BR0303901A - Método de determinação de poder de filtragem, método de codificação de imagem móvel e método de decodificação de imagem móvel - Google Patents
Método de determinação de poder de filtragem, método de codificação de imagem móvel e método de decodificação de imagem móvelInfo
- Publication number
- BR0303901A BR0303901A BR0303901-3A BR0303901A BR0303901A BR 0303901 A BR0303901 A BR 0303901A BR 0303901 A BR0303901 A BR 0303901A BR 0303901 A BR0303901 A BR 0303901A
- Authority
- BR
- Brazil
- Prior art keywords
- filter
- moving image
- power determination
- image decoding
- filtering power
- Prior art date
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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
- H04N19/50—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
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- 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
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Abstract
"MéTODO DE DETERMINAçãO DE PODER DE FILTRAGEM, MéTODO DE CODIFICAçãO DE IMAGEM MóVEL E MéTODO DE DECODIFICAçãO DE IMAGEM MóVEL". A presente invenção refere-se a um aparelho de codificação de imagem móvel que inclui (i) um filtro interpixel (114) que tem os seguintes filtros para filtrar os dados de imagem decodificados de modo a remover a distorção do bloco a qual é um ruído de alta freq³ência ao redor dos limites do bloco: um filtro A114a, um filtro B114b, um filtro C114c, um filtro D114d, cada um tendo um poder de filtragem diferente, e (ii) uma unidade de controle de processamento de filtro (110) para determinar um poder de filtragem do filtro interpixel (114).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002202796 | 2002-07-11 | ||
PCT/JP2003/008070 WO2004008773A1 (ja) | 2002-07-11 | 2003-06-26 | フィルタリング強度の決定方法、動画像符号化方法、および動画像復号化方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0303901A true BR0303901A (pt) | 2004-08-10 |
Family
ID=30112647
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0303901-3A BR0303901A (pt) | 2002-07-11 | 2003-06-26 | Método de determinação de poder de filtragem, método de codificação de imagem móvel e método de decodificação de imagem móvel |
BRPI0303901-3A BRPI0303901B1 (pt) | 2002-07-11 | 2003-06-26 | Método de determinação de poder de filtragem para determinar um poder de filtragem para remover uma distorção de codificação entre blocos que constituem uma imagem, método de decodificação de imagem móvel para decodificar os dados de imagem móvel codificados, aparelho de determinação de poder de filtragem, e aparelho de codificação de imagem móvel |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0303901-3A BRPI0303901B1 (pt) | 2002-07-11 | 2003-06-26 | Método de determinação de poder de filtragem para determinar um poder de filtragem para remover uma distorção de codificação entre blocos que constituem uma imagem, método de decodificação de imagem móvel para decodificar os dados de imagem móvel codificados, aparelho de determinação de poder de filtragem, e aparelho de codificação de imagem móvel |
Country Status (11)
Country | Link |
---|---|
US (12) | US7372905B2 (pt) |
EP (2) | EP2164261A3 (pt) |
JP (1) | JP2008187734A (pt) |
CN (1) | CN100358366C (pt) |
AU (1) | AU2003244072B2 (pt) |
BR (2) | BR0303901A (pt) |
CA (1) | CA2448064C (pt) |
MX (1) | MXPA04002265A (pt) |
MY (1) | MY145262A (pt) |
TW (2) | TWI317107B (pt) |
WO (1) | WO2004008773A1 (pt) |
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