JP7434588B2 - ビデオ・フィルタリングのための方法および装置 - Google Patents

ビデオ・フィルタリングのための方法および装置 Download PDF

Info

Publication number
JP7434588B2
JP7434588B2 JP2022550172A JP2022550172A JP7434588B2 JP 7434588 B2 JP7434588 B2 JP 7434588B2 JP 2022550172 A JP2022550172 A JP 2022550172A JP 2022550172 A JP2022550172 A JP 2022550172A JP 7434588 B2 JP7434588 B2 JP 7434588B2
Authority
JP
Japan
Prior art keywords
filter
sample
video
samples
picture
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
JP2022550172A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023515506A (ja
Inventor
ドゥ，イシン
ジャオ，シン
リィウ，シャン
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.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of JP2023515506A publication Critical patent/JP2023515506A/ja
Priority to JP2024016753A priority Critical patent/JP7743951B2/ja
Application granted granted Critical
Publication of JP7434588B2 publication Critical patent/JP7434588B2/ja
Priority to JP2025140955A priority patent/JP2025170000A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H04N19/10—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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/70—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
    • H04N19/80—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022550172A 2020-12-08 2021-08-03 ビデオ・フィルタリングのための方法および装置 Active JP7434588B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024016753A JP7743951B2 (ja) 2020-12-08 2024-02-07 ビデオ・フィルタリングのための方法および装置
JP2025140955A JP2025170000A (ja) 2020-12-08 2025-08-27 ビデオ・フィルタリングのための方法および装置

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063122780P 2020-12-08 2020-12-08
US63/122,780 2020-12-08
US17/368,734 US11546638B2 (en) 2020-12-08 2021-07-06 Method and apparatus for video filtering
US17/368,734 2021-07-06
PCT/US2021/044333 WO2022125151A1 (en) 2020-12-08 2021-08-03 Method and apparatus for video filtering

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024016753A Division JP7743951B2 (ja) 2020-12-08 2024-02-07 ビデオ・フィルタリングのための方法および装置

Publications (2)

Publication Number Publication Date
JP2023515506A JP2023515506A (ja) 2023-04-13
JP7434588B2 true JP7434588B2 (ja) 2024-02-20

Family

ID=81848491

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2022550172A Active JP7434588B2 (ja) 2020-12-08 2021-08-03 ビデオ・フィルタリングのための方法および装置
JP2024016753A Active JP7743951B2 (ja) 2020-12-08 2024-02-07 ビデオ・フィルタリングのための方法および装置
JP2025140955A Pending JP2025170000A (ja) 2020-12-08 2025-08-27 ビデオ・フィルタリングのための方法および装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2024016753A Active JP7743951B2 (ja) 2020-12-08 2024-02-07 ビデオ・フィルタリングのための方法および装置
JP2025140955A Pending JP2025170000A (ja) 2020-12-08 2025-08-27 ビデオ・フィルタリングのための方法および装置

Country Status (6)

Country Link
US (4) US11546638B2 (https=)
EP (1) EP4074035A4 (https=)
JP (3) JP7434588B2 (https=)
KR (2) KR102905362B1 (https=)
CN (2) CN115104303B (https=)
WO (1) WO2022125151A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11778177B2 (en) * 2020-12-23 2023-10-03 Qualcomm Incorporated Adaptive loop filter with fixed filters
JP7684411B2 (ja) * 2021-02-01 2025-05-27 ベイジン ダージャー 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 クロスコンポーネントサンプリング適応オフセットにおける彩度符号化復号化の強化
US11785213B2 (en) * 2021-03-12 2023-10-10 Tencent America LLC Method and apparatus for video filtering
KR20230156790A (ko) 2021-03-18 2023-11-14 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 교차 컴포넌트 샘플 적응적 오프셋에서의 코딩 향상
US11770524B2 (en) * 2021-11-11 2023-09-26 Realtek Semiconductor Corp. Loop filter utilized in encoder and associated signal processing method
WO2024026098A1 (en) * 2022-07-28 2024-02-01 Beijing Dajia Internet Information Technology Co., Ltd Method and apparatus for cross-component prediction for video coding
CN117834864B (zh) * 2022-09-27 2025-11-18 中兴通讯股份有限公司 一种视频编解码环路滤波方法、视频解码方法及装置
US20240129461A1 (en) * 2022-10-04 2024-04-18 Tencent America LLC Systems and methods for cross-component sample offset filter information signaling
US20240414333A1 (en) * 2023-06-08 2024-12-12 Qualcomm Incorporated Mapping table derivation for fixed filter sets in video coding
US20260019574A1 (en) * 2024-07-14 2026-01-15 Tencent America LLC Techniques for in-loop filtering

