BR0314824A - Ponderação implìcita de imagens de referência em decodificador de vìdeo - Google Patents

Ponderação implìcita de imagens de referência em decodificador de vìdeo

Info

Publication number
BR0314824A
BR0314824A BR0314824-6A BR0314824A BR0314824A BR 0314824 A BR0314824 A BR 0314824A BR 0314824 A BR0314824 A BR 0314824A BR 0314824 A BR0314824 A BR 0314824A
Authority
BR
Brazil
Prior art keywords
image
reference image
weighting
implicit
reference images
Prior art date
Application number
BR0314824-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Jill Macdonald Boyce
Original Assignee
Thomson Licensing Sa
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 Sa filed Critical Thomson Licensing Sa
Publication of BR0314824A publication Critical patent/BR0314824A/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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR0314824-6A 2002-10-01 2003-09-10 Ponderação implìcita de imagens de referência em decodificador de vìdeo BR0314824A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41544302P 2002-10-01 2002-10-01
PCT/US2003/028189 WO2004032357A1 (en) 2002-10-01 2003-09-10 Implicit weighting of reference pictures in a video decoder

Publications (1)

Publication Number Publication Date
BR0314824A true BR0314824A (pt) 2005-08-02

Family

ID=32069857

Family Applications (2)

Application Number Title Priority Date Filing Date
BR0314824-6A BR0314824A (pt) 2002-10-01 2003-09-10 Ponderação implìcita de imagens de referência em decodificador de vìdeo
BR0314948-0A BR0314948A (pt) 2002-10-01 2003-09-10 Ponderação implìcita de imagens de referência em codificador de vìdeo

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR0314948-0A BR0314948A (pt) 2002-10-01 2003-09-10 Ponderação implìcita de imagens de referência em codificador de vìdeo

Country Status (15)

