KR20260041915A - 비디오 필터링을 위한 방법 및 장치 - Google Patents
비디오 필터링을 위한 방법 및 장치Info
- Publication number
- KR20260041915A KR20260041915A KR1020267007250A KR20267007250A KR20260041915A KR 20260041915 A KR20260041915 A KR 20260041915A KR 1020267007250 A KR1020267007250 A KR 1020267007250A KR 20267007250 A KR20267007250 A KR 20267007250A KR 20260041915 A KR20260041915 A KR 20260041915A
- Authority
- KR
- South Korea
- Prior art keywords
- filter
- samples
- sample
- reconstructed
- video
- 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.)
- Pending
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
- H04N19/124—Quantisation
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- 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)
Applications Claiming Priority (6)
| 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 |
| KR1020227039597A KR102938375B1 (ko) | 2021-03-22 | 2021-09-30 | 비디오 필터링을 위한 방법 및 장치 |
| PCT/US2021/052941 WO2022203719A1 (en) | 2021-03-22 | 2021-09-30 | Method and apparatus for video filtering |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227039597A Division KR102938375B1 (ko) | 2021-03-22 | 2021-09-30 | 비디오 필터링을 위한 방법 및 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20260041915A true KR20260041915A (ko) | 2026-03-27 |
Family
ID=83284298
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020267007250A Pending KR20260041915A (ko) | 2021-03-22 | 2021-09-30 | 비디오 필터링을 위한 방법 및 장치 |
| KR1020227039597A Active KR102938375B1 (ko) | 2021-03-22 | 2021-09-30 | 비디오 필터링을 위한 방법 및 장치 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227039597A Active KR102938375B1 (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) | KR20260041915A (https=) |
| CN (2) | CN115398899B (https=) |
| WO (1) | WO2022203719A1 (https=) |
Families Citing this family (8)
| 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 |
| WO2023186474A1 (en) * | 2022-03-31 | 2023-10-05 | Nokia Technologies Oy | In-loop filters at virtual boundaries |
| 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 |
| US20250113045A1 (en) * | 2023-10-02 | 2025-04-03 | Netflix, Inc. | Techniques for debanding in the intra-prediction 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 |
Family Cites Families (8)
| 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 |
| US11477448B2 (en) * | 2019-01-25 | 2022-10-18 | Hfi Innovation Inc. | Method and apparatus for non-linear adaptive loop filtering in video coding |
| US11153563B2 (en) * | 2019-03-12 | 2021-10-19 | Qualcomm Incorporated | Combined in-loop filters for video coding |
| WO2021025165A1 (en) * | 2019-08-08 | 2021-02-11 | 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 |
-
2021
- 2021-09-28 US US17/449,126 patent/US11750846B2/en active Active
- 2021-09-30 EP EP21933470.3A patent/EP4115613A4/en active Pending
- 2021-09-30 CN CN202180020926.5A patent/CN115398899B/zh active Active
- 2021-09-30 KR KR1020267007250A patent/KR20260041915A/ko active Pending
- 2021-09-30 WO PCT/US2021/052941 patent/WO2022203719A1/en not_active Ceased
- 2021-09-30 CN CN202411714391.3A patent/CN119299676A/zh active Pending
- 2021-09-30 JP JP2022563467A patent/JP7498297B2/ja active Active
- 2021-09-30 KR KR1020227039597A patent/KR102938375B1/ko active Active
-
2023
- 2023-06-02 US US18/328,480 patent/US12088853B2/en active Active
-
2024
- 2024-05-29 JP JP2024087091A patent/JP7813835B2/ja active Active
- 2024-08-02 US US18/793,325 patent/US20240397112A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022203719A1 (en) | 2022-09-29 |
| EP4115613A1 (en) | 2023-01-11 |
| KR20220166354A (ko) | 2022-12-16 |
| US11750846B2 (en) | 2023-09-05 |
| US12088853B2 (en) | 2024-09-10 |
| JP7813835B2 (ja) | 2026-02-13 |
| CN115398899B (zh) | 2024-10-29 |
| EP4115613A4 (en) | 2023-07-12 |
| JP7498297B2 (ja) | 2024-06-11 |
| CN119299676A (zh) | 2025-01-10 |
| JP2023522703A (ja) | 2023-05-31 |
| JP2024107033A (ja) | 2024-08-08 |
| US20230353792A1 (en) | 2023-11-02 |
| CN115398899A (zh) | 2022-11-25 |
| KR102938375B1 (ko) | 2026-03-16 |
| US20240397112A1 (en) | 2024-11-28 |
| US20220303584A1 (en) | 2022-09-22 |
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| 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 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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) |
|
| PA0104 | Divisional application for international application |
St.27 status event code: A-0-1-A10-A16-div-PA0104 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| Q12 | Application published |
Free format text: ST27 STATUS EVENT CODE: A-1-1-Q10-Q12-NAP-PG1501 (AS PROVIDED BY THE NATIONAL OFFICE) |