JP5938424B2 - 画像ブロックを再構成および符号化する方法 - Google Patents

画像ブロックを再構成および符号化する方法 Download PDF

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JP5938424B2
JP5938424B2 JP2013558373A JP2013558373A JP5938424B2 JP 5938424 B2 JP5938424 B2 JP 5938424B2 JP 2013558373 A JP2013558373 A JP 2013558373A JP 2013558373 A JP2013558373 A JP 2013558373A JP 5938424 B2 JP5938424 B2 JP 5938424B2
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current block
block
causal
prediction
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JP2014514808A (ja
JP2014514808A5 (OSRAM
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フランソワ,エドウワール
ソロー,ドミニク
ラカプ,フアビアン
マルタン,オーレリー
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Thomson Licensing SAS
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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
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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 block, e.g. a macroblock
    • 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
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • 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
    • 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
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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)
JP2013558373A 2011-03-14 2012-03-08 画像ブロックを再構成および符号化する方法 Expired - Fee Related JP5938424B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1152044 2011-03-14
FR1152044 2011-03-14
PCT/EP2012/053978 WO2012123321A1 (en) 2011-03-14 2012-03-08 Method for reconstructing and coding an image block

Publications (3)

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JP2014514808A JP2014514808A (ja) 2014-06-19
JP2014514808A5 JP2014514808A5 (OSRAM) 2015-04-23
JP5938424B2 true JP5938424B2 (ja) 2016-06-22

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US (1) US20140056348A1 (OSRAM)
EP (1) EP2687011A1 (OSRAM)
JP (1) JP5938424B2 (OSRAM)
KR (1) KR20140026397A (OSRAM)
CN (1) CN103430543A (OSRAM)
BR (1) BR112013023405A2 (OSRAM)
WO (1) WO2012123321A1 (OSRAM)

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Publication number Priority date Publication date Assignee Title
FR2948845A1 (fr) 2009-07-30 2011-02-04 Thomson Licensing Procede de decodage d'un flux representatif d'une sequence d'images et procede de codage d'une sequence d'images
US9883180B2 (en) 2012-10-03 2018-01-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Bounded rate near-lossless and lossless image compression
CN104363449B (zh) * 2014-10-31 2017-10-10 华为技术有限公司 图像预测方法及相关装置
CN112584139B (zh) * 2014-11-27 2024-08-13 株式会社Kt 对视频信号进行解码或编码的方法

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Publication number Priority date Publication date Assignee Title
US7515637B2 (en) * 2004-05-21 2009-04-07 Broadcom Advanced Compression Group, Llc Video decoding for motion compensation with weighted prediction
EP1790168B1 (en) * 2004-09-16 2016-11-09 Thomson Licensing Video codec with weighted prediction utilizing local brightness variation
JP5224459B2 (ja) * 2006-02-02 2013-07-03 トムソン ライセンシング 動き補償予測のための適応重み選択を行う方法および装置
KR101293086B1 (ko) 2006-02-17 2013-08-06 톰슨 라이센싱 비디오 데이터 밝기 변화를 다루는 지역화된 가중 예측
EP2039171B1 (en) * 2006-07-07 2016-10-05 Telefonaktiebolaget LM Ericsson (publ) Weighted prediction for video coding
WO2009089032A2 (en) * 2008-01-10 2009-07-16 Thomson Licensing Methods and apparatus for illumination compensation of intra-predicted video
WO2010035731A1 (ja) * 2008-09-24 2010-04-01 ソニー株式会社 画像処理装置および方法
TWI498003B (zh) 2009-02-02 2015-08-21 Thomson Licensing 代表一序列圖像的碼式資料連流之解碼方法和一序列圖像之寫碼方法及碼式圖像資料結構
US8711930B2 (en) * 2009-07-09 2014-04-29 Qualcomm Incorporated Non-zero rounding and prediction mode selection techniques in video encoding

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BR112013023405A2 (pt) 2016-12-13
CN103430543A (zh) 2013-12-04
JP2014514808A (ja) 2014-06-19
US20140056348A1 (en) 2014-02-27
WO2012123321A1 (en) 2012-09-20
EP2687011A1 (en) 2014-01-22
KR20140026397A (ko) 2014-03-05

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