JP7665450B2 - 画像復号装置、画像復号方法及びプログラム - Google Patents

画像復号装置、画像復号方法及びプログラム Download PDF

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JP7665450B2
JP7665450B2 JP2021109715A JP2021109715A JP7665450B2 JP 7665450 B2 JP7665450 B2 JP 7665450B2 JP 2021109715 A JP2021109715 A JP 2021109715A JP 2021109715 A JP2021109715 A JP 2021109715A JP 7665450 B2 JP7665450 B2 JP 7665450B2
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gpm
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JP2023006877A5 (https=
JP2023006877A (ja
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佳隆 木谷
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KDDI Corp
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KDDI Corp
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Priority to JP2021109715A priority Critical patent/JP7665450B2/ja
Priority to CN202280046261.XA priority patent/CN117581546A/zh
Priority to PCT/JP2022/026210 priority patent/WO2023277129A1/ja
Publication of JP2023006877A publication Critical patent/JP2023006877A/ja
Priority to US18/394,445 priority patent/US20240129490A1/en
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Priority to JP2025064651A priority patent/JP7815515B2/ja
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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
    • H04N19/134—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
    • H04N19/102—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021109715A 2021-06-30 2021-06-30 画像復号装置、画像復号方法及びプログラム Active JP7665450B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2021109715A JP7665450B2 (ja) 2021-06-30 2021-06-30 画像復号装置、画像復号方法及びプログラム
CN202280046261.XA CN117581546A (zh) 2021-06-30 2022-06-30 图像解码装置、图像解码方法及程序
PCT/JP2022/026210 WO2023277129A1 (ja) 2021-06-30 2022-06-30 画像復号装置、画像復号方法及びプログラム
US18/394,445 US20240129490A1 (en) 2021-06-30 2023-12-22 Image decoding device, image decoding method, and program
JP2025064651A JP7815515B2 (ja) 2021-06-30 2025-04-09 画像復号装置、画像復号方法及びプログラム

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JP2021109715A JP7665450B2 (ja) 2021-06-30 2021-06-30 画像復号装置、画像復号方法及びプログラム

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JP2023006877A5 JP2023006877A5 (https=) 2024-01-19
JP7665450B2 true JP7665450B2 (ja) 2025-04-21

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US (1) US20240129490A1 (https=)
JP (2) JP7665450B2 (https=)
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CN117957841A (zh) * 2021-10-01 2024-04-30 Lg 电子株式会社 基于gpm的图像编译方法和装置

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WO2020108651A1 (en) * 2018-11-29 2020-06-04 Beijing Bytedance Network Technology Co., Ltd. Affine inheritance method in intra block copy mode

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BLASER, Max et al.，Description of SDR and 360° video coding technology proposal by RWTH Aachen University，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 10th Meeting: San，JVET-J0023 (version 3)，ITU-T，2018年04月12日，JVET-J0023_r1.docx: pp.5-14,30-33，＜URL:http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/10_San%20Diego/wg11/JVET-J0023-v3.zip
BROSS, Benjamin et al.，Versatile Video Coding Editorial Refinements on Draft 10，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29 20th Meeting, by telecon，JVET-T2001 (version 1)，ITU-T，2020年10月30日，JVET-T2001-v1.docx: pp.51-56, 89-90，＜URL:https://jvet-experts.org/doc_end_user/documents/20_Teleconference/wg11/JVET-T2001-v1.zip＞
KIDANI, Yoshitaka et al.，AHG12: GPM with inter and intra prediction，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29 23rd Meeting, by telecon，JVET-W0110 (version 2)，ITU-T，2021年07月09日，JVET-W0110-v2.docx: pp.1-3，＜URL:https://jvet-experts.org/doc_end_user/documents/23_Teleconference/wg11/JVET-W0110-v2.zip＞

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JP7815515B2 (ja) 2026-02-17
CN117581546A (zh) 2024-02-20
JP2023006877A (ja) 2023-01-18
JP2025100672A (ja) 2025-07-03
WO2023277129A1 (ja) 2023-01-05
US20240129490A1 (en) 2024-04-18

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