BRPI0515723A - método e aparelho para a decisão de modo rápido de b-quadros em um codificador de vìdeo - Google Patents

método e aparelho para a decisão de modo rápido de b-quadros em um codificador de vìdeo

Info

Publication number
BRPI0515723A
BRPI0515723A BRPI0515723-4A BRPI0515723A BRPI0515723A BR PI0515723 A BRPI0515723 A BR PI0515723A BR PI0515723 A BRPI0515723 A BR PI0515723A BR PI0515723 A BRPI0515723 A BR PI0515723A
Authority
BR
Brazil
Prior art keywords
slice
video encoder
fast
direct mode
video
Prior art date
Application number
BRPI0515723-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Peng Yin
Boyce Jill Macdonald
Xiaoan Lu
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 BRPI0515723A publication Critical patent/BRPI0515723A/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
    • H04N19/577—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
    • H04N19/10—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
    • 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
    • H04N19/134—Methods 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter

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)
BRPI0515723-4A 2004-11-04 2005-11-02 método e aparelho para a decisão de modo rápido de b-quadros em um codificador de vìdeo BRPI0515723A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62487004P 2004-11-04 2004-11-04
PCT/US2005/039596 WO2006052577A2 (en) 2004-11-04 2005-11-02 Method and apparatus for fast mode decision of b-frames in a video encoder

Publications (1)

Publication Number Publication Date
BRPI0515723A true BRPI0515723A (pt) 2008-08-05

Family

ID=35788959

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0515723-4A BRPI0515723A (pt) 2004-11-04 2005-11-02 método e aparelho para a decisão de modo rápido de b-quadros em um codificador de vìdeo

Country Status (6)

