JP7507169B2 - 適応ループフィルタ処理のための境界ハンドリング - Google Patents

適応ループフィルタ処理のための境界ハンドリング Download PDF

Info

Publication number
JP7507169B2
JP7507169B2 JP2021552913A JP2021552913A JP7507169B2 JP 7507169 B2 JP7507169 B2 JP 7507169B2 JP 2021552913 A JP2021552913 A JP 2021552913A JP 2021552913 A JP2021552913 A JP 2021552913A JP 7507169 B2 JP7507169 B2 JP 7507169B2
Authority
JP
Japan
Prior art keywords
sample
samples
video data
gradient
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2021552913A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022524055A5 (https=
JPWO2020185919A5 (https=
JP2022524055A (ja
Inventor
セレジン、バディム
フ、ナン
カルチェビチ、マルタ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2022524055A publication Critical patent/JP2022524055A/ja
Publication of JP2022524055A5 publication Critical patent/JP2022524055A5/ja
Publication of JPWO2020185919A5 publication Critical patent/JPWO2020185919A5/ja
Application granted granted Critical
Publication of JP7507169B2 publication Critical patent/JP7507169B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N19/10Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/174Methods 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021552913A 2019-03-11 2020-03-11 適応ループフィルタ処理のための境界ハンドリング Active JP7507169B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962816728P 2019-03-11 2019-03-11
US62/816,728 2019-03-11
US16/814,597 US11910024B2 (en) 2019-03-11 2020-03-10 Boundary handling for adaptive loop filtering
US16/814,597 2020-03-10
PCT/US2020/022132 WO2020185919A1 (en) 2019-03-11 2020-03-11 Boundary handling for adaptive loop filtering

Publications (4)

Publication Number Publication Date
JP2022524055A JP2022524055A (ja) 2022-04-27
JP2022524055A5 JP2022524055A5 (https=) 2023-02-24
JPWO2020185919A5 JPWO2020185919A5 (https=) 2023-02-24
JP7507169B2 true JP7507169B2 (ja) 2024-06-27

Family

ID=72423568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021552913A Active JP7507169B2 (ja) 2019-03-11 2020-03-11 適応ループフィルタ処理のための境界ハンドリング

Country Status (18)

Country Link
US (1) US11910024B2 (https=)
EP (1) EP3939321A1 (https=)
JP (1) JP7507169B2 (https=)
KR (1) KR20210135246A (https=)
CN (1) CN113557743B (https=)
AU (1) AU2020234574B2 (https=)
BR (1) BR112021017449A2 (https=)
CA (1) CA3131117A1 (https=)
CL (1) CL2021002356A1 (https=)
CO (1) CO2021011792A2 (https=)
IL (1) IL285638B2 (https=)
MX (1) MX2021010859A (https=)
MY (1) MY208959A (https=)
PH (1) PH12021551988A1 (https=)
SA (1) SA521430180B1 (https=)
SG (1) SG11202108952SA (https=)
TW (1) TWI845635B (https=)
WO (1) WO2020185919A1 (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11044473B2 (en) * 2018-12-21 2021-06-22 Qualcomm Incorporated Adaptive loop filtering classification in video coding
US11153598B2 (en) * 2019-06-04 2021-10-19 Tencent America LLC Method and apparatus for video coding using a subblock-based affine motion model
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
CN118138754A (zh) 2019-06-14 2024-06-04 北京字节跳动网络技术有限公司 处理视频单元边界和虚拟边界
KR102669852B1 (ko) 2019-07-09 2024-05-29 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 루프 필터링을 위한 샘플 결정
CA3146773C (en) 2019-07-11 2025-05-06 Beijing Bytedance Network Technology Co., Ltd. SAMPLE FILLING IN AN ADAPTIVE LOOP FILTER
KR102707854B1 (ko) 2019-07-15 2024-09-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 루프 필터링에서의 분류
CN117278747A (zh) 2019-09-22 2023-12-22 北京字节跳动网络技术有限公司 自适应环路滤波中的填充过程
KR102721536B1 (ko) * 2019-09-27 2024-10-25 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 상이한 비디오 유닛들 간의 적응적 루프 필터링
KR102762212B1 (ko) 2019-10-10 2025-02-07 두인 비전 컴퍼니 리미티드 적응적 루프 필터링에서 이용 불가능한 샘플 위치들에서의 패딩 프로세스
CN115428449B (zh) * 2019-11-04 2024-12-31 抖音视界有限公司 处理视频数据的方法、装置及存储介质
US11425405B2 (en) * 2019-11-15 2022-08-23 Qualcomm Incorporated Cross-component adaptive loop filter in video coding
WO2022066783A1 (en) * 2020-09-23 2022-03-31 Beijing Dajia Internet Information Technology Co., Ltd. Chroma coding enhancement in cross-component sample adaptive offset with virtual boundary
CN119547433A (zh) * 2022-06-28 2025-02-28 抖音视界有限公司 视频编码编解码中用于自适应环路滤波器的填充方法
US20240348796A1 (en) * 2023-04-13 2024-10-17 Qualcomm Incorporated Coding affine motion models for video coding
US20250014226A1 (en) * 2023-07-07 2025-01-09 Sony Interactive Entertainment LLC Optimized partition selection for bc7 texture encoding
US20250119540A1 (en) * 2023-10-06 2025-04-10 Qualcomm Incorporated Applying a scaling factor to select a filter for filtering decoded video data