Country Link
US (1) US7720152B2 (https=)
EP (3) EP2603001A1 (https=)
JP (7) JP2006501760A (https=)
KR (2) KR101004688B1 (https=)
CN (3) CN1689325B (https=)
AU (2) AU2003273307A1 (https=)
BR (2) BR0314824A (https=)
CA (2) CA2500301C (https=)
MX (2) MXPA05003464A (https=)
MY (2) MY143068A (https=)
PL (3) PL395467A1 (https=)
RU (2) RU2342803C2 (https=)
TW (2) TWI239775B (https=)
WO (2) WO2004032357A1 (https=)
ZA (2) ZA200502372B (https=)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100508798B1 (ko) * 2002-04-09 2005-08-19 엘지전자 주식회사 쌍방향 예측 블록 예측 방법
US7088776B2 (en) 2002-07-15 2006-08-08 Apple Computer, Inc. Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
AU2003281133A1 (en) * 2002-07-15 2004-02-02 Hitachi, Ltd. Moving picture encoding method and decoding method
US6728315B2 (en) 2002-07-24 2004-04-27 Apple Computer, Inc. Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding with reduced requirements for division operations
US8254461B2 (en) 2002-07-24 2012-08-28 Apple Inc. Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding with reduced requirements for division operations
US7809059B2 (en) 2003-06-25 2010-10-05 Thomson Licensing Method and apparatus for weighted prediction estimation using a displaced frame differential
KR101201930B1 (ko) * 2004-09-16 2012-11-19 톰슨 라이센싱 국부적 밝기 변동을 이용한 가중화된 예측을 가진 비디오 코덱
KR20060063604A (ko) * 2004-12-06 2006-06-12 엘지전자 주식회사 영상 신호의 인코딩 및 디코딩 방법
KR101102393B1 (ko) * 2004-12-06 2012-01-05 엘지전자 주식회사 에러 파급을 방지하는 영상신호의 엔코딩 및 디코딩 방법과장치
KR20060070400A (ko) * 2004-12-20 2006-06-23 엘지전자 주식회사 영상 신호의 인코딩 및 디코딩 방법
CN101228794B (zh) * 2005-07-21 2011-05-11 汤姆森许可贸易公司 针对加权预测的可分级视频编码方法及设备
WO2007018688A1 (en) * 2005-07-22 2007-02-15 Thomson Licensing Method and apparatus for weighted prediction for scalable video coding
KR100701129B1 (ko) * 2005-09-28 2007-03-28 한국전자통신연구원 영상 부호화기에서 고속 블록 모드 결정 방법
JP4867497B2 (ja) * 2006-06-21 2012-02-01 ソニー株式会社 情報処理装置および方法、復号装置および方法、プログラム、並びに情報処理システム
JP4902854B2 (ja) * 2006-09-12 2012-03-21 パナソニック株式会社 動画像復号化装置、動画像復号化方法、動画像復号化プログラム、動画像符号化装置、動画像符号化方法、動画像符号化プログラム、及び動画像符号化復号化装置
RU2434359C2 (ru) * 2007-07-02 2011-11-20 Ниппон Телеграф Энд Телефон Корпорейшн Способ кодирования и декодирования масштабируемого видео, устройства для их осуществления, программы для их осуществления и машиночитаемые носители, которые хранят эти программы
TWI338869B (en) * 2007-08-03 2011-03-11 Via Tech Inc Method and apparatus for block-based digital encoded picture
RU2461978C2 (ru) * 2007-10-25 2012-09-20 Ниппон Телеграф Энд Телефон Корпорейшн Способ масштабируемого кодирования и способ масштабируемого декодирования видеоинформации, устройства для них, программы для них и носитель записи, на котором записаны программы
CN102187656B (zh) * 2008-10-27 2014-10-01 日本电信电话株式会社 像素预测值生成顺序自动生成方法、图像编码方法、图像解码方法、其装置
JP5071413B2 (ja) 2009-03-02 2012-11-14 沖電気工業株式会社 動画像符号化装置、方法及びプログラム、並びに、動画像符号化システム
JP2011082683A (ja) * 2009-10-05 2011-04-21 Sony Corp 画像処理装置、画像処理方法、及び、プログラム
CA2798231C (en) * 2010-05-14 2022-10-04 Thomson Licensing Methods and apparatus for intra coding a block having pixels assigned to groups
WO2012093890A2 (ko) * 2011-01-07 2012-07-12 삼성전자 주식회사 양방향 예측 및 단일방향 예측이 가능한 비디오 예측 방법 및 그 장치, 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치
KR20120088488A (ko) 2011-01-31 2012-08-08 한국전자통신연구원 시간적 움직임 벡터 저장 방법 및 그 장치
JP2012244353A (ja) * 2011-05-18 2012-12-10 Sony Corp 画像処理装置および方法
RU2600547C2 (ru) 2011-09-09 2016-10-20 Кт Корпорейшн Способ получения вектора движения с временным предсказанием и устройство, использующее этот способ
GB2494468B (en) * 2011-09-12 2014-01-15 Canon Kk Method and device for encoding or decoding information representing prediction modes
PL3197164T3 (pl) 2011-10-17 2021-04-19 Kabushiki Kaisha Toshiba Urządzenie dekodujące i metoda dekodowania
JP5698644B2 (ja) * 2011-10-18 2015-04-08 株式会社Ｎｔｔドコモ 動画像予測符号化方法、動画像予測符号化装置、動画像予測符号化プログラム、動画像予測復号方法、動画像予測復号装置及び動画像予測復号プログラム
JP5485969B2 (ja) * 2011-11-07 2014-05-07 株式会社Ｎｔｔドコモ 動画像予測符号化装置、動画像予測符号化方法、動画像予測符号化プログラム、動画像予測復号装置、動画像予測復号方法及び動画像予測復号プログラム
US9432665B2 (en) 2011-12-02 2016-08-30 Qualcomm Incorporated Coding least significant bits of picture order count values identifying long-term reference pictures
CN103246658B (zh) * 2012-02-03 2017-02-08 展讯通信（上海）有限公司 建立索引表方法和编码方法
MX345247B (es) 2012-04-16 2017-01-23 Samsung Electronics Co Ltd Metodo y aparato para determinar conjunto de representación de referencia de imagen.
EP2869574B1 (en) 2012-06-27 2018-08-29 Kabushiki Kaisha Toshiba Encoding method, decoding method, encoding device, and decoding device
WO2014028838A1 (en) * 2012-08-16 2014-02-20 Vid Scale, Inc. Slice based skip mode signaling for multiple layer video coding
CN111193930B (zh) * 2013-12-16 2021-11-30 浙江大学 一种前向双假设编码图像块的编解码方法和装置
CN109479141B (zh) * 2016-07-12 2023-07-14 韩国电子通信研究院 图像编码/解码方法和用于所述方法的记录介质
WO2018164504A1 (ko) 2017-03-09 2018-09-13 주식회사 케이티 비디오 신호 처리 방법 및 장치

