru
Priority to AU2014326421A priority patent/AU2014326421B2/en
Priority to BR112016006042-3A priority patent/BR112016006042B1/pt
Priority to CN201811267447.XA priority patent/CN109451311B/zh
Priority to RU2016115854A priority patent/RU2665309C2/ru
Priority to MX2016003402A priority patent/MX366389B/es
Priority to CN201480052828.XA priority patent/CN105580367B/zh
Priority to EP14777122.4A priority patent/EP3036904B1/en
Priority to JP2016517463A priority patent/JP6548635B2/ja
Publication of GB2518823A publication Critical patent/GB2518823A/en
Priority to US16/797,095 priority patent/US10958938B2/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Withdrawn legal-status Critical Current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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/102—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
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/10—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB1317041.0A 2013-09-25 2013-09-25 Data encoding and decoding Withdrawn GB2518823A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
GB1317041.0A GB2518823A (en) 2013-09-25 2013-09-25 Data encoding and decoding
TW103129724A TWI650012B (zh) 2013-09-25 2014-08-28 用於資料編碼和解碼之設備、方法及儲存媒體
JP2016517463A JP6548635B2 (ja) 2013-09-25 2014-09-24 データ符号化及び復号化
AU2014326421A AU2014326421B2 (en) 2013-09-25 2014-09-24 Data encoding and decoding
RU2016115854A RU2665309C2 (ru) 2013-09-25 2014-09-24 Кодирование и декодирование данных
CA2923556A CA2923556C (en) 2013-09-25 2014-09-24 Data encoding and decoding
RU2018130348A RU2760234C2 (ru) 2013-09-25 2014-09-24 Кодирование и декодирование данных
US15/021,191 US10575017B2 (en) 2013-09-25 2014-09-24 Data encoding and decoding based on transform-skip mode detection
BR112016006042-3A BR112016006042B1 (pt) 2013-09-25 2014-09-24 Aparelho de decodificação de dados de vídeo, aparelho de codificação de dados de vídeo, método de decodificação de dados de vídeo, método de codificação de dados de vídeo, e, meio de armazenamento legível por computador
CN201811267447.XA CN109451311B (zh) 2013-09-25 2014-09-24 视频数据编码、解码装置以及方法
PCT/GB2014/052902 WO2015044660A1 (en) 2013-09-25 2014-09-24 Data encoding and decoding
MX2016003402A MX366389B (es) 2013-09-25 2014-09-24 Codificacion y decodificacion de datos.
CN201480052828.XA CN105580367B (zh) 2013-09-25 2014-09-24 数据编码和解码
EP14777122.4A EP3036904B1 (en) 2013-09-25 2014-09-24 Data encoding and decoding
US16/797,095 US10958938B2 (en) 2013-09-25 2020-02-21 Data encoding and decoding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1317041.0A GB2518823A (en) 2013-09-25 2013-09-25 Data encoding and decoding

Publications (2)

Publication Number Publication Date
GB201317041D0 GB201317041D0 (en) 2013-11-06
GB2518823A true GB2518823A (en) 2015-04-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB1317041.0A Withdrawn GB2518823A (en) 2013-09-25 2013-09-25 Data encoding and decoding

Country Status (11)

Country Link
US (2) US10575017B2 (enExample)
EP (1) EP3036904B1 (enExample)
JP (1) JP6548635B2 (enExample)
CN (2) CN109451311B (enExample)
AU (1) AU2014326421B2 (enExample)
CA (1) CA2923556C (enExample)
GB (1) GB2518823A (enExample)
MX (1) MX366389B (enExample)
RU (2) RU2665309C2 (enExample)
TW (1) TWI650012B (enExample)
WO (1) WO2015044660A1 (enExample)

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US10091506B2 (en) * 2015-06-11 2018-10-02 Sony Corporation Data-charge phase data compression architecture
US10027968B2 (en) * 2015-06-12 2018-07-17 Sony Corporation Data-charge phase data compression tool
US10123044B2 (en) * 2015-07-16 2018-11-06 Mediatek Inc. Partial decoding circuit of video encoder/decoder for dealing with inverse second transform and partial encoding circuit of video encoder for dealing with second transform
US10224042B2 (en) * 2016-10-31 2019-03-05 Qualcomm Incorporated Encoding of multiple audio signals
WO2018097626A1 (ko) * 2016-11-25 2018-05-31 주식회사 케이티 비디오 신호 처리 방법 및 장치
KR20180089290A (ko) * 2017-01-31 2018-08-08 세종대학교산학협력단 영상의 부호화/복호화 방법 및 장치
GB2570710B (en) * 2018-02-05 2022-10-12 Sony Corp Data encoding and decoding
KR20220030999A (ko) * 2019-06-14 2022-03-11 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스케일링에 기초하는 개선된 변환을 갖는 인코더, 디코더, 방법 및 컴퓨터 프로그램
WO2021039650A1 (ja) * 2019-08-23 2021-03-04 ソニー株式会社 画像処理装置および方法
WO2021086023A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 적응적 변환을 이용하여 레지듀얼 처리를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
US11490122B2 (en) * 2020-09-24 2022-11-01 Tencent America LLC Method and apparatus for video coding

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Also Published As

Publication number Publication date
CN105580367A (zh) 2016-05-11
RU2018130348A (ru) 2019-03-15
MX2016003402A (es) 2016-06-30
RU2665309C2 (ru) 2018-08-28
TWI650012B (zh) 2019-02-01
TW201517600A (zh) 2015-05-01
CN109451311B (zh) 2023-06-30
EP3036904A1 (en) 2016-06-29
WO2015044660A1 (en) 2015-04-02
CA2923556A1 (en) 2015-04-02
EP3036904B1 (en) 2020-01-15
US20200195971A1 (en) 2020-06-18
CN105580367B (zh) 2018-11-13
JP6548635B2 (ja) 2019-07-24
GB201317041D0 (en) 2013-11-06
US10958938B2 (en) 2021-03-23
AU2014326421B2 (en) 2019-04-04
MX366389B (es) 2019-07-08
RU2016115854A (ru) 2017-10-30
CN109451311A (zh) 2019-03-08
CA2923556C (en) 2021-11-23
US20160227252A1 (en) 2016-08-04
AU2014326421A1 (en) 2016-03-17
RU2018130348A3 (enExample) 2021-10-20
BR112016006042A2 (pt) 2017-08-01
US10575017B2 (en) 2020-02-25
JP2016532341A (ja) 2016-10-13
RU2760234C2 (ru) 2021-11-23

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)