Country Link
US (1) US8155191B2 (https=)
EP (1) EP1808025B1 (https=)
JP (3) JP5046335B2 (https=)
CN (1) CN101099394B (https=)
BR (1) BRPI0515723A (https=)
WO (1) WO2006052577A2 (https=)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060233258A1 (en) * 2005-04-15 2006-10-19 Microsoft Corporation Scalable motion estimation
US7830961B2 (en) * 2005-06-21 2010-11-09 Seiko Epson Corporation Motion estimation and inter-mode prediction
US7804900B2 (en) * 2006-02-23 2010-09-28 Industrial Technology Research Institute Method for fast SATD estimation
US8155195B2 (en) * 2006-04-07 2012-04-10 Microsoft Corporation Switching distortion metrics during motion estimation
US8494052B2 (en) * 2006-04-07 2013-07-23 Microsoft Corporation Dynamic selection of motion estimation search ranges and extended motion vector ranges
US20070268964A1 (en) * 2006-05-22 2007-11-22 Microsoft Corporation Unit co-location-based motion estimation
US20070274396A1 (en) * 2006-05-26 2007-11-29 Ximin Zhang Complexity adaptive skip mode estimation for video encoding
US20080205515A1 (en) * 2007-01-25 2008-08-28 Florida Atlantic University Video encoding with reduced complexity
CN101731012B (zh) * 2007-04-12 2013-10-16 汤姆森特许公司 用于视频编码器中的快速几何模式判定的方法和设备
CN101682769B (zh) * 2007-04-12 2016-11-09 汤姆森特许公司 用于视频编码和解码的跳过-直接模式的取决于环境的合并的方法和装置
US8731048B2 (en) * 2007-08-17 2014-05-20 Tsai Sheng Group Llc Efficient temporal search range control for video encoding processes
CN101822056B (zh) * 2007-10-12 2013-01-02 汤姆逊许可公司 用于视频编解码几何划分的双向预测模式划分的方法和装置
KR101228020B1 (ko) * 2007-12-05 2013-01-30 삼성전자주식회사 사이드 매칭을 이용한 영상의 부호화 방법 및 장치, 그복호화 방법 및 장치
JP4990927B2 (ja) * 2008-03-28 2012-08-01 三星電子株式会社 動きベクトル情報の符号化／復号化方法及び装置
JP5774995B2 (ja) 2008-11-13 2015-09-09 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ Ｇｏｐマージおよびビット割付けを用いたマルチスレッド・ビデオ符号化
KR101668133B1 (ko) * 2009-03-06 2016-10-20 톰슨 라이센싱 화상 데이터의 블록을 예측하는 방법, 이 방법을 실행하는 복호 장치 및 부호화 장치
CN103888778B (zh) * 2009-06-18 2017-12-08 株式会社东芝 运动图像解码装置
CN103826127B (zh) * 2009-06-18 2017-03-01 株式会社东芝 运动图像编码装置和运动图像编码方法
CN103826132B (zh) * 2009-06-18 2017-03-01 株式会社东芝 运动图像解码装置和运动图像解码方法
HRP20231396T1 (hr) * 2009-06-18 2024-05-10 Kabushiki Kaisha Toshiba Video kodiranje
CN103826126B (zh) * 2009-06-18 2017-09-29 株式会社东芝 运动图像编码装置和运动图像编码方法
ES3058729T3 (en) 2009-06-18 2026-03-12 Toshiba Kk Video encoding
US8498330B2 (en) * 2009-06-29 2013-07-30 Hong Kong Applied Science and Technology Research Institute Company Limited Method and apparatus for coding mode selection
JP2013503534A (ja) * 2009-08-28 2013-01-31 トムソン ライセンシング 画像シーケンスを符号化するための方法
DK2476255T3 (en) 2009-09-10 2018-08-06 Guangdong Oppo Mobile Telecommunications Corp Ltd ACCELERATION TECHNIQUES FOR DISTORTION GRADE OPTIMIZED QUANTIZATION
US8594200B2 (en) * 2009-11-11 2013-11-26 Mediatek Inc. Method of storing motion vector information and video decoding apparatus
US9036692B2 (en) * 2010-01-18 2015-05-19 Mediatek Inc. Motion prediction method
US8879632B2 (en) 2010-02-18 2014-11-04 Qualcomm Incorporated Fixed point implementation for geometric motion partitioning
JP5368631B2 (ja) 2010-04-08 2013-12-18 株式会社東芝 画像符号化方法、装置、及びプログラム
KR101791078B1 (ko) 2010-04-16 2017-10-30 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
US8824558B2 (en) * 2010-11-23 2014-09-02 Mediatek Inc. Method and apparatus of spatial motion vector prediction
JP5781313B2 (ja) * 2011-01-12 2015-09-16 株式会社Ｎｔｔドコモ 画像予測符号化方法、画像予測符号化装置、画像予測符号化プログラム、画像予測復号方法、画像予測復号装置及び画像予測復号プログラム
JP5768510B2 (ja) * 2011-06-06 2015-08-26 富士通株式会社 動画像符号化方法および動画像符号化装置
US9451277B2 (en) * 2012-02-08 2016-09-20 Qualcomm Incorporated Restriction of prediction units in B slices to uni-directional inter prediction
WO2013157791A1 (ko) * 2012-04-15 2013-10-24 삼성전자 주식회사 인터 예측의 참조영상을 결정하는 방법과 그 장치
EP2670139A1 (en) * 2012-06-01 2013-12-04 Alcatel Lucent Method and apparatus for encoding a video stream having a transparency information channel
KR102114252B1 (ko) 2013-07-05 2020-05-22 삼성전자 주식회사 영상을 부호화하기 위한 영상 예측 모드 결정 방법 및 장치
CN103491369B (zh) 2013-09-18 2016-09-28 华为技术有限公司 一种帧间预测编码方法和编码器
US10769191B2 (en) * 2013-12-20 2020-09-08 Google Llc Classifying data objects
US10085027B2 (en) 2015-03-06 2018-09-25 Qualcomm Incorporated Adaptive mode checking order for video encoding
JP6053210B1 (ja) * 2015-06-10 2016-12-27 日本電信電話株式会社 映像符号化装置、映像符号化方法及び映像符号化プログラム
WO2017122604A1 (ja) * 2016-01-15 2017-07-20 日本電気株式会社 動画像符号化装置、動画像符号化方法、及び、動画像符号化プログラムが記憶された記憶媒体
CN110870309B (zh) * 2017-07-06 2023-02-03 三星电子株式会社 图像编码方法和设备以及图像解码方法和设备
CN112637591B (zh) 2020-12-11 2024-09-13 百果园技术(新加坡)有限公司 一种视频预测编码的方法及装置
CN116567267A (zh) * 2022-01-28 2023-08-08 腾讯科技（深圳）有限公司 一种编码过程中的运动估计方法及相关产品
US20240355004A1 (en) * 2023-04-19 2024-10-24 Sony Group Corporation Variable rate compression of point cloud geometry