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019107994A1 (ko) 2017-11-29 2019-06-06 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8548041B2 (en) 2008-09-25 2013-10-01 Mediatek Inc. Adaptive filter
US9525884B2 (en) 2010-11-02 2016-12-20 Hfi Innovation Inc. Method and apparatus of slice boundary filtering for high efficiency video coding
US9060174B2 (en) * 2010-12-28 2015-06-16 Fish Dive, Inc. Method and system for selectively breaking prediction in video coding
US9641866B2 (en) 2011-08-18 2017-05-02 Qualcomm Incorporated Applying partition-based filters
US20130107973A1 (en) 2011-10-28 2013-05-02 Qualcomm Incorporated Loop filtering control over tile boundaries
US10136144B2 (en) 2012-05-21 2018-11-20 Mediatek Singapore Pte. Ltd. Method and apparatus of inter-layer filtering for scalable video coding
US9357211B2 (en) * 2012-12-28 2016-05-31 Qualcomm Incorporated Device and method for scalable and multiview/3D coding of video information
US10057574B2 (en) 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
KR20180014675A (ko) 2016-08-01 2018-02-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10721469B2 (en) 2017-11-28 2020-07-21 Qualcomm Incorporated Line buffer reduction for adaptive loop filtering in video coding
CN118042153A (zh) * 2018-01-25 2024-05-14 三星电子株式会社 使用基于子块的运动补偿进行视频信号处理的方法和装置
US11451773B2 (en) 2018-06-01 2022-09-20 Qualcomm Incorporated Block-based adaptive loop filter (ALF) design and signaling

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019107994A1 (ko) 2017-11-29 2019-06-06 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치
JP2021505074A (ja) 2017-11-29 2021-02-15 エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュートElectronics And Telecommunications Research Institute ループ内フィルタリングを用いた画像符号化/復号化方法及び装置

Also Published As

Publication number Publication date
CN113557743A (zh) 2021-10-26
TW202042553A (zh) 2020-11-16
TWI845635B (zh) 2024-06-21
MY208959A (en) 2025-06-13
BR112021017449A2 (pt) 2021-11-16
IL285638B1 (en) 2024-06-01
IL285638A (en) 2021-09-30
CA3131117A1 (en) 2020-09-17
EP3939321A1 (en) 2022-01-19
KR20210135246A (ko) 2021-11-12
SA521430180B1 (ar) 2024-08-28
SG11202108952SA (en) 2021-09-29
CL2021002356A1 (es) 2022-06-10
PH12021551988A1 (en) 2022-08-22
JP2022524055A (ja) 2022-04-27
AU2020234574B2 (en) 2025-08-28
CN113557743B (zh) 2025-02-11
MX2021010859A (es) 2021-10-22
IL285638B2 (en) 2024-10-01
US11910024B2 (en) 2024-02-20
AU2020234574A1 (en) 2021-09-16
WO2020185919A1 (en) 2020-09-17
CO2021011792A2 (es) 2021-09-20
US20200296425A1 (en) 2020-09-17

Similar Documents

Publication Publication Date Title
JP7507169B2 (ja) 適応ループフィルタ処理のための境界ハンドリング
JP7795528B2 (ja) ビデオコーディング中にフィルタ処理するための複数のニューラルネットワークモデル
JP7629413B2 (ja) ビデオエンコードのための0化パターンに基づく低周波数非分離変換シグナリング
TWI845688B (zh) 用於視訊寫碼之合併模式寫碼
CN113940069A (zh) 用于视频译码中的低频不可分离变换的变换和最后有效系数位置信令
JP7787883B2 (ja) ビデオコーディングのためのニューラルネットワークベースフィルタ処理プロセスにおける活性化関数設計
TWI877192B (zh) 用於視訊寫碼之色度內預測單元
JP7566014B2 (ja) ビデオコーディングのためのクロスコンポーネント適応ループフィルタリングのためのビットシフティング
JP2025509129A (ja) デブロッキングフィルタ前のサンプル及びサンプル適応オフセット前のサンプルを有する適応ループフィルタ
CN114731394A (zh) 用于视频编解码的角度帧内预测模式的位置相关帧内预测组合
WO2021034761A1 (en) Low-frequency non-separable transform (lfnst) signaling
AU2020301234A1 (en) Nonlinear extensions of adaptive loop filtering for video coding
TWI873150B (zh) 增強內部寫碼區塊之解碼產出量
CA3210355A1 (en) Intra-mode dependent multiple transform selection for video coding
TWI871345B (zh) 調色板及預測模式信令發送
JP7824958B2 (ja) 固定されたフィルタを用いる適応ループフィルタ
CN114868397A (zh) 关于视频译码中的多重变换选择信令的基于系数组的约束
KR20250128971A (ko) 적응형 루프 필터 분류기들
HK40059335A (en) Boundary handling for adaptive loop filtering
HK40059335B (zh) 用於自适应环路滤波的边界处理
WO2026015303A1 (en) Adaptive loop filter joint optimization in video coding
WO2025221445A1 (en) Adaptive loop filter (alf) and/or cross-component alf for video coding
WO2026080199A1 (en) Adaptive loop filter joint optimization for video coding
KR20250166132A (ko) 적응형 비디오 필터
KR20250128980A (ko) 적응적 비디오 필터 분류자 방법들

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20230104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230215

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230215

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231212

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240301

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240521

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240617