KR102848845B1 - 비디오 코딩 방법 및 장치 - Google Patents
비디오 코딩 방법 및 장치Info
- Publication number
- KR102848845B1 KR102848845B1 KR1020227005058A KR20227005058A KR102848845B1 KR 102848845 B1 KR102848845 B1 KR 102848845B1 KR 1020227005058 A KR1020227005058 A KR 1020227005058A KR 20227005058 A KR20227005058 A KR 20227005058A KR 102848845 B1 KR102848845 B1 KR 102848845B1
- Authority
- KR
- South Korea
- Prior art keywords
- current block
- ccf
- sample
- block
- 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.)
- Active
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
- H04N19/44—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
- H04N19/10—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
- H04N19/157—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
- H04N19/50—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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063079322P | 2020-09-16 | 2020-09-16 | |
| US63/079,322 | 2020-09-16 | ||
| US17/315,989 | 2021-05-10 | ||
| US17/315,989 US11595676B2 (en) | 2020-09-16 | 2021-05-10 | Method and apparatus for video coding |
| PCT/US2021/035230 WO2022060437A1 (en) | 2020-09-16 | 2021-06-01 | Method and apparatus for video coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20220038710A KR20220038710A (ko) | 2022-03-29 |
| KR102848845B1 true KR102848845B1 (ko) | 2025-08-21 |
Family
ID=80121596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227005058A Active KR102848845B1 (ko) | 2020-09-16 | 2021-06-01 | 비디오 코딩 방법 및 장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11595676B2 (https=) |
| EP (1) | EP3997671A4 (https=) |
| JP (2) | JP7480303B2 (https=) |
| KR (1) | KR102848845B1 (https=) |
| CN (1) | CN114600453B (https=) |
| WO (1) | WO2022060437A1 (https=) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11595676B2 (en) * | 2020-09-16 | 2023-02-28 | Tencent America LLC | Method and apparatus for video coding |
| US12058322B2 (en) * | 2020-11-05 | 2024-08-06 | Alibaba Group Holding Limited | Methods and apparatuses for filtering intra predicted video blocks |
| US11770524B2 (en) * | 2021-11-11 | 2023-09-26 | Realtek Semiconductor Corp. | Loop filter utilized in encoder and associated signal processing method |
| CA3247382A1 (en) * | 2022-04-05 | 2023-10-12 | Nokia Technologies Oy | METHOD, APPARATUS AND COMPUTER PRODUCT-PROGRAM FOR ENCODING AND DECODING DIGITAL MEDIA CONTENT |
| CN119072921A (zh) * | 2022-04-20 | 2024-12-03 | 抖音视界有限公司 | 用于视频处理的方法、装置和介质 |
| EP4559183A1 (en) * | 2022-07-20 | 2025-05-28 | Mediatek Inc. | Adaptive loop filter with adaptive filter strength |
| US20260089331A1 (en) * | 2022-09-16 | 2026-03-26 | Kt Corporation | Image encoding/decoding method and recording medium storing bitstream |
| EP4344201A1 (en) | 2022-09-23 | 2024-03-27 | Dolby Laboratories Licensing Corporation | Cross-asset guided chroma reformatting for multi-asset imaging format |
| EP4595434A1 (en) * | 2022-09-30 | 2025-08-06 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and devices for adaptive loop filtering and cross-component adaptive loop filter |
| WO2024151874A1 (en) * | 2023-01-11 | 2024-07-18 | Beijing Dajia Internet Information Technology Co., Ltd. | Cross-component sample adaptive offset |
| CN121079976A (zh) * | 2023-04-11 | 2025-12-05 | 抖音视界有限公司 | 在视频编解码中将边信息用于跨分量自适应环路滤波器 |
| US20250113045A1 (en) * | 2023-10-02 | 2025-04-03 | Netflix, Inc. | Techniques for debanding in the intra-prediction stage of a video coding pipeline |
| US20250142062A1 (en) * | 2023-10-27 | 2025-05-01 | Tencent America LLC | Regression model-based intra prediction |
| WO2026016979A1 (en) * | 2024-07-18 | 2026-01-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | System and method of reconstructed-block filtering |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180063527A1 (en) * | 2016-08-31 | 2018-03-01 | Qualcomm Incorporated | Cross-component filter |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013102293A1 (en) | 2012-01-04 | 2013-07-11 | Mediatek Singapore Pte. Ltd. | Improvements of luma-based chroma intra prediction |
