KR20250164320A - 개별 제약된 방향성 강화 필터 - Google Patents
개별 제약된 방향성 강화 필터Info
- Publication number
- KR20250164320A KR20250164320A KR1020257036882A KR20257036882A KR20250164320A KR 20250164320 A KR20250164320 A KR 20250164320A KR 1020257036882 A KR1020257036882 A KR 1020257036882A KR 20257036882 A KR20257036882 A KR 20257036882A KR 20250164320 A KR20250164320 A KR 20250164320A
- Authority
- KR
- South Korea
- Prior art keywords
- cdef
- presets
- component
- luma
- 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.)
- 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
- 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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- 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
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
-
- 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
- H04N19/70—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
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 |
|---|---|---|---|
| US202063040856P | 2020-06-18 | 2020-06-18 | |
| US63/040,856 | 2020-06-18 | ||
| US17/091,759 | 2020-11-06 | ||
| US17/091,759 US11483557B2 (en) | 2020-06-18 | 2020-11-06 | Separate constrained directional enhancement filter |
| KR1020227011709A KR102882839B1 (ko) | 2020-06-18 | 2021-02-02 | 개별 제약된 방향성 강화 필터 |
| PCT/US2021/016202 WO2021257125A1 (en) | 2020-06-18 | 2021-02-02 | Separate constrained directional enhancement filter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227011709A Division KR102882839B1 (ko) | 2020-06-18 | 2021-02-02 | 개별 제약된 방향성 강화 필터 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20250164320A true KR20250164320A (ko) | 2025-11-24 |
Family
ID=79022179
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020257036882A Pending KR20250164320A (ko) | 2020-06-18 | 2021-02-02 | 개별 제약된 방향성 강화 필터 |
| KR1020227011709A Active KR102882839B1 (ko) | 2020-06-18 | 2021-02-02 | 개별 제약된 방향성 강화 필터 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227011709A Active KR102882839B1 (ko) | 2020-06-18 | 2021-02-02 | 개별 제약된 방향성 강화 필터 |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US11483557B2 (https=) |
| EP (2) | EP4546771A3 (https=) |
| JP (3) | JP7338054B2 (https=) |
| KR (2) | KR20250164320A (https=) |
| CN (2) | CN121750860A (https=) |
| WO (1) | WO2021257125A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12348789B1 (en) * | 2021-07-22 | 2025-07-01 | Meta Platforms, Inc. | Optimization of constrained directional enhancement filtering (CDEF) |
| EP4344201A1 (en) | 2022-09-23 | 2024-03-27 | Dolby Laboratories Licensing Corporation | Cross-asset guided chroma reformatting for multi-asset imaging format |
| WO2024091094A1 (ko) * | 2022-10-28 | 2024-05-02 | 주식회사 케이티 | 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체 |
| EP4462777A1 (en) * | 2023-05-11 | 2024-11-13 | Ateme | Method for image processing and apparatus for implementing the same |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7437013B2 (en) * | 2003-12-23 | 2008-10-14 | General Instrument Corporation | Directional spatial video noise reduction |
| US7565020B2 (en) * | 2004-07-03 | 2009-07-21 | Microsoft Corp. | System and method for image coding employing a hybrid directional prediction and wavelet lifting |
| US8634463B2 (en) * | 2006-04-04 | 2014-01-21 | Qualcomm Incorporated | Apparatus and method of enhanced frame interpolation in video compression |
