CN115398918A - 用于视频编码的方法和装置 - Google Patents

用于视频编码的方法和装置 Download PDF

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CN115398918A
CN115398918A CN202180027161.8A CN202180027161A CN115398918A CN 115398918 A CN115398918 A CN 115398918A CN 202180027161 A CN202180027161 A CN 202180027161A CN 115398918 A CN115398918 A CN 115398918A
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block
current block
motion vector
resolution
video
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芮世薰
赵欣
刘杉
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Tencent America LLC
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Tencent America LLC
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    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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    • 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
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    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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    • 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
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    • H04N19/184—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 bits, e.g. of the compressed video stream
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    • 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
    • H04N19/19—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 using optimisation based on Lagrange multipliers
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    • 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
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    • 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
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    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
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    • 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
    • H04N19/527—Global motion vector estimation
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    • 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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202180027161.8A 2021-01-14 2021-09-30 用于视频编码的方法和装置 Pending CN115398918A (zh)

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US202163137350P 2021-01-14 2021-01-14
US63/137,350 2021-01-14
US17/488,027 2021-09-28
US17/488,027 US11924408B2 (en) 2021-01-14 2021-09-28 Method and apparatus for video coding
PCT/US2021/052967 WO2022154835A1 (en) 2021-01-14 2021-09-30 Method and apparatus for video coding

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EP (1) EP4088474B1 (https=)
JP (2) JP7462792B2 (https=)
KR (1) KR102937158B1 (https=)
CN (1) CN115398918A (https=)
WO (1) WO2022154835A1 (https=)

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CN118803254A (zh) * 2024-02-01 2024-10-18 中移（杭州）信息技术有限公司 一种帧内降采样解码方法、设备及存储介质
WO2025156925A1 (zh) * 2024-01-24 2025-07-31 华为技术有限公司 一种编解码方法及装置

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US11924408B2 (en) * 2021-01-14 2024-03-05 Tencent America LLC Method and apparatus for video coding
CN117242479A (zh) * 2021-04-01 2023-12-15 北京字节跳动网络技术有限公司 用于视频处理的方法、装置和介质
US12425616B2 (en) * 2022-11-15 2025-09-23 Tencent America LLC Scaled intra reference picture
CN120419179A (zh) * 2022-12-19 2025-08-01 交互数字Ce专利控股有限公司 增强型残差数据编码
WO2024215074A1 (ko) * 2023-04-10 2024-10-17 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체
US12537964B2 (en) * 2023-09-22 2026-01-27 Tencent America LLC Block level adaptive weighted prediction with multiple scaling factors
US20250211754A1 (en) * 2023-12-20 2025-06-26 Tencent America Llc. Systems and methods for decoder-side motion vector refinement subsampling

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JP2009540666A (ja) * 2006-11-09 2009-11-19 エルジー エレクトロニクス インコーポレイティド ビデオ信号のデコーディング／エンコーディング方法及び装置
US8514942B2 (en) 2008-12-31 2013-08-20 Entropic Communications, Inc. Low-resolution video coding content extraction
AU2010206977B2 (en) * 2009-01-26 2016-02-25 Interdigital Vc Holdings, Inc. Frame packing for video coding
KR101789845B1 (ko) 2010-01-22 2017-11-20 톰슨 라이센싱 샘플링 기반 초 해상도 비디오 인코딩 및 디코딩을 위한 방법 및 장치
KR102647887B1 (ko) * 2014-10-31 2024-03-14 삼성전자주식회사 움직임 벡터 부복호화 방법 및 장치
US10560718B2 (en) * 2016-05-13 2020-02-11 Qualcomm Incorporated Merge candidates for motion vector prediction for video coding
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WO2025156925A1 (zh) * 2024-01-24 2025-07-31 华为技术有限公司 一种编解码方法及装置
CN118803254A (zh) * 2024-02-01 2024-10-18 中移（杭州）信息技术有限公司 一种帧内降采样解码方法、设备及存储介质

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JP7462792B2 (ja) 2024-04-05
US20240155113A1 (en) 2024-05-09
EP4088474B1 (en) 2026-04-15
EP4088474A1 (en) 2022-11-16
KR20220104041A (ko) 2022-07-25
WO2022154835A1 (en) 2022-07-21
JP2024079781A (ja) 2024-06-11
EP4088474A4 (en) 2023-07-12
US20220224883A1 (en) 2022-07-14
JP7697641B2 (ja) 2025-06-24
US12309359B2 (en) 2025-05-20
US11924408B2 (en) 2024-03-05
JP2023520594A (ja) 2023-05-17

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