BR112021012462A2 - Dispositivo e método de codificação de vídeo - Google Patents

Dispositivo e método de codificação de vídeo Download PDF

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Publication number
BR112021012462A2
BR112021012462A2 BR112021012462-4A BR112021012462A BR112021012462A2 BR 112021012462 A2 BR112021012462 A2 BR 112021012462A2 BR 112021012462 A BR112021012462 A BR 112021012462A BR 112021012462 A2 BR112021012462 A2 BR 112021012462A2
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BR
Brazil
Prior art keywords
hmvp
list
candidate
motion
prediction
Prior art date
Application number
BR112021012462-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Xiaoyu Xiu
Yuwen He
Jiancong Luo
Original Assignee
Vid Scale, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vid Scale, Inc. filed Critical Vid Scale, Inc.
Publication of BR112021012462A2 publication Critical patent/BR112021012462A2/pt

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Classifications

    • 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
    • H04N19/50—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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/119—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
    • H04N19/134—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
    • H04N19/50—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112021012462-4A 2018-12-29 2019-12-19 Dispositivo e método de codificação de vídeo BR112021012462A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862786429P 2018-12-29 2018-12-29
US62/786,429 2018-12-29
PCT/US2019/067639 WO2020139717A1 (en) 2018-12-29 2019-12-19 History-based motion vector prediction

Publications (1)

Publication Number Publication Date
BR112021012462A2 true BR112021012462A2 (pt) 2021-09-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021012462-4A BR112021012462A2 (pt) 2018-12-29 2019-12-19 Dispositivo e método de codificação de vídeo

Country Status (8)

Country Link
US (3) US20220078406A1 (https=)
EP (1) EP3903496A1 (https=)
JP (2) JP2022516091A (https=)
KR (2) KR20210118068A (https=)
CN (3) CN119211577A (https=)
BR (1) BR112021012462A2 (https=)
TW (2) TW202510582A (https=)
WO (1) WO2020139717A1 (https=)

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JP7308428B2 (ja) * 2019-03-08 2023-07-14 合同会社ＩＰ Ｂｒｉｄｇｅ１号 画像符号化装置、画像符号化方法及び画像符号化プログラム
US12160574B2 (en) * 2021-06-15 2024-12-03 Qualcomm Incorporated Motion vector candidate construction for geometric partitioning mode in video coding
WO2023198075A1 (en) * 2022-04-13 2023-10-19 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing
CN119234421A (zh) * 2022-06-23 2024-12-31 联发科技股份有限公司 使用多个基于历史的运动向量预测表进行视频编解码的方法和装置

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WO2011095259A1 (en) 2010-02-05 2011-08-11 Telefonaktiebolaget L M Ericsson (Publ) Selecting predicted motion vector candidates
KR101630688B1 (ko) * 2010-02-17 2016-06-16 삼성전자주식회사 움직임 예측 장치 및 방법과 영상 처리 장치
WO2013077659A1 (ko) * 2011-11-24 2013-05-30 에스케이텔레콤 주식회사 모션 벡터의 예측 부호화/복호화 방법 및 장치
US9503720B2 (en) 2012-03-16 2016-11-22 Qualcomm Incorporated Motion vector coding and bi-prediction in HEVC and its extensions
US9479778B2 (en) * 2012-08-13 2016-10-25 Qualcomm Incorporated Device and method for coding video information using base layer motion vector candidate
US20140071235A1 (en) 2012-09-13 2014-03-13 Qualcomm Incorporated Inter-view motion prediction for 3d video
US9357214B2 (en) * 2012-12-07 2016-05-31 Qualcomm Incorporated Advanced merge/skip mode and advanced motion vector prediction (AMVP) mode for 3D video
US11477477B2 (en) 2015-01-26 2022-10-18 Qualcomm Incorporated Sub-prediction unit based advanced temporal motion vector prediction
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
KR20250142932A (ko) 2018-08-10 2025-09-30 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 처리 방법, 비디오 처리 장치, 인코더, 디코더, 매체 및 컴퓨터 프로그램
CN117459721A (zh) * 2018-10-24 2024-01-26 华为技术有限公司 视频编解码器和方法
KR102711166B1 (ko) * 2018-11-06 2024-09-30 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 모션 정보의 위치 의존적 저장
DK3876539T3 (da) * 2018-11-08 2024-02-12 Guangdong Oppo Mobile Telecommunications Corp Ltd Fremgangsmåde til kodning/afkodning af et billedsignal og tilknyttet apparat
SG11202105354YA (en) * 2018-11-22 2021-06-29 Huawei Tech Co Ltd An encoder, a decoder and corresponding methods for inter prediction
US10778977B2 (en) * 2018-12-05 2020-09-15 Qualcomm Incorporated Triangle motion information for video coding
US11394989B2 (en) * 2018-12-10 2022-07-19 Tencent America LLC Method and apparatus for video coding
US11876957B2 (en) * 2018-12-18 2024-01-16 Lg Electronics Inc. Method and apparatus for processing video data
US10855992B2 (en) * 2018-12-20 2020-12-01 Alibaba Group Holding Limited On block level bi-prediction with weighted averaging
GB2580084B (en) * 2018-12-20 2022-12-28 Canon Kk Video coding and decoding
GB2580326A (en) * 2018-12-28 2020-07-22 British Broadcasting Corp Video encoding and video decoding

Also Published As

Publication number Publication date
US12244791B2 (en) 2025-03-04
CN119211577A (zh) 2024-12-27
JP2025111454A (ja) 2025-07-30
WO2020139717A8 (en) 2021-08-05
KR20250113522A (ko) 2025-07-25
TWI859177B (zh) 2024-10-21
WO2020139717A1 (en) 2020-07-02
CN119155461A (zh) 2024-12-17
EP3903496A1 (en) 2021-11-03
US20240089427A1 (en) 2024-03-14
CN113316936A (zh) 2021-08-27
TW202510582A (zh) 2025-03-01
JP7846812B2 (ja) 2026-04-15
US20250159142A1 (en) 2025-05-15
US20220078406A1 (en) 2022-03-10
JP2022516091A (ja) 2022-02-24
KR20210118068A (ko) 2021-09-29
TW202032986A (zh) 2020-09-01

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