JP2016131391A - ビデオデータの再生状態識別のためのビデオデータの多重化方法及び装置、逆多重化方法及び装置 - Google Patents
ビデオデータの再生状態識別のためのビデオデータの多重化方法及び装置、逆多重化方法及び装置 Download PDFInfo
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Abstract
【解決手段】 ビデオ復号化装置は、NALにおける伝送単位であるNAL単位データを受信し、前記NAL単位データのヘッダから前記NAL単位データに含まれた現在ピクチャの類型を指すNAL単位類型情報を獲得し、前記NAL単位類型情報に基づき、前記現在ピクチャがランダムアクセスのためのCRAピクチャであるか否かを識別する逆多重化部と、前記識別されたCRAピクチャを含む映像を復号化する復号化部と、を備え、前記映像は、前記CRAピクチャが一般再生によって復号化される場合、前記CRAピクチャより復号化順序が先のピクチャを参照して、前記CRAピクチャより遅れて復号化されるピクチャを含む。
【選択図】 図19
Description
1910 ビデオ復号化部
1920 逆多重化部
1930 再生状態識別部
Claims (2)
- ネットワーク推象階層(Network Abstraction Layer:NAL)における伝送単位であるNAL単位データを受信し、前記NAL単位データのヘッダから前記NAL単位データに含まれた現在ピクチャの類型を指すNAL単位類型(Network Adaptive Layer unit type:NAL unit 3type)情報を獲得し、前記NAL単位類型情報に基づき、前記現在ピクチャがランダムアクセスのためのCRA(Clean Random Access)ピクチャであるか否かを識別する逆多重化部と、
前記識別されたCRAピクチャを含む映像を復号化する復号化部と、を備え、
前記映像は、前記CRAピクチャが一般再生によって復号化される場合、前記CRAピクチャより復号化順序が先のピクチャを参照して、前記CRAピクチャより遅れて復号化されるピクチャを含むビデオ復号化装置。 - ネットワーク推象階層(Network Abstraction Layer: NAL)における伝送単位であるNAL単位データを受信する段階と、
前記NAL単位データのヘッダから前記NAL単位データに含まれた現在ピクチャの類型を指すNAL単位類型(Network Adaptive Layer unit type:NAL unit type)情報を獲得する段階と、
前記類型情報に基づき、前記現在ピクチャがランダムアクセスのためのCRA(Clean Random Access)ピクチャであるか否かを識別する段階と、
前記識別されたCRAピクチャを含む映像を復号化する段階とを含み、
前記映像は、前記CRAピクチャが一般再生によって復号化される場合、前記CRAピクチャより復号化順序が先のピクチャを参照して、前記CRAピクチャより遅れて復号化されるピクチャを含むことを特徴とするビデオ復号化方法。
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| US201161504178P | 2011-07-02 | 2011-07-02 | |
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| US201161552549P | 2011-10-28 | 2011-10-28 | |
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