BR112013001241A2 - método de codificação de imagem em movimento e método de decodificação de imagem em movimento - Google Patents
método de codificação de imagem em movimento e método de decodificação de imagem em movimentoInfo
- Publication number
- BR112013001241A2 BR112013001241A2 BR112013001241-2A BR112013001241A BR112013001241A2 BR 112013001241 A2 BR112013001241 A2 BR 112013001241A2 BR 112013001241 A BR112013001241 A BR 112013001241A BR 112013001241 A2 BR112013001241 A2 BR 112013001241A2
- Authority
- BR
- Brazil
- Prior art keywords
- moving image
- motion vector
- decoding method
- encoding method
- vector
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 6
- 239000013598 vector Substances 0.000 abstract 6
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000002123 temporal effect Effects 0.000 abstract 1
Classifications
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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
- H04N19/10—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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- 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
- H04N19/176—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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- 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
- H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
-
- 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
- H04N19/513—Processing of motion vectors
-
- 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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
método de codificação de imagem em movimento e método de decodificação de imagem em movimento. a presente invenção refere-se a um método de codificação de imagem em movimento e um método de decodificação de imagem em movimento, o que torna possível derivar um vetor de movimento mais adequado para uma imagem atual a ser codificada e aumentar uma taxa de compressão. um aparelho de codificação de imagem em movimento (100) inclui: uma unidade de controle de interprognóstico (109) que determina codificar um vetor de movimento usando, entre uma pluralidade de vetores de movimento candidatos prognosticados, um vetor de movimento candidato provado pela estimativa de movimento; uma unidade de determinação do tipo de imagem (110) que gera informação do tipo de imagem; uma unidade de cálculo de vetor de direção temporal (111) que deriva um vetor de movimento candidato prognosticado em condução temporal; e uma unidade de determinação de direção de referência colocalizada (112) que gera, para cada imagem, uma marca de direção de referência colocalizada.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201161431883P | 2011-01-12 | 2011-01-12 | |
US61/431,883 | 2011-01-12 | ||
PCT/JP2012/000131 WO2012096173A1 (ja) | 2011-01-12 | 2012-01-11 | 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 |
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BR112013001241A2 true BR112013001241A2 (pt) | 2018-01-23 |
Family
ID=46455227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112013001241-2A BR112013001241A2 (pt) | 2011-01-12 | 2012-01-11 | método de codificação de imagem em movimento e método de decodificação de imagem em movimento |
Country Status (7)
Country | Link |
---|---|
US (6) | US9083981B2 (pt) |
EP (1) | EP2665271A4 (pt) |
JP (4) | JPWO2012096173A1 (pt) |
KR (2) | KR101913086B1 (pt) |
CN (2) | CN106878742B (pt) |
BR (1) | BR112013001241A2 (pt) |
WO (1) | WO2012096173A1 (pt) |
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US20220201324A1 (en) | 2022-06-23 |
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EP2665271A4 (en) | 2014-06-18 |
EP2665271A1 (en) | 2013-11-20 |
JP2017204882A (ja) | 2017-11-16 |
KR20140029347A (ko) | 2014-03-10 |
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KR101913086B1 (ko) | 2018-10-29 |
JP2014042307A (ja) | 2014-03-06 |
US11317112B2 (en) | 2022-04-26 |
CN106878742B (zh) | 2020-01-07 |
WO2012096173A1 (ja) | 2012-07-19 |
US20150245048A1 (en) | 2015-08-27 |
JP6478133B2 (ja) | 2019-03-06 |
KR101820997B1 (ko) | 2018-01-22 |
US20240056597A1 (en) | 2024-02-15 |
CN106878742A (zh) | 2017-06-20 |
US20210105501A1 (en) | 2021-04-08 |
US11838534B2 (en) | 2023-12-05 |
JP6187886B2 (ja) | 2017-08-30 |
CN106851306A (zh) | 2017-06-13 |
KR20180009387A (ko) | 2018-01-26 |
CN103004209A (zh) | 2013-03-27 |
US20120177125A1 (en) | 2012-07-12 |
JPWO2012096173A1 (ja) | 2014-06-09 |
US10237569B2 (en) | 2019-03-19 |
US10904556B2 (en) | 2021-01-26 |
JP5970654B2 (ja) | 2016-08-17 |
CN106851306B (zh) | 2020-08-04 |
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