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013187868A (ja) 2012-03-09 2013-09-19 Sharp Corp 画像復号装置、画像符号化装置、およびデータ構造
WO2019107994A1 (ko) 2017-11-29 2019-06-06 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치
JP2019525679A (ja) 2016-08-31 2019-09-05 クアルコム，インコーポレイテッド クロス成分フィルタ
WO2020126411A1 (en) 2018-12-21 2020-06-25 Canon Kabushiki Kaisha Adaptive loop filtering (alf) with non-linear clipping

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012094751A1 (en) * 2011-01-14 2012-07-19 Ebrisk Video Inc. Adaptive loop filtering using tables of filter sets for video coding
US20130322523A1 (en) * 2011-05-10 2013-12-05 Mediatek Inc. Method and apparatus for reduction of in-loop filter buffer
WO2019026721A1 (en) 2017-08-01 2019-02-07 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR FILTERING RECONSTRUCTED VIDEO DATA USING ADAPTIVE LOOP FILTERING TECHNIQUES
WO2020175893A1 (ko) 2019-02-28 2020-09-03 엘지전자 주식회사 Aps 시그널링 기반 비디오 또는 영상 코딩
WO2020224545A1 (en) * 2019-05-04 2020-11-12 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods using an adaptive loop filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013187868A (ja) 2012-03-09 2013-09-19 Sharp Corp 画像復号装置、画像符号化装置、およびデータ構造
JP2019525679A (ja) 2016-08-31 2019-09-05 クアルコム，インコーポレイテッド クロス成分フィルタ
WO2019107994A1 (ko) 2017-11-29 2019-06-06 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치
WO2020126411A1 (en) 2018-12-21 2020-06-25 Canon Kabushiki Kaisha Adaptive loop filtering (alf) with non-linear clipping

Also Published As

Publication number Publication date
EP4074035A1 (en) 2022-10-19
JP2025170000A (ja) 2025-11-14
US11546638B2 (en) 2023-01-03
CN115104303A (zh) 2022-09-23
KR20220100991A (ko) 2022-07-18
US12126838B2 (en) 2024-10-22
KR20260006076A (ko) 2026-01-12
CN121842378A (zh) 2026-04-10
EP4074035A4 (en) 2023-01-25
CN115104303B (zh) 2026-02-10
JP2023515506A (ja) 2023-04-13
US20220182680A1 (en) 2022-06-09
JP2024036568A (ja) 2024-03-15
US20230077218A1 (en) 2023-03-09
US20250016379A1 (en) 2025-01-09
WO2022125151A1 (en) 2022-06-16
US20250047907A1 (en) 2025-02-06
JP7743951B2 (ja) 2025-09-25
KR102905362B1 (ko) 2025-12-29

Similar Documents

Publication Publication Date Title
JP7498294B2 (ja) 所定のフィルタによるサンプルオフセット
JP7765549B2 (ja) サンプル・オフセットのための適応非線形マッピング
KR102899197B1 (ko) 비디오 필터링에서의 오프셋을 위한 방법 및 장치
JP7434588B2 (ja) ビデオ・フィルタリングのための方法および装置
JP7790757B2 (ja) ビデオフィルタリングのための方法及び装置
JP7480303B2 (ja) ビデオ符号化のための方法並びに、その装置、及びコンピュータプログラム
JP7813835B2 (ja) ビデオフィルタリングのための方法および装置
JP7509916B2 (ja) ビデオ符号化における境界処理のための方法、装置及びプログラム
JP7768960B2 (ja) ビデオフィルタリングのための方法および装置
KR102907193B1 (ko) 비디오 코딩을 위한 방법 및 장치

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220822

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230822

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231120

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: 20240109

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240207

R150 Certificate of patent or registration of utility model

Ref document number: 7434588

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150