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 (enExample
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 EP23154690.4A priority patent/EP4340364A1/en
Priority to AU2023200531A priority patent/AU2023200531A1/en
Priority to US18/104,793 priority patent/US12219150B2/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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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/105—Selection 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
    • H—ELECTRICITY
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    • H04N19/136—Incoming video signal characteristics or properties
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    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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    • 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
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    • 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
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    • 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
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    • 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
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    • 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
    • H04N19/182—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 pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
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    • H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
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    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • H—ELECTRICITY
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    • 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
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    • 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
    • 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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
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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Application Number Priority Date Filing Date Title
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
EP23154690.4A EP4340364A1 (en) 2022-09-14 2023-02-02 Video decoding apparatus and video coding apparatus with oob - out-of-boundary checks
AU2023200531A AU2023200531A1 (en) 2022-09-14 2023-02-02 Video decoding apparatus and video coding apparatus
US18/104,793 US12219150B2 (en) 2022-09-14 2023-02-02 Video decoding apparatus and video coding apparatus
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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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

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JP2024041558A5 JP2024041558A5 (enExample) 2025-09-11

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EP (1) EP4340364A1 (enExample)
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KR (1) KR20240037137A (enExample)
CN (1) CN117714713A (enExample)
AU (1) AU2023200531A1 (enExample)

Cited By (1)

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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

Families Citing this family (2)

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JP2025504460A (ja) * 2022-01-18 2025-02-12 ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド ビデオコーディングにおける境界外条件を考慮した動き補償
US12549759B2 (en) * 2023-03-16 2026-02-10 Tencent America LLC Motion compensated picture boundary padding

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WO2020249124A1 (en) * 2019-06-14 2020-12-17 Beijing Bytedance Network Technology Co., Ltd. Handling video unit boundaries and virtual boundaries based on color format
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
JP7522237B2 (ja) * 2020-06-30 2024-07-24 北京字節跳動網絡技術有限公司 適応ループフィルタリングのための境界位置
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

Non-Patent Citations (2)

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F. LE LEANNEC, ET AL.: "ECM fix for block-level out-of-bound checking", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29 27TH MEETING, BY TELECON, vol. JVET-AA0097-v2, JPN6026028709, 14 July 2022 (2022-07-14), pages 1 - 6, ISSN: 0005908111 *
YI-WEN, ET AL.: "AHG12: Enhanced bi-directional motion compensation", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29 25TH MEETING, BY TELECON, vol. JVET-Y0125, JPN6026028710, 13 January 2022 (2022-01-13), pages 1 - 4, ISSN: 0005908112 *

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* 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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EP4340364A1 (en) 2024-03-20
AU2023200531A1 (en) 2024-03-28
KR20240037137A (ko) 2024-03-21
US20240098272A1 (en) 2024-03-21
US12219150B2 (en) 2025-02-04
CN117714713A (zh) 2024-03-15

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