JP7315702B2 - エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム - Google Patents

エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム Download PDF

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JP7315702B2
JP7315702B2 JP2021560266A JP2021560266A JP7315702B2 JP 7315702 B2 JP7315702 B2 JP 7315702B2 JP 2021560266 A JP2021560266 A JP 2021560266A JP 2021560266 A JP2021560266 A JP 2021560266A JP 7315702 B2 JP7315702 B2 JP 7315702B2
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JP2022537241A (ja
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チョイ,ビョンドゥ
ウェンジャー,ステファン
リィウ,シャン
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Tencent America LLC
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/1883Methods 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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021560266A 2020-05-20 2021-04-12 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム Active JP7315702B2 (ja)

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JP2023115405A JP7761341B2 (ja) 2020-05-20 2023-07-13 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム

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US202063027835P 2020-05-20 2020-05-20
US63/027,835 2020-05-20
US202063035647P 2020-06-05 2020-06-05
US63/035,647 2020-06-05
US202063036342P 2020-06-08 2020-06-08
US202063036174P 2020-06-08 2020-06-08
US63/036,174 2020-06-08
US63/036,342 2020-06-08
US17/211,236 US11477471B2 (en) 2020-05-20 2021-03-24 Techniques for signaling combination of reference picture resampling and spatial scalability
US17/211,236 2021-03-24
PCT/US2021/026800 WO2021236257A1 (en) 2020-05-20 2021-04-12 Techniques for signaling combination of reference picture resampling and spatial scalability

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JP2023115405A Active JP7761341B2 (ja) 2020-05-20 2023-07-13 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム

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KR (1) KR20210144885A (enExample)
CN (3) CN114270819B (enExample)
AU (3) AU2021257953B2 (enExample)
SG (1) SG11202111859WA (enExample)
WO (1) WO2021236257A1 (enExample)

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EP4325849A3 (en) 2018-11-22 2024-04-17 Beijing Bytedance Network Technology Co., Ltd. Coordination method for sub-block based inter prediction
CN114208184B (zh) 2019-08-13 2025-01-07 北京字节跳动网络技术有限公司 基于子块的帧间预测中的运动精度
CN114424536A (zh) * 2019-09-22 2022-04-29 北京字节跳动网络技术有限公司 基于变换单元的组合帧间帧内预测
CN115868167A (zh) 2020-05-22 2023-03-28 抖音视界有限公司 子比特流提取处理中对编解码视频的处理

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JP2016506687A (ja) 2013-01-07 2016-03-03 ノキア テクノロジーズ オサケユイチア ビデオ・コーディングおよびデコーディングのための方法と装置

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US8983218B2 (en) * 2012-04-11 2015-03-17 Texas Instruments Incorporated Virtual boundary processing simplification for adaptive loop filtering (ALF) in video coding
JP6190397B2 (ja) 2012-07-01 2017-08-30 シャープ株式会社 パラメータセットにおいて長期参照ピクチャをシグナリングするためのデバイス
EP2907318A1 (en) 2012-10-09 2015-08-19 Cisco Technology, Inc. Output management of prior decoded pictures at picture format transitions in bitstreams
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AU2023203644B2 (en) 2024-11-14
AU2023203644A1 (en) 2023-07-06
JP2022537241A (ja) 2022-08-25
JP7761341B2 (ja) 2025-10-28
EP3939264B1 (en) 2025-11-19
US12052431B2 (en) 2024-07-30
JP2023134662A (ja) 2023-09-27
CN114270819A (zh) 2022-04-01
KR20210144885A (ko) 2021-11-30
EP3939264A1 (en) 2022-01-19
CN119211528A (zh) 2024-12-27
EP4657859A2 (en) 2025-12-03
US20220400276A1 (en) 2022-12-15
AU2025200772A1 (en) 2025-02-20
CN114270819B (zh) 2024-08-23
US20210368189A1 (en) 2021-11-25
WO2021236257A1 (en) 2021-11-25
AU2021257953A1 (en) 2021-12-09
US20240333953A1 (en) 2024-10-03
EP3939264A4 (en) 2023-01-11
SG11202111859WA (en) 2021-12-30
AU2021257953B2 (en) 2023-03-09
US11477471B2 (en) 2022-10-18
CN119211527A (zh) 2024-12-27

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