KR20240127485A - 비디오 디코딩 방법, 비디오 코딩 방법, 디바이스 및 장치, 저장 매체 - Google Patents

비디오 디코딩 방법, 비디오 코딩 방법, 디바이스 및 장치, 저장 매체 Download PDF

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KR20240127485A
KR20240127485A KR1020247026780A KR20247026780A KR20240127485A KR 20240127485 A KR20240127485 A KR 20240127485A KR 1020247026780 A KR1020247026780 A KR 1020247026780A KR 20247026780 A KR20247026780 A KR 20247026780A KR 20240127485 A KR20240127485 A KR 20240127485A
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luma
size
chroma
valid
video
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훙빈 장
샹 리
구이춘 리
산 류
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텐센트 테크놀로지(센젠) 컴퍼니 리미티드
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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
    • H04N19/10—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
    • 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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/10—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/90—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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020247026780A 2019-12-18 2020-12-08 비디오 디코딩 방법, 비디오 코딩 방법, 디바이스 및 장치, 저장 매체 Pending KR20240127485A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201911309768.6A CN111050171B (zh) 2019-12-18 2019-12-18 视频解码方法、装置、设备及存储介质
CN201911309768.6 2019-12-18
PCT/CN2020/134581 WO2021121080A1 (zh) 2019-12-18 2020-12-08 视频解码方法、视频编码方法、装置、设备及存储介质
KR1020227008146A KR102695010B1 (ko) 2019-12-18 2020-12-08 비디오 디코딩 방법, 비디오 코딩 방법, 디바이스 및 장치, 저장 매체

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KR1020227008146A Active KR102695010B1 (ko) 2019-12-18 2020-12-08 비디오 디코딩 방법, 비디오 코딩 방법, 디바이스 및 장치, 저장 매체

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US (2) US12034950B2 (https=)
EP (1) EP3975558A4 (https=)
JP (2) JP7744023B2 (https=)
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CN (2) CN111050171B (https=)
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CN114731405A (zh) * 2019-09-23 2022-07-08 Lg电子株式会社 使用量化矩阵的图像编码/解码方法和设备以及发送比特流的方法
CN111050171B (zh) 2019-12-18 2022-10-11 腾讯科技（深圳）有限公司 视频解码方法、装置、设备及存储介质
CN111147858B (zh) 2019-12-31 2024-02-27 腾讯科技（深圳）有限公司 视频解码方法、装置、设备及存储介质
CN115552900B (zh) * 2020-02-21 2025-12-23 阿里巴巴（中国）有限公司 用信号通知最大变换大小和残差编码的方法
AU2020203330B2 (en) * 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
WO2025212860A1 (en) * 2024-04-03 2025-10-09 Bytedance Inc. Method, apparatus, and medium for video processing

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US8588295B2 (en) * 2009-03-09 2013-11-19 Mediatek Inc. Methods and electronic devices for quantization and de-quantization
JP2010288166A (ja) * 2009-06-15 2010-12-24 Panasonic Corp 動画像符号化装置、放送波記録装置及び、プログラム
EA021750B1 (ru) * 2009-10-30 2015-08-31 Панасоник Интеллекчуал Проперти Корпорэйшн оф Америка Способ декодирования, декодирующее устройство, способ кодирования и кодирующее устройство
MY169660A (en) * 2011-02-10 2019-04-26 Velos Media Int Ltd Image processing device and image processing method
WO2012134046A2 (ko) * 2011-04-01 2012-10-04 주식회사 아이벡스피티홀딩스 동영상의 부호화 방법
JP5815853B2 (ja) * 2011-08-23 2015-11-17 メディア テック シンガポール ピーティーイー．リミテッド ビデオコーディングにおける量子化マトリクスに従うトランスフォームブロック処理の方法及びシステム
KR101627085B1 (ko) * 2012-01-20 2016-06-03 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
JPWO2013154028A1 (ja) * 2012-04-13 2015-12-17 ソニー株式会社 画像処理装置および方法
WO2013158669A1 (en) * 2012-04-16 2013-10-24 Huawei Technologies Co., Ltd. Method and apparatus of quantization matrix coding
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CN111050171B (zh) 2022-10-11
JP7744023B2 (ja) 2025-09-25
US12382077B2 (en) 2025-08-05
US20220046260A1 (en) 2022-02-10
CN115720265A (zh) 2023-02-28
CN115720265B (zh) 2024-08-09
WO2021121080A1 (zh) 2021-06-24
KR102695010B1 (ko) 2024-08-12
US20240305804A1 (en) 2024-09-12
KR20220044352A (ko) 2022-04-07
EP3975558A4 (en) 2023-04-19
EP3975558A1 (en) 2022-03-30
US12034950B2 (en) 2024-07-09
JP2022548354A (ja) 2022-11-18
CN111050171A (zh) 2020-04-21
JP2024138096A (ja) 2024-10-07

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