SG11202107547YA - Encoder, decoder and corresponding methods using dct2 enabled high level flag - Google Patents

Encoder, decoder and corresponding methods using dct2 enabled high level flag

Info

Publication number
SG11202107547YA
SG11202107547YA SG11202107547YA SG11202107547YA SG11202107547YA SG 11202107547Y A SG11202107547Y A SG 11202107547YA SG 11202107547Y A SG11202107547Y A SG 11202107547YA SG 11202107547Y A SG11202107547Y A SG 11202107547YA SG 11202107547Y A SG11202107547Y A SG 11202107547YA
Authority
SG
Singapore
Prior art keywords
dct2
decoder
encoder
high level
corresponding methods
Prior art date
Application number
SG11202107547YA
Other languages
English (en)
Inventor
Han Gao
Jianle Chen
Semih Esenlik
Anand Meher Kotra
Biao Wang
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202107547YA publication Critical patent/SG11202107547YA/en

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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
    • H04N19/12—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • 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
    • H04N19/134—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
    • 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
    • H04N19/179—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 scene or a shot
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202107547YA 2019-01-11 2020-01-11 Encoder, decoder and corresponding methods using dct2 enabled high level flag SG11202107547YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962791674P 2019-01-11 2019-01-11
PCT/CN2020/071591 WO2020143811A1 (en) 2019-01-11 2020-01-11 Encoder, decoder and corresponding methods using dct2 enabled high level flag

Publications (1)

Publication Number Publication Date
SG11202107547YA true SG11202107547YA (en) 2021-08-30

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SG11202107547YA SG11202107547YA (en) 2019-01-11 2020-01-11 Encoder, decoder and corresponding methods using dct2 enabled high level flag

Country Status (12)

Country Link
US (2) US11758137B2 (zh)
EP (1) EP3906680A4 (zh)
JP (2) JP7359343B2 (zh)
KR (1) KR20210107130A (zh)
CN (3) CN113411612B (zh)
AU (2) AU2020206492B2 (zh)
BR (1) BR112021013565A2 (zh)
CA (1) CA3126304A1 (zh)
MX (1) MX2021008408A (zh)
SG (1) SG11202107547YA (zh)
WO (1) WO2020143811A1 (zh)
ZA (1) ZA202104869B (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3126304A1 (en) * 2019-01-11 2020-07-16 Huawei Technologies Co., Ltd. Encoder, decoder and corresponding methods using dct2 enabled high level flag
WO2020145805A1 (ko) 2019-01-12 2020-07-16 주식회사 윌러스표준기술연구소 다중 변환 커널을 사용하는 비디오 신호 처리 방법 및 장치
CN113365057B (zh) * 2019-03-09 2023-02-28 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、解码端、编码端和系统

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BR122019027914B1 (pt) 2012-07-16 2021-06-08 Samsung Electronics Co., Ltd aparelho para uma decodificação de deslocamento adaptativo de amostra (sao), método de uma codificação de deslocamento adaptativo de amostra (sao), e aparelho para uma codificação de deslocamento adaptativo de amostra (sao)
US10623774B2 (en) * 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
WO2017173593A1 (en) * 2016-04-06 2017-10-12 Mediatek Singapore Pte. Ltd. Separate coding secondary transform syntax elements for different color components
CN114339229B (zh) * 2016-05-04 2024-04-12 夏普株式会社 用于对变换数据进行编码的系统和方法
US10887626B2 (en) * 2016-05-13 2021-01-05 Sharp Kabushiki Kaisha Image decoding device and image encoding device
WO2018021374A1 (ja) * 2016-07-29 2018-02-01 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 符号化装置、復号装置、符号化方法及び復号方法
US10750181B2 (en) * 2017-05-11 2020-08-18 Mediatek Inc. Method and apparatus of adaptive multiple transforms for video coding
RU2769944C1 (ru) * 2017-08-04 2022-04-11 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для конфигурирования преобразования для сжатия видео
US10986340B2 (en) * 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
JP2020053924A (ja) * 2018-09-28 2020-04-02 シャープ株式会社 動画像符号化装置、動画像復号装置
KR20220027281A (ko) * 2018-12-21 2022-03-07 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
CA3126304A1 (en) * 2019-01-11 2020-07-16 Huawei Technologies Co., Ltd. Encoder, decoder and corresponding methods using dct2 enabled high level flag

Also Published As

Publication number Publication date
JP2023162243A (ja) 2023-11-08
US11758137B2 (en) 2023-09-12
ZA202104869B (en) 2022-07-27
WO2020143811A1 (en) 2020-07-16
CN113411612B (zh) 2022-06-24
AU2024201127A1 (en) 2024-03-14
EP3906680A1 (en) 2021-11-10
CN113411613B (zh) 2022-06-28
EP3906680A4 (en) 2022-03-09
CN113411612A (zh) 2021-09-17
BR112021013565A2 (pt) 2021-09-21
US20230396765A1 (en) 2023-12-07
CN113411613A (zh) 2021-09-17
CA3126304A1 (en) 2020-07-16
US20210344920A1 (en) 2021-11-04
JP7359343B2 (ja) 2023-10-11
AU2020206492A1 (en) 2021-08-12
CN112956196A (zh) 2021-06-11
AU2020206492B2 (en) 2023-11-23
MX2021008408A (es) 2021-10-13
KR20210107130A (ko) 2021-08-31
JP2022516775A (ja) 2022-03-02

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