JP5241743B2 - デュアルステージイントラプレディクションビデオエンコーディングシステム及び方法 - Google Patents
デュアルステージイントラプレディクションビデオエンコーディングシステム及び方法 Download PDFInfo
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- JP5241743B2 JP5241743B2 JP2010010974A JP2010010974A JP5241743B2 JP 5241743 B2 JP5241743 B2 JP 5241743B2 JP 2010010974 A JP2010010974 A JP 2010010974A JP 2010010974 A JP2010010974 A JP 2010010974A JP 5241743 B2 JP5241743 B2 JP 5241743B2
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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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/162—User input
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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
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
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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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
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- Compression Or Coding Systems Of Tv Signals (AREA)
Description
エンコーディングが、受け取られたビデオ情報に対して行われる。
Claims (8)
- マルチレベルプレディクションモードを使用したエンコーディングタイプ判断の方法であって、該マルチレベルプレディクションモードは、プログラム可能なエンコーディングタイプ判断時点の選択に対応し、該マルチレベルプレディクションモードは、早い時点のプレディクションモードレベル、中間時点のプレディクションモードレベル及び遅い時点のプレディクションモードレベルからなる3つのプレディクションモードレベルを含み、
プレディクションモードレベルの指示を受け取るステップであって、前記プレディクションモードレベルの指示がプログラム可能であり、前記3つのプレディクションモードレベルのいずれか一つに設定される、ステップと、
前記受け取ったプレディクションモードレベルに対応するイントラ/インター(I/P)判断時点においてエンコーディングのタイプをIタイプエンコーディング又はPタイプエンコーディングに決定するステップであって、該決定するステップは、前記イントラ/インター(I/P)判断時点の選択をプログラミングするステップを含み、前記イントラ/インター(I/P)判断時点の前記選択は、早い判断時点、中間の判断時点及び遅い判断時点からなる3つの判断時点の一つを指定する、ステップと、
前記タイプのエンコーディングを行うステップと、
を含む方法。 - 前記プレディクションモードレベルの指示が、ユーザー入力に基づいている、請求項1に記載の方法。
- 前記プレディクションモードレベルの指示が、アプリケーションに基づいている、請求項1に記載の方法。
- 前記プレディクションモードレベルが、プログラマブルエンコーディングタイプ判断ポイントに関連付けられている、請求項1に記載の方法。
- 早い時期のプレディクションモードレベル、中間時期のプレディクションモードレベル及び遅い時期のモードレベルを含む3つのプレディクションモードレベルがある、請求項1に記載の方法。
- 前記決定するステップが、
第1のレベルのエンコーディングコストを計算することを含めて有効マクロブロックモードを処理する段階と、
前記プレディクションモードレベルの前記受け取られた指示が第1のレベルのプレディクションモード指示であるかを決定する段階と、
前記プレディクションモードレベルの前記受け取られた指示が第1のプレディクションモードレベル指示であるならば、前記第1のレベルのエンコーディングコストに基づいて前記マクロブロックのIタイプエンコーディング又はPタイプエンコーディングを行うかの判断をする段階と、
第2のレベルのエンコーディングコストを計算することを含めて前記有効マクロブロックモードの部分サブセットを処理する段階と、
前記プレディクションモードレベルの前記受け取られた指示が第2のプレディクションモードレベル指示であるかを決定する段階と、
前記プレディクションモードレベルの前記受け取られた指示が第2のプレディクションモードレベル指示であるならば、前記第2のレベルのエンコーディングコストに基づいて前記マクロブロックのIタイプエンコーディング又はPタイプエンコーディングを行うかの判断をする段階と、
を含む、請求項1に記載の方法。 - フルマクロブロックタイププレディクション又はサブマクロブロックタイププレディクションをなすかの決定をするステップを更に含む、請求項1に記載の方法。
- 前記フルマクロブロックタイププレディクションが、16ピクセル×16ピクセルマクロブロックイントラプレディクションタイプであり、前記サブマクロブロックタイププレディクションは、4ピクセル×4ピクセルマクロブロックイントラプレディクションタイプである、請求項7に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/364,316 | 2009-02-02 | ||
US12/364,316 US9432674B2 (en) | 2009-02-02 | 2009-02-02 | Dual stage intra-prediction video encoding system and method |
Publications (2)
Publication Number | Publication Date |
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JP2010178335A JP2010178335A (ja) | 2010-08-12 |
JP5241743B2 true JP5241743B2 (ja) | 2013-07-17 |
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Application Number | Title | Priority Date | Filing Date |
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JP2010010974A Active JP5241743B2 (ja) | 2009-02-02 | 2010-01-21 | デュアルステージイントラプレディクションビデオエンコーディングシステム及び方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9432674B2 (ja) |
JP (1) | JP5241743B2 (ja) |
KR (1) | KR101316503B1 (ja) |
CN (1) | CN101795408B (ja) |
TW (1) | TW201044881A (ja) |
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US9762919B2 (en) | 2014-08-28 | 2017-09-12 | Apple Inc. | Chroma cache architecture in block processing pipelines |
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-
2009
- 2009-02-02 US US12/364,316 patent/US9432674B2/en active Active
-
2010
- 2010-01-20 TW TW099101450A patent/TW201044881A/zh unknown
- 2010-01-21 JP JP2010010974A patent/JP5241743B2/ja active Active
- 2010-02-02 KR KR1020100009658A patent/KR101316503B1/ko active IP Right Grant
- 2010-02-02 CN CN201010104262.4A patent/CN101795408B/zh active Active
Also Published As
Publication number | Publication date |
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CN101795408A (zh) | 2010-08-04 |
JP2010178335A (ja) | 2010-08-12 |
TW201044881A (en) | 2010-12-16 |
CN101795408B (zh) | 2014-02-19 |
US20100195730A1 (en) | 2010-08-05 |
US9432674B2 (en) | 2016-08-30 |
KR101316503B1 (ko) | 2013-10-10 |
KR20100089039A (ko) | 2010-08-11 |
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