BR112020022234A2 - dependência de dados em codificação/decodificação - Google Patents

dependência de dados em codificação/decodificação Download PDF

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Publication number
BR112020022234A2
BR112020022234A2 BR112020022234-8A BR112020022234A BR112020022234A2 BR 112020022234 A2 BR112020022234 A2 BR 112020022234A2 BR 112020022234 A BR112020022234 A BR 112020022234A BR 112020022234 A2 BR112020022234 A2 BR 112020022234A2
Authority
BR
Brazil
Prior art keywords
motion vector
video block
information
current
fact
Prior art date
Application number
BR112020022234-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Antoine Robert
Fabrice LELEANNEC
Franck Galpin
Original Assignee
Interdigital Vc Holdings, 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
Priority claimed from EP18305852.8A external-priority patent/EP3591974A1/en
Application filed by Interdigital Vc Holdings, Inc. filed Critical Interdigital Vc Holdings, Inc.
Publication of BR112020022234A2 publication Critical patent/BR112020022234A2/pt

Links

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
    • H04N19/50—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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/50—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
    • 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
    • H04N19/90—Methods 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112020022234-8A 2018-05-07 2019-04-26 dependência de dados em codificação/decodificação BR112020022234A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18305567 2018-05-07
EP18305852.8A EP3591974A1 (en) 2018-07-02 2018-07-02 Data dependency in encoding/decoding
PCT/US2019/029305 WO2019217095A1 (en) 2018-05-07 2019-04-26 Data dependency in encoding/decodiing

Publications (1)

Publication Number Publication Date
BR112020022234A2 true BR112020022234A2 (pt) 2021-02-02

Family

ID=66380215

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020022234-8A BR112020022234A2 (pt) 2018-05-07 2019-04-26 dependência de dados em codificação/decodificação

Country Status (7)

Country Link
US (2) US20210076058A1 (https=)
EP (1) EP3791581A1 (https=)
JP (2) JP7395497B2 (https=)
KR (1) KR20210006355A (https=)
CN (3) CN119676445A (https=)
BR (1) BR112020022234A2 (https=)
WO (1) WO2019217095A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102819167B1 (ko) * 2018-05-28 2025-06-12 인터디지털 브이씨 홀딩스 인코포레이티드 코딩/디코딩에서의 데이터 종속
BR112023014624A2 (pt) * 2021-01-29 2023-10-31 Qualcomm Inc Derivação de diferença de vetor de movimento com base em modelo e previsão de correspondência de modelo para codificação de vídeo
WO2023090613A1 (ko) 2021-11-19 2023-05-25 현대자동차주식회사 템플릿 매칭 기반의 인트라 예측을 사용하는 비디오 코딩을 위한 방법 및 장치
CN115278260B (zh) * 2022-07-15 2024-11-19 重庆邮电大学 基于空时域特性的vvc快速cu划分方法及存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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KR20070044455A (ko) * 2004-07-20 2007-04-27 콸콤 인코포레이티드 비디오 압축에 대한 인코더 보조-프레임 레이트 업컨버젼(ｅａ-ｆｒｕｃ)을 위한 방법 및 장치
US9083983B2 (en) * 2011-10-04 2015-07-14 Qualcomm Incorporated Motion vector predictor candidate clipping removal for video coding
PL400344A1 (pl) * 2012-08-13 2014-02-17 Politechnika Poznanska Sposób wyznaczania predyktora wektora ruchu
CN105052134B (zh) * 2012-10-01 2019-09-03 Ge视频压缩有限责任公司 一种可伸缩视频编解码方法及计算机可读存储介质
US9762927B2 (en) * 2013-09-26 2017-09-12 Qualcomm Incorporated Sub-prediction unit (PU) based temporal motion vector prediction in HEVC and sub-PU design in 3D-HEVC
SG11201703454XA (en) * 2014-11-18 2017-06-29 Mediatek Inc Method of bi-prediction video coding based on motion vectors from uni-prediction and merge candidate
US9948930B2 (en) * 2016-05-17 2018-04-17 Arris Enterprises Llc Template matching for JVET intra prediction
CN115914625B (zh) * 2016-08-01 2025-07-11 韩国电子通信研究院 图像编码/解码方法
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
US20180199057A1 (en) * 2017-01-12 2018-07-12 Mediatek Inc. Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding
JP6806916B2 (ja) * 2017-09-26 2021-01-06 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 復号装置及び復号方法
US10785494B2 (en) * 2017-10-11 2020-09-22 Qualcomm Incorporated Low-complexity design for FRUC
CN112106367B (zh) * 2018-03-30 2023-05-30 Vid拓展公司 基于编码和解码时延减少的基于模板的帧间预测技术

Also Published As

Publication number Publication date
CN119545000A (zh) 2025-02-28
CN119676445A (zh) 2025-03-21
JP2021521692A (ja) 2021-08-26
EP3791581A1 (en) 2021-03-17
CN112088532A (zh) 2020-12-15
US20210076058A1 (en) 2021-03-11
JP7395497B2 (ja) 2023-12-11
JP2024023456A (ja) 2024-02-21
CN112088532B (zh) 2025-01-03
US20230097304A1 (en) 2023-03-30
KR20210006355A (ko) 2021-01-18
WO2019217095A8 (en) 2020-11-26
WO2019217095A1 (en) 2019-11-14

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Legal Events

Date Code Title Description
B15I Others concerning applications: loss of priority

Free format text: PERDA DAS PRIORIDADES DE 07/05/2018 EP 18305567.2; E DE 02/07/2018 EP 18305852.8 CONFORME AS DISPOSICOES PREVISTAS NA LEI 9.279 DE 14/05/1996 (LPI) ART. 16 7O E NO ART. 29 DA RESOLUCAO INPI-PR 77/2013, POR NAO ATENDER AO DISPOSTO NO ART. 2 DA RESOLUCAO INPI-PR 179/2017, POIS NAO FOI APRESENTADA CESSAO DA REFERIDA PRIORIDADE, QUE POSSUI DEPOSITANTE DIFERENTE DO DEPOSI-TANTE DA FASE NACIONAL.

B152 Others concerning applications: decision cancelled [chapter 15.32 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 15.9 NA RPI NO 2614 DE 09/02/2021 POR TER SIDO INDEVIDA.

B350 Update of information on the portal [chapter 15.35 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.