BR112018001519A2 - métodos e sistemas de restrição de biprevisão em codificação de vídeo - Google Patents

métodos e sistemas de restrição de biprevisão em codificação de vídeo

Info

Publication number
BR112018001519A2
BR112018001519A2 BR112018001519-9A BR112018001519A BR112018001519A2 BR 112018001519 A2 BR112018001519 A2 BR 112018001519A2 BR 112018001519 A BR112018001519 A BR 112018001519A BR 112018001519 A2 BR112018001519 A2 BR 112018001519A2
Authority
BR
Brazil
Prior art keywords
bipreview
systems
motion vectors
video data
encoding
Prior art date
Application number
BR112018001519-9A
Other languages
English (en)
Portuguese (pt)
Inventor
Rapaka Krishnakanth
Laxman Joshi Rajan
Seregin Vadim
Karczewicz Marta
Original Assignee
Qualcomm Incorporated
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 Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of BR112018001519A2 publication Critical patent/BR112018001519A2/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
    • H04N19/10Methods 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
    • H04N19/102Methods 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
    • H04N19/102Methods 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
    • H04N19/127Prioritisation of hardware or computational resources
    • 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
    • H04N19/174Methods 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
    • 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
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112018001519-9A 2015-07-27 2016-07-26 métodos e sistemas de restrição de biprevisão em codificação de vídeo BR112018001519A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562197496P 2015-07-27 2015-07-27
US62/197,496 2015-07-27
US15/219,159 US10404992B2 (en) 2015-07-27 2016-07-25 Methods and systems of restricting bi-prediction in video coding
US15/219,159 2016-07-25
PCT/US2016/043978 WO2017019656A1 (en) 2015-07-27 2016-07-26 Methods and systems of restricting bi-prediction in video coding

Publications (1)

Publication Number Publication Date
BR112018001519A2 true BR112018001519A2 (pt) 2018-09-11

Family

ID=57883486

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018001519-9A BR112018001519A2 (pt) 2015-07-27 2016-07-26 métodos e sistemas de restrição de biprevisão em codificação de vídeo

Country Status (12)

Country Link
US (1) US10404992B2 (https=)
EP (2) EP3588955B1 (https=)
JP (1) JP6752266B2 (https=)
KR (1) KR102658510B1 (https=)
CN (1) CN107852498B (https=)
AU (1) AU2016298172A1 (https=)
BR (1) BR112018001519A2 (https=)
ES (2) ES2977132T3 (https=)
HU (1) HUE047622T2 (https=)
PL (1) PL3588955T3 (https=)
TW (1) TWI724008B (https=)
WO (1) WO2017019656A1 (https=)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107852499B (zh) * 2015-04-13 2021-05-07 联发科技股份有限公司 用于视频数据的视频编解码方法
KR20190052128A (ko) * 2016-10-04 2019-05-15 김기백 영상 데이터 부호화/복호화 방법 및 장치
US10462483B1 (en) * 2018-04-26 2019-10-29 Tencent America LLC Method and apparatus for video coding
CN108833923B (zh) * 2018-06-20 2022-03-29 腾讯科技(深圳)有限公司 视频编码、解码方法、装置、存储介质和计算机设备
WO2019243534A1 (en) 2018-06-21 2019-12-26 Telefonaktiebolaget Lm Ericsson (Publ) Tile shuffling for 360 degree video decoding
BR112020025887A2 (pt) * 2018-06-21 2021-03-23 Telefonaktiebolaget Lm Ericsson (Publ) métodos para decodificar e para codificar uma imagem parada, circuitos decodificador e codificador, decodificador, programa de computador, portadora, meio de armazenamento legível por computador não transitório, e, codificador
CN118509586A (zh) 2018-06-21 2024-08-16 瑞典爱立信有限公司 视频编码中具有子图块的图块分区
RU2767601C1 (ru) 2018-07-02 2022-03-17 Нокиа Текнолоджиз Ой Способ и устройство для связанной с тайлом адресации при кодировании видеосигнала
US10375416B1 (en) * 2018-09-05 2019-08-06 Tencent America LLC Segment types in video coding
TWI822863B (zh) * 2018-09-27 2023-11-21 美商Vid衡器股份有限公司 360度視訊寫碼樣本導出
CN112823525B (zh) 2018-10-02 2024-12-06 瑞典爱立信有限公司 基于图块组id对图片进行编码和解码
WO2020075862A1 (ja) * 2018-10-12 2020-04-16 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 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
WO2020084476A1 (en) 2018-10-22 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Sub-block based prediction
CN111083492B (zh) 2018-10-22 2024-01-12 北京字节跳动网络技术有限公司 双向光流中的梯度计算
CN112889269B (zh) * 2018-10-23 2023-10-27 腾讯美国有限责任公司 视频解码方法及装置
CN111436230B (zh) 2018-11-12 2024-10-11 北京字节跳动网络技术有限公司 仿射预测的带宽控制方法
CN113170093B (zh) 2018-11-20 2023-05-02 北京字节跳动网络技术有限公司 视频处理中的细化帧间预测
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
WO2020108651A1 (en) 2018-11-29 2020-06-04 Beijing Bytedance Network Technology Co., Ltd. Affine inheritance method in intra block copy mode
US10855992B2 (en) * 2018-12-20 2020-12-01 Alibaba Group Holding Limited On block level bi-prediction with weighted averaging
KR20240005108A (ko) * 2019-01-08 2024-01-11 후아웨이 테크놀러지 컴퍼니 리미티드 이미지 예측 방법, 장치 및 시스템, 디바이스 및 저장 매체
WO2020143832A1 (en) * 2019-01-12 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Bi-prediction constraints
US11190800B2 (en) 2019-02-07 2021-11-30 Qualcomm Incorporated Motion vector predictor list generation for intra block copy mode in video coding
JP2022521554A (ja) 2019-03-06 2022-04-08 北京字節跳動網絡技術有限公司 変換された片予測候補の利用
EP3734972A1 (en) * 2019-05-03 2020-11-04 InterDigital VC Holdings, Inc. High level syntax simplified video coding tool set for small blocks
US11445174B2 (en) * 2019-05-06 2022-09-13 Tencent America LLC Method and apparatus for video coding
CN110611820A (zh) * 2019-09-11 2019-12-24 北京达佳互联信息技术有限公司 视频编码方法、装置、电子设备及存储介质
CN116567251A (zh) * 2019-09-17 2023-08-08 华为技术有限公司 基于子图像的视频译码中的子图像id指示
CN115380538B (zh) 2020-04-02 2025-05-06 瑞典爱立信有限公司 基于双向图片条件的解码
US12341956B2 (en) * 2020-11-23 2025-06-24 Hyundai Motor Company Image encoding and decoding method using adaptive alternative mode
TWI804181B (zh) * 2021-02-02 2023-06-01 聯詠科技股份有限公司 影像編碼方法及其影像編碼器
US11831909B2 (en) 2021-03-11 2023-11-28 Qualcomm Incorporated Learned B-frame coding using P-frame coding system
US11968356B2 (en) * 2022-03-16 2024-04-23 Qualcomm Incorporated Decoder-side motion vector refinement (DMVR) inter prediction using shared interpolation filters and reference pixels
US12368879B2 (en) * 2022-03-25 2025-07-22 Tencent America LLC Method and apparatus adaptive constraint on bi-prediction for out-of-boundary conditions

