JP7478253B2 - デカップリング変換パーティション分割 - Google Patents

デカップリング変換パーティション分割 Download PDF

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JP7478253B2
JP7478253B2 JP2022563423A JP2022563423A JP7478253B2 JP 7478253 B2 JP7478253 B2 JP 7478253B2 JP 2022563423 A JP2022563423 A JP 2022563423A JP 2022563423 A JP2022563423 A JP 2022563423A JP 7478253 B2 JP7478253 B2 JP 7478253B2
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chroma
partitioning
luma
coding block
block
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JP2023522354A (ja
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ジャオ，シン
ジャオ，リアン
マドゥ ペリンガセリー，クリシュナン
リウ，シャン
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Tencent America LLC
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Tencent America LLC
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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)
JP2022563423A 2021-03-05 2022-01-18 デカップリング変換パーティション分割 Active JP7478253B2 (ja)

Priority Applications (1)

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JP2024067913A JP7747408B2 (ja) 2021-03-05 2024-04-19 デカップリング変換パーティション分割

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

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JP7478253B2 true JP7478253B2 (ja) 2024-05-02

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EP (1) EP4100920A4 (enExample)
JP (2) JP7478253B2 (enExample)
KR (1) KR102706586B1 (enExample)
CN (1) CN115428024A (enExample)
WO (1) WO2022186907A1 (enExample)

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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

Citations (7)

* 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
WO2017137311A1 (en) 2016-02-11 2017-08-17 Thomson Licensing Method and device for encoding/decoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel
US20170244964A1 (en) 2016-02-23 2017-08-24 Mediatek Inc. Method and Apparatus of Flexible Block Partition for Video Coding
US20180288446A1 (en) 2014-11-11 2018-10-04 Mediatek Singapore Pte. Ltd. Method of Video Coding Using Separate Coding Tree for Luma and Chroma
WO2019210857A1 (en) 2018-04-30 2019-11-07 Mediatek Inc. Method and apparatus of syntax interleaving for separate coding tree in video coding
WO2019231751A1 (en) 2018-05-29 2019-12-05 Interdigital Vc Holdings, Inc. Method and apparatus for video encoding and decoding with partially shared luma and chroma coding trees
US20200296367A1 (en) 2019-03-12 2020-09-17 Qualcomm Incorporated Reconstruction of blocks of video data using block size restriction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2016090568A1 (en) 2014-12-10 2016-06-16 Mediatek Singapore Pte. Ltd. Binary tree block partitioning structure
EP3577899A4 (en) * 2017-01-31 2020-06-17 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR SCALING TRANSFORMATION COEFFICIENT LEVELS
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

Patent Citations (7)

* 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
US20180288446A1 (en) 2014-11-11 2018-10-04 Mediatek Singapore Pte. Ltd. Method of Video Coding Using Separate Coding Tree for Luma and Chroma
WO2017137311A1 (en) 2016-02-11 2017-08-17 Thomson Licensing Method and device for encoding/decoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel
US20170244964A1 (en) 2016-02-23 2017-08-24 Mediatek Inc. Method and Apparatus of Flexible Block Partition for Video Coding
WO2019210857A1 (en) 2018-04-30 2019-11-07 Mediatek Inc. Method and apparatus of syntax interleaving for separate coding tree in video coding
WO2019231751A1 (en) 2018-05-29 2019-12-05 Interdigital Vc Holdings, Inc. Method and apparatus for video encoding and decoding with partially shared luma and chroma coding trees
US20200296367A1 (en) 2019-03-12 2020-09-17 Qualcomm Incorporated Reconstruction of blocks of video data using block size restriction

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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
CN115428024A (zh) 2022-12-02
JP2023522354A (ja) 2023-05-30
JP7747408B2 (ja) 2025-10-01
US20220286675A1 (en) 2022-09-08
WO2022186907A1 (en) 2022-09-09

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