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6529631B1 (en) * 1996-03-29 2003-03-04 Sarnoff Corporation Apparatus and method for optimizing encoding and performing automated steerable image compression in an image coding system using a perceptual metric
US6057832A (en) * 1997-12-02 2000-05-02 V Soft Ltd. Method and apparatus for video-on-demand with fast play capability
JP2002543714A (ja) * 1999-04-30 2002-12-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｂフレーム・エンコーディング・モードを有するビデオ・エンコーディング方法
US6782062B1 (en) * 2000-03-29 2004-08-24 Sony Corporation Low power and high linearity receivers with reactively biased front ends
US6782052B2 (en) * 2001-03-16 2004-08-24 Sharp Laboratories Of America, Inc. Reference frame prediction and block mode prediction for fast motion searching in advanced video coding
US6980596B2 (en) * 2001-11-27 2005-12-27 General Instrument Corporation Macroblock level adaptive frame/field coding for digital video content
US7003035B2 (en) * 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
JP4193406B2 (ja) * 2002-04-16 2008-12-10 三菱電機株式会社 映像データ変換装置および映像データ変換方法
JP4130783B2 (ja) * 2002-04-23 2008-08-06 松下電器産業株式会社 動きベクトル符号化方法および動きベクトル復号化方法
WO2004004359A1 (en) * 2002-07-01 2004-01-08 E G Technology Inc. Efficient compression and transport of video over a network
US7280700B2 (en) * 2002-07-05 2007-10-09 Microsoft Corporation Optimization techniques for data compression
US6944224B2 (en) * 2002-08-14 2005-09-13 Intervideo, Inc. Systems and methods for selecting a macroblock mode in a video encoder
JP3977716B2 (ja) * 2002-09-20 2007-09-19 株式会社東芝 動画像符号化／復号化方法及び装置
KR100506864B1 (ko) * 2002-10-04 2005-08-05 엘지전자 주식회사 모션벡터 결정방법
US7194035B2 (en) * 2003-01-08 2007-03-20 Apple Computer, Inc. Method and apparatus for improved coding mode selection
AU2003284958A1 (en) * 2003-01-10 2004-08-10 Thomson Licensing S.A. Fast mode decision making for interframe encoding
US7471726B2 (en) * 2003-07-15 2008-12-30 Microsoft Corporation Spatial-domain lapped transform in digital media compression
CN1225127C (zh) * 2003-09-12 2005-10-26 中国科学院计算技术研究所 一种用于视频编码的编码端/解码端双向预测方法
JP4127818B2 (ja) * 2003-12-24 2008-07-30 株式会社東芝 動画像符号化方法及びその装置
US20050175099A1 (en) * 2004-02-06 2005-08-11 Nokia Corporation Transcoder and associated system, method and computer program product for low-complexity reduced resolution transcoding
US7469070B2 (en) * 2004-02-09 2008-12-23 Lsi Corporation Method for selection of contexts for arithmetic coding of reference picture and motion vector residual bitstream syntax elements
US8170102B2 (en) * 2005-12-19 2012-05-01 Seiko Epson Corporation Macroblock homogeneity analysis and inter mode prediction
KR100773761B1 (ko) * 2006-09-14 2007-11-09 한국전자통신연구원 동영상 부호화 장치 및 방법

Also Published As

Publication number Publication date
WO2006052577A2 (en) 2006-05-18
JP2014090427A (ja) 2014-05-15
US8155191B2 (en) 2012-04-10
EP1808025A2 (en) 2007-07-18
WO2006052577A3 (en) 2006-07-27
JP2012075155A (ja) 2012-04-12
EP1808025B1 (en) 2016-03-09
JP5046335B2 (ja) 2012-10-10
CN101099394A (zh) 2008-01-02
JP2008519503A (ja) 2008-06-05
JP5602710B2 (ja) 2014-10-08
JP5713415B2 (ja) 2015-05-07
CN101099394B (zh) 2010-08-18
US20080008242A1 (en) 2008-01-10

Similar Documents

Publication Publication Date Title
BRPI0515723A (pt) método e aparelho para a decisão de modo rápido de b-quadros em um codificador de vìdeo
ZA202108781B (en) Affine linear weighted intra prediction in video coding
TWI268714B (en) Method and system for dynamic selection of transform size in a video decoder based on signal content
US10070126B2 (en) Method and apparatus of intra mode coding
MY165997A (en) Video coding with large macroblocks
JP2008519503A5 (https=)
BR112019025629A2 (pt) Intra filtragem aplicada junto com processamento de transformada em codificação de vídeo
DE60141329D1 (de) Videokodierung
BR0212658A (pt) método e equipamento para codificar bits de dados em paralelo
MX379020B (es) Reglas para modos de prediccion intra-imagen cuando se habilita el procesamiento paralelo de onda frontal.
WO2011040794A3 (ko) 가변 크기의 매크로블록을 이용한 영상 부호화/복호화 방법 및 장치
RU2009116239A (ru) Геометрическое внутреннее предсказание
BR112014025563A8 (pt) método para decodificar um sinal de vídeo
GB2475463A (en) A method of switching from a first encoded video stream to a second encoded video stream
DK1746841T3 (da) Billedkodningsfremgangsmåde
RU2015142850A (ru) Управляющие данные для набора мозаичных фрагментов с ограничениями движения
WO2010039731A3 (en) Video coding with large macroblocks
PH12017500702B1 (en) An apparatus, a method and a computer program for image sequence coding and decoding
BR112013014374B8 (pt) Método e aparelho para codificação de modo intra em hevc
MY172757A (en) Determining contexts for coding transform coefficient data in video coding
GB2484787B (en) Wireless apparatus and method
IL273712A (en) Chroma quantization in video coding
DE60310368D1 (de) Verfahren zur verhinderung von startkode-emulation und stopfdaten
MX372863B (es) Agrupación de intervalos de omisión de paleta para codificación de video.
EP2232876A4 (en) Block processing of pixels

Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04N 19/577 (2014.01), H04N 19/103 (2014.01), H04N

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B12B Appeal against refusal [chapter 12.2 patent gazette]
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)

B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time