JP2014533002A5 - 復号装置および復号方法 - Google Patents
復号装置および復号方法 Download PDFInfo
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- JP2014533002A5 JP2014533002A5 JP2014520448A JP2014520448A JP2014533002A5 JP 2014533002 A5 JP2014533002 A5 JP 2014533002A5 JP 2014520448 A JP2014520448 A JP 2014520448A JP 2014520448 A JP2014520448 A JP 2014520448A JP 2014533002 A5 JP2014533002 A5 JP 2014533002A5
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Claims (4)
- 画像を復号する復号装置であって、
ビットストリームを受信する受信手段と、
コンテキストを用いて算術復号を行うレギュラー復号エンジンと、コンテキストを用いずに算術復号を行うバイパス復号エンジンのいずれか１つを用いて前記ビットストリームを復号する復号手段と、
複数の予測モードから予測モードを選択する選択手段とを含み、
前記復号手段は、予測モードが、対象ブロックに隣接する１以上の隣接ブロックの予測モードを用いて生成される予測モードリストから選択されるか否かを示す第１の情報を復号し、
前記第１の情報が、前記対象ブロックの予測モードが前記予測モードリストから選択されることを示す場合、前記復号手段は、前記バイパス復号エンジンを用いて、前記予測モードリストから予想モードを選択するために使用される第２の情報を復号することを特徴とする復号装置。 - 前記復号手段は、前記レギュラー復号エンジンを用いて、前記第１の情報を復号することを特徴とする請求項１に記載の復号装置。
- 前記第１の情報は、フラグで示されることを特徴とする請求項１又は２に記載の復号装置。
- 画像を復号する復号方法であって、
ビットストリームを受信する受信手段と、
コンテキストを用いて算術復号を行うレギュラー復号エンジンと、コンテキストを用いずに算術復号を行うバイパス復号エンジンのいずれか１つを用いて前記ビットストリームを復号する復号手段と、
複数の予測モードから予測モードを選択する選択手段とを含み、
前記復号手段は、予測モードが、対象ブロックに隣接する１以上の隣接ブロックの予測モードを用いて生成される予測モードリストから選択されるか否かを示す第１の情報を復号し、
前記第１の情報が、前記対象ブロックの予測モードが前記予測モードリストから選択されることを示す場合、前記復号手段は、前記バイパス復号エンジンを用いて、前記予測モードリストから予想モードを選択するために使用される第２の情報を復号することを特徴
とする復号方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/291,015 US9088796B2 (en) | 2011-11-07 | 2011-11-07 | Video decoder with enhanced CABAC decoding |
| US13/291,015 | 2011-11-07 | ||
| PCT/JP2012/007139 WO2013069273A1 (en) | 2011-11-07 | 2012-11-07 | Video decoder with enhanced cabac decoding |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017112361A Division JP6739770B2 (ja) | 2011-11-07 | 2017-06-07 | 強化されたｃａｂａｃ復号を用いた画像復号装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014533002A JP2014533002A (ja) | 2014-12-08 |
| JP2014533002A5 true JP2014533002A5 (ja) | 2015-12-24 |
| JP6158802B2 JP6158802B2 (ja) | 2017-07-05 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014520448A Active JP6158802B2 (ja) | 2011-11-07 | 2012-11-07 | 復号装置および復号方法 |
| JP2017112361A Active JP6739770B2 (ja) | 2011-11-07 | 2017-06-07 | 強化されたｃａｂａｃ復号を用いた画像復号装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017112361A Active JP6739770B2 (ja) | 2011-11-07 | 2017-06-07 | 強化されたｃａｂａｃ復号を用いた画像復号装置 |
Country Status (14)
| Country | Link |
|---|---|
| US (8) | US9088796B2 (ja) |
| EP (4) | EP3723377A1 (ja) |
| JP (2) | JP6158802B2 (ja) |
| CN (2) | CN107046642B (ja) |
| DK (2) | DK3301934T3 (ja) |
| ES (2) | ES2805626T3 (ja) |
| HR (1) | HRP20201220T1 (ja) |
| HU (2) | HUE037562T2 (ja) |
| IN (1) | IN2014CN03477A (ja) |
| NO (1) | NO2895849T3 (ja) |
| PL (2) | PL3301934T3 (ja) |
| PT (2) | PT3301934T (ja) |
| SI (1) | SI2777281T1 (ja) |
| WO (1) | WO2013069273A1 (ja) |
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