JP4991699B2 - ビデオ信号のスケーラブルなエンコーディング方法およびデコーディング方法 - Google Patents
ビデオ信号のスケーラブルなエンコーディング方法およびデコーディング方法 Download PDFInfo
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- 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
- H04N19/615—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding using motion compensated temporal filtering [MCTF]
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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- 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
- H04N19/136—Incoming video signal characteristics or properties
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- H04N19/187—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 a scalable video layer
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Description
Claims (3)
- ビデオ信号をデコーディングする方法であって、
ベースレイヤの対応するブロックのモーション情報に基づいてエンハンストレイヤの現在のブロックのモーション情報を導出する段階であって、前記モーション情報はモーションベクトル及び基準インデックスを含む、段階と、
前記現在のブロックの前記モーション情報を使用して前記現在のブロックの第1のピクセル予測値を取得する段階と、
前記ベースレイヤの前記対応するブロックの中のイントラ符号化ブロックに基づいて前記現在のブロックの第2のピクセル予測値を取得する段階と、
前記第1のピクセル予測値及び前記第2のピクセル予測値を、受信した残りの値に追加することによって、前記現在のブロックを再構成する段階であって、前記受信した残りの値は、前記現在のブロックのオリジナルのピクセル値と前記現在のブロックのピクセル予測値との間の差分であり、前記ピクセル予測値は、前記第1のピクセル予測値及び前記第2のピクセル予測値を含む、段階と、
を備え、
前記ベースレイヤの前記対応するブロックは前記エンハンストレイヤの現在のブロックに対応し、
前記ベースレイヤと前記エンハンストレイヤの間の空間解像度の比率は非ダイアディック(non−dyadic)であること
を特徴とする方法。 - 前記現在のブロックの前記第2のピクセル予測値は、前記イントラ符号化ブロックのピクセル値から取得されること
を特徴とする請求項1に記載の方法。 - ビデオ信号をデコーディングする装置であって、
ベースレイヤの対応するブロックのモーション情報に基づいてエンハンストレイヤの現在のブロックのモーション情報を導出し、
前記現在のブロックの前記モーション情報を使用して前記現在のブロックの第1のピクセル予測値を取得し、
前記ベースレイヤの前記対応するブロックの中のイントラ符号化ブロックに基づいて前記現在のブロックの第2のピクセル予測値を取得し、
前記第1のピクセル予測値及び前記第2のピクセル予測値を、受信した残りの値に追加することによって、前記現在のブロックを再構成し、前記受信した残りの値は、前記現在のブロックのオリジナルのピクセル値と前記現在のブロックのピクセル予測値との間の差分であり、前記ピクセル予測値は、前記第1のピクセル予測値及び前記第2のピクセル予測値を含む、
エンハンストレイヤデコーダを備え、
前記ベースレイヤと前記エンハンストレイヤの間の空間解像度の比率は非ダイアディック(non−dyadic)であり、
前記モーション情報はモーションベクトル及び基準インデックスを含み、
前記ベースレイヤの前記対応するブロックは前記エンハンストレイヤの現在のブロックに対応することを特徴とする装置。
Applications Claiming Priority (5)
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US67149505P | 2005-04-15 | 2005-04-15 | |
US60/671,495 | 2005-04-15 | ||
KR10-2005-0115577 | 2005-11-30 | ||
KR1020050115577A KR100896279B1 (ko) | 2005-04-15 | 2005-11-30 | 영상 신호의 스케일러블 인코딩 및 디코딩 방법 |
PCT/KR2006/001388 WO2006110013A1 (en) | 2005-04-15 | 2006-04-14 | Method for scalably encoding and decoding video signal |
Publications (3)
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JP2008536440A JP2008536440A (ja) | 2008-09-04 |
JP2008536440A5 JP2008536440A5 (ja) | 2009-01-15 |
JP4991699B2 true JP4991699B2 (ja) | 2012-08-01 |
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JP2008506382A Expired - Fee Related JP4991699B2 (ja) | 2005-04-15 | 2006-04-14 | ビデオ信号のスケーラブルなエンコーディング方法およびデコーディング方法 |
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US (1) | US7899115B2 (ja) |
EP (1) | EP1878260B1 (ja) |
JP (1) | JP4991699B2 (ja) |
KR (2) | KR100896279B1 (ja) |
CN (1) | CN101204094B (ja) |
HK (1) | HK1124193A1 (ja) |
RU (1) | RU2409005C2 (ja) |
WO (1) | WO2006110013A1 (ja) |
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KR20060043115A (ko) * | 2004-10-26 | 2006-05-15 | 엘지전자 주식회사 | 베이스 레이어를 이용하는 영상신호의 엔코딩/디코딩 방법및 장치 |
US20060153295A1 (en) * | 2005-01-12 | 2006-07-13 | Nokia Corporation | Method and system for inter-layer prediction mode coding in scalable video coding |
US7876833B2 (en) * | 2005-04-11 | 2011-01-25 | Sharp Laboratories Of America, Inc. | Method and apparatus for adaptive up-scaling for spatially scalable coding |
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2005
- 2005-11-30 KR KR1020050115577A patent/KR100896279B1/ko active IP Right Grant
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2006
- 2006-04-14 US US11/918,441 patent/US7899115B2/en active Active
- 2006-04-14 EP EP06732859.1A patent/EP1878260B1/en active Active
- 2006-04-14 JP JP2008506382A patent/JP4991699B2/ja not_active Expired - Fee Related
- 2006-04-14 CN CN2006800173409A patent/CN101204094B/zh not_active Expired - Fee Related
- 2006-04-14 RU RU2007142185/09A patent/RU2409005C2/ru not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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KR101053628B1 (ko) | 2011-08-03 |
CN101204094B (zh) | 2010-10-20 |
EP1878260B1 (en) | 2019-11-27 |
EP1878260A1 (en) | 2008-01-16 |
RU2409005C2 (ru) | 2011-01-10 |
KR20090039689A (ko) | 2009-04-22 |
RU2007142185A (ru) | 2009-05-27 |
HK1124193A1 (en) | 2009-07-03 |
WO2006110013A1 (en) | 2006-10-19 |
KR20060109278A (ko) | 2006-10-19 |
EP1878260A4 (en) | 2014-12-10 |
JP2008536440A (ja) | 2008-09-04 |
US20090067502A1 (en) | 2009-03-12 |
CN101204094A (zh) | 2008-06-18 |
US7899115B2 (en) | 2011-03-01 |
KR100896279B1 (ko) | 2009-05-07 |
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