CN115428024A - 解耦变换分割技术 - Google Patents

解耦变换分割技术 Download PDF

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Publication number
CN115428024A
CN115428024A CN202280003444.3A CN202280003444A CN115428024A CN 115428024 A CN115428024 A CN 115428024A CN 202280003444 A CN202280003444 A CN 202280003444A CN 115428024 A CN115428024 A CN 115428024A
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China
Prior art keywords
chroma
block
coding block
luma
blocks
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Pending
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CN202280003444.3A
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English (en)
Chinese (zh)
Inventor
赵欣
赵亮
马杜·柏林加色·克里什南
刘杉
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Tencent America LLC
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Tencent America LLC
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Publication of CN115428024A publication Critical patent/CN115428024A/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/13—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
    • H04N19/17—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
    • H04N19/50—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
    • 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
    • H04N19/90—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202280003444.3A 2021-03-05 2022-01-18 解耦变换分割技术 Pending CN115428024A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163157516P 2021-03-05 2021-03-05
US63/157,516 2021-03-05
US17/564,566 2021-12-29
US17/564,566 US12382037B2 (en) 2021-03-05 2021-12-29 Decoupled transform partitioning
PCT/US2022/012738 WO2022186907A1 (en) 2021-03-05 2022-01-18 Decoupled transform partitioning

Publications (1)

Publication Number Publication Date
CN115428024A true CN115428024A (zh) 2022-12-02

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Family Applications (1)

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CN202280003444.3A Pending CN115428024A (zh) 2021-03-05 2022-01-18 解耦变换分割技术

Country Status (6)

Country Link
US (1) US12382037B2 (enExample)
EP (1) EP4100920A4 (enExample)
JP (2) JP7478253B2 (enExample)
KR (1) KR102706586B1 (enExample)
CN (1) CN115428024A (enExample)
WO (1) WO2022186907A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119895856A (zh) * 2022-09-15 2025-04-25 现代自动车株式会社 用于在一个块中自适应地使用单树和双树的视频编码的方法和装置
US20250280121A1 (en) * 2024-03-01 2025-09-04 Tencent America LLC Systems and methods for enhanced semi decoupled partitioning

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2505408A (en) * 2012-08-24 2014-03-05 British Broadcasting Corp Video Encoding and Decoding with Chrominance Sub-sampling
US9491460B2 (en) 2013-03-29 2016-11-08 Qualcomm Incorporated Bandwidth reduction for video coding prediction
EP3061233B1 (en) 2013-10-25 2019-12-11 Microsoft Technology Licensing, LLC Representing blocks with hash values in video and image coding and decoding
WO2016074147A1 (en) 2014-11-11 2016-05-19 Mediatek Singapore Pte. Ltd. Separated coding tree for luma and chroma
WO2016090568A1 (en) 2014-12-10 2016-06-16 Mediatek Singapore Pte. Ltd. Binary tree block partitioning structure
BR112018015558A2 (pt) 2016-02-11 2018-12-26 Thomson Licensing método e dispositivo para codificar/decodificar uma unidade de imagem que compreende dados de imagem representados por um canal de luminância e pelo menos um canal de crominância
US20170244964A1 (en) 2016-02-23 2017-08-24 Mediatek Inc. Method and Apparatus of Flexible Block Partition for Video Coding
EP3577899A4 (en) * 2017-01-31 2020-06-17 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR SCALING TRANSFORMATION COEFFICIENT LEVELS
CN112055964B (zh) 2018-04-30 2022-06-07 寰发股份有限公司 用于视频编解码中的独立编码树的语法交错方法和装置
KR20210015810A (ko) 2018-05-29 2021-02-10 인터디지털 브이씨 홀딩스 인코포레이티드 부분적으로 공유된 루마 및 크로마 코딩 트리들을 이용한 비디오 인코딩 및 디코딩을 위한 방법 및 장치
US11671595B2 (en) * 2019-03-12 2023-06-06 Qualcomm Incorporated Reconstruction of blocks of video data using block size restriction
US11418787B2 (en) * 2019-06-28 2022-08-16 Qualcomm Incorporated Chroma delta QP in video coding
WO2021023261A1 (en) * 2019-08-06 2021-02-11 Beijing Bytedance Network Technology Co., Ltd. Size restriction based on color format

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Publication number Publication date
JP2024096982A (ja) 2024-07-17
EP4100920A4 (en) 2023-06-21
KR20220160667A (ko) 2022-12-06
KR102706586B1 (ko) 2024-09-12
EP4100920A1 (en) 2022-12-14
US12382037B2 (en) 2025-08-05
JP2023522354A (ja) 2023-05-30
JP7747408B2 (ja) 2025-10-01
US20220286675A1 (en) 2022-09-08
WO2022186907A1 (en) 2022-09-09
JP7478253B2 (ja) 2024-05-02

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