JP2024041558A - 動画像復号装置および動画像符号化装置 - Google Patents

動画像復号装置および動画像符号化装置 Download PDF

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JP2024041558A
JP2024041558A JP2022146436A JP2022146436A JP2024041558A JP 2024041558 A JP2024041558 A JP 2024041558A JP 2022146436 A JP2022146436 A JP 2022146436A JP 2022146436 A JP2022146436 A JP 2022146436A JP 2024041558 A JP2024041558 A JP 2024041558A
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oob
prediction
unit
picture
isoob
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JP2024041558A5 (https=
Inventor
将伸 八杉
Masanobu Yasugi
知宏 猪飼
Tomohiro Igai
友子 青野
Tomoko Aono
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Sharp Corp
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Sharp Corp
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Priority to JP2022146436A priority Critical patent/JP2024041558A/ja
Priority to US18/104,793 priority patent/US12219150B2/en
Priority to AU2023200531A priority patent/AU2023200531A1/en
Priority to EP23154690.4A priority patent/EP4340364A1/en
Priority to CN202310128572.7A priority patent/CN117714713A/zh
Priority to KR1020230019325A priority patent/KR20240037137A/ko
Publication of JP2024041558A publication Critical patent/JP2024041558A/ja
Publication of JP2024041558A5 publication Critical patent/JP2024041558A5/ja
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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
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    • 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
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
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    • 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
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
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    • 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
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    • 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
    • H04N19/174Methods 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
    • HELECTRICITY
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    • 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
    • H04N19/169Methods 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
    • H04N19/182Methods 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 pixel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/55Motion estimation with spatial constraints, e.g. at image or region borders
    • HELECTRICITY
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    • 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
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
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    • 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
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
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    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree coding, e.g. quad-tree coding

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JP2022146436A 2022-09-14 2022-09-14 動画像復号装置および動画像符号化装置 Pending JP2024041558A (ja)

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JP2022146436A JP2024041558A (ja) 2022-09-14 2022-09-14 動画像復号装置および動画像符号化装置
US18/104,793 US12219150B2 (en) 2022-09-14 2023-02-02 Video decoding apparatus and video coding apparatus
AU2023200531A AU2023200531A1 (en) 2022-09-14 2023-02-02 Video decoding apparatus and video coding apparatus
EP23154690.4A EP4340364A1 (en) 2022-09-14 2023-02-02 Video decoding apparatus and video coding apparatus with oob - out-of-boundary checks
CN202310128572.7A CN117714713A (zh) 2022-09-14 2023-02-03 运动图像解码装置以及运动图像编码装置
KR1020230019325A KR20240037137A (ko) 2022-09-14 2023-02-14 동화상 복호 장치 및 동화상 부호화 장치

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EP (1) EP4340364A1 (https=)
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KR (1) KR20240037137A (https=)
CN (1) CN117714713A (https=)
AU (1) AU2023200531A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
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JP2024006995A (ja) * 2022-07-05 2024-01-18 シャープ株式会社 動画像復号装置および動画像符号化装置

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KR20240137038A (ko) * 2022-01-18 2024-09-19 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서 경계외 조건을 고려한 모션 보정
US12549759B2 (en) * 2023-03-16 2026-02-10 Tencent America LLC Motion compensated picture boundary padding

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US20110122950A1 (en) * 2009-11-26 2011-05-26 Ji Tianying Video decoder and method for motion compensation for out-of-boundary pixels
CN113994671B (zh) * 2019-06-14 2024-05-10 北京字节跳动网络技术有限公司 基于颜色格式处理视频单元边界和虚拟边界
US11539939B2 (en) * 2019-11-27 2022-12-27 Hfi Innovation Inc. Video processing methods and apparatuses for horizontal wraparound motion compensation in video coding systems
EP4173290A4 (en) * 2020-06-30 2024-01-10 Beijing Bytedance Network Technology Co., Ltd. BOUNDARY LOCATION FOR ADAPTIVE LOOP FILTERING
US12526443B2 (en) * 2022-01-13 2026-01-13 Qualcomm Incorporated Coding video data using out-of-boundary motion vectors
US12413745B2 (en) * 2022-04-12 2025-09-09 Qualcomm Incorporated Bi-directional prediction boundary pixel padding with out-of-picture-boundary motion vectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024006995A (ja) * 2022-07-05 2024-01-18 シャープ株式会社 動画像復号装置および動画像符号化装置

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AU2023200531A1 (en) 2024-03-28
EP4340364A1 (en) 2024-03-20
CN117714713A (zh) 2024-03-15
US12219150B2 (en) 2025-02-04
KR20240037137A (ko) 2024-03-21

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