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 (OSRAM)
EP (1) EP2321970A1 (OSRAM)
JP (2) JP2012502552A (OSRAM)
KR (1) KR101703362B1 (OSRAM)
CN (1) CN102204254B (OSRAM)
BR (1) BRPI0918478A2 (OSRAM)
TW (1) TWI530194B (OSRAM)
WO (1) WO2010027457A1 (OSRAM)

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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
CN102883160B (zh) * 2009-06-26 2016-06-29 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
CN107257477B (zh) * 2010-10-06 2020-02-28 株式会社Ntt都科摩 图像预测解码方法
US20120106640A1 (en) * 2010-10-31 2012-05-03 Broadcom Corporation Decoding side intra-prediction derivation for video coding
US9635383B2 (en) * 2011-01-07 2017-04-25 Texas Instruments Incorporated Method, system and computer program product for computing a motion vector
EP2685717A4 (en) 2011-03-09 2014-08-27 Toshiba Kk METHOD FOR CODING VIDEO IMAGES AND METHOD FOR DECODING VIDEO IMAGES
WO2013039357A2 (ko) * 2011-09-14 2013-03-21 삼성전자 주식회사 비디오 부호화, 복호화 방법 및 장치
US20130121417A1 (en) * 2011-11-16 2013-05-16 Qualcomm Incorporated Constrained reference picture sets in wave front parallel processing of video data
CN105791855A (zh) * 2012-01-18 2016-07-20 Jvc建伍株式会社 动图像解码装置以及动图像解码方法
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
KR20160105849A (ko) * 2014-01-01 2016-09-07 엘지전자 주식회사 적응적 예측 필터를 이용하여 영상 신호를 인코딩, 디코딩하기 위한 방법 및 장치
WO2016184527A1 (en) * 2015-05-21 2016-11-24 Huawei Technologies Co., Ltd. Apparatus and method for video motion compensation
EP3435673A4 (en) * 2016-03-24 2019-12-25 Intellectual Discovery Co., Ltd. METHOD AND DEVICE FOR CODING / DECODING A VIDEO SIGNAL
US10958931B2 (en) 2016-05-11 2021-03-23 Lg Electronics Inc. Inter prediction method and apparatus in video coding system
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
BR112019028035A2 (pt) * 2017-06-30 2020-07-07 Huawei Technologies Co., Ltd. "dispositivo para determinar uma predição de um bloco corrente, decodificador e codificador de vídeo, e método para determinar uma predição de um bloco corrente
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
JP7319386B2 (ja) 2019-04-19 2023-08-01 北京字節跳動網絡技術有限公司 異なる動きベクトル微調整における勾配計算
CN113711609B (zh) 2019-04-19 2023-12-01 北京字节跳动网络技术有限公司 利用光流的预测细化过程中的增量运动矢量
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
EP2082585A2 (en) * 2006-10-18 2009-07-29 Thomson Licensing Method and apparatus for video coding using prediction data refinement
CN101836457B (zh) * 2007-10-25 2012-07-11 日本电信电话株式会社 活动图像可分级编码方法及解码方法及其装置
CN102067601B (zh) * 2008-04-11 2014-03-12 汤姆森特许公司 视频编码和解码中模板匹配预测(tmp)的方法和装置

Also Published As

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

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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