PT3861743T - Decodificador de vídeo e métodos - Google Patents

Decodificador de vídeo e métodos

Info

Publication number
PT3861743T
PT3861743T PT198770778T PT19877077T PT3861743T PT 3861743 T PT3861743 T PT 3861743T PT 198770778 T PT198770778 T PT 198770778T PT 19877077 T PT19877077 T PT 19877077T PT 3861743 T PT3861743 T PT 3861743T
Authority
PT
Portugal
Prior art keywords
methods
video decoder
decoder
video
Prior art date
Application number
PT198770778T
Other languages
English (en)
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of PT3861743T publication Critical patent/PT3861743T/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PT198770778T 2018-10-24 2019-10-24 Decodificador de vídeo e métodos PT3861743T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862750250P 2018-10-24 2018-10-24
US201962909761P 2019-10-02 2019-10-02

Publications (1)

Publication Number Publication Date
PT3861743T true PT3861743T (pt) 2024-02-29

Family

ID=70330527

Family Applications (1)

Application Number Title Priority Date Filing Date
PT198770778T PT3861743T (pt) 2018-10-24 2019-10-24 Decodificador de vídeo e métodos

Country Status (14)

Country Link
US (2) US11765383B2 (pt)
EP (2) EP4333434A1 (pt)
JP (2) JP7395580B2 (pt)
KR (1) KR20210072098A (pt)
CN (6) CN117459721A (pt)
AU (1) AU2019364883B2 (pt)
BR (1) BR112021007592A2 (pt)
CA (1) CA3117482A1 (pt)
CL (1) CL2021001047A1 (pt)
MX (1) MX2021004733A (pt)
NZ (1) NZ775539A (pt)
PL (1) PL3861743T3 (pt)
PT (1) PT3861743T (pt)
WO (1) WO2020085954A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20220078406A1 (en) * 2018-12-29 2022-03-10 Vid Scale, Inc. History-based motion vector prediction
KR102443965B1 (ko) * 2019-01-01 2022-09-19 엘지전자 주식회사 히스토리 기반 모션 벡터 예측을 기반으로 비디오 신호를 처리하기 위한 방법 및 장치
US20220103854A1 (en) * 2019-01-31 2022-03-31 Mediatek Inc. Method and Apparatus of Combined Inter and Intra Prediction for Video Coding
SG11202110650WA (en) 2019-04-01 2021-10-28 Beijing Bytedance Network Technology Co Ltd Using interpolation filters for history based motion vector prediction
WO2020251258A1 (ko) * 2019-06-14 2020-12-17 엘지전자 주식회사 쌍 예측이 적용되는 경우 가중 평균을 위한 가중치 인덱스 정보를 도출하는 영상 디코딩 방법 및 그 장치
AU2020290835B2 (en) 2019-06-14 2023-12-07 Lg Electronics Inc. Image decoding method for deriving weight index information for bi-prediction, and device for same
EP3997881A4 (en) 2019-08-20 2022-09-14 Beijing Bytedance Network Technology Co., Ltd. SELECTIVE USE OF ALTERNATIVE INTERPOLATION FILTERS IN VIDEO PROCESSING
EP4128795A4 (en) 2020-05-01 2023-08-30 Beijing Bytedance Network Technology Co., Ltd. ENTROPY ENCODING FOR PARTITION SYNTAX
CN113282552B (zh) * 2021-06-04 2022-11-22 上海天旦网络科技发展有限公司 流量统计日志的相似性向量化方法及系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8731054B2 (en) * 2004-05-04 2014-05-20 Qualcomm Incorporated Method and apparatus for weighted prediction in predictive frames
GB2469679B (en) * 2009-04-23 2012-05-02 Imagination Tech Ltd Object tracking using momentum and acceleration vectors in a motion estimation system
CN101610413B (zh) * 2009-07-29 2011-04-27 清华大学 一种视频的编码/解码方法及装置
KR101630688B1 (ko) * 2010-02-17 2016-06-16 삼성전자주식회사 움직임 예측 장치 및 방법과 영상 처리 장치
US9083983B2 (en) * 2011-10-04 2015-07-14 Qualcomm Incorporated Motion vector predictor candidate clipping removal for video coding
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
CN102946536B (zh) * 2012-10-09 2015-09-30 华为技术有限公司 候选矢量列表构建的方法及装置
CN103338372A (zh) * 2013-06-15 2013-10-02 浙江大学 一种视频处理方法及装置
US10499053B2 (en) * 2014-10-31 2019-12-03 Mediatek Inc. Method of improved directional intra prediction for video coding
EP3794819A4 (en) * 2018-05-23 2022-12-07 HFI Innovation Inc. METHOD AND APPARATUS FOR VIDEO CODING WITH BI-DIRECTIONAL CU WEIGHTS
KR102542433B1 (ko) 2018-08-10 2023-06-13 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 처리 방법, 비디오 처리 장치, 인코더, 디코더, 매체 및 컴퓨터 프로그램
MX2021001670A (es) 2018-08-13 2021-04-19 Lg Electronics Inc Metodo de inter-prediccion basado en el vector de movimiento basado en el historial, y dispositivo para el mismo.
JP7342118B2 (ja) 2018-10-12 2023-09-11 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド 多重仮定予測を用いるビデオ信号処理方法及び装置

