KR20220104041A - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치 Download PDF

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KR20220104041A
KR20220104041A KR1020227021511A KR20227021511A KR20220104041A KR 20220104041 A KR20220104041 A KR 20220104041A KR 1020227021511 A KR1020227021511 A KR 1020227021511A KR 20227021511 A KR20227021511 A KR 20227021511A KR 20220104041 A KR20220104041 A KR 20220104041A
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block
current block
resolution
motion vector
reduced
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세훈 예
신 자오
산 류
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텐센트 아메리카 엘엘씨
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    • H—ELECTRICITY
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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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—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
    • 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
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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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
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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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • H—ELECTRICITY
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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
    • H—ELECTRICITY
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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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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    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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    • 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
    • H04N19/51—Motion estimation or motion compensation
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
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    • 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
    • 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
    • H04N19/503—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
    • 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
    • H04N19/503—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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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227021511A 2021-01-14 2021-09-30 비디오 코딩을 위한 방법 및 장치 Pending KR20220104041A (ko)

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

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EP (1) EP4088474A4 (enExample)
JP (2) JP7462792B2 (enExample)
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CN (1) CN115398918A (enExample)
WO (1) WO2022154835A1 (enExample)

Cited By (1)

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WO2024215074A1 (ko) * 2023-04-10 2024-10-17 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체

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US11924408B2 (en) * 2021-01-14 2024-03-05 Tencent America LLC Method and apparatus for video coding
WO2022206928A1 (en) * 2021-04-01 2022-10-06 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
US12425616B2 (en) * 2022-11-15 2025-09-23 Tencent America LLC Scaled intra reference picture
WO2024132584A1 (en) * 2022-12-19 2024-06-27 Interdigital Ce Patent Holdings, Sas Enhanced residual data coding
US20250106407A1 (en) * 2023-09-22 2025-03-27 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
CN120378615A (zh) * 2024-01-24 2025-07-25 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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WO2006078454A1 (en) * 2005-01-14 2006-07-27 Thomson Licensing Method and apparatus for intra prediction for rru
AU2007318376B2 (en) 2006-11-09 2010-07-01 Lg Electronics Inc. Method and apparatus for decoding/encoding a video signal
US8514942B2 (en) 2008-12-31 2013-08-20 Entropic Communications, Inc. Low-resolution video coding content extraction
US9036714B2 (en) * 2009-01-26 2015-05-19 Thomson Licensing Frame packing for video coding
JP5911809B2 (ja) 2010-01-22 2016-04-27 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ サンプリングベースの超解像度ビデオ符号化および復号化方法並びに装置
CN111741310B (zh) * 2014-10-31 2024-03-19 三星电子株式会社 用于对运动矢量进行编码/解码的方法和装置
US10560718B2 (en) 2016-05-13 2020-02-11 Qualcomm Incorporated Merge candidates for motion vector prediction for video coding
WO2019197661A1 (en) 2018-04-13 2019-10-17 Koninklijke Kpn N.V. Frame-level super-resolution-based video coding
US11122288B2 (en) * 2018-12-06 2021-09-14 Qualcomm Incorporated Spatio-temporal motion vector prediction patterns for video coding
US11197025B2 (en) * 2019-06-21 2021-12-07 Qualcomm Incorporated Signaling of matrix intra prediction parameters in video coding
US12206855B2 (en) 2020-12-23 2025-01-21 Tencent America LLC Superresolution-based coding
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Publication number Priority date Publication date Assignee Title
WO2024215074A1 (ko) * 2023-04-10 2024-10-17 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체

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US20240155113A1 (en) 2024-05-09
JP7462792B2 (ja) 2024-04-05
EP4088474A1 (en) 2022-11-16
JP7697641B2 (ja) 2025-06-24
US12309359B2 (en) 2025-05-20
JP2024079781A (ja) 2024-06-11
CN115398918A (zh) 2022-11-25
EP4088474A4 (en) 2023-07-12
US20220224883A1 (en) 2022-07-14
JP2023520594A (ja) 2023-05-17
US11924408B2 (en) 2024-03-05

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