JP7474772B2 - 符号化装置、復号装置、及びプログラム - Google Patents

符号化装置、復号装置、及びプログラム Download PDF

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JP7474772B2
JP7474772B2 JP2021543093A JP2021543093A JP7474772B2 JP 7474772 B2 JP7474772 B2 JP 7474772B2 JP 2021543093 A JP2021543093 A JP 2021543093A JP 2021543093 A JP2021543093 A JP 2021543093A JP 7474772 B2 JP7474772 B2 JP 7474772B2
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prediction
synthesis
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俊輔 岩村
敦郎 市ヶ谷
慎平 根本
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Japan Broadcasting Corp
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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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021543093A 2019-08-29 2020-08-28 符号化装置、復号装置、及びプログラム Active JP7474772B2 (ja)

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JP2019157493 2019-08-29
JP2019157493 2019-08-29
PCT/JP2020/032783 WO2021040037A1 (ja) 2019-08-29 2020-08-28 符号化装置、復号装置、及びプログラム

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JPWO2021040037A5 JPWO2021040037A5 (https=) 2022-06-07
JP7474772B2 true JP7474772B2 (ja) 2024-04-25

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JP (1) JP7474772B2 (https=)
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WO (1) WO2021040037A1 (https=)

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US12368883B2 (en) * 2022-04-11 2025-07-22 Qualcomm Incorporated Block vector difference binarization and coding in video coding

Citations (2)

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WO2018123444A1 (ja) 2016-12-28 2018-07-05 ソニー株式会社 画像処理装置及び画像処理方法
WO2019039322A1 (en) 2017-08-22 2019-02-28 Panasonic Intellectual Property Corporation Of America IMAGE ENCODER, IMAGE DECODER, IMAGE ENCODING METHOD, AND IMAGE DECODING METHOD

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CN105282558B (zh) * 2014-07-18 2018-06-15 清华大学 帧内像素预测方法、编码方法、解码方法及其装置
WO2017030199A1 (ja) * 2015-08-20 2017-02-23 日本放送協会 画像符号化装置、画像復号化装置、及びこれらのプログラム
MY185713A (en) * 2015-09-25 2021-05-31 Huawei Tech Co Ltd Apparatus and method for video motion compensation
JP6985287B2 (ja) * 2016-11-28 2021-12-22 日本放送協会 符号化装置、復号装置、符号化方法、及び復号方法
WO2020094051A1 (en) * 2018-11-06 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Signaling of side information for inter prediction with geometric partitioning
CN116506598B (zh) * 2018-11-08 2025-08-12 Oppo广东移动通信有限公司 视频信号编码/解码方法以及用于所述方法的设备
CN119450038A (zh) * 2018-12-11 2025-02-14 交互数字Vc控股公司 用于对图像进行解块的方法和设备
CN118612430A (zh) * 2019-02-08 2024-09-06 松下电器（美国）知识产权公司 编码装置、解码装置以及非暂时性计算机可读介质

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2018123444A1 (ja) 2016-12-28 2018-07-05 ソニー株式会社 画像処理装置及び画像処理方法
WO2019039322A1 (en) 2017-08-22 2019-02-28 Panasonic Intellectual Property Corporation Of America IMAGE ENCODER, IMAGE DECODER, IMAGE ENCODING METHOD, AND IMAGE DECODING METHOD

Non-Patent Citations (3)

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Title
Shunsuke Iwamura, Shimpei Nemoto and Atsuro Ichigaya，[AHG18][non-CE5] Boundary strength derivation for CUs with TPM，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-P0602r1，16th Meeting: Geneva, CH，2019年10月，pp.1-4
Shunsuke Iwamura, Shimpei Nemoto and Atsuro Ichigaya，Non-CE5: Boundary strength derivation of deblocking filter for transform-skipped block，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-O0656，15th Meeting: Gothenburg, SE，2019年06月，pp.1-6
Xuewei Meng et al.，AHG18/Non-CE5: Deblocking for TPM and BCW，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-P0269-v2，16th Meeting: Geneva, CH，2019年10月，pp.1-7

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CN114365487A (zh) 2022-04-15
CN114365487B (zh) 2024-08-13
WO2021040037A1 (ja) 2021-03-04
US20220182646A1 (en) 2022-06-09
US12015789B2 (en) 2024-06-18
JPWO2021040037A1 (https=) 2021-03-04

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