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI344791B (en) * 2006-07-12 2011-07-01 Lg Electronics Inc A method and apparatus for processing a signal
CN101669367A (zh) * 2007-03-02 2010-03-10 Lg电子株式会社 用于解码/编码视频信号的方法及设备
US8213503B2 (en) * 2008-09-05 2012-07-03 Microsoft Corporation Skip modes for inter-layer residual video coding and decoding
US9137544B2 (en) * 2010-11-29 2015-09-15 Mediatek Inc. Method and apparatus for derivation of mv/mvp candidate for inter/skip/merge modes
US8755437B2 (en) * 2011-03-17 2014-06-17 Mediatek Inc. Method and apparatus for derivation of spatial motion vector candidate and motion vector prediction candidate
WO2013030456A1 (en) * 2011-08-30 2013-03-07 Nokia Corporation An apparatus, a method and a computer program for video coding and decoding
WO2013109124A1 (ko) * 2012-01-19 2013-07-25 삼성전자 주식회사 쌍방향 예측 및 블록 병합을 제한하는 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
US9769450B2 (en) * 2012-07-04 2017-09-19 Intel Corporation Inter-view filter parameters re-use for three dimensional video coding
US10904551B2 (en) * 2013-04-05 2021-01-26 Texas Instruments Incorporated Video coding using intra block copy
US20150016533A1 (en) * 2013-07-12 2015-01-15 Qualcomm Incorporated Intra motion compensation extensions
US10212445B2 (en) * 2014-10-09 2019-02-19 Qualcomm Incorporated Intra block copy prediction restrictions for parallel processing

Also Published As

Publication number Publication date
ES2977132T3 (es) 2024-08-19
JP6752266B2 (ja) 2020-09-09
TWI724008B (zh) 2021-04-11
CN107852498A (zh) 2018-03-27
WO2017019656A1 (en) 2017-02-02
EP3588955B1 (en) 2024-03-20
CN107852498B (zh) 2021-10-08
HUE047622T2 (hu) 2020-05-28
AU2016298172A1 (en) 2018-01-18
KR20180035810A (ko) 2018-04-06
EP3329675B1 (en) 2019-09-11
EP3588955A1 (en) 2020-01-01
PL3588955T3 (pl) 2024-06-24
TW201709731A (zh) 2017-03-01
EP3329675A1 (en) 2018-06-06
KR102658510B1 (ko) 2024-04-17
JP2018526881A (ja) 2018-09-13
US20170034526A1 (en) 2017-02-02
ES2761865T3 (es) 2020-05-21
EP3588955C0 (en) 2024-03-20
US10404992B2 (en) 2019-09-03

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B12F Other appeals [chapter 12.6 patent gazette]

Free format text: RECURSO: PETICAO 870240030354, DE 08/04/2024.

B12G Publication of notification of appeal cancelled [chapter 12.7 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 12.6 NA RPI NO 2780 DE 16/04/2024 POR TER SIDO EQUIVOCADO.