JP7494218B2 - ビデオエンコーディングにおける適応ループフィルタのためのクリッピングインデックスコード化 - Google Patents

ビデオエンコーディングにおける適応ループフィルタのためのクリッピングインデックスコード化 Download PDF

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JP7494218B2
JP7494218B2 JP2021572454A JP2021572454A JP7494218B2 JP 7494218 B2 JP7494218 B2 JP 7494218B2 JP 2021572454 A JP2021572454 A JP 2021572454A JP 2021572454 A JP2021572454 A JP 2021572454A JP 7494218 B2 JP7494218 B2 JP 7494218B2
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video
block
clipping
index
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JP2022537662A5 (https=
JP2022537662A (ja
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フ、ナン
セレジン、バディム
エイイレメゼ、ヒルミ・エネス
カルチェビチ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/70—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/46—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021572454A 2019-06-11 2020-06-11 ビデオエンコーディングにおける適応ループフィルタのためのクリッピングインデックスコード化 Active JP7494218B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962859948P 2019-06-11 2019-06-11
US62/859,948 2019-06-11
US16/897,049 2020-06-09
US16/897,049 US11418779B2 (en) 2019-06-11 2020-06-09 Clipping indices coding for adaptive loop filter in video coding
PCT/US2020/037217 WO2020252154A1 (en) 2019-06-11 2020-06-11 Clipping indices coding for adaptive loop filter in video coding

Publications (3)

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JP2022537662A JP2022537662A (ja) 2022-08-29
JP2022537662A5 JP2022537662A5 (https=) 2023-05-22
JP7494218B2 true JP7494218B2 (ja) 2024-06-03

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US (1) US11418779B2 (https=)
EP (1) EP3984233B1 (https=)
JP (1) JP7494218B2 (https=)
KR (1) KR102847958B1 (https=)
CN (1) CN113940067B (https=)
AU (1) AU2020292327B2 (https=)
BR (1) BR112021024316A2 (https=)
CA (1) CA3139825A1 (https=)
CL (1) CL2021003263A1 (https=)
CO (1) CO2021016628A2 (https=)
IL (1) IL287900B2 (https=)
MX (1) MX2021015404A (https=)
MY (1) MY210456A (https=)
PH (1) PH12021552843A1 (https=)
SG (1) SG11202112340YA (https=)
TW (1) TWI879773B (https=)
WO (1) WO2020252154A1 (https=)
ZA (1) ZA202110269B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3984229A4 (en) 2019-06-14 2022-07-06 Telefonaktiebolaget Lm Ericsson (Publ) SIMPLIFIED DOWNSAMPLE FOR MATRIX-BASED INTRA PREDICTION
CN113766248B (zh) * 2019-06-25 2022-10-18 北京大学 环路滤波的方法与装置
CN120378607A (zh) * 2019-07-08 2025-07-25 Lg电子株式会社 解码和编码方法及数据的发送方法
US20230050232A1 (en) * 2020-01-15 2023-02-16 Lg Electronics Inc. In-loop filtering-based image coding apparatus and method
US11838557B2 (en) * 2021-11-17 2023-12-05 Mediatek Inc. Methods and apparatuses of ALF derivation in video encoding system
US20260113439A1 (en) * 2022-10-17 2026-04-23 Mediatek Inc. Method and Apparatus of Adaptive Loop Filter Sub-Shape Selection for Video Coding
WO2026007113A1 (zh) * 2024-07-05 2026-01-08 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020211770A1 (en) 2019-04-15 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Temporal prediction of parameters in non-linear adaptive loop filter
JP2022530921A (ja) 2019-05-04 2022-07-04 華為技術有限公司 適応ループ・フィルタを用いたエンコーダ、デコーダおよび対応する方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011126759A1 (en) * 2010-04-09 2011-10-13 Sony Corporation Optimal separable adaptive loop filter
US9094658B2 (en) 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
US9456111B2 (en) 2010-06-15 2016-09-27 Mediatek Inc. System and method for content adaptive clipping
US9516306B2 (en) 2013-03-27 2016-12-06 Qualcomm Incorporated Depth coding modes signaling of depth data for 3D-HEVC
US9602822B2 (en) * 2013-04-17 2017-03-21 Qualcomm Incorporated Indication of cross-layer picture type alignment in multi-layer video coding
WO2015015058A1 (en) 2013-07-31 2015-02-05 Nokia Corporation Method and apparatus for video coding and decoding
US10701383B2 (en) * 2015-06-16 2020-06-30 Lg Electronics Inc. Method for encoding/decoding image and device for same
US11405611B2 (en) * 2016-02-15 2022-08-02 Qualcomm Incorporated Predicting filter coefficients from fixed filters for video coding
JP2019521571A (ja) * 2016-05-13 2019-07-25 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 適応クリッピングを用いた映像コード化の方法および装置
US10419755B2 (en) * 2016-05-16 2019-09-17 Qualcomm Incorporated Confusion of multiple filters in adaptive loop filtering in video coding
WO2018105579A1 (ja) 2016-12-09 2018-06-14 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
EP3915253A4 (en) 2019-01-25 2022-11-09 HFI Innovation Inc. METHOD AND APPARATUS FOR NON-LINEAR ADAPTIVE LOOP FILTERING IN VIDEO CODING

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020211770A1 (en) 2019-04-15 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Temporal prediction of parameters in non-linear adaptive loop filter
JP2022526633A (ja) 2019-04-15 2022-05-25 北京字節跳動網絡技術有限公司 非線形適応ループフィルタにおけるパラメータの時間的予測
JP2022530921A (ja) 2019-05-04 2022-07-04 華為技術有限公司 適応ループ・フィルタを用いたエンコーダ、デコーダおよび対応する方法

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Publication number Publication date
AU2020292327A1 (en) 2021-12-16
IL287900B2 (en) 2025-01-01
BR112021024316A2 (pt) 2022-01-11
EP3984233B1 (en) 2024-09-25
KR20220019236A (ko) 2022-02-16
MY210456A (en) 2025-09-24
EP3984233C0 (en) 2024-09-25
CN113940067B (zh) 2024-09-06
ZA202110269B (en) 2025-01-29
EP3984233A1 (en) 2022-04-20
PH12021552843A1 (en) 2022-10-17
MX2021015404A (es) 2022-01-24
US20200396452A1 (en) 2020-12-17
WO2020252154A1 (en) 2020-12-17
KR102847958B1 (ko) 2025-08-19
IL287900B1 (en) 2024-09-01
TW202106013A (zh) 2021-02-01
SG11202112340YA (en) 2021-12-30
CN113940067A (zh) 2022-01-14
JP2022537662A (ja) 2022-08-29
CO2021016628A2 (es) 2022-01-17
CA3139825A1 (en) 2020-12-17
AU2020292327B2 (en) 2026-01-29
TWI879773B (zh) 2025-04-11
IL287900A (en) 2022-01-01
US11418779B2 (en) 2022-08-16
CL2021003263A1 (es) 2023-01-20

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