JP6548635B2 - データ符号化及び復号化 - Google Patents

データ符号化及び復号化 Download PDF

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Publication number
JP6548635B2
JP6548635B2 JP2016517463A JP2016517463A JP6548635B2 JP 6548635 B2 JP6548635 B2 JP 6548635B2 JP 2016517463 A JP2016517463 A JP 2016517463A JP 2016517463 A JP2016517463 A JP 2016517463A JP 6548635 B2 JP6548635 B2 JP 6548635B2
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array
video data
data values
scaling list
skip mode
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Japanese (ja)
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JP2016532341A5 (enExample
JP2016532341A (ja
Inventor
ジェームス アレキサンダー ガメイ
ジェームス アレキサンダー ガメイ
カール ジェームス シャーマン
カール ジェームス シャーマン
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Sony Europe BV United Kingdom Branch
Sony Corp
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Sony United Kingdom Ltd
Sony Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders 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)
JP2016517463A 2013-09-25 2014-09-24 データ符号化及び復号化 Active JP6548635B2 (ja)

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 (3)

Publication Number Publication Date
JP2016532341A JP2016532341A (ja) 2016-10-13
JP2016532341A5 JP2016532341A5 (enExample) 2017-10-05
JP6548635B2 true JP6548635B2 (ja) 2019-07-24

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JP2016517463A Active JP6548635B2 (ja) 2013-09-25 2014-09-24 データ符号化及び復号化

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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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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EP1569458A1 (en) * 2004-02-12 2005-08-31 Matsushita Electric Industrial Co., Ltd. Encoding and decoding of video images based on a non-linear quantization
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RU2007128067A (ru) * 2004-12-22 2009-01-27 Конинклейке Филипс Электроникс Н.В. (Nl) Масштабируемое кодирование
US20120128074A1 (en) * 2008-08-12 2012-05-24 Nokia Corporation Video coding using spatially varying transform
JP5686499B2 (ja) * 2009-01-22 2015-03-18 株式会社Nttドコモ 画像予測符号化装置、方法及びプログラム、画像予測復号装置、方法及びプログラム、並びに、符号化・復号システム及び方法
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US9854275B2 (en) 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding
GB2492333B (en) * 2011-06-27 2018-12-12 British Broadcasting Corp Video encoding and decoding using transforms
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WO2013058542A1 (ko) * 2011-10-17 2013-04-25 주식회사 케이티 영상 부호화/복호화 방법 및 그 장치
GB2496197A (en) * 2011-11-07 2013-05-08 Sony Corp Frequency Domain Video Data Reordering for Encoding
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TWI592011B (zh) 2012-06-29 2017-07-11 Sony Corp Image processing device and method
CN115052158A (zh) * 2012-07-02 2022-09-13 韩国电子通信研究院 视频编码/解码方法和非暂时性计算机可读记录介质
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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
AU2014326421B2 (en) 2019-04-04
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
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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