JP6276319B2 - 参照ピクチャリスト管理方法及びその方法を使用する装置 - Google Patents
参照ピクチャリスト管理方法及びその方法を使用する装置 Download PDFInfo
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- JP6276319B2 JP6276319B2 JP2016076447A JP2016076447A JP6276319B2 JP 6276319 B2 JP6276319 B2 JP 6276319B2 JP 2016076447 A JP2016076447 A JP 2016076447A JP 2016076447 A JP2016076447 A JP 2016076447A JP 6276319 B2 JP6276319 B2 JP 6276319B2
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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
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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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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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
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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
- H04N19/172—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 picture, frame or field
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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
- H04N19/31—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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- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
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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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
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- Compression Or Coding Systems Of Tv Signals (AREA)
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Description
Claims (10)
- 映像復号化装置が映像を復号化する方法であって、
受信したビットストリームから現在ピクチャでの現在ブロックに対する予測モード情報を取得するステップと、
前記予測モード情報に基づいて前記現在ブロックに対する予測モードを決定するステップであって、インター予測モードが前記現在ブロックに適用される、ステップと、
復号化ピクチャバッファ(DPB)に格納された復号化されたピクチャについてのピクチャ・オーダー・カウント(POC)順序に基づいて参照ピクチャ管理を実行するステップであって、前記参照ピクチャ管理を実行することは参照ピクチャセット設定とピクチャマーキング処理を実行することを含む、ステップと、
前記参照ピクチャセットに含まれる参照ピクチャに基づいて前記現在ブロックに対するインター予測を実行するステップと、
前記インター予測の結果に基づいて再設定されたピクチャを生成するステップと、を含み、
前記参照ピクチャ管理の実行において、前記ピクチャマーキング処理に従って参照のために使用されないとマーキングされた復号化されたピクチャは前記DPBから取り除かれ、
前記参照ピクチャセットは、POC順で前に存在したか次に存在する前記復号化されたピクチャの中の、前記現在ピクチャの前記現在ブロックについての前記インター予測に使用できるピクチャを含む、方法。 - 前記DPBのピクチャの最大の個数を示す情報を前記ビットストリームから取得するステップと、
前記DPBに格納された短期参照ピクチャと長期参照ピクチャに基づいて計算された復号化されたピクチャの個数は、前記ピクチャの最大の個数と等しいかより小さいか否か、及び短期参照ピクチャの個数が0より大きいか否かを決定するステップを更に含む、請求項1に記載の方法。 - 前記短期参照ピクチャの個数及び前記長期参照ピクチャの個数を計算するステップをさらに含む、請求項2に記載の方法。
- 前記除去した復号化したピクチャが、前記DPBにある前記短期参照ピクチャの中の最も小さいPOCを有する短期参照ピクチャである、請求項2に記載の方法。
- 前記DPBに格納された前記復号化されたピクチャの個数がピクチャの最大の個数と等しく、前記短期参照ピクチャの個数が0より大きい時、前記短期参照ピクチャは除去される、請求項4に記載の方法。
- 最も小さいPOCを有する前記復号化されたピクチャはPOC順序に前記DPBから除去される、請求項1に記載の方法。
- 前記DPBに格納され前記復号化されたピクチャの個数が、前記ピクチャの最大の個数と等しく、前記短期参照ピクチャの個数が0以上の時、前記復号化されたピクチャは除去される、請求項6に記載の方法。
- 前記インター予測に使用されない、前記DPBの復号化されたピクチャは、参照のために使用されないとPOC順にマーキングされる、請求項1に記載の方法。
- 前記参照ピクチャセットは、前記現在ピクチャの時間的階層レベルと等しいか又はより低い時間的階層レベルのピクチャアを含む、請求項1に記載の方法。
- 前記現在ピクチャの時間的階層レベルより低い時間的階層レベルのピクチャが前記参照ピクチャとして使用される、請求項1に記載の方法。
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JP2018002659A Active JP6568242B2 (ja) | 2011-04-26 | 2018-01-11 | 参照ピクチャリスト管理方法及びその方法を使用する装置 |
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US (1) | US20140050270A1 (ja) |
JP (4) | JP5918354B2 (ja) |
KR (5) | KR101911012B1 (ja) |
CN (1) | CN103621091A (ja) |
DE (1) | DE112012001635T5 (ja) |
ES (1) | ES2489816B2 (ja) |
GB (2) | GB2548739B (ja) |
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GB201319020D0 (en) | 2013-12-11 |
KR20170085612A (ko) | 2017-07-24 |
KR20170125122A (ko) | 2017-11-13 |
JP2018057049A (ja) | 2018-04-05 |
KR101581100B1 (ko) | 2015-12-29 |
KR20150140849A (ko) | 2015-12-16 |
JP6568242B2 (ja) | 2019-08-28 |
GB2505344A (en) | 2014-02-26 |
KR101759672B1 (ko) | 2017-07-31 |
GB201709457D0 (en) | 2017-07-26 |
ES2489816B2 (es) | 2015-10-08 |
KR101911012B1 (ko) | 2018-12-19 |
JP2016146667A (ja) | 2016-08-12 |
JP2014519223A (ja) | 2014-08-07 |
GB2548739B (en) | 2018-01-10 |
WO2012148139A2 (ko) | 2012-11-01 |
JP5918354B2 (ja) | 2016-05-18 |
GB2505344B (en) | 2017-11-15 |
CN103621091A (zh) | 2014-03-05 |
KR101852789B1 (ko) | 2018-06-04 |
WO2012148139A3 (ko) | 2013-03-21 |
US20140050270A1 (en) | 2014-02-20 |
GB2548739A (en) | 2017-09-27 |
ES2489816R1 (es) | 2014-12-09 |
KR20180049130A (ko) | 2018-05-10 |
JP2019208268A (ja) | 2019-12-05 |
ES2489816A2 (es) | 2014-09-02 |
JP6867450B2 (ja) | 2021-04-28 |
DE112012001635T5 (de) | 2014-02-27 |
KR20140029459A (ko) | 2014-03-10 |
KR101794199B1 (ko) | 2017-11-07 |
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