BR112017023403A2 - método e aparelho para codificação aritmética binária adaptativa de contexto baseado em múltiplas tabelas - Google Patents
método e aparelho para codificação aritmética binária adaptativa de contexto baseado em múltiplas tabelasInfo
- Publication number
- BR112017023403A2 BR112017023403A2 BR112017023403A BR112017023403A BR112017023403A2 BR 112017023403 A2 BR112017023403 A2 BR 112017023403A2 BR 112017023403 A BR112017023403 A BR 112017023403A BR 112017023403 A BR112017023403 A BR 112017023403A BR 112017023403 A2 BR112017023403 A2 BR 112017023403A2
- Authority
- BR
- Brazil
- Prior art keywords
- arithmetic coding
- adaptive binary
- coding based
- multiple tables
- contextual arithmetic
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
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
- H04N19/10—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
- H04N19/198—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
- H04N19/21—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding with binary alpha-plane coding for video objects, e.g. context-based arithmetic encoding [CAE]
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562163473P | 2015-05-19 | 2015-05-19 | |
| US62/163,473 | 2015-05-19 | ||
| US201562214129P | 2015-09-03 | 2015-09-03 | |
| US62/214,129 | 2015-09-03 | ||
| US201662322306P | 2016-04-14 | 2016-04-14 | |
| US62/322,306 | 2016-04-14 | ||
| PCT/CN2016/082645 WO2016184399A1 (en) | 2015-05-19 | 2016-05-19 | Method and apparatus for multi-table based context adaptive binary arithmetic coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112017023403A2 true BR112017023403A2 (pt) | 2018-08-07 |
| BR112017023403B1 BR112017023403B1 (pt) | 2023-09-05 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| EP3269141B1 (en) | 2021-06-23 |
| US20190149824A1 (en) | 2019-05-16 |
| MX2017014838A (es) | 2018-02-19 |
| CN107534772B (zh) | 2020-05-19 |
| CN107534772A (zh) | 2018-01-02 |
| EP3269141A1 (en) | 2018-01-17 |
| CN111614957A (zh) | 2020-09-01 |
| KR20170131670A (ko) | 2017-11-29 |
| MX374712B (es) | 2025-03-06 |
| KR102051200B1 (ko) | 2019-12-02 |
| US10225555B2 (en) | 2019-03-05 |
| EP3269141A4 (en) | 2018-09-12 |
| US10742984B2 (en) | 2020-08-11 |
| CN111614957B (zh) | 2022-03-22 |
| US20180139445A1 (en) | 2018-05-17 |
| WO2016184399A1 (en) | 2016-11-24 |
| ZA201708435B (en) | 2019-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/05/2016, OBSERVADAS AS CONDICOES LEGAIS |