JP5143829B2 - スケーラブルビデオコーディングされたビットストリームのデコーディング方法及び装置 - Google Patents
スケーラブルビデオコーディングされたビットストリームのデコーディング方法及び装置 Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
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- 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
- H04N19/187—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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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
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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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
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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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
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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
- H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
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Description
なお、スケーラブルビデオ映像に関する様々な属性情報を用いることによって、より効率的なコーディングが可能になる。
Claims (10)
- ビデオデコーディング装置が、
現在NAL単位の現在ピクチャが、NAL単位に関する画質を識別するクオリティ識別情報に基づくクオリティベースピクチャであるか否かを確認する段階と、
前記現在NAL単位が参照ピクチャを含んでいるか否かを確認する段階と、
前記現在NAL単位の前記現在ピクチャが前記クオリティベースピクチャであり、前記NAL単位が前記参照ピクチャを含む場合、参照ベースピクチャをバッファに保存すべきか否かを示すベースピクチャ保存識別情報をスケーラブルビデオコーディングされたビットストリームから獲得する段階と、
前記ベースピクチャ保存識別情報に基づいて、前記参照ピクチャを前記参照ベースピクチャとしてマーキングする段階と、
を含むことを特徴とするスケーラブルビデオコーディングされたビットストリームのデコーディング方法。 - 前記参照ベースピクチャとしてマーキングされた前記参照ピクチャを用いて前記スケーラブルビデオコーディングされたビットストリームをデコーディングする段階をさらに含む、請求項1に記載のスケーラブルビデオコーディングされたビットストリームのデコーディング方法。
- 前記参照ベースピクチャは、時間的レベルが最も低い、請求項1に記載のスケーラブルビデオコーディングされたビットストリームのデコーディング方法。
- 前記ベースピクチャ保存識別情報は、スライスヘッダから獲得される、請求項1に記載のスケーラブルビデオコーディングされたビットストリームのデコーディング方法。
- 前記ベースピクチャ保存識別情報は、前記現在NAL単位に先行するNAL単位のデータ領域から獲得される、請求項1に記載のスケーラブルビデオコーディングされたビットストリームのデコーディング方法。
- 前記ベースピクチャ保存識別情報に従って前記参照ベースピクチャが保存され、前記現在NAL単位の前記現在ピクチャがIDRピクチャではない場合、前記参照ピクチャを前記参照ベースピクチャとしてマーキングする、請求項1に記載のスケーラブルビデオコーディングされたビットストリームのデコーディング方法。
- 前記スケーラブルビデオコーディングされたビットストリームは、放送信号として受信される、請求項1に記載のスケーラブルビデオコーディングされたビットストリームのデコーディング方法。
- 現在NAL単位の現在ピクチャが、NAL単位に関する画質を識別するクオリティ識別情報に基づくクオリティベースピクチャであるか否かを確認し、前記現在NAL単位が参照ピクチャを含んでいるか否かを確認する識別情報確認部と、
スケーラブルビデオコーディングされたビットストリームから獲得され、前記現在NAL単位の前記現在ピクチャをバッファに保存すべきか否かを示すベースピクチャ保存識別情報に基づいて、前記現在ピクチャを参照ベースピクチャとしてマーキングする復号ピクチャバッファ部と、を含み、
前記ベースピクチャ保存識別情報は、前記現在NAL単位の前記現在ピクチャが前記クオリティベースピクチャであり、前記現在NAL単位が前記参照ピクチャを含む場合に、獲得されることを特徴とするスケーラブルビデオコーディングされたビットストリームのデコーディング装置。 - 前記参照ベースピクチャが前記ベースピクチャ保存識別情報に従って保存され、前記現在NAL単位の前記現在ピクチャがIDRピクチャではない場合、前記参照ピクチャは前記参照ベースピクチャとしてマーキングされる、請求項8に記載のスケーラブルビデオコーディングされたビットストリームのデコーディング装置。
- 前記参照ベースピクチャが、前記参照ベースピクチャが前記参照ピクチャとして使用されるか否かを識別する参照識別情報に基づいて前記参照ピクチャとして使用され、前記現在NAL単位の前記現在ピクチャがIDRピクチャではない場合、前記参照ピクチャは前記参照ベースピクチャとしてマーキングされる、請求項8に記載のスケーラブルビデオコーディングされたビットストリームのデコーディング装置。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
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US84266106P | 2006-09-07 | 2006-09-07 | |
US60/842,661 | 2006-09-07 | ||
US85780206P | 2006-11-09 | 2006-11-09 | |
US60/857,802 | 2006-11-09 | ||
US85895706P | 2006-11-15 | 2006-11-15 | |
US60/858,957 | 2006-11-15 | ||
US85953206P | 2006-11-17 | 2006-11-17 | |
US60/859,532 | 2006-11-17 | ||
PCT/KR2007/004350 WO2008030067A1 (en) | 2006-09-07 | 2007-09-07 | Method and apparatus for decoding/encoding of a video signal |
Publications (2)
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JP2009540733A JP2009540733A (ja) | 2009-11-19 |
JP5143829B2 true JP5143829B2 (ja) | 2013-02-13 |
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JP2009515320A Active JP5143830B2 (ja) | 2006-09-07 | 2007-09-07 | スケーラブルビデオコーディングされたビットストリームのデコーディング方法及び装置 |
JP2009515319A Active JP5143829B2 (ja) | 2006-09-07 | 2007-09-07 | スケーラブルビデオコーディングされたビットストリームのデコーディング方法及び装置 |
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US (2) | US8401085B2 (ja) |
EP (2) | EP2060123A4 (ja) |
JP (2) | JP5143830B2 (ja) |
KR (3) | KR101349837B1 (ja) |
CN (1) | CN102158697B (ja) |
TW (2) | TWI364990B (ja) |
WO (2) | WO2008030067A1 (ja) |
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CN110177273A (zh) * | 2013-03-21 | 2019-08-27 | 索尼公司 | 图像编码装置和方法 |
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TW200829030A (en) | 2008-07-01 |
JP2009540733A (ja) | 2009-11-19 |
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JP5143830B2 (ja) | 2013-02-13 |
EP2060123A4 (en) | 2016-05-04 |
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TW200833117A (en) | 2008-08-01 |
US20090034626A1 (en) | 2009-02-05 |
WO2008030067A1 (en) | 2008-03-13 |
US8401085B2 (en) | 2013-03-19 |
TWI364990B (en) | 2012-05-21 |
TWI376958B (en) | 2012-11-11 |
KR100904444B1 (ko) | 2009-06-26 |
EP2060122A1 (en) | 2009-05-20 |
WO2008030068A1 (en) | 2008-03-13 |
US20090220010A1 (en) | 2009-09-03 |
KR101349837B1 (ko) | 2014-01-10 |
CN102158697B (zh) | 2013-10-09 |
EP2060123A1 (en) | 2009-05-20 |
KR100908062B1 (ko) | 2009-07-15 |
US8428144B2 (en) | 2013-04-23 |
EP2060122A4 (en) | 2016-04-27 |
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