BRPI0918478A2 - métodos e aparelho para refinamento de previsão usando previsão de movimento implícito - Google Patents

métodos e aparelho para refinamento de previsão usando previsão de movimento implícito

Info

Publication number
BRPI0918478A2
BRPI0918478A2 BRPI0918478A BRPI0918478A BRPI0918478A2 BR PI0918478 A2 BRPI0918478 A2 BR PI0918478A2 BR PI0918478 A BRPI0918478 A BR PI0918478A BR PI0918478 A BRPI0918478 A BR PI0918478A BR PI0918478 A2 BRPI0918478 A2 BR PI0918478A2
Authority
BR
Brazil
Prior art keywords
prediction
methods
refinement
implicit motion
motion prediction
Prior art date
Application number
BRPI0918478A
Other languages
English (en)
Portuguese (pt)
Inventor
Joel Sole
Oscar Divorra Escoda
Peng Yin
Yunfei Zheng
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0918478A2 publication Critical patent/BRPI0918478A2/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
    • 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
    • H04N19/10—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0918478A 2008-09-04 2009-09-01 métodos e aparelho para refinamento de previsão usando previsão de movimento implícito BRPI0918478A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9429508P 2008-09-04 2008-09-04
PCT/US2009/004948 WO2010027457A1 (en) 2008-09-04 2009-09-01 Methods and apparatus for prediction refinement using implicit motion prediction

Publications (1)

Publication Number Publication Date
BRPI0918478A2 true BRPI0918478A2 (pt) 2015-12-01

Family

ID=41573039

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0918478A BRPI0918478A2 (pt) 2008-09-04 2009-09-01 métodos e aparelho para refinamento de previsão usando previsão de movimento implícito

Country Status (8)

Country Link
US (1) US20110158320A1 (enExample)
EP (1) EP2321970A1 (enExample)
JP (2) JP2012502552A (enExample)
KR (1) KR101703362B1 (enExample)
CN (1) CN102204254B (enExample)
BR (1) BRPI0918478A2 (enExample)
TW (1) TWI530194B (enExample)
WO (1) WO2010027457A1 (enExample)

