KR102907193B1 - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치

Info

Publication number
KR102907193B1
KR102907193B1 KR1020227021937A KR20227021937A KR102907193B1 KR 102907193 B1 KR102907193 B1 KR 102907193B1 KR 1020227021937 A KR1020227021937 A KR 1020227021937A KR 20227021937 A KR20227021937 A KR 20227021937A KR 102907193 B1 KR102907193 B1 KR 102907193B1
Authority
KR
South Korea
Prior art keywords
filter
sample
samples
reconstructed
component
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
KR1020227021937A
Other languages
English (en)
Korean (ko)
Other versions
KR20220131225A (ko
Inventor
신 자오
이신 두
산 류
Original Assignee
텐센트 아메리카 엘엘씨
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 텐센트 아메리카 엘엘씨 filed Critical 텐센트 아메리카 엘엘씨
Priority to KR1020257043570A priority Critical patent/KR20260011773A/ko
Publication of KR20220131225A publication Critical patent/KR20220131225A/ko
Application granted granted Critical
Publication of KR102907193B1 publication Critical patent/KR102907193B1/ko
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
    • H04N19/10—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
    • H04N19/132—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
    • H04N19/169—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
KR1020227021937A 2021-03-18 2021-10-08 비디오 코딩을 위한 방법 및 장치 Active KR102907193B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020257043570A KR20260011773A (ko) 2021-03-18 2021-10-08 비디오 코딩을 위한 방법 및 장치

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163162956P 2021-03-18 2021-03-18
US63/162,956 2021-03-18
US17/495,318 US11706461B2 (en) 2021-03-18 2021-10-06 Method and apparatus for video coding
US17/495,318 2021-10-06
PCT/US2021/054198 WO2022197326A1 (en) 2021-03-18 2021-10-08 Method and apparatus for video coding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020257043570A Division KR20260011773A (ko) 2021-03-18 2021-10-08 비디오 코딩을 위한 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20220131225A KR20220131225A (ko) 2022-09-27
KR102907193B1 true KR102907193B1 (ko) 2026-01-02

Family

ID=83284304

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020227021937A Active KR102907193B1 (ko) 2021-03-18 2021-10-08 비디오 코딩을 위한 방법 및 장치
KR1020257043570A Pending KR20260011773A (ko) 2021-03-18 2021-10-08 비디오 코딩을 위한 방법 및 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020257043570A Pending KR20260011773A (ko) 2021-03-18 2021-10-08 비디오 코딩을 위한 방법 및 장치

Country Status (6)

Country Link
US (3) US11706461B2 (https=)
EP (1) EP4104448A4 (https=)
JP (3) JP7467676B2 (https=)
KR (2) KR102907193B1 (https=)
CN (2) CN119211538A (https=)
WO (1) WO2022197326A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022211693A1 (en) * 2021-03-30 2022-10-06 Telefonaktiebolaget Lm Ericsson (Publ) Combined loop filtering
KR20240170557A (ko) * 2022-03-31 2024-12-03 노키아 테크놀로지스 오와이 가상의 경계에서의 인루프 필터
WO2025001782A1 (en) * 2023-06-26 2025-01-02 Mediatek Inc. Method and apparatus of alf complexity reduction for cross-component taps in video coding
US20250113064A1 (en) * 2023-10-02 2025-04-03 Netflix, Inc. Techniques for debanding in the inverse transform stage of a video coding pipeline
WO2026055438A1 (en) * 2024-09-08 2026-03-12 Google Llc Scaling in cross-component sample offset

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018045207A1 (en) 2016-08-31 2018-03-08 Qualcomm Incorporated Cross-component filter
WO2020259538A1 (en) * 2019-06-27 2020-12-30 Mediatek Inc. Method and apparatus of cross-component adaptive loop filtering for video coding

