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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JP2022537662A (ja
JP2022537662A5 (https=
JPWO2020252154A5 (https=
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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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    • 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • 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
    • H04N19/186Methods 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
    • 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
    • H04N19/17Methods 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
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/91Entropy 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

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JP2022537662A JP2022537662A (ja) 2022-08-29
JP2022537662A5 JP2022537662A5 (https=) 2023-05-22
JPWO2020252154A5 JPWO2020252154A5 (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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114009044A (zh) 2019-06-14 2022-02-01 瑞典爱立信有限公司 用于基于矩阵的帧内预测的简化下采样
WO2020258055A1 (zh) * 2019-06-25 2020-12-30 北京大学 环路滤波的方法与装置
CN120378608A (zh) * 2019-07-08 2025-07-25 Lg电子株式会社 解码和编码设备及发送用于图像的数据的设备
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
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
US8787449B2 (en) * 2010-04-09 2014-07-22 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
TW201517597A (zh) 2013-07-31 2015-05-01 Nokia Corp 用於視訊編碼及解碼之方法及裝置
WO2016204524A1 (ko) * 2015-06-16 2016-12-22 엘지전자(주) 영상의 부호화/복호화 방법 및 이를 위한 장치
US11405611B2 (en) * 2016-02-15 2022-08-02 Qualcomm Incorporated Predicting filter coefficients from fixed filters for video coding
CA3023986A1 (en) * 2016-05-13 2017-11-16 Interdigital Vc Holdings, Inc. Method and apparatus for video coding with adaptive clipping
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
US11477448B2 (en) 2019-01-25 2022-10-18 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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CL2021003263A1 (es) 2023-01-20
AU2020292327A1 (en) 2021-12-16
WO2020252154A1 (en) 2020-12-17
JP2022537662A (ja) 2022-08-29
IL287900A (en) 2022-01-01
TW202106013A (zh) 2021-02-01
ZA202110269B (en) 2025-01-29
CO2021016628A2 (es) 2022-01-17
EP3984233C0 (en) 2024-09-25
TWI879773B (zh) 2025-04-11
KR20220019236A (ko) 2022-02-16
MX2021015404A (es) 2022-01-24
IL287900B1 (en) 2024-09-01
CN113940067B (zh) 2024-09-06
SG11202112340YA (en) 2021-12-30
CN113940067A (zh) 2022-01-14
US20200396452A1 (en) 2020-12-17
EP3984233A1 (en) 2022-04-20
CA3139825A1 (en) 2020-12-17
PH12021552843A1 (en) 2022-10-17
KR102847958B1 (ko) 2025-08-19
US11418779B2 (en) 2022-08-16
EP3984233B1 (en) 2024-09-25
AU2020292327B2 (en) 2026-01-29
MY210456A (en) 2025-09-24
IL287900B2 (en) 2025-01-01
BR112021024316A2 (pt) 2022-01-11

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