JP6162113B2 - コンテキストを初期化するための初期化方法を選択するための選択方法及び復号装置 - Google Patents

コンテキストを初期化するための初期化方法を選択するための選択方法及び復号装置 Download PDF

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JP6162113B2
JP6162113B2 JP2014519115A JP2014519115A JP6162113B2 JP 6162113 B2 JP6162113 B2 JP 6162113B2 JP 2014519115 A JP2014519115 A JP 2014519115A JP 2014519115 A JP2014519115 A JP 2014519115A JP 6162113 B2 JP6162113 B2 JP 6162113B2
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entropy
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initialization
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JP2014535178A (ja
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キラン ミスラ
キラン ミスラ
クリストファー エー． セガール
クリストファー エー． セガール
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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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • 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
    • 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
    • H04N19/436—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 using parallelised computational arrangements
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • 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
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter

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  • Signal Processing (AREA)
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JP2014519115A 2011-11-10 2012-11-09 コンテキストを初期化するための初期化方法を選択するための選択方法及び復号装置 Active JP6162113B2 (ja)

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US13/294,100 2011-11-10
US13/294,100 US9338465B2 (en) 2011-06-30 2011-11-10 Context initialization based on decoder picture buffer
PCT/JP2012/007220 WO2013069306A1 (en) 2011-11-10 2012-11-09 Context initialization based on decoder picture buffer

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JP2014535178A JP2014535178A (ja) 2014-12-25
JP2014535178A5 JP2014535178A5 (ja) 2015-12-24
JP6162113B2 true JP6162113B2 (ja) 2017-07-12

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US11412226B2 (en) 2022-08-09
US10531091B2 (en) 2020-01-07
EP2777280A4 (en) 2015-12-16
US20200162740A1 (en) 2020-05-21
US9491471B2 (en) 2016-11-08
US10205948B2 (en) 2019-02-12
US20130003830A1 (en) 2013-01-03
EP2777280B1 (en) 2019-03-20
EP3952311A1 (en) 2022-02-09
US20210144383A1 (en) 2021-05-13
BR112014011334A2 (pt) 2017-05-02
US10931951B2 (en) 2021-02-23
BR112014011334B1 (pt) 2022-04-26
JP2014535178A (ja) 2014-12-25
US20160212431A1 (en) 2016-07-21
EP4380157A3 (en) 2024-09-18
CN103931183A (zh) 2014-07-16
US9338465B2 (en) 2016-05-10
EP4380157B1 (en) 2025-09-10
EP3518539B1 (en) 2021-10-06
EP3952311B1 (en) 2024-06-05
ES2728443T3 (es) 2019-10-24
WO2013069306A1 (en) 2013-05-16
IN2014CN03605A (enExample) 2015-10-16
EP4625990A2 (en) 2025-10-01
EP4625990A3 (en) 2025-12-03
PL4380157T3 (pl) 2026-02-09
US20190208207A1 (en) 2019-07-04
US20170026649A1 (en) 2017-01-26
EP2777280A1 (en) 2014-09-17
EP3518539A1 (en) 2019-07-31
CN103931183B (zh) 2017-09-08
EP4380157A2 (en) 2024-06-05

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