JP7343702B2 - デブロッキングフィルタ装置、復号装置、及びプログラム - Google Patents

デブロッキングフィルタ装置、復号装置、及びプログラム Download PDF

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JP7343702B2
JP7343702B2 JP2022530590A JP2022530590A JP7343702B2 JP 7343702 B2 JP7343702 B2 JP 7343702B2 JP 2022530590 A JP2022530590 A JP 2022530590A JP 2022530590 A JP2022530590 A JP 2022530590A JP 7343702 B2 JP7343702 B2 JP 7343702B2
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俊輔 岩村
慎平 根本
雄一 近藤
和久 井口
敦郎 市ヶ谷
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Japan Broadcasting Corp
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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
    • H04N19/102—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
    • H04N19/85—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
    • H04N19/10—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • 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
    • H04N19/169—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
    • H04N19/169—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
    • H04N19/18—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 set of transform coefficients
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022530590A 2020-06-10 2021-06-08 デブロッキングフィルタ装置、復号装置、及びプログラム Active JP7343702B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023141346A JP7695310B2 (ja) 2020-06-10 2023-08-31 デブロッキングフィルタ装置、復号装置、及びプログラム
JP2025094809A JP2025124883A (ja) 2020-06-10 2025-06-06 デブロッキングフィルタ装置、復号装置、及びプログラム

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JP2020101293 2020-06-10
JP2020101293 2020-06-10
PCT/JP2021/021814 WO2021251398A1 (ja) 2020-06-10 2021-06-08 デブロッキングフィルタ装置、復号装置、及びプログラム

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JP7343702B2 true JP7343702B2 (ja) 2023-09-12

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JP2023141346A Active JP7695310B2 (ja) 2020-06-10 2023-08-31 デブロッキングフィルタ装置、復号装置、及びプログラム
JP2025094809A Pending JP2025124883A (ja) 2020-06-10 2025-06-06 デブロッキングフィルタ装置、復号装置、及びプログラム

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US (2) US12212744B2 (https=)
JP (3) JP7343702B2 (https=)
CN (1) CN114450964A (https=)
WO (1) WO2021251398A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023162377A (ja) * 2020-06-10 2023-11-08 日本放送協会 デブロッキングフィルタ装置、復号装置、及びプログラム

Citations (1)

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Publication number Priority date Publication date Assignee Title
US20160261885A1 (en) 2014-03-04 2016-09-08 Microsoft Technology Licensing, Llc Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths

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CN105227958B (zh) * 2010-07-20 2019-06-25 Sk电信有限公司 用于解码视频信号的解码装置
CN106941608B (zh) * 2011-06-30 2021-01-15 三菱电机株式会社 图像编码装置及方法、图像解码装置及方法
BR112017004886A2 (pt) * 2014-09-12 2017-12-05 Vid Scale Inc dispositivo de codificação de vídeo e método de codificação de vídeo
CN113906749B (zh) * 2019-04-30 2023-05-23 北京达佳互联信息技术有限公司 色度残差联合编码方法和装置
JP7343596B6 (ja) * 2019-08-23 2024-02-26 華為技術有限公司 合同クロマ符号化を使用するブロックについてクロマ・ブロッキング解除を実行するためのエンコーダ、デコーダおよび対応する方法
WO2021086021A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 적응적 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN114902657B (zh) * 2019-12-31 2025-06-13 字节跳动有限公司 视频编解码中的自适应颜色变换
CN114450964A (zh) * 2020-06-10 2022-05-06 日本放送协会 去块滤波装置、解码装置及程序

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US20160261885A1 (en) 2014-03-04 2016-09-08 Microsoft Technology Licensing, Llc Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths

Non-Patent Citations (1)

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Title
HELMRICH, Christian et al.，CE7-related: Alternative configuration of CE7-2.2 joint chroma residual coding，Joint Video Experts Team (JVET)，2019年07月02日，[JVET-O0935-v1] (version 1), <JVET-O0935-v1.docx>, <JVET-O0935-v1_draft_text.docx>, pp.60-61,118,279-280

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023162377A (ja) * 2020-06-10 2023-11-08 日本放送協会 デブロッキングフィルタ装置、復号装置、及びプログラム
JP7695310B2 (ja) 2020-06-10 2025-06-18 日本放送協会 デブロッキングフィルタ装置、復号装置、及びプログラム

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Publication number Publication date
JP2023162377A (ja) 2023-11-08
US20250119542A1 (en) 2025-04-10
US20220217339A1 (en) 2022-07-07
US12212744B2 (en) 2025-01-28
CN114450964A (zh) 2022-05-06
JPWO2021251398A1 (https=) 2021-12-16
WO2021251398A1 (ja) 2021-12-16
JP7695310B2 (ja) 2025-06-18
JP2025124883A (ja) 2025-08-26

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