BR112023004483A2 - Processo de filtragem para codificação de vídeo - Google Patents
Processo de filtragem para codificação de vídeoInfo
- Publication number
- BR112023004483A2 BR112023004483A2 BR112023004483A BR112023004483A BR112023004483A2 BR 112023004483 A2 BR112023004483 A2 BR 112023004483A2 BR 112023004483 A BR112023004483 A BR 112023004483A BR 112023004483 A BR112023004483 A BR 112023004483A BR 112023004483 A2 BR112023004483 A2 BR 112023004483A2
- Authority
- BR
- Brazil
- Prior art keywords
- block
- decoded
- video data
- processors
- filtered
- Prior art date
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
- H04N19/169—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
- H04N19/102—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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Linguistics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Data Mining & Analysis (AREA)
- Evolutionary Computation (AREA)
- Artificial Intelligence (AREA)
- Molecular Biology (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- Health & Medical Sciences (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063085094P | 2020-09-29 | 2020-09-29 | |
| US17/448,547 US11743459B2 (en) | 2020-09-29 | 2021-09-23 | Filtering process for video coding |
| PCT/US2021/051979 WO2022072239A1 (en) | 2020-09-29 | 2021-09-24 | Filtering process for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023004483A2 true BR112023004483A2 (pt) | 2023-04-04 |
Family
ID=80821963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023004483A BR112023004483A2 (pt) | 2020-09-29 | 2021-09-24 | Processo de filtragem para codificação de vídeo |
Country Status (9)
| Country | Link |
|---|---|
| US (3) | US11743459B2 (https=) |
| EP (1) | EP4222953A1 (https=) |
| JP (1) | JP2023542840A (https=) |
| KR (1) | KR20230078653A (https=) |
| CN (1) | CN116235494B (https=) |
| BR (1) | BR112023004483A2 (https=) |
| PH (1) | PH12023550132A1 (https=) |
| TW (1) | TWI908892B (https=) |
| WO (1) | WO2022072239A1 (https=) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11743459B2 (en) * | 2020-09-29 | 2023-08-29 | Qualcomm Incorporated | Filtering process for video coding |
| US11792438B2 (en) | 2020-10-02 | 2023-10-17 | Lemon Inc. | Using neural network filtering in video coding |
| US12022098B2 (en) * | 2021-03-04 | 2024-06-25 | Lemon Inc. | Neural network-based in-loop filter with residual scaling for video coding |
| JP2025500284A (ja) * | 2022-01-10 | 2025-01-09 | 現代自動車株式会社 | インター予測におけるデコーダ側の動きベクトルリストの修正の方法及び装置 |
| EP4512076A4 (en) * | 2022-04-20 | 2026-03-25 | Beijing Bytedance Network Tech Co Ltd | METHOD, APPARATUS AND MEDIA FOR VIDEO PROCESSING |
| CN119213776A (zh) * | 2022-05-24 | 2024-12-27 | Oppo广东移动通信有限公司 | 一种环路滤波方法、视频编解码方法、装置和系统 |
| WO2023231008A1 (zh) * | 2022-06-02 | 2023-12-07 | Oppo广东移动通信有限公司 | 编解码方法、编码器、解码器以及存储介质 |
| WO2023240618A1 (zh) * | 2022-06-17 | 2023-12-21 | Oppo广东移动通信有限公司 | 一种滤波方法、解码器、编码器及计算机可读存储介质 |
| US12598314B2 (en) | 2022-07-05 | 2026-04-07 | Qualcomm Incorporated | Neural network based filtering process for multiple color components in video coding |
| WO2024025280A1 (en) * | 2022-07-27 | 2024-02-01 | Samsung Electronics Co., Ltd. | Method and system for content-based scaling for artificial intelligence based in-loop filters |
| CN120077656A (zh) * | 2022-10-13 | 2025-05-30 | Oppo广东移动通信有限公司 | 基于神经网络的环路滤波、视频编解码方法、装置和系统 |
| WO2024078599A1 (en) * | 2022-10-13 | 2024-04-18 | Douyin Vision Co., Ltd. | Method, apparatus, and medium for video processing |
| WO2024151655A1 (en) * | 2023-01-10 | 2024-07-18 | Bytedance Inc. | Indications of usage suitability of a bitstream or a post-processing filter and removal of sei messages |
| US20240283925A1 (en) * | 2023-02-17 | 2024-08-22 | Qualcomm Incorporated | Methods for complexity reduction of neural network based video coding tools |
| US12615384B2 (en) * | 2023-04-14 | 2026-04-28 | Tencent America LLC | Explicit signaling for block based adaptive weighting factors |
| WO2025002821A1 (en) * | 2023-06-29 | 2025-01-02 | Interdigital Ce Patent Holdings, Sas | Loop filter training improvement |
| US20250008138A1 (en) * | 2023-06-30 | 2025-01-02 | Tencent America LLC | Block level adaptive weighted prediction |
| WO2025011521A1 (en) * | 2023-07-07 | 2025-01-16 | Douyin Vision Co., Ltd. | Neural-network post-filter on value ranges and coding methods of syntax elements |
