BRPI0411708A - método e aparelho para estimativa de prognóstico ponderado utilizando um diferencial de quadro deslocado - Google Patents
método e aparelho para estimativa de prognóstico ponderado utilizando um diferencial de quadro deslocadoInfo
- Publication number
- BRPI0411708A BRPI0411708A BRPI0411708-5A BRPI0411708A BRPI0411708A BR PI0411708 A BRPI0411708 A BR PI0411708A BR PI0411708 A BRPI0411708 A BR PI0411708A BR PI0411708 A BRPI0411708 A BR PI0411708A
- Authority
- BR
- Brazil
- Prior art keywords
- reference image
- weighted
- compensated
- motion
- image
- Prior art date
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
- H04N19/50—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
- H04N19/10—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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- 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
Abstract
"MéTODO E APARELHO PARA ESTIMATIVA DE PROGNóSTICO PONDERADO UTILIZANDO UM DIFERENCIAL DE QUADRO DESLOCADO". Trata-se de um codificador de vídeo (200, 300) e dos métodos correspondentes (600, 700) que são proporcionados para estimativa de prognóstico ponderado utilizando uma diferença ou diferencial de quadro deslocado, o codificador incorporando um método (700) para receber (712) um bloco de imagem substancialmente não compactado, designar (714) um fator de ponderação para o bloco de imagem correspondendo a uma imagem de referência particular possuindo um índice correspondente, calcular (716) vetores de movimento correspondendo à diferença entre o bloco de imagem e a imagem de referência particular, compensar o movimento (718) da imagem de referência particular em correspondência com os vetores de movimento, multiplicar (720) a imagem de referência com movimento compensado pelo fator de ponderação designado para formar uma imagem de referência com movimento compensado ponderada, subtrair (722)a imagem de referência com movimento compensado ponderada do bloco de imagem substancialmente não compactado e codificar (724) um sinal indicativo da diferença entre o bloco de imagem substancialmente não compactado e a imagem de referência com movimento compensado ponderada junto com o índice correspondente da imagem de referência particular.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48230103P | 2003-06-25 | 2003-06-25 | |
PCT/US2004/020028 WO2005004492A2 (en) | 2003-06-25 | 2004-06-23 | Method and apparatus for weighted prediction estimation using a displaced frame differential |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0411708A true BRPI0411708A (pt) | 2006-08-08 |
Family
ID=33563845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0411708-5A BRPI0411708A (pt) | 2003-06-25 | 2004-06-23 | método e aparelho para estimativa de prognóstico ponderado utilizando um diferencial de quadro deslocado |
Country Status (8)
Country | Link |
---|---|
US (1) | US7809059B2 (pt) |
EP (1) | EP1636998A2 (pt) |
JP (1) | JP2007525072A (pt) |
KR (1) | KR20060055472A (pt) |
CN (1) | CN1810041A (pt) |
BR (1) | BRPI0411708A (pt) |
MX (1) | MXPA05013727A (pt) |
WO (1) | WO2005004492A2 (pt) |
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BRPI0714022A2 (pt) * | 2006-07-06 | 2012-12-04 | Thomson Licensing | método e aparelho para separar o número do quadro e /ou a contagem de ordem de imagem (poc) para codificação e decodificação de vìdeo multi-visão |
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-
2004
- 2004-06-23 US US10/562,250 patent/US7809059B2/en active Active
- 2004-06-23 JP JP2006517552A patent/JP2007525072A/ja not_active Withdrawn
- 2004-06-23 BR BRPI0411708-5A patent/BRPI0411708A/pt not_active Application Discontinuation
- 2004-06-23 CN CNA2004800174188A patent/CN1810041A/zh active Pending
- 2004-06-23 MX MXPA05013727A patent/MXPA05013727A/es not_active Application Discontinuation
- 2004-06-23 EP EP04755900A patent/EP1636998A2/en not_active Withdrawn
- 2004-06-23 KR KR1020057024698A patent/KR20060055472A/ko not_active Application Discontinuation
- 2004-06-23 WO PCT/US2004/020028 patent/WO2005004492A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN1810041A (zh) | 2006-07-26 |
WO2005004492A3 (en) | 2005-04-14 |
US20060198440A1 (en) | 2006-09-07 |
MXPA05013727A (es) | 2006-07-06 |
JP2007525072A (ja) | 2007-08-30 |
EP1636998A2 (en) | 2006-03-22 |
US7809059B2 (en) | 2010-10-05 |
WO2005004492A2 (en) | 2005-01-13 |
KR20060055472A (ko) | 2006-05-23 |
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Legal Events
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B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11Y | Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired | ||
B15K | Others concerning applications: alteration of classification |
Ipc: H04N 19/577 (2014.01), H04N 19/105 (2014.01), H04N |