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383272A (en) 1981-04-13 1983-05-10 Bell Telephone Laboratories, Incorporated Video signal interpolation using motion estimation
US4663665A (en) * 1985-01-07 1987-05-05 Nippon Hoso Kyokai TV system conversion apparatus
JP2530217B2 (ja) 1989-01-20 1996-09-04 日本ビクター株式会社 フレ―ム間予測符号化装置及び復号装置
US4985768A (en) * 1989-01-20 1991-01-15 Victor Company Of Japan, Ltd. Inter-frame predictive encoding system with encoded and transmitted prediction error
JPH0832047B2 (ja) * 1989-04-28 1996-03-27 日本ビクター株式会社 予測符号化装置
US5151784A (en) 1991-04-30 1992-09-29 At&T Bell Laboratories Multiple frame motion estimation
US5467136A (en) 1991-05-31 1995-11-14 Kabushiki Kaisha Toshiba Video decoder for determining a motion vector from a scaled vector and a difference vector
US5369449A (en) * 1991-11-08 1994-11-29 Matsushita Electric Industrial Co., Ltd. Method for predicting move compensation
US5301019A (en) 1992-09-17 1994-04-05 Zenith Electronics Corp. Data compression system having perceptually weighted motion vectors
RU2123769C1 (ru) 1993-04-09 1998-12-20 Сони Корпорейшн Способы и устройства кодирования изображений и носители информации для записи изображений
CN1174645A (zh) * 1994-12-06 1998-02-25 Cfb(新图象设计中心)有限公司 图像转换的方法与设备
RU2093968C1 (ru) 1995-08-02 1997-10-20 Закрытое акционерное общество "Техно-ТМ" Способ кодирования-декодирования изображений и устройство для его осуществления
EP0765087B1 (en) 1995-08-29 2003-11-12 Sharp Kabushiki Kaisha Video coding device
JPH09121358A (ja) * 1995-10-25 1997-05-06 Matsushita Electric Ind Co Ltd 画像符号化及び復号化装置と方法
US6031575A (en) * 1996-03-22 2000-02-29 Sony Corporation Method and apparatus for encoding an image signal, method and apparatus for decoding an image signal, and recording medium
JP3263807B2 (ja) * 1996-09-09 2002-03-11 ソニー株式会社 画像符号化装置および画像符号化方法
US6031676A (en) 1998-04-09 2000-02-29 Storage Technology Corporation System for sensing a tape cartridge
JP2000092494A (ja) * 1998-09-09 2000-03-31 Sony Corp 画像処理装置および方法、並びに提供媒体
US6414992B1 (en) * 1999-01-27 2002-07-02 Sun Microsystems, Inc. Optimal encoding of motion compensated video
US6680921B1 (en) 1999-06-18 2004-01-20 Telefonaktiebolaget Lm Ericsson (Publ) Estimation of time stamps in real-time packet communications
US6711211B1 (en) 2000-05-08 2004-03-23 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
WO2002009419A2 (en) 2000-07-20 2002-01-31 Giant Leap Ahead Limited Method and apparatus for determining motion vectors in dynamic images
RU2182727C2 (ru) 2000-07-20 2002-05-20 Дворкович Александр Викторович Способ поиска векторов движения деталей в динамических изображениях
US6782054B2 (en) 2001-04-20 2004-08-24 Koninklijke Philips Electronics, N.V. Method and apparatus for motion vector estimation
JP2004007379A (ja) 2002-04-10 2004-01-08 Toshiba Corp 動画像符号化方法及び動画像復号化方法
US7903742B2 (en) * 2002-07-15 2011-03-08 Thomson Licensing Adaptive weighting of reference pictures in video decoding
PT2320659E (pt) * 2002-08-08 2014-11-13 Panasonic Ip Corp America Método de codificação e método de descodificação de imagens em movimento
US7515637B2 (en) * 2004-05-21 2009-04-07 Broadcom Advanced Compression Group, Llc Video decoding for motion compensation with weighted prediction