| US20250106384A1 (en) * | 2023-09-27 | 2025-03-27 | Lg Electronics Inc. | Method and apparatus for handling intermediary pictures output in a neural-network post-filter group in sei message for coded bitstream |
| WO2025071301A1 (en) * | 2023-09-27 | 2025-04-03 | Lg Electronics Inc. | Method and apparatus for signaling purpose for neural-network post-filter grouping characteristic sei message for coded bitstream |
| WO2025065421A1 (zh) * | 2023-09-27 | 2025-04-03 | Oppo广东移动通信有限公司 | 编解码方法、编码器、解码器以及存储介质 |
| WO2025149364A1 (en) * | 2024-01-09 | 2025-07-17 | Interdigital Ce Patent Holdings, Sas | Neural network based loop filter multiscale improvement |
| WO2025156084A1 (zh) * | 2024-01-22 | 2025-07-31 | Oppo广东移动通信有限公司 | 编解码方法、编解码器、码流以及存储介质 |
| TW202545184A (zh) | 2024-04-15 | 2025-11-16 | 美商高通公司 | 用於視訊寫碼的適應性迴路濾波器（ａｌｆ）及／或交叉分量ａｌｆ |
| EP4661393A1 (en) * | 2024-06-05 | 2025-12-10 | InterDigital CE Patent Holdings, SAS | Classification-based post-filter rescaling |
| US20250392710A1 (en) | 2024-06-20 | 2025-12-25 | Qualcomm Incorporated | Temporal scalability for adaptive loop filter scaling factors for video coding |
| WO2026015303A1 (en) | 2024-07-08 | 2026-01-15 | Qualcomm Incorporated | Adaptive loop filter joint optimization in video coding |
| WO2026080199A1 (en) | 2024-10-11 | 2026-04-16 | Qualcomm Incorporated | Adaptive loop filter joint optimization for video coding |
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| US7446820B2 (en) * | 2005-03-30 | 2008-11-04 | Intel Corporation | Methods and apparatus for re-scaling image by variable re-scaling factor using B-spline interpolator |
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| US8446964B2 (en) * | 2005-07-18 | 2013-05-21 | Broadcom Corporation | Method and system for noise reduction with a motion compensated temporal filter |
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| MX2021000173A (es) * | 2018-07-02 | 2021-05-27 | Huawei Tech Co Ltd | Aparato y metodo para filtrar en codificacion de video. |
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| US11284075B2 (en) | 2018-09-12 | 2022-03-22 | Qualcomm Incorporated | Prediction of adaptive loop filter parameters with reduced memory consumption for video coding |
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| KR102154407B1 (ko) * | 2018-11-15 | 2020-09-09 | 한국전자기술연구원 | 타일 기반 스트리밍을 위한 모션 제한 av1 영상 부호화 방법 및 장치 |
| US11044473B2 (en) | 2018-12-21 | 2021-06-22 | Qualcomm Incorporated | Adaptive loop filtering classification in video coding |
| US10999606B2 (en) * | 2019-01-08 | 2021-05-04 | Intel Corporation | Method and system of neural network loop filtering for video coding |
| WO2021026322A1 (en) * | 2019-08-06 | 2021-02-11 | Op Solutions | Block-based adaptive resolution management |
| US11743459B2 (en) * | 2020-09-29 | 2023-08-29 | Qualcomm Incorporated | Filtering process for video coding |
-
2021
- 2021-09-23 US US17/448,547 patent/US11743459B2/en active Active
- 2021-09-24 CN CN202180063665.5A patent/CN116235494B/zh active Active
- 2021-09-24 JP JP2023515165A patent/JP2023542840A/ja active Pending
- 2021-09-24 TW TW110135680A patent/TWI908892B/zh active
- 2021-09-24 KR KR1020237009615A patent/KR20230078653A/ko active Pending
- 2021-09-24 PH PH1/2023/550132A patent/PH12023550132A1/en unknown
- 2021-09-24 WO PCT/US2021/051979 patent/WO2022072239A1/en not_active Ceased
- 2021-09-24 EP EP21791568.5A patent/EP4222953A1/en active Pending
- 2021-09-24 BR BR112023004483A patent/BR112023004483A2/pt unknown
-
2023
- 2023-05-11 US US18/316,150 patent/US12341959B2/en active Active
-
2025
- 2025-05-21 US US19/215,120 patent/US20250286996A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TW202213996A (zh) | 2022-04-01 |
| CN116235494B (zh) | 2026-03-31 |
| EP4222953A1 (en) | 2023-08-09 |
| CN116235494A (zh) | 2023-06-06 |
| WO2022072239A1 (en) | 2022-04-07 |
| US20220103816A1 (en) | 2022-03-31 |
| US20250286996A1 (en) | 2025-09-11 |
| TWI908892B (zh) | 2025-12-21 |
| JP2023542840A (ja) | 2023-10-12 |
| US12341959B2 (en) | 2025-06-24 |
| US11743459B2 (en) | 2023-08-29 |
| KR20230078653A (ko) | 2023-06-02 |
| US20230283772A1 (en) | 2023-09-07 |
| PH12023550132A1 (en) | 2024-06-24 |
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