KR102706586B1 - 분리된 변환 분할 - Google Patents

분리된 변환 분할 Download PDF

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Publication number
KR102706586B1
KR102706586B1 KR1020227037833A KR20227037833A KR102706586B1 KR 102706586 B1 KR102706586 B1 KR 102706586B1 KR 1020227037833 A KR1020227037833 A KR 1020227037833A KR 20227037833 A KR20227037833 A KR 20227037833A KR 102706586 B1 KR102706586 B1 KR 102706586B1
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South Korea
Prior art keywords
chroma
block
transform
luma
coding
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Korean (ko)
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KR20220160667A (ko
Inventor
신 자오
량 자오
크리슈난 마두 페링가세리
샨 리우
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텐센트 아메리카 엘엘씨
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Classifications

    • 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

Landscapes

  • 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)
KR1020227037833A 2021-03-05 2022-01-18 분리된 변환 분할 Active KR102706586B1 (ko)

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 (2)

Publication Number Publication Date
KR20220160667A KR20220160667A (ko) 2022-12-06
KR102706586B1 true KR102706586B1 (ko) 2024-09-12

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Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20260075199A1 (en) * 2022-09-15 2026-03-12 Hyundai Motor Company Method and apparatus for video coding that adaptively uses single tree and dual tree in one block
US12556732B2 (en) * 2023-11-27 2026-02-17 Tencent America LLC Systems and methods for transform partitioning in a recursive intra region
US20250280121A1 (en) * 2024-03-01 2025-09-04 Tencent America LLC Systems and methods for enhanced semi decoupled partitioning

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (11)

* 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
KR102197505B1 (ko) 2013-10-25 2020-12-31 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩에서의 해시 값을 갖는 블록의 표현
WO2016090568A1 (en) 2014-12-10 2016-06-16 Mediatek Singapore Pte. Ltd. Binary tree block partitioning structure
CN115052152B (zh) * 2016-02-11 2025-11-25 交互数字Vc控股公司 用于对图像单元进行编码/解码的方法和设备
US20170244964A1 (en) 2016-02-23 2017-08-24 Mediatek Inc. Method and Apparatus of Flexible Block Partition for Video Coding
WO2018142823A1 (en) * 2017-01-31 2018-08-09 Sharp Kabushiki Kaisha Systems and methods for scaling transform coefficient level values
PL3804314T3 (pl) * 2018-05-29 2024-05-20 Interdigital Vc Holdings, Inc. Sposób i urządzenie do kodowania i dekodowania wideo z częściowo współdzielonymi drzewami kodowania luma i chroma
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
BR112022002006A2 (pt) * 2019-08-06 2022-03-29 Beijing Bytedance Network Tech Co Ltd Método de processamento de vídeo, aparelho de processamento de vídeo, e, mídia legível por computador

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
EP4100920A4 (en) 2023-06-21
JP7478253B2 (ja) 2024-05-02
KR20220160667A (ko) 2022-12-06
US20220286675A1 (en) 2022-09-08
JP2024096982A (ja) 2024-07-17
US12382037B2 (en) 2025-08-05
JP7747408B2 (ja) 2025-10-01
WO2022186907A1 (en) 2022-09-09
JP2023522354A (ja) 2023-05-30
CN115428024A (zh) 2022-12-02
EP4100920A1 (en) 2022-12-14

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