SG11202111094YA - Encoder, decoder, encoding method, and decoding method - Google Patents

Encoder, decoder, encoding method, and decoding method

Info

Publication number
SG11202111094YA
SG11202111094YA SG11202111094YA SG11202111094YA SG11202111094YA SG 11202111094Y A SG11202111094Y A SG 11202111094YA SG 11202111094Y A SG11202111094Y A SG 11202111094YA SG 11202111094Y A SG11202111094Y A SG 11202111094YA SG 11202111094Y A SG11202111094Y A SG 11202111094YA
Authority
SG
Singapore
Prior art keywords
decoder
encoder
decoding
encoding
encoding method
Prior art date
Application number
SG11202111094YA
Other languages
English (en)
Inventor
Tadamasa Toma
Takahiro Nishi
Kiyofumi Abe
Yusuke Kato
Original Assignee
Panasonic Ip Corp America
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 Panasonic Ip Corp America filed Critical Panasonic Ip Corp America
Publication of SG11202111094YA publication Critical patent/SG11202111094YA/en

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
    • H04N19/102—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
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/17—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
    • H04N19/10—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/10—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
    • H04N19/60—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

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)
SG11202111094YA 2019-04-16 2020-04-16 Encoder, decoder, encoding method, and decoding method SG11202111094YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962834715P 2019-04-16 2019-04-16
PCT/JP2020/016704 WO2020213677A1 (ja) 2019-04-16 2020-04-16 符号化装置、復号装置、符号化方法及び復号方法

Publications (1)

Publication Number Publication Date
SG11202111094YA true SG11202111094YA (en) 2021-11-29

Family

ID=72837283

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202111094YA SG11202111094YA (en) 2019-04-16 2020-04-16 Encoder, decoder, encoding method, and decoding method

Country Status (11)

Country Link
US (1) US12075052B2 (pt)
EP (1) EP3958561A4 (pt)
JP (3) JP7214846B2 (pt)
KR (1) KR20210145762A (pt)
CN (5) CN117834871A (pt)
AU (1) AU2020259889A1 (pt)
BR (1) BR112021017420A2 (pt)
CA (1) CA3135146A1 (pt)
MX (1) MX2021012063A (pt)
SG (1) SG11202111094YA (pt)
WO (1) WO2020213677A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113853797B (zh) * 2019-04-16 2024-03-22 Lg电子株式会社 使用变换索引的图像编码
ES2969115T3 (es) * 2019-04-16 2024-05-16 Lg Electronics Inc Transformada para intra-predicción basada en matriz en codificación de imágenes
AU2020259542A1 (en) 2019-04-17 2021-09-16 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods harmonizing matrix-based intra prediction and secondary transform core selection
KR20210136157A (ko) * 2019-05-08 2021-11-16 엘지전자 주식회사 Mip 및 lfnst를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
KR20210158387A (ko) * 2019-06-13 2021-12-30 엘지전자 주식회사 단순화된 mpm 리스트 생성 방법을 활용하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
BR112021026284A2 (pt) * 2019-06-25 2022-03-03 Fraunhofer Ges Forschung Aparelho para decodificar ou codificar um bloco predeterminado de uma imagem, métodos e fluxo de dados
US11943478B2 (en) * 2019-09-19 2024-03-26 Telefonaktiebolaget Lm Ericsson (Publ) Allowing a matrix based intra prediction block to have multiple transform blocks
GB2588406B (en) * 2019-10-22 2022-12-07 British Broadcasting Corp Video encoding and video decoding

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2437499A4 (en) * 2009-05-29 2013-01-23 Mitsubishi Electric Corp ENCODER AND VIDEO DECODER, VIDEO ENCODING AND DECODING METHOD
WO2011083573A1 (ja) * 2010-01-07 2011-07-14 株式会社 東芝 動画像符号化装置及び動画像復号化装置
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US10277896B2 (en) * 2016-01-22 2019-04-30 Apple Inc. Intra-frame prediction systems and methods
CN117014631A (zh) * 2017-04-27 2023-11-07 松下电器（美国）知识产权公司 解码装置、编码装置以及非暂时性记录介质
JP2019017066A (ja) * 2017-07-03 2019-01-31 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置、符号化方法及び復号方法
TWI794129B (zh) * 2017-07-13 2023-02-21 美商松下電器（美國）知識產權公司 編碼裝置、編碼方法、解碼裝置、解碼方法及電腦可讀取之非暫時性媒體
EP3935854A4 (en) * 2019-04-12 2022-06-01 Beijing Bytedance Network Technology Co., Ltd. CHROMINANCE CODING MODE DETERMINATION BASED ON MATRIX-BASED INTRA PREDICTION

Also Published As

Publication number Publication date
EP3958561A1 (en) 2022-02-23
JP7389283B2 (ja) 2023-11-29
JP2023033537A (ja) 2023-03-10
CN113678443B (zh) 2024-01-19
AU2020259889A1 (en) 2021-11-11
CN113678443A (zh) 2021-11-19
CN117834871A (zh) 2024-04-05
US12075052B2 (en) 2024-08-27
JP2024003226A (ja) 2024-01-11
CN117896523A (zh) 2024-04-16
US20220030242A1 (en) 2022-01-27
JP7214846B2 (ja) 2023-01-30
MX2021012063A (es) 2021-11-03
CA3135146A1 (en) 2020-10-22
BR112021017420A2 (pt) 2022-02-01
EP3958561A4 (en) 2022-08-10
CN117834872A (zh) 2024-04-05
JP7540066B2 (ja) 2024-08-26
WO2020213677A1 (ja) 2020-10-22
JPWO2020213677A1 (pt) 2020-10-22
KR20210145762A (ko) 2021-12-02
CN117834873A (zh) 2024-04-05

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