BRPI0417162A - para codificação de vìdeo, codidicador de vìdeo, método para decodificar vìdeo, decodificador de vìdeo, e meio de armazenamento - Google Patents

para codificação de vìdeo, codidicador de vìdeo, método para decodificar vìdeo, decodificador de vìdeo, e meio de armazenamento

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Publication number
BRPI0417162A
BRPI0417162A BRPI0417162-4A BRPI0417162A BRPI0417162A BR PI0417162 A BRPI0417162 A BR PI0417162A BR PI0417162 A BRPI0417162 A BR PI0417162A BR PI0417162 A BRPI0417162 A BR PI0417162A
Authority
BR
Brazil
Prior art keywords
video
decoding
encoding
decoder
beams
Prior art date
Application number
BRPI0417162-4A
Other languages
English (en)
Inventor
Woo-Jin Han
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR1020040003983A external-priority patent/KR100597402B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of BRPI0417162A publication Critical patent/BRPI0417162A/pt

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    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H04N19/615—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding using motion compensated temporal filtering [MCTF]
    • 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
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    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
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    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
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    • H04N19/142—Detection of scene cut or scene change
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    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
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    • 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
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    • H04N19/179—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 a scene or a shot
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    • H04N19/19—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 using optimisation based on Lagrange multipliers
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    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
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    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
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    • H04N19/647—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]
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    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]

Abstract

"PARA CODIFICAçãO DE VìDEO, CODIFICADOR DE VìDEO, MéTODO PARA DECODIFICAR VìDEO, DECODIFICADOR DE VìDEO, E MEIO DE ARMAZENAMENTO". é revelado um algoritmo de codificação escalonável de vídeo. Um método para codificação de vídeo inclui filtrar temporalmente quadros na mesma seqüência para uma sua seqüência de decodificação para remover redundância temporal, obter e quantizar coeficientes de transformação a partir dos quadros cuja redundância temporal é removida, e gerar feixes de bits. Um codificador de vídeo compreende uma unidade de transformação temporal, uma unidade de transformação espacial, uma unidade de quantização e uma unidade de geração de feixe de bits para realizar o método. Um método para decodificação de vídeo é basicamente reverso na seqüência para a codificação de vídeo. Um decodificador de vídeo extrai informação necessária para a decodificação do vídeo mediante interpretar o feixe de bits recebido e decodifica-lo. Desse modo, feixes de vídeo podem ser gerados mediante permitir a um decodificador decodificar os feixes de bits gerados, mantendo ao mesmo tempo a escalonabilidade temporal em um lado codificador.
BRPI0417162-4A 2003-12-01 2004-11-18 para codificação de vìdeo, codidicador de vìdeo, método para decodificar vìdeo, decodificador de vìdeo, e meio de armazenamento BRPI0417162A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US52582703P 2003-12-01 2003-12-01
US53217903P 2003-12-24 2003-12-24
KR1020040003983A KR100597402B1 (ko) 2003-12-01 2004-01-19 스케일러블 비디오 코딩 및 디코딩 방법, 이를 위한 장치
PCT/KR2004/002989 WO2005055608A1 (en) 2003-12-01 2004-11-18 Method and apparatus for scalable video encoding and decoding

Publications (1)

Publication Number Publication Date
BRPI0417162A true BRPI0417162A (pt) 2007-03-06

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ID=36616553

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BRPI0417162-4A BRPI0417162A (pt) 2003-12-01 2004-11-18 para codificação de vìdeo, codidicador de vìdeo, método para decodificar vìdeo, decodificador de vìdeo, e meio de armazenamento

Country Status (7)

Country Link
EP (1) EP1538567A3 (pt)
JP (2) JP2005168017A (pt)
AU (1) AU2004310917B2 (pt)
BR (1) BRPI0417162A (pt)
CA (1) CA2547628C (pt)
MX (1) MXPA06006117A (pt)
WO (1) WO2005055608A1 (pt)

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US9602840B2 (en) 2006-02-06 2017-03-21 Thomson Licensing Method and apparatus for adaptive group of pictures (GOP) structure selection
KR101365575B1 (ko) * 2007-02-05 2014-02-25 삼성전자주식회사 인터 예측 부호화, 복호화 방법 및 장치
FR2917262A1 (fr) * 2007-06-05 2008-12-12 Thomson Licensing Sas Dispositif et procede de codage d'un contenu video sous la forme d'un flux scalable.
US8363722B2 (en) 2009-03-31 2013-01-29 Sony Corporation Method and apparatus for hierarchical bi-directional intra-prediction in a video encoder
KR101268391B1 (ko) 2010-12-30 2013-05-28 국방과학연구소 영상 처리 장치 및 그 방법
GB2487200A (en) * 2011-01-12 2012-07-18 Canon Kk Video encoding and decoding with improved error resilience
KR20130116782A (ko) 2012-04-16 2013-10-24 한국전자통신연구원 계층적 비디오 부호화에서의 계층정보 표현방식
WO2014112790A1 (ko) * 2013-01-16 2014-07-24 엘지전자 주식회사 영상 디코딩 방법 및 이를 이용하는 장치
RU2568266C1 (ru) * 2014-06-05 2015-11-20 Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "ВОЕННАЯ АКАДЕМИЯ СВЯЗИ имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Способ кодирования и декодирования видеоинформации
KR102476207B1 (ko) * 2015-11-12 2022-12-08 삼성전자주식회사 반도체 장치의 동작 방법 및 반도체 시스템

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MXPA06006117A (es) 2006-08-11
CA2547628A1 (en) 2005-06-16
EP1538567A3 (en) 2010-06-02
JP2008079326A (ja) 2008-04-03
WO2005055608A1 (en) 2005-06-16
AU2004310917B2 (en) 2009-10-01
CA2547628C (en) 2013-03-05
JP2005168017A (ja) 2005-06-23
AU2004310917A1 (en) 2005-06-16
JP4685849B2 (ja) 2011-05-18
EP1538567A2 (en) 2005-06-08

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