| US20170302965A1 (en) * | 2016-04-15 | 2017-10-19 | Google Inc. | Adaptive directional loop filter |
| PL3804314T3 (pl) * | 2018-05-29 | 2024-05-20 | Interdigital Vc Holdings, Inc. | Sposób i urządzenie do kodowania i dekodowania wideo z częściowo współdzielonymi drzewami kodowania luma i chroma |
| US10645383B2 (en) * | 2018-05-31 | 2020-05-05 | Intel Corporation | Constrained directional enhancement filter selection for video coding |
| US10687083B2 (en) * | 2018-06-06 | 2020-06-16 | Intel Corporation | Loop restoration filtering for super resolution video coding |
| US10645409B2 (en) * | 2018-06-26 | 2020-05-05 | Google Llc | Super-resolution loop restoration |
| US10674151B2 (en) * | 2018-07-30 | 2020-06-02 | Intel Corporation | Adaptive in-loop filtering for video coding |
| KR102154407B1 (ko) * | 2018-11-15 | 2020-09-09 | 한국전자기술연구원 | 타일 기반 스트리밍을 위한 모션 제한 av1 영상 부호화 방법 및 장치 |
| JP2020107948A (ja) | 2018-12-26 | 2020-07-09 | 日本電気株式会社 | 映像符号化又は復号装置、及び映像符号化又は復号方法 |
| PL3903484T3 (pl) * | 2018-12-30 | 2025-11-17 | Hfi Innovation Inc. | Urządzenie i sposób kodowania za pomocą oddzielnych drzew kodowania luminacji i chrominancji z ograniczeniami |
| CN116193132A (zh) * | 2019-01-03 | 2023-05-30 | 华为技术有限公司 | 色度块的预测方法和装置 |
| US10652535B1 (en) * | 2019-02-27 | 2020-05-12 | Google Llc | Memory-efficient filtering approach for image and video coding |
| US11303936B2 (en) * | 2020-02-21 | 2022-04-12 | Tencent America LLC | Method and apparatus for filtering |
| US11750846B2 (en) * | 2021-03-22 | 2023-09-05 | Tencent America LLC | Method and apparatus for video filtering |
-
2020
- 2020-11-06 US US17/091,759 patent/US11483557B2/en active Active
-
2021
- 2021-02-02 WO PCT/US2021/016202 patent/WO2021257125A1/en not_active Ceased
- 2021-02-02 JP JP2022523512A patent/JP7338054B2/ja active Active
- 2021-02-02 KR KR1020257036882A patent/KR20250164320A/ko active Pending
- 2021-02-02 EP EP25163339.2A patent/EP4546771A3/en active Pending
- 2021-02-02 CN CN202610168029.3A patent/CN121750860A/zh active Pending
- 2021-02-02 CN CN202180005318.7A patent/CN114731400B/zh active Active
- 2021-02-02 EP EP21826924.9A patent/EP3987783B1/en active Active
- 2021-02-02 KR KR1020227011709A patent/KR102882839B1/ko active Active
-
2022
- 2022-09-09 US US17/941,738 patent/US12225192B2/en active Active
-
2023
- 2023-08-22 JP JP2023134844A patent/JP7571228B2/ja active Active
-
2024
- 2024-10-09 JP JP2024177337A patent/JP7827803B2/ja active Active
- 2024-10-28 US US18/929,418 patent/US20250055992A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP7827803B2 (ja) | 2026-03-10 |
| EP4546771A3 (en) | 2025-07-02 |
| CN121750860A (zh) | 2026-03-27 |
| CN114731400A (zh) | 2022-07-08 |
| EP3987783B1 (en) | 2025-04-23 |
| KR102882839B1 (ko) | 2025-11-10 |
| CN114731400B (zh) | 2026-01-30 |
| US11483557B2 (en) | 2022-10-25 |
| US20230016219A1 (en) | 2023-01-19 |
| US20250055992A1 (en) | 2025-02-13 |
| US12225192B2 (en) | 2025-02-11 |
| EP3987783A4 (en) | 2022-08-24 |
| JP7571228B2 (ja) | 2024-10-22 |
| JP2023156500A (ja) | 2023-10-24 |
| US20210400266A1 (en) | 2021-12-23 |
| EP3987783A1 (en) | 2022-04-27 |
| JP7338054B2 (ja) | 2023-09-04 |
| KR20220051405A (ko) | 2022-04-26 |
| JP2022553320A (ja) | 2022-12-22 |
| EP4546771A2 (en) | 2025-04-30 |
| WO2021257125A1 (en) | 2021-12-23 |
| JP2024180483A (ja) | 2024-12-26 |
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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) |