JP7625537B2 - 符号化装置、復号装置、符号化方法、および復号方法 - Google Patents

符号化装置、復号装置、符号化方法、および復号方法 Download PDF

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JP7625537B2
JP7625537B2 JP2021563989A JP2021563989A JP7625537B2 JP 7625537 B2 JP7625537 B2 JP 7625537B2 JP 2021563989 A JP2021563989 A JP 2021563989A JP 2021563989 A JP2021563989 A JP 2021563989A JP 7625537 B2 JP7625537 B2 JP 7625537B2
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JPWO2021117747A5 (https=
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バージニー ドルージョン
正真 遠間
孝啓 西
清史 安倍
祐介 加藤
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Panasonic Intellectual Property Corp of America
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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
    • H04N19/70—Methods 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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/186—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 a colour or a chrominance component

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021563989A 2019-12-12 2020-12-08 符号化装置、復号装置、符号化方法、および復号方法 Active JP7625537B2 (ja)

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JP2025009177A JP7776678B2 (ja) 2019-12-12 2025-01-22 符号化装置、復号装置、符号化方法、および復号方法
JP2025194154A JP2026015486A (ja) 2019-12-12 2025-11-13 符号化装置、復号装置、送信装置、符号化方法、復号方法、および送信方法

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US201962947283P 2019-12-12 2019-12-12
US62/947,283 2019-12-12
PCT/JP2020/045744 WO2021117747A1 (ja) 2019-12-12 2020-12-08 符号化装置、復号装置、符号化方法、および復号方法

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JP7625537B2 true JP7625537B2 (ja) 2025-02-03

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JP2025009177A Active JP7776678B2 (ja) 2019-12-12 2025-01-22 符号化装置、復号装置、符号化方法、および復号方法
JP2025194154A Pending JP2026015486A (ja) 2019-12-12 2025-11-13 符号化装置、復号装置、送信装置、符号化方法、復号方法、および送信方法

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JP2025194154A Pending JP2026015486A (ja) 2019-12-12 2025-11-13 符号化装置、復号装置、送信装置、符号化方法、復号方法、および送信方法

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US (2) US12088849B2 (https=)
EP (1) EP4075807A4 (https=)
JP (3) JP7625537B2 (https=)
KR (1) KR20220106771A (https=)
CN (6) CN120769069A (https=)
BR (1) BR112022010256A2 (https=)
MX (2) MX2022006249A (https=)
WO (1) WO2021117747A1 (https=)

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US20210314567A1 (en) * 2020-04-04 2021-10-07 Qualcomm Incorporated Block partitioning for image and video coding
US12015785B2 (en) * 2020-12-04 2024-06-18 Ofinno, Llc No reference image quality assessment based decoder side inter prediction
CA3142044A1 (en) * 2020-12-14 2022-06-14 Comcast Cable Communications, Llc Methods and systems for improved content encoding
US20240129458A1 (en) * 2022-10-13 2024-04-18 Qualcomm Incorporated Techniques for subsampling for cross component prediction in video coding

Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2014078924A (ja) 2012-09-21 2014-05-01 Toshiba Corp 復号装置、及び符号化装置

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US20150264404A1 (en) * 2014-03-17 2015-09-17 Nokia Technologies Oy Method and apparatus for video coding and decoding
WO2016131408A1 (en) * 2015-02-16 2016-08-25 Mediatek Inc. Method and apparatus for palette predictor initialization for palette coding in video and image compression
WO2018173498A1 (en) * 2017-03-20 2018-09-27 Sharp Kabushiki Kaisha Systems and methods for signaling scalable video in a media application format

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2014078924A (ja) 2012-09-21 2014-05-01 Toshiba Corp 復号装置、及び符号化装置

Non-Patent Citations (3)

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Title
BOYCE, Jill et al.，Video usability information and supplemental enhancement information for coded video bitstreams (Draft 2)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 16th Meeting: Geneva, CH, 1-11 Oct. 2019，JVET-P2007 (version 3)，2019年11月15日，pp. 15-20
BOYCE, Jill et al.，Video usability information and supplemental enhancement information for coded video bitstreams (Draft 3)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE 7-17 Jan. 2020，JVET-Q2007 (version 1)，2020年01月19日，pp. 15-19
DRUGEON, Virginie，AHG9: On Video Usability Information，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 17th Meeting: Brussels, BE 7-17 Jan. 2020，JVET-Q0042 (version 2)，2020年01月15日，pp. 1-4

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BR112022010256A2 (pt) 2022-09-06
JPWO2021117747A1 (https=) 2021-06-17
CN120769067A (zh) 2025-10-10
US20240397110A1 (en) 2024-11-28
WO2021117747A1 (ja) 2021-06-17
MX2025009384A (es) 2025-09-02
KR20220106771A (ko) 2022-07-29
EP4075807A4 (en) 2023-01-11
US12088849B2 (en) 2024-09-10
JP7776678B2 (ja) 2025-11-26
JP2025061593A (ja) 2025-04-10
US12581124B2 (en) 2026-03-17
EP4075807A1 (en) 2022-10-19
JP2026015486A (ja) 2026-01-29
CN114762347A (zh) 2022-07-15
US20220321920A1 (en) 2022-10-06
CN120769066A (zh) 2025-10-10
MX2022006249A (es) 2022-06-22
CN120769065A (zh) 2025-10-10
CN114762347B (zh) 2025-08-19
CN120769068A (zh) 2025-10-10
CN120769069A (zh) 2025-10-10

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