| KR102276854B1 (ko) * | 2014-07-31 | 2021-07-13 | 삼성전자주식회사 | 인루프 필터 파라미터 예측을 사용하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치 |
| CN115134609B (zh) * | 2015-06-11 | 2025-02-21 | 杜比实验室特许公司 | 使用自适应去块滤波编码和解码图像的方法及其装置 |
| EP3403406A1 (en) | 2016-01-15 | 2018-11-21 | VID SCALE, Inc. | System and method for enhanced motion compensation using adaptive filtering |
| CN116708776A (zh) * | 2016-07-18 | 2023-09-05 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
| WO2018097700A1 (ko) * | 2016-11-28 | 2018-05-31 | 한국전자통신연구원 | 필터링을 위한 방법 및 장치 |
| CN116320497A (zh) * | 2016-11-28 | 2023-06-23 | 韩国电子通信研究院 | 用于滤波的方法和装置 |
| CN118631990A (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 |
| KR102886722B1 (ko) * | 2019-08-29 | 2025-11-13 | 엘지전자 주식회사 | 인루프 필터링 기반 영상 코딩 장치 및 방법 |
| US12047568B2 (en) * | 2019-08-29 | 2024-07-23 | Lg Electronics Inc. | Cross-component adaptive loop filtering-based image coding apparatus and method |
| EP4029264A4 (en) | 2019-10-14 | 2022-11-23 | ByteDance Inc. | Joint coding of chroma residual and filtering in video processing |
| WO2021083259A1 (en) | 2019-10-29 | 2021-05-06 | Beijing Bytedance Network Technology Co., Ltd. | Signaling of cross-component adaptive loop filter |
| US11265558B2 (en) * | 2019-11-22 | 2022-03-01 | Qualcomm Incorporated | Cross-component adaptive loop filter |
| IL294258B2 (en) * | 2019-12-23 | 2026-04-01 | Huawei Tech Co Ltd | Cross-component adaptive loop filtering and video coding |
| US11729381B2 (en) * | 2020-07-23 | 2023-08-15 | Qualcomm Incorporated | Deblocking filter parameter signaling |
| US12075034B2 (en) * | 2020-07-24 | 2024-08-27 | Qualcomm Incorporated | Multiple adaptive loop filter sets |
| US11595676B2 (en) | 2020-09-16 | 2023-02-28 | Tencent America LLC | Method and apparatus for video coding |
-
2021
- 2021-05-10 US US17/315,989 patent/US11595676B2/en active Active
- 2021-06-01 WO PCT/US2021/035230 patent/WO2022060437A1/en not_active Ceased
- 2021-06-01 KR KR1020227005058A patent/KR102848845B1/ko active Active
- 2021-06-01 EP EP21838963.3A patent/EP3997671A4/en active Pending
- 2021-06-01 CN CN202180006029.9A patent/CN114600453B/zh active Active
- 2021-06-01 JP JP2022539256A patent/JP7480303B2/ja active Active
-
2022
- 2022-12-14 US US18/065,940 patent/US12278977B2/en active Active
-
2024
- 2024-04-23 JP JP2024069826A patent/JP7727045B2/ja active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180063527A1 (en) * | 2016-08-31 | 2018-03-01 | Qualcomm Incorporated | Cross-component filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114600453B (zh) | 2026-02-10 |
| US20230110374A1 (en) | 2023-04-13 |
| US12278977B2 (en) | 2025-04-15 |
| US11595676B2 (en) | 2023-02-28 |
| EP3997671A1 (en) | 2022-05-18 |
| US20220086472A1 (en) | 2022-03-17 |
| CN114600453A (zh) | 2022-06-07 |
| JP7727045B2 (ja) | 2025-08-20 |
| JP2023508686A (ja) | 2023-03-03 |
| JP7480303B2 (ja) | 2024-05-09 |
| KR20220038710A (ko) | 2022-03-29 |
| JP2024096199A (ja) | 2024-07-12 |
| EP3997671A4 (en) | 2022-08-24 |
| WO2022060437A1 (en) | 2022-03-24 |
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Legal Events
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St.27 status event code: A-2-2-P10-P11-nap-X000 |
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| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
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| PA0105 | International application |
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| PA0201 | Request for examination |
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| PG1501 | Laying open of application |
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| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
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| R17-X000 | Change to representative recorded |
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