Also Published As

Publication number Publication date
CN117459721A (zh) 2024-01-26
MX2021004733A (es) 2021-06-04
CN118055224A (zh) 2024-05-17
EP3861743B1 (en) 2023-12-27
NZ775539A (en) 2023-06-30
AU2019364883B2 (en) 2023-07-20
JP2022505771A (ja) 2022-01-14
EP3861743A4 (en) 2021-12-01
AU2019364883A1 (en) 2021-05-27
JP2023164872A (ja) 2023-11-14
CN117459720A (zh) 2024-01-26
US20240040146A1 (en) 2024-02-01
KR20210072098A (ko) 2021-06-16
EP4333434A1 (en) 2024-03-06
EP3861743A1 (en) 2021-08-11
CN112771870A (zh) 2021-05-07
BR112021007592A2 (pt) 2021-07-27
US20210243470A1 (en) 2021-08-05
CN113315974B (zh) 2022-06-10
CA3117482A1 (en) 2020-04-30
CN117478875A (zh) 2024-01-30
CL2021001047A1 (es) 2021-09-24
CN112771870B (zh) 2023-11-10
JP7395580B2 (ja) 2023-12-11
US11765383B2 (en) 2023-09-19
PL3861743T3 (pl) 2024-05-13
WO2020085954A1 (en) 2020-04-30
CN113315974A (zh) 2021-08-27

Similar Documents

Publication Publication Date Title
PT3861743T (pt) Decodificador de vídeo e métodos
SG11202106972TA (en) Video encoding and decoding
EP3731518A4 (en) VIDEO AND CAMERA DECODING PROCESS
ZA202200892B (en) Video decoding method and video decoder
SG11202102195XA (en) Video decoding method and video decoder
GB2580084B (en) Video coding and decoding
GB2577318B (en) Video coding and decoding
GB201821283D0 (en) Video encoding and video decoding
GB2579763B (en) Video coding and decoding
GB2595051B (en) Video coding and decoding
GB201806926D0 (en) Video decoder chipset
GB2579824B (en) Video encoding and video decoding
GB2578151B (en) Video coding and decoding
GB201809235D0 (en) Video calling and decoding
GB201809232D0 (en) Video coding and decoding
GB201809234D0 (en) Video coding and decoding
GB2578150C (en) Video coding and decoding
GB2589735B (en) Video coding and decoding
GB2572595B (en) Video encoding and decoding
GB201814755D0 (en) Bitsream decoder
GB202207438D0 (en) Video coding and decoding
GB202207439D0 (en) Video coding and decoding
GB202207432D0 (en) Video coding and decoding
GB202207433D0 (en) Video coding and decoding
HK1250110A1 (zh) 視頻播放方法及裝置