KR102938375B1 - 비디오 필터링을 위한 방법 및 장치 - Google Patents

비디오 필터링을 위한 방법 및 장치

Info

Publication number
KR102938375B1
KR102938375B1 KR1020227039597A KR20227039597A KR102938375B1 KR 102938375 B1 KR102938375 B1 KR 102938375B1 KR 1020227039597 A KR1020227039597 A KR 1020227039597A KR 20227039597 A KR20227039597 A KR 20227039597A KR 102938375 B1 KR102938375 B1 KR 102938375B1
Authority
KR
South Korea
Prior art keywords
filter
samples
sample
video
chroma
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
KR1020227039597A
Other languages
English (en)
Korean (ko)
Other versions
KR20220166354A (ko
Inventor
이신 두
신 자오
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 KR1020267007250A priority Critical patent/KR20260041915A/ko
Publication of KR20220166354A publication Critical patent/KR20220166354A/ko
Application granted granted Critical
Publication of KR102938375B1 publication Critical patent/KR102938375B1/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
    • 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
    • H04N19/134—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
    • H04N19/186—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/80—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)
KR1020227039597A 2021-03-22 2021-09-30 비디오 필터링을 위한 방법 및 장치 Active KR102938375B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020267007250A KR20260041915A (ko) 2021-03-22 2021-09-30 비디오 필터링을 위한 방법 및 장치

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163164478P 2021-03-22 2021-03-22
US63/164,478 2021-03-22
US17/449,126 2021-09-28
US17/449,126 US11750846B2 (en) 2021-03-22 2021-09-28 Method and apparatus for video filtering
PCT/US2021/052941 WO2022203719A1 (en) 2021-03-22 2021-09-30 Method and apparatus for video filtering

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020267007250A Division KR20260041915A (ko) 2021-03-22 2021-09-30 비디오 필터링을 위한 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20220166354A KR20220166354A (ko) 2022-12-16
KR102938375B1 true KR102938375B1 (ko) 2026-03-16

Family

ID=83284298

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020227039597A Active KR102938375B1 (ko) 2021-03-22 2021-09-30 비디오 필터링을 위한 방법 및 장치
KR1020267007250A Pending KR20260041915A (ko) 2021-03-22 2021-09-30 비디오 필터링을 위한 방법 및 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020267007250A Pending KR20260041915A (ko) 2021-03-22 2021-09-30 비디오 필터링을 위한 방법 및 장치

Country Status (6)

Country Link
US (3) US11750846B2 (https=)
EP (1) EP4115613A4 (https=)
JP (2) JP7498297B2 (https=)
KR (2) KR102938375B1 (https=)
CN (2) CN115398899B (https=)
WO (1) WO2022203719A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11483557B2 (en) * 2020-06-18 2022-10-25 Tencent America LLC Separate constrained directional enhancement filter
US11770524B2 (en) * 2021-11-11 2023-09-26 Realtek Semiconductor Corp. Loop filter utilized in encoder and associated signal processing method
US11838557B2 (en) * 2021-11-17 2023-12-05 Mediatek Inc. Methods and apparatuses of ALF derivation in video encoding system
KR20240170557A (ko) * 2022-03-31 2024-12-03 노키아 테크놀로지스 오와이 가상의 경계에서의 인루프 필터
US12439037B2 (en) * 2022-12-22 2025-10-07 Qualcomm Incorporated Area optimized storage scheme for cross-component adaptive loop filtering
US12593039B2 (en) 2023-08-30 2026-03-31 Tencent America LLC Cross-component sample offset (CCSO) with adaptive multi-tap-filter classifiers
US20250113064A1 (en) * 2023-10-02 2025-04-03 Netflix, Inc. Techniques for debanding in the inverse transform stage of a video coding pipeline
WO2025096113A1 (en) * 2023-11-01 2025-05-08 Apple Inc. Techniques for contouring/banding artifact removal in compressed image/video

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200296364A1 (en) 2019-03-12 2020-09-17 Qualcomm Incorporated Combined in-loop filters for video coding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10728546B2 (en) * 2016-02-05 2020-07-28 Apple Inc. Sample adaptive offset systems and methods
US10419757B2 (en) 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
US10687083B2 (en) * 2018-06-06 2020-06-16 Intel Corporation Loop restoration filtering for super resolution video coding
GB2580173B (en) * 2018-12-21 2022-07-27 Canon Kk A filter
EP3915253A4 (en) * 2019-01-25 2022-11-09 HFI Innovation Inc. METHOD AND APPARATUS FOR NON-LINEAR ADAPTIVE LOOP FILTERING IN VIDEO CODING
US11197030B2 (en) * 2019-08-08 2021-12-07 Panasonic Intellectual Property Corporation Of America System and method for video coding
US12335470B2 (en) * 2021-02-26 2025-06-17 Alibaba Group Holding Limited Directional cross component filter for video coding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200296364A1 (en) 2019-03-12 2020-09-17 Qualcomm Incorporated Combined in-loop filters for video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Chen J et al: "Algorithm description for Versatile Video Coding and Test Model 11 (VTM 11)", JVET-T2002, 2021.1.5.

Also Published As

Publication number Publication date
JP2023522703A (ja) 2023-05-31
CN115398899A (zh) 2022-11-25
EP4115613A1 (en) 2023-01-11
JP2024107033A (ja) 2024-08-08
CN119299676A (zh) 2025-01-10
KR20260041915A (ko) 2026-03-27
JP7498297B2 (ja) 2024-06-11
CN115398899B (zh) 2024-10-29
US20230353792A1 (en) 2023-11-02
JP7813835B2 (ja) 2026-02-13
WO2022203719A1 (en) 2022-09-29
KR20220166354A (ko) 2022-12-16
US11750846B2 (en) 2023-09-05
US20220303584A1 (en) 2022-09-22
US20240397112A1 (en) 2024-11-28
EP4115613A4 (en) 2023-07-12
US12088853B2 (en) 2024-09-10

Similar Documents

Publication Publication Date Title
KR102899197B1 (ko) 비디오 필터링에서의 오프셋을 위한 방법 및 장치
JP7790757B2 (ja) ビデオフィルタリングのための方法及び装置
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
KR102922250B1 (ko) 비디오 코딩의 경계 처리를 위한 방법 및 장치
KR102907193B1 (ko) 비디오 코딩을 위한 방법 및 장치
JP7768960B2 (ja) ビデオフィルタリングのための方法および装置

Legal Events

Date Code Title Description
A201 Request for examination
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

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)