KR20230056753A - Mmvd 시그널링 개선 - Google Patents

Mmvd 시그널링 개선 Download PDF

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KR20230056753A
KR20230056753A KR1020237010251A KR20237010251A KR20230056753A KR 20230056753 A KR20230056753 A KR 20230056753A KR 1020237010251 A KR1020237010251 A KR 1020237010251A KR 20237010251 A KR20237010251 A KR 20237010251A KR 20230056753 A KR20230056753 A KR 20230056753A
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mmvd
mode
picture
merge
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Korean (ko)
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샹 리
롄-페이 천
산 류
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텐센트 아메리카 엘엘씨
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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
    • H04N19/50—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
    • H04N19/513—Processing of 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
    • H04N19/10—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
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/136—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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    • H04N19/134—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
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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
    • H04N19/172—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/169—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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)
KR1020237010251A 2021-08-16 2022-08-16 Mmvd 시그널링 개선 Pending KR20230056753A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163233490P 2021-08-16 2021-08-16
US63/233,490 2021-08-16
US17/888,193 2022-08-15
US17/888,193 US11917165B2 (en) 2021-08-16 2022-08-15 MMVD signaling improvement
PCT/US2022/075014 WO2023023510A1 (en) 2021-08-16 2022-08-16 Mmvd signaling improvement

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KR20230056753A true KR20230056753A (ko) 2023-04-27

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US (2) US11917165B2 (https=)
EP (1) EP4201067A4 (https=)
JP (2) JP7502565B2 (https=)
KR (1) KR20230056753A (https=)
CN (2) CN118714345A (https=)
WO (1) WO2023023510A1 (https=)

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WO2025089813A1 (ko) * 2023-10-25 2025-05-01 인텔렉추얼디스커버리 주식회사 비디오 복호화 방법 및 장치, 및 비디오 부호화 방법 및 장치

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US12047583B2 (en) * 2021-06-25 2024-07-23 Qualcomm Incorporated Hybrid inter bi-prediction in video coding
US12568241B2 (en) * 2023-02-10 2026-03-03 Tencent America LLC Bi-prediction with CU level weight (BCW)

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WO2020056798A1 (zh) * 2018-09-21 2020-03-26 华为技术有限公司 一种视频编解码的方法与装置
JP7241870B2 (ja) * 2018-11-20 2023-03-17 北京字節跳動網絡技術有限公司 部分的な位置に基づく差分計算
WO2020143643A1 (en) * 2019-01-07 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Control method for merge with mvd
US11025936B2 (en) * 2019-01-25 2021-06-01 Tencent America LLC Method and apparatus for video coding
JP7232345B2 (ja) 2019-02-08 2023-03-02 ベイジン・ダジア・インターネット・インフォメーション・テクノロジー・カンパニー，リミテッド ビデオ符号化のための双方向オプティカルフローおよびデコーダ側動きベクトル補正を選択的に適用する方法およびデバイス
CN118612453A (zh) * 2019-02-14 2024-09-06 Lg 电子株式会社 基于dmvr的帧间预测方法和设备
SI3913921T1 (sl) * 2019-02-24 2025-04-30 Lg Electronics Inc. Postopek notranjega napovedovanja na podlagi DMVR-ja in naprava
ES2957801T3 (es) * 2019-03-12 2024-01-25 Lg Electronics Inc Método y dispositivo de inter predicción basándose en DMVR y BDOF
CN113678454B (zh) * 2019-03-15 2024-10-11 Lg电子株式会社 基于bdof的帧间预测方法和设备
KR102664876B1 (ko) 2019-03-22 2024-05-10 로즈데일 다이나믹스 엘엘씨 Dmvr 및 bdof 기반의 인터 예측 방법 및 장치
US11140409B2 (en) 2019-03-22 2021-10-05 Lg Electronics Inc. DMVR and BDOF based inter prediction method and apparatus thereof
CN113950840B (zh) * 2019-05-25 2025-07-29 北京字节跳动网络技术有限公司 帧内块复制编解码的块的Merge候选的约束
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JP2023011955A (ja) * 2019-12-03 2023-01-25 シャープ株式会社 動画像符号化装置、動画像復号装置
CN115362686B (zh) * 2020-03-31 2026-04-14 夏普株式会社 运动图像解码装置、运动图像编码装置、运动图像解码方法以及运动图像编码方法
JP7741795B2 (ja) * 2020-04-02 2025-09-18 シャープ株式会社 動画像復号装置、動画像復号方法及び動画像符号化装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025089813A1 (ko) * 2023-10-25 2025-05-01 인텔렉추얼디스커버리 주식회사 비디오 복호화 방법 및 장치, 및 비디오 부호화 방법 및 장치

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WO2023023510A1 (en) 2023-02-23
US12309392B2 (en) 2025-05-20
CN116762340A (zh) 2023-09-15
JP2023548573A (ja) 2023-11-17
US20240195983A1 (en) 2024-06-13
CN116762340B (zh) 2024-08-13
JP2024107165A (ja) 2024-08-08
US20230054289A1 (en) 2023-02-23
EP4201067A4 (en) 2024-02-28
US11917165B2 (en) 2024-02-27
JP7502565B2 (ja) 2024-06-18
CN118714345A (zh) 2024-09-27
EP4201067A1 (en) 2023-06-28

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