JP4230188B2 - 可変長符号化方法および可変長復号化方法 - Google Patents
可変長符号化方法および可変長復号化方法 Download PDFInfo
- Publication number
- JP4230188B2 JP4230188B2 JP2002290541A JP2002290541A JP4230188B2 JP 4230188 B2 JP4230188 B2 JP 4230188B2 JP 2002290541 A JP2002290541 A JP 2002290541A JP 2002290541 A JP2002290541 A JP 2002290541A JP 4230188 B2 JP4230188 B2 JP 4230188B2
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- JP
- Japan
- Prior art keywords
- block
- blocks
- significant coefficients
- encoding
- decoding
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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.)
- Expired - Lifetime
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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
- H04N19/13—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)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002290541A JP4230188B2 (ja) | 2002-06-06 | 2002-10-02 | 可変長符号化方法および可変長復号化方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002166233 | 2002-06-06 | ||
| JP2002290541A JP4230188B2 (ja) | 2002-06-06 | 2002-10-02 | 可変長符号化方法および可変長復号化方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008119337A Division JP4767992B2 (ja) | 2002-06-06 | 2008-04-30 | 可変長符号化方法および可変長復号化方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004064725A JP2004064725A (ja) | 2004-02-26 |
| JP2004064725A5 JP2004064725A5 (enExample) | 2005-10-27 |
| JP4230188B2 true JP4230188B2 (ja) | 2009-02-25 |
Family
ID=31949392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002290541A Expired - Lifetime JP4230188B2 (ja) | 2002-06-06 | 2002-10-02 | 可変長符号化方法および可変長復号化方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4230188B2 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1860796B (zh) * | 2004-07-12 | 2010-06-16 | 索尼株式会社 | 编码方法、编码装置、解码方法、及解码装置 |
| JP2006054846A (ja) * | 2004-07-12 | 2006-02-23 | Sony Corp | 符号化方法、符号化装置、復号方法、復号装置およびそれらのプログラム |
| CN101841714B (zh) | 2004-08-31 | 2012-12-26 | 松下电器产业株式会社 | 运动图像编码、解码方法及装置、记录介质的记录方法 |
| ES2347912T3 (es) * | 2006-01-09 | 2010-11-25 | Matthias Narroschke | Codificación adaptativa de un error de predicción en la codificación de video híbrida. |
| JP4660433B2 (ja) * | 2006-06-29 | 2011-03-30 | 株式会社東芝 | 符号化回路、復号回路、エンコーダ回路、デコーダ回路、cabac処理方法 |
| ES2676119T3 (es) | 2007-03-14 | 2018-07-16 | Nippon Telegraph And Telephone Corporation | Método de control de cuantificación, dispositivo, programa y medio de grabación que contiene el programa |
| ATE515889T1 (de) * | 2007-03-14 | 2011-07-15 | Nippon Telegraph & Telephone | Vorrichtung und verfahren zur schätzung von codemengen, programm und aufzeichnungsmedium dafür |
| BRPI0808567A2 (pt) | 2007-03-14 | 2014-09-02 | Nippon Telegraph & Telephone | Método e aparelho de pesquisa de vetor de movimento, programa para o mesmo, e meio de armazenamento, que armazena o programa |
| CN101632308B (zh) | 2007-03-14 | 2011-08-03 | 日本电信电话株式会社 | 编码比特率控制方法和装置 |
| BRPI0818444A2 (pt) | 2007-10-12 | 2016-10-11 | Qualcomm Inc | codificação adaptativa de informação de cabeçalho de bloco de vídeo |
| US8913666B2 (en) * | 2010-10-01 | 2014-12-16 | Qualcomm Incorporated | Entropy coding coefficients using a joint context model |
| CN104811705B (zh) | 2011-01-06 | 2018-05-08 | 三星电子株式会社 | 视频的编码方法和装置及视频的解码方法和装置 |
| US8755620B2 (en) | 2011-01-12 | 2014-06-17 | Panasonic Corporation | Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus for performing arithmetic coding and/or arithmetic decoding |
| US8687904B2 (en) | 2011-01-14 | 2014-04-01 | Panasonic Corporation | Image coding method, image coding apparatus, image decoding method, image decoding apparatus, and image coding and decoding apparatus which include arithmetic coding or arithmetic decoding |
| JP5925884B2 (ja) * | 2011-06-16 | 2016-05-25 | ジーイー ビデオ コンプレッション エルエルシー | エントロピー符号化におけるコンテキスト初期化 |
| US8964849B2 (en) | 2011-11-01 | 2015-02-24 | Blackberry Limited | Multi-level significance maps for encoding and decoding |
| EP3499892B1 (en) * | 2011-11-01 | 2020-08-12 | Velos Media International Limited | Multi-level significance maps for encoding and decoding |
| MX2013008943A (es) | 2011-11-07 | 2013-09-06 | Panasonic Corp | Metodo de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de codificacion de imagenes, aparato de decodificacion de imagenes y aparato de codificacion y decodificacion de imagenes. |
| US9432696B2 (en) | 2014-03-17 | 2016-08-30 | Qualcomm Incorporated | Systems and methods for low complexity forward transforms using zeroed-out coefficients |
| US9516345B2 (en) | 2014-03-17 | 2016-12-06 | Qualcomm Incorporated | Systems and methods for low complexity forward transforms using mesh-based calculations |
| WO2018030293A1 (ja) * | 2016-08-10 | 2018-02-15 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法及び復号方法 |
-
2002
- 2002-10-02 JP JP2002290541A patent/JP4230188B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004064725A (ja) | 2004-02-26 |
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