AU2014326421B2 - Data encoding and decoding - Google Patents

Data encoding and decoding Download PDF

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Publication number
AU2014326421B2
AU2014326421B2 AU2014326421A AU2014326421A AU2014326421B2 AU 2014326421 B2 AU2014326421 B2 AU 2014326421B2 AU 2014326421 A AU2014326421 A AU 2014326421A AU 2014326421 A AU2014326421 A AU 2014326421A AU 2014326421 B2 AU2014326421 B2 AU 2014326421B2
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Prior art keywords
array
data values
transform
video data
skip mode
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AU2014326421A
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AU2014326421A1 (en
Inventor
James Alexander GAMEI
Karl James Sharman
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Sony Corp
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Sony Corp
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    • 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
    • H04N19/103—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
    • H04N19/124—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
    • H04N19/129—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)
AU2014326421A 2013-09-25 2014-09-24 Data encoding and decoding Active AU2014326421B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1317041.0 2013-09-25
GB1317041.0A GB2518823A (en) 2013-09-25 2013-09-25 Data encoding and decoding
PCT/GB2014/052902 WO2015044660A1 (en) 2013-09-25 2014-09-24 Data encoding and decoding

Publications (2)

Publication Number Publication Date
AU2014326421A1 AU2014326421A1 (en) 2016-03-17
AU2014326421B2 true AU2014326421B2 (en) 2019-04-04

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AU2014326421A Active AU2014326421B2 (en) 2013-09-25 2014-09-24 Data encoding and decoding

Country Status (11)

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US (2) US10575017B2 (enExample)
EP (1) EP3036904B1 (enExample)
JP (1) JP6548635B2 (enExample)
CN (2) CN105580367B (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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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
US11445186B2 (en) 2016-11-25 2022-09-13 Kt Corporation Method and apparatus for processing video signal
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
US20220256151A1 (en) * 2019-08-23 2022-08-11 Sony Group Corporation Image processing device and method
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
CA2923556C (en) 2021-11-23
US10958938B2 (en) 2021-03-23
US10575017B2 (en) 2020-02-25
CA2923556A1 (en) 2015-04-02
RU2760234C2 (ru) 2021-11-23
US20200195971A1 (en) 2020-06-18
TW201517600A (zh) 2015-05-01
US20160227252A1 (en) 2016-08-04
GB201317041D0 (en) 2013-11-06
CN109451311B (zh) 2023-06-30
BR112016006042A2 (pt) 2017-08-01
EP3036904A1 (en) 2016-06-29
RU2018130348A3 (enExample) 2021-10-20
GB2518823A (en) 2015-04-08
MX366389B (es) 2019-07-08
RU2018130348A (ru) 2019-03-15
RU2665309C2 (ru) 2018-08-28
JP2016532341A (ja) 2016-10-13
JP6548635B2 (ja) 2019-07-24
TWI650012B (zh) 2019-02-01
MX2016003402A (es) 2016-06-30
AU2014326421A1 (en) 2016-03-17
EP3036904B1 (en) 2020-01-15
CN109451311A (zh) 2019-03-08
CN105580367B (zh) 2018-11-13
RU2016115854A (ru) 2017-10-30
WO2015044660A1 (en) 2015-04-02

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