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10070152B2 (en) * 2011-08-24 2018-09-04 Texas Instruments Incorporated Sample adaptive offset (SAO) parameter signaling
US10708622B2 (en) * 2011-12-20 2020-07-07 Texas Instruments Incorporated Adaptive loop filtering (ALF) for video coding
KR20170078682A (ko) * 2014-11-04 2017-07-07 삼성전자주식회사 에지 타입의 오프셋을 적용하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치
KR20180019548A (ko) * 2015-06-18 2018-02-26 엘지전자 주식회사 영상 코딩 시스템에서 영상 특성에 기반한 적응적 필터링 방법 및 장치
EP3361726A4 (en) * 2015-11-24 2018-08-15 Samsung Electronics Co., Ltd. Method and device for video decoding and method and device for video encoding
JP7047776B2 (ja) * 2017-01-12 2022-04-05 ソニーグループ株式会社 符号化装置及び符号化方法、並びに、復号装置及び復号方法
US11677940B2 (en) * 2017-09-20 2023-06-13 Electronics And Telecommunications Research Institute Method and device for encoding/decoding image, and recording medium having stored bitstream
US20190306534A1 (en) * 2018-04-02 2019-10-03 Qualcomm Incorporated Unification of deblocking filter and adaptive loop filter
CN118631992A (zh) 2019-06-17 2024-09-10 韩国电子通信研究院 自适应环内滤波方法和设备
CN120263990A (zh) * 2019-06-21 2025-07-04 三星电子株式会社 视频编码方法和设备以及视频解码方法和设备
CN119996656A (zh) * 2019-07-21 2025-05-13 Lg电子株式会社 图像编码/解码方法、存储介质及发送比特流的方法
US11197030B2 (en) * 2019-08-08 2021-12-07 Panasonic Intellectual Property Corporation Of America System and method for video coding
JP7393550B2 (ja) * 2019-12-11 2023-12-06 北京字節跳動網絡技術有限公司 クロス成分適応ループフィルタリングのためのサンプルパディング

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018045207A1 (en) 2016-08-31 2018-03-08 Qualcomm Incorporated Cross-component filter
WO2020259538A1 (en) * 2019-06-27 2020-12-30 Mediatek Inc. Method and apparatus of cross-component adaptive loop filtering for video coding

Also Published As

Publication number Publication date
CN119211538A (zh) 2024-12-27
CN115699774A (zh) 2023-02-03
EP4104448A4 (en) 2023-05-10
JP2026062686A (ja) 2026-04-10
US12034978B2 (en) 2024-07-09
KR20260011773A (ko) 2026-01-23
KR20220131225A (ko) 2022-09-27
JP7467676B2 (ja) 2024-04-15
JP2023521701A (ja) 2023-05-25
CN115699774B (zh) 2024-11-12
US20220303585A1 (en) 2022-09-22
US20240323450A1 (en) 2024-09-26
WO2022197326A1 (en) 2022-09-22
US20230239513A1 (en) 2023-07-27
US11706461B2 (en) 2023-07-18
JP7794882B2 (ja) 2026-01-06
EP4104448A1 (en) 2022-12-21
JP2024083447A (ja) 2024-06-21

Similar Documents

Publication Publication Date Title
KR102890087B1 (ko) 미리 정의된 필터들에 의한 샘플 오프셋
US11375221B2 (en) Method and apparatus for cross-component filtering
US11812065B2 (en) Method and apparatus for filtering
KR102848845B1 (ko) 비디오 코딩 방법 및 장치
KR102845452B1 (ko) 비디오 필터링을 위한 방법 및 장치
JP7743951B2 (ja) ビデオ・フィルタリングのための方法および装置
KR102938375B1 (ko) 비디오 필터링을 위한 방법 및 장치
EP4046380A1 (en) Method and apparatus for offset in video filtering
KR102907193B1 (ko) 비디오 코딩을 위한 방법 및 장치
US12568213B2 (en) Method and apparatus for boundary handling in video coding
JP7768960B2 (ja) ビデオフィルタリングのための方法および装置
KR102885579B1 (ko) 비디오 코딩을 위한 방법 및 장치
JP2024510600A (ja) 一般化サンプルオフセットの適応的適用

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

A16 Divisional, continuation or continuation in part application filed

Free format text: ST27 STATUS EVENT CODE: A-0-1-A10-A16-DIV-PA0104 (AS PROVIDED BY THE NATIONAL OFFICE)

F11 Ip right granted following substantive examination

Free format text: ST27 STATUS EVENT CODE: A-2-4-F10-F11-EXM-PR0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A16-div-PA0104

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)