Also Published As

Publication number Publication date
PL395467A1 (pl) 2011-08-29
JP2006501760A (ja) 2006-01-12
PL375706A1 (en) 2005-12-12
JP2012039651A (ja) 2012-02-23
EP1547381A1 (en) 2005-06-29
MXPA05003464A (es) 2005-07-05
AU2003268563A1 (en) 2004-04-23
JP2010239660A (ja) 2010-10-21
BR0314948A (pt) 2005-08-02
TWI239775B (en) 2005-09-11
TWI230519B (en) 2005-04-01
EP1547381A4 (en) 2010-11-03
JP2006501761A (ja) 2006-01-12
KR20050063776A (ko) 2005-06-28
JP2010220265A (ja) 2010-09-30
JP2012039650A (ja) 2012-02-23
AU2003273307A1 (en) 2004-04-23
EP1547264A4 (en) 2010-11-03
CN101527853B (zh) 2011-02-16
CA2500301C (en) 2013-05-14
PL375705A1 (en) 2005-12-12
TW200423566A (en) 2004-11-01
RU2005113316A (ru) 2005-09-20
KR101037768B1 (ko) 2011-05-27
MY143943A (en) 2011-07-29
US20060133486A1 (en) 2006-06-22
ZA200502372B (en) 2006-05-31
EP2603001A1 (en) 2013-06-12
TW200428878A (en) 2004-12-16
WO2004032506A1 (en) 2004-04-15
US7720152B2 (en) 2010-05-18
ZA200502370B (en) 2006-05-31
CN1689325A (zh) 2005-10-26
EP1547264A1 (en) 2005-06-29
JP2012209964A (ja) 2012-10-25
CA2500307C (en) 2011-11-29
CA2500307A1 (en) 2004-04-15
RU2005113314A (ru) 2005-09-20
CN1689242B (zh) 2011-09-14
WO2004032357A1 (en) 2004-04-15
MY143068A (en) 2011-02-28
CN101527853A (zh) 2009-09-09
RU2335860C2 (ru) 2008-10-10
CN1689242A (zh) 2005-10-26
MXPA05003463A (es) 2005-07-05
KR20050065567A (ko) 2005-06-29
RU2342803C2 (ru) 2008-12-27
KR101004688B1 (ko) 2011-01-04
CA2500301A1 (en) 2004-04-15
CN1689325B (zh) 2012-05-30

Similar Documents

Publication Publication Date Title
BR0314824A (pt) Ponderação implìcita de imagens de referência em decodificador de vìdeo
BR0305519A (pt) Ponderação adapatativa de imagens de referência na codificação de vìdeo
BR0305518A (pt) Ponderação adaptável de imagens de referência em decodificação de vìdeo
JP2018125851A5 (https=)
JP2007060713A5 (https=)
BRPI0509581A (pt) decodificação de vìdeo de complexidade escalonável
EP4465630A3 (en) Methods and apparatus for reducing the coding latency of decoder-side motion refinement
MXPA04007021A (es) Metodo de compensacion de movimiento, metodo de codificacion de imagenes y metodo de decodificacion de imagenes.
JP2007104699A5 (https=)
BR0110770A (pt) Método de codificação/ decodificação de um sinal de vìdeo representando uma sequência de imagens, e, codificador/decodificador de vìdeo
JP2007068217A5 (https=)
ATE189353T1 (de) Videodatenkodierer und -dekodierer
MY137057A (en) Motion estimation with weighting prediction
JP2007068216A5 (https=)
EP3806469A3 (en) Method and device for encoding a sequence of images and method and device for decoding a sequence of images
WO2012094660A3 (en) Method and apparatus for computing video motion vector
BRPI0611672A2 (pt) codificador e decodificador de imagem, mÉtodo de codificaÇço de imagem, programa de codificaÇço de imagem, meio de gravaÇço legÍvel por computador, mÉtodo de decodificaÇço de imagem, programa de decodificaÇço de imagem, e, corrente de bits codificada por imagem
BRPI0519842A2 (pt) dispositivo e método para codificar e decodificar de forma redimensionável, um fluxo de dados de imagem, um sinal, programa de computador e um módulo de adaptação para uma qualidade de imagem correspondente
CN1215282A (zh) 减少视频译码器处理能力需求的方法
BRPI0508354A (pt) método de codificação de vìdeo, formato de super-seqüência de bits, codificador de vìdeo, método de pré-decodificação, pré-decodificador, método para reconstrução de uma seqüência de vìdeo, aparelho para reconstrução de uma seqüência de vìdeo original a partir de uma seqüência de vìdeo compactada, mìdia de gravação incluindo um programa passìvel de leitura em computador gravado na mesma, e método para filtragem de uma imagem obtida através de amostragem descendente baseada em onda pequena
EP2416573A3 (en) Method of real time MPEG-4 texture decoding for a multiprocessor environment
JP2008005145A5 (https=)
BRPI0418423A (pt) técnica de ocultação de erro utilização previsão ponderada
WO2008108372A1 (ja) 重み付き予測情報算出方法、装置、プログラム、動画像符号化方法、装置、およびプログラム
BRPI0600366A (pt) aparelho e método de processamento de informação, sistema de administração de conteúdo, meio de gravação de informação, e, programa de computador

Legal Events

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

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04B 1/66

Ipc: H04N 19/577 (2014.01)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]