BRPI0516348A - equipamento e método para a geração de uma seqüência de vìdeo codificado e para decodificação de uma seqüência de vìdeo codificado usando uma predição de valor residual de camada intermediária - Google Patents
equipamento e método para a geração de uma seqüência de vìdeo codificado e para decodificação de uma seqüência de vìdeo codificado usando uma predição de valor residual de camada intermediáriaInfo
- Publication number
- BRPI0516348A BRPI0516348A BRPI0516348-0A BRPI0516348A BRPI0516348A BR PI0516348 A BRPI0516348 A BR PI0516348A BR PI0516348 A BRPI0516348 A BR PI0516348A BR PI0516348 A BRPI0516348 A BR PI0516348A
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- video sequence
- encoded video
- intermediate layer
- layer
- decoding
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
EQUIPAMENTO E MéTODO PARA A GERAçãO DE UMA SEQüêNCIA DE VìDEO CODIFICADO E PARA DECODIFICAçãO DE UMA SEQüêNCIA DE VìDEO CODIFICADO USANDO UMA PREDIçãO DE VALOR RESIDUAL DE CAMADA INTERMEDIáRIA. Um codificador de vídeo realiza uma predição com compensação de movimentos (1906, 1012, 1014, 1016) tanto na camada de base (1002) como na camada de realce (1004) para determinar dados de movimentos da camada de realce usando os dados de movimentos da camada de base e/ou para predizer seqüências de imagens de erro residual após a predição com compensação de movimentos na camada de realce usando seqüências de imagens de erro residual da camada de base por meio de um preditor de camada intermediária (1018) . No lado do decodificador, é usado um combinador de camada intermediária para o cancelamento dessa predição de camada intermediária. Portanto, é melhorada a taxa de dados quando comparada aos esquemas de escalabilidade, sem a predição da camada intermediária com a mesma qualidade de imagem.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR122018016188A BR122018016188B1 (pt) | 2004-10-15 | 2005-09-21 | equipamento e método para a geração de uma seqüência de vídeo codificado e para decodificação de uma seqüência de vídeo codificado usando uma predição de valor residual de camada intermediária |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61945704P | 2004-10-15 | 2004-10-15 | |
DE102004059978A DE102004059978B4 (de) | 2004-10-15 | 2004-12-13 | Vorrichtung und Verfahren zum Erzeugen einer codierten Videosequenz und zum Decodieren einer codierten Videosequenz unter Verwendung einer Zwischen-Schicht-Restwerte-Prädiktion sowie ein Computerprogramm und ein computerlesbares Medium |
PCT/EP2005/010227 WO2006042612A1 (de) | 2004-10-15 | 2005-09-21 | Vorrichtung und verfahren zum erzeugen einer codierten videosequenz und zum decodieren einer codierten videosequenz unter verwendung einer zwischen-schicht-restwerte-praediktion |
Publications (2)
Publication Number | Publication Date |
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BRPI0516348A true BRPI0516348A (pt) | 2008-09-02 |
BRPI0516348B1 BRPI0516348B1 (pt) | 2018-11-21 |
Family
ID=36129058
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR122018016193-0A BR122018016193B1 (pt) | 2004-10-15 | 2005-09-21 | Equipamento e método para a geração de uma seqüência de vídeo codificado usando uma predição de dados de movimento de camada intermediária |
BR122018016188A BR122018016188B1 (pt) | 2004-10-15 | 2005-09-21 | equipamento e método para a geração de uma seqüência de vídeo codificado e para decodificação de uma seqüência de vídeo codificado usando uma predição de valor residual de camada intermediária |
BRPI0516336A BRPI0516336B1 (pt) | 2004-10-15 | 2005-09-21 | equipamento e método para a geração de uma seqüencia de vídeo codificado usando uma predição de dados de movimento de camada intermediária |
BRPI0516348A BRPI0516348B1 (pt) | 2004-10-15 | 2005-09-21 | equipamento e método para a geração de uma seqüência de vídeo codificado e para decodificação de uma seqüência de vídeo codificado usando uma predição de valor residual de camada intermediária |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR122018016193-0A BR122018016193B1 (pt) | 2004-10-15 | 2005-09-21 | Equipamento e método para a geração de uma seqüência de vídeo codificado usando uma predição de dados de movimento de camada intermediária |
BR122018016188A BR122018016188B1 (pt) | 2004-10-15 | 2005-09-21 | equipamento e método para a geração de uma seqüência de vídeo codificado e para decodificação de uma seqüência de vídeo codificado usando uma predição de valor residual de camada intermediária |
BRPI0516336A BRPI0516336B1 (pt) | 2004-10-15 | 2005-09-21 | equipamento e método para a geração de uma seqüencia de vídeo codificado usando uma predição de dados de movimento de camada intermediária |
Country Status (7)
Country | Link |
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US (5) | US8218628B2 (pt) |
EP (2) | EP2538677A1 (pt) |
JP (2) | JP2011109691A (pt) |
CN (14) | CN102098514B (pt) |
BR (4) | BR122018016193B1 (pt) |
DE (2) | DE102004059993B4 (pt) |
MX (2) | MX2007004409A (pt) |
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