BRPI0511687A - método, equipamento e sistema para aperfeiçoar robustez de codecs de vìdeo preditivos utilizando um canal lateral com base em técnicas de codificação de fonte distribuìda - Google Patents
método, equipamento e sistema para aperfeiçoar robustez de codecs de vìdeo preditivos utilizando um canal lateral com base em técnicas de codificação de fonte distribuìdaInfo
- Publication number
- BRPI0511687A BRPI0511687A BRPI0511687-2A BRPI0511687A BRPI0511687A BR PI0511687 A BRPI0511687 A BR PI0511687A BR PI0511687 A BRPI0511687 A BR PI0511687A BR PI0511687 A BRPI0511687 A BR PI0511687A
- Authority
- BR
- Brazil
- Prior art keywords
- equipment
- coding techniques
- distributed source
- source coding
- robustness
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0014—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/39—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/395—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability involving distributed video coding [DVC], e.g. Wyner-Ziv video coding or Slepian-Wolf video coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0096—Channel splitting in point-to-point links
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
MéTODO, EQUIPAMENTO E SISTEMA. PARA APERFEIçOAR ROBUSTEZ DE CODECS DE VìDEO PREDITIVOS UTILIZANDO UM CANAL LATERAL COM BASE EM TéCNICAS DE CODIFICAçãO DE FONTE DISTRIBUìDA. Um método, equipamento e sistema para fornecer técnicas de codificação de fonte distribuída que melhoram o desempenho de codificação de dados, tal como codificação de dados de vídeo, quando erros ou perdas de canal ocorrem. Erros na reconstrução dos dados são eliminados ou reduzidos pelo envio de informação adicional. A correlação entre uma seqüência preditiva e uma seqüência original pode ser utilizada para se projetar os livros-código e encontrar os conjuntos laterais necessários para se representar a imagem original. Essa informação pode ser enviada através de outro canal, ou um canal secundário.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57619304P | 2004-06-01 | 2004-06-01 | |
US11/140,086 US8331445B2 (en) | 2004-06-01 | 2005-05-27 | Method, apparatus, and system for enhancing robustness of predictive video codecs using a side-channel based on distributed source coding techniques |
PCT/US2005/019157 WO2005120079A2 (en) | 2004-06-01 | 2005-05-31 | Method, apparatus, and system for enhancing robustness of predictive video codecs using a side-channel based on distributed source coding techniques |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0511687A true BRPI0511687A (pt) | 2008-01-08 |
Family
ID=35456878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0511687-2A BRPI0511687A (pt) | 2004-06-01 | 2005-05-31 | método, equipamento e sistema para aperfeiçoar robustez de codecs de vìdeo preditivos utilizando um canal lateral com base em técnicas de codificação de fonte distribuìda |
Country Status (8)
Country | Link |
---|---|
US (2) | US8331445B2 (pt) |
EP (1) | EP1769643B1 (pt) |
JP (2) | JP4660545B2 (pt) |
CN (1) | CN1993996B (pt) |
BR (1) | BRPI0511687A (pt) |
CA (1) | CA2569309A1 (pt) |
MX (1) | MXPA06013791A (pt) |
WO (1) | WO2005120079A2 (pt) |
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-
2005
- 2005-05-27 US US11/140,086 patent/US8331445B2/en active Active
- 2005-05-31 EP EP05755484.2A patent/EP1769643B1/en active Active
- 2005-05-31 CN CN200580026008.4A patent/CN1993996B/zh active Active
- 2005-05-31 BR BRPI0511687-2A patent/BRPI0511687A/pt not_active IP Right Cessation
- 2005-05-31 WO PCT/US2005/019157 patent/WO2005120079A2/en active Search and Examination
- 2005-05-31 MX MXPA06013791A patent/MXPA06013791A/es not_active Application Discontinuation
- 2005-05-31 JP JP2007515507A patent/JP4660545B2/ja active Active
- 2005-05-31 CA CA002569309A patent/CA2569309A1/en not_active Abandoned
-
2008
- 2008-05-15 US US12/120,906 patent/US8379716B2/en active Active
-
2010
- 2010-10-13 JP JP2010230521A patent/JP5221620B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP1769643B1 (en) | 2016-04-27 |
WO2005120079A2 (en) | 2005-12-15 |
MXPA06013791A (es) | 2007-03-01 |
CN1993996A (zh) | 2007-07-04 |
EP1769643A2 (en) | 2007-04-04 |
US20050268200A1 (en) | 2005-12-01 |
CA2569309A1 (en) | 2005-12-15 |
US20080267288A1 (en) | 2008-10-30 |
US8331445B2 (en) | 2012-12-11 |
JP2011061817A (ja) | 2011-03-24 |
JP5221620B2 (ja) | 2013-06-26 |
JP4660545B2 (ja) | 2011-03-30 |
US8379716B2 (en) | 2013-02-19 |
WO2005120079A3 (en) | 2006-04-27 |
CN1993996B (zh) | 2010-09-08 |
JP2008502212A (ja) | 2008-01-24 |
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