JP4717780B2 - 符号化装置及びその制御方法 - Google Patents
符号化装置及びその制御方法 Download PDFInfo
- Publication number
- JP4717780B2 JP4717780B2 JP2006298214A JP2006298214A JP4717780B2 JP 4717780 B2 JP4717780 B2 JP 4717780B2 JP 2006298214 A JP2006298214 A JP 2006298214A JP 2006298214 A JP2006298214 A JP 2006298214A JP 4717780 B2 JP4717780 B2 JP 4717780B2
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- JP
- Japan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
-
- 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]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006298214A JP4717780B2 (ja) | 2006-11-01 | 2006-11-01 | 符号化装置及びその制御方法 |
| PCT/JP2007/071442 WO2008054005A2 (en) | 2006-11-01 | 2007-10-30 | Encoding apparatus and control method thereof |
| US12/440,867 US8588540B2 (en) | 2006-11-01 | 2007-10-30 | Arithmetic encoding apparatus executing normalization and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006298214A JP4717780B2 (ja) | 2006-11-01 | 2006-11-01 | 符号化装置及びその制御方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011045692A Division JP4936574B2 (ja) | 2011-03-02 | 2011-03-02 | 符号化装置及びその制御方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008118307A JP2008118307A (ja) | 2008-05-22 |
| JP2008118307A5 JP2008118307A5 (cg-RX-API-DMAC7.html) | 2009-12-17 |
| JP4717780B2 true JP4717780B2 (ja) | 2011-07-06 |
Family
ID=39328786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006298214A Expired - Fee Related JP4717780B2 (ja) | 2006-11-01 | 2006-11-01 | 符号化装置及びその制御方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8588540B2 (cg-RX-API-DMAC7.html) |
| JP (1) | JP4717780B2 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2008054005A2 (cg-RX-API-DMAC7.html) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687512A (zh) * | 2009-12-28 | 2012-09-19 | 松下电器产业株式会社 | 图像编码装置以及集成电路 |
| CA2810899C (en) | 2010-10-05 | 2016-08-09 | General Instrument Corporation | Coding and decoding utilizing adaptive context model selection with zigzag scan |
| US8938001B1 (en) * | 2011-04-05 | 2015-01-20 | Google Inc. | Apparatus and method for coding using combinations |
| US8798139B1 (en) * | 2011-06-29 | 2014-08-05 | Zenverge, Inc. | Dual-pipeline CABAC encoder architecture |
| US9258565B1 (en) | 2011-06-29 | 2016-02-09 | Freescale Semiconductor, Inc. | Context model cache-management in a dual-pipeline CABAC architecture |
| US8891616B1 (en) | 2011-07-27 | 2014-11-18 | Google Inc. | Method and apparatus for entropy encoding based on encoding cost |
| US9247257B1 (en) | 2011-11-30 | 2016-01-26 | Google Inc. | Segmentation based entropy encoding and decoding |
| US11039138B1 (en) | 2012-03-08 | 2021-06-15 | Google Llc | Adaptive coding of prediction modes using probability distributions |
| US9774856B1 (en) | 2012-07-02 | 2017-09-26 | Google Inc. | Adaptive stochastic entropy coding |
| US9509998B1 (en) | 2013-04-04 | 2016-11-29 | Google Inc. | Conditional predictive multi-symbol run-length coding |
| US9392288B2 (en) | 2013-10-17 | 2016-07-12 | Google Inc. | Video coding using scatter-based scan tables |
| US9179151B2 (en) | 2013-10-18 | 2015-11-03 | Google Inc. | Spatial proximity context entropy coding |
| EP3163876A4 (en) * | 2014-06-29 | 2018-02-28 | LG Electronics Inc. | Method and apparatus for performing arithmetic coding by limited carry operation |
| CN107743239B (zh) | 2014-09-23 | 2020-06-16 | 清华大学 | 一种视频数据编码、解码的方法及装置 |
| WO2019010233A1 (en) * | 2017-07-05 | 2019-01-10 | Red. Com, Llc | PROCESSING VIDEO IMAGE DATA IN ELECTRONIC DEVICES |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905297A (en) * | 1986-09-15 | 1990-02-27 | International Business Machines Corporation | Arithmetic coding encoder and decoder system |
| JP3108479B2 (ja) * | 1991-08-28 | 2000-11-13 | 株式会社リコー | 符号化復号化方法およびその装置 |
| KR950013404B1 (ko) * | 1991-11-15 | 1995-11-08 | 미쯔비시덴끼 가부시끼가이샤 | 부호전송장치 |
| JP3018990B2 (ja) * | 1996-07-18 | 2000-03-13 | 日本電気株式会社 | 算術符号化装置 |
| US5859604A (en) * | 1997-01-14 | 1999-01-12 | International Business Machines Corporation | Merged VLSI implementation of hardware optimized Q-Coder and software optimized QM-Coder |
| JP2002094386A (ja) * | 2000-09-12 | 2002-03-29 | Mitsubishi Electric Corp | 符号化装置、復号装置、符号化方法および復号方法 |
| JP3798376B2 (ja) * | 2000-12-27 | 2006-07-19 | 三菱電機株式会社 | 複数品質データ生成符号化器、及び複数品質データ生成符号化方法 |
| US6677869B2 (en) * | 2001-02-22 | 2004-01-13 | Panasonic Communications Co., Ltd. | Arithmetic coding apparatus and image processing apparatus |
| US6950558B2 (en) * | 2001-03-30 | 2005-09-27 | Ricoh Co., Ltd. | Method and apparatus for block sequential processing |
| JP3801501B2 (ja) * | 2001-12-18 | 2006-07-26 | 三菱電機株式会社 | 符号化装置及び復号装置及び符号化・復号装置及び符号化方法及び復号方法及び符号化・復号方法及びプログラム |
| PT2296282E (pt) * | 2002-05-02 | 2013-12-05 | Fraunhofer Ges Forschung | Método e processo para a codificação e descodificação aritmética com aplicação de múltiplas tabelas de pesquisa |
| US6825782B2 (en) * | 2002-09-20 | 2004-11-30 | Ntt Docomo, Inc. | Method and apparatus for arithmetic coding and termination |
| JP4240283B2 (ja) * | 2002-10-10 | 2009-03-18 | ソニー株式会社 | 復号装置及び復号方法 |
| JP4453398B2 (ja) * | 2004-03-01 | 2010-04-21 | ソニー株式会社 | 符号化装置、プログラム、および符号化処理方法 |
| US7176815B1 (en) * | 2004-09-24 | 2007-02-13 | Texas Instruments Incorporated | Video coding with CABAC |
| US7221296B2 (en) * | 2005-08-22 | 2007-05-22 | Streaming Networks (Pvt.) Ltd. | Method and system for fast context based adaptive binary arithmetic coding |
| FR2903269B1 (fr) * | 2006-06-28 | 2008-10-03 | Assistance Tech Et Etude De Ma | Dispositif et procede d'encodage de type cabac |
-
2006
- 2006-11-01 JP JP2006298214A patent/JP4717780B2/ja not_active Expired - Fee Related
-
2007
- 2007-10-30 US US12/440,867 patent/US8588540B2/en not_active Expired - Fee Related
- 2007-10-30 WO PCT/JP2007/071442 patent/WO2008054005A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008054005A3 (en) | 2008-07-17 |
| JP2008118307A (ja) | 2008-05-22 |
| US8588540B2 (en) | 2013-11-19 |
| WO2008054005A2 (en) | 2008-05-08 |
| US20100054328A1 (en) | 2010-03-04 |
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