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JP5141633B2 (ja) * 2009-04-24 2013-02-13 ソニー株式会社 画像処理方法及びそれを用いた画像情報符号化装置
CN101931803B (zh) * 2009-06-26 2013-01-09 华为技术有限公司 视频图像运动信息获取方法、装置及设备、模板构造方法
ES2778227T3 (es) * 2010-10-06 2020-08-10 Ntt Docomo Inc Dispositivo, método y programa de decodificación bipredictiva de imágenes
US20120106640A1 (en) * 2010-10-31 2012-05-03 Broadcom Corporation Decoding side intra-prediction derivation for video coding
US9635382B2 (en) * 2011-01-07 2017-04-25 Texas Instruments Incorporated Method, system and computer program product for determining a motion vector
BR122020020892B1 (pt) 2011-03-09 2023-01-24 Kabushiki Kaisha Toshiba Método para codificação e decodificação de imagem e a realização de interpredição em um bloco de pixels divididos
JP2014531153A (ja) * 2011-09-14 2014-11-20 サムスン エレクトロニクスカンパニー リミテッド ビデオ符号化方法、ビデオ復号化方法及びその装置
US20130121417A1 (en) * 2011-11-16 2013-05-16 Qualcomm Incorporated Constrained reference picture sets in wave front parallel processing of video data
BR112014016922B1 (pt) * 2012-01-18 2023-01-31 JVC Kenwood Corporation Dispositivo e método de codificação de representação em movimento e dispositivo e método de decodificação de representação em movimento
TWI476640B (zh) 2012-09-28 2015-03-11 Ind Tech Res Inst 時間資料序列的平滑化方法與裝置
WO2015102430A1 (en) * 2014-01-01 2015-07-09 Lg Electronics Inc. Method and apparatus for encoding, decoding a video signal using an adaptive prediction filter
WO2016184527A1 (en) * 2015-05-21 2016-11-24 Huawei Technologies Co., Ltd. Apparatus and method for video motion compensation
CN114615493A (zh) * 2016-03-24 2022-06-10 英迪股份有限公司 视频解码方法、视频编码方法和可读记录介质
WO2017195914A1 (ko) * 2016-05-11 2017-11-16 엘지전자 주식회사 비디오 코딩 시스템에서 인터 예측 방법 및 장치
US10621731B1 (en) * 2016-05-31 2020-04-14 NGCodec Inc. Apparatus and method for efficient motion estimation for different block sizes
US11638027B2 (en) 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
US12063387B2 (en) * 2017-01-05 2024-08-13 Hfi Innovation Inc. Decoder-side motion vector restoration for video coding
CN106713935B (zh) * 2017-01-09 2019-06-11 杭州电子科技大学 一种基于贝叶斯决策的hevc块划分快速方法
CN110832862B (zh) * 2017-06-30 2022-06-14 华为技术有限公司 解码端运动矢量导出的容错与并行处理
CN119363983A (zh) 2018-07-17 2025-01-24 松下电器（美国）知识产权公司 用于视频编码的系统和方法
US11451807B2 (en) * 2018-08-08 2022-09-20 Tencent America LLC Method and apparatus for video coding
EP3928521A4 (en) 2019-04-02 2022-08-17 Beijing Bytedance Network Technology Co., Ltd. BIDIRECTIONAL OPTICAL FLOW BASED VIDEO ENCODING AND DECODING
WO2020211867A1 (en) 2019-04-19 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Delta motion vector in prediction refinement with optical flow process
KR102662024B1 (ko) 2019-04-19 2024-05-21 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 상이한 모션 벡터 정제의 그레디언트 계산
WO2020211866A1 (en) * 2019-04-19 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Applicability of prediction refinement with optical flow process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999026417A2 (en) * 1997-11-17 1999-05-27 Koninklijke Philips Electronics N.V. Motion-compensated predictive image encoding and decoding
EP1139669A1 (en) * 2000-03-28 2001-10-04 STMicroelectronics S.r.l. Coprocessor for motion estimation in digitised video sequence encoders
US6961383B1 (en) * 2000-11-22 2005-11-01 At&T Corp. Scalable video encoder/decoder with drift control
JP4662171B2 (ja) * 2005-10-20 2011-03-30 ソニー株式会社 符号化装置および方法、復号化装置および方法、プログラム、並びに記録媒体
US8542736B2 (en) * 2006-10-18 2013-09-24 Thomson Licensing Method and apparatus for video coding using prediction data refinement
CA2702525C (en) * 2007-10-25 2014-07-15 Nippon Telegraph And Telephone Corporation Video scalable encoding method and decoding method and apparatuses therefor
JP5452584B2 (ja) * 2008-04-11 2014-03-26 トムソン ライセンシング ビデオ符号化及び復号化におけるテンプレート・マッチング予測（ｔｍｐ）のための方法及び装置

Also Published As

Publication number Publication date
TW201016020A (en) 2010-04-16
JP2015084597A (ja) 2015-04-30
KR20110065503A (ko) 2011-06-15
TWI530194B (zh) 2016-04-11
US20110158320A1 (en) 2011-06-30
WO2010027457A1 (en) 2010-03-11
KR101703362B1 (ko) 2017-02-06
JP5978329B2 (ja) 2016-08-24
CN102204254B (zh) 2015-03-18
CN102204254A (zh) 2011-09-28
EP2321970A1 (en) 2011-05-18
JP2012502552A (ja) 2012-01-26

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A ANUIDADE.

B08H Application fees: decision cancelled [chapter 8.8 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2385 DE 20/09/2016.

B15K Others concerning applications: alteration of classification

Ipc: H04N 19/50 (2014.01)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: THOMSON LICENSING DTV (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL MADISON PATENT HOLDINGS (FR)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements