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
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
ES2773774T3 (es) * 2010-10-06 2020-07-14 Ntt Docomo Inc Dispositivo, método y programa de codificación bipredictiva de imágenes, y 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
US9635383B2 (en) * 2011-01-07 2017-04-25 Texas Instruments Incorporated Method, system and computer program product for computing a motion vector
WO2012120661A1 (ja) 2011-03-09 2012-09-13 株式会社 東芝 動画像符号化方法及び動画像復号化方法
HUE049155T2 (hu) * 2011-09-14 2020-09-28 Samsung Electronics Co Ltd Eljárás és berendezés predikció egység (PU) kódolásához a méretén és megfelelõ dekódoló berendezésen alapulva
US20130121417A1 (en) * 2011-11-16 2013-05-16 Qualcomm Incorporated Constrained reference picture sets in wave front parallel processing of video data
CN105791820B (zh) * 2012-01-18 2018-03-13 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
CN105874790A (zh) * 2014-01-01 2016-08-17 Lg电子株式会社 使用自适应预测过滤器编码、解码视频信号的方法和装置
CN107646194B (zh) * 2015-05-21 2020-08-07 华为技术有限公司 用于视频运动补偿的装置和方法
CN119996660A (zh) * 2016-03-24 2025-05-13 皇家飞利浦有限公司 视频解码方法、视频编码方法和可读记录介质
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
SG11201913273XA (en) * 2017-06-30 2020-01-30 Huawei Tech Co Ltd Error resilience and parallel processing for decoder side motion vector derivation
CN119363984A (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
WO2020200277A1 (en) 2019-04-02 2020-10-08 Beijing Bytedance Network Technology Co., Ltd. Adaptive loop filtering in video processing
CN113711608B (zh) * 2019-04-19 2023-09-01 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的适用性
WO2020211867A1 (en) 2019-04-19 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Delta motion vector in prediction refinement with optical flow process
WO2020211864A1 (en) 2019-04-19 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Region based gradient calculation in different motion vector refinements

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69834902T2 (de) * 1997-11-17 2007-02-01 Koninklijke Philips Electronics N.V. Bewegungskompensierte prädiktive bildkodierung und -dekodierung
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
CN101711481B (zh) * 2006-10-18 2013-01-09 汤姆森特许公司 使用预测数据精选进行视频编码的方法和装置
BRPI0818665A2 (pt) * 2007-10-25 2015-09-08 Nippon Telegraph & Telephone método de codificação e método de decodificação de vídeo escalável, aparelho para os mesmos, programas para os mesmos e meio de gravação onde os programas são gravados
US20110261882A1 (en) * 2008-04-11 2011-10-27 Thomson Licensing Methods and apparatus for template matching prediction (tmp) in video encoding and decoding

Also Published As

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

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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