MX2021009529A - Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video. - Google Patents
Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video.Info
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- MX2021009529A MX2021009529A MX2021009529A MX2021009529A MX2021009529A MX 2021009529 A MX2021009529 A MX 2021009529A MX 2021009529 A MX2021009529 A MX 2021009529A MX 2021009529 A MX2021009529 A MX 2021009529A MX 2021009529 A MX2021009529 A MX 2021009529A
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- video coding
- decoder
- motion vector
- methods
- optical flow
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- 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
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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- 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
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- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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
- H04N19/127—Prioritisation of hardware or computational resources
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- 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
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- 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
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- 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
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
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- 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
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- H—ELECTRICITY
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- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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- H—ELECTRICITY
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- 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
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
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- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Los métodos de aplicación selectiva del Flujo Óptico Bidireccional (BDOF) y el Refinamiento de Vector de Movimiento en el Decodificador (DMVR) en bloques codificados en inter-modo que se emplean en los estándares de codificación de video, tal como el diseño de la versión actual del estándar de Codificación de Video Versátil (VVC) actual, se realizan en un dispositivo de cómputo. En un método, cuando un bloque actual es elegible para ambas aplicaciones de DMVR y BDOF con base en una pluralidad de condiciones predefinidas, el dispositivo de cómputo utiliza un criterio predefinido para clasificar el bloque actual y, después, utiliza la clasificación al aplicar el BDOF o el DMVR, pero no ambos, en el bloque.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962803417P | 2019-02-08 | 2019-02-08 | |
| PCT/US2020/017382 WO2020163837A1 (en) | 2019-02-08 | 2020-02-08 | Methods and devices for selectively applying bi-directional optical flow and decoder-side motion vector refinement for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021009529A true MX2021009529A (es) | 2021-09-23 |
Family
ID=71029974
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021009529A MX2021009529A (es) | 2019-02-08 | 2020-02-08 | Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video. |
| MX2024014825A MX2024014825A (es) | 2019-02-08 | 2021-08-06 | Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video |
| MX2024014826A MX2024014826A (es) | 2019-02-08 | 2021-08-06 | Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video |
| MX2024014827A MX2024014827A (es) | 2019-02-08 | 2021-08-06 | Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2024014825A MX2024014825A (es) | 2019-02-08 | 2021-08-06 | Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video |
| MX2024014826A MX2024014826A (es) | 2019-02-08 | 2021-08-06 | Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video |
| MX2024014827A MX2024014827A (es) | 2019-02-08 | 2021-08-06 | Metodos y dispositivos para aplicar de forma selectiva el flujo optico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificacion de video |
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| EP (3) | EP3909247B1 (es) |
| JP (6) | JP7232345B2 (es) |
| KR (4) | KR20220083862A (es) |
| CN (7) | CN113965746B (es) |
| DK (1) | DK3909247T3 (es) |
| ES (1) | ES2981908T3 (es) |
| FI (1) | FI3909247T3 (es) |
| HU (1) | HUE067106T2 (es) |
| MX (4) | MX2021009529A (es) |
| PL (1) | PL3909247T3 (es) |
| PT (1) | PT3909247T (es) |
| WO (1) | WO2020163837A1 (es) |
Families Citing this family (12)
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| EP3909247B1 (en) | 2019-02-08 | 2024-04-10 | Beijing Dajia Internet Information Technology Co., Ltd. | Method and device for selectively applying decoder-side motion vector refinement for video coding |
| KR20250038842A (ko) * | 2019-02-14 | 2025-03-19 | 엘지전자 주식회사 | Dmvr 기반의 인터 예측 방법 및 장치 |
| SI3913921T1 (sl) * | 2019-02-24 | 2025-04-30 | Lg Electronics Inc. | Postopek notranjega napovedovanja na podlagi DMVR-ja in naprava |
| CN112004091B (zh) * | 2020-07-31 | 2021-08-03 | 浙江大华技术股份有限公司 | 帧间预测方法及其相关装置 |
| CN112132915B (zh) * | 2020-08-10 | 2022-04-26 | 浙江大学 | 一种基于生成对抗机制的多样化动态延时视频生成方法 |
| CN112055222B (zh) * | 2020-08-21 | 2024-05-07 | 浙江大华技术股份有限公司 | 视频编解码方法、电子设备及计算机可读存储介质 |
| CN112218075B (zh) * | 2020-10-17 | 2022-10-28 | 浙江大华技术股份有限公司 | 候选列表的填充方法、电子设备、计算机可读存储介质 |
| US11917165B2 (en) | 2021-08-16 | 2024-02-27 | Tencent America LLC | MMVD signaling improvement |
| WO2023044247A1 (en) * | 2021-09-16 | 2023-03-23 | Qualcomm Incorporated | Multiple inter predictors with decoder side motion vector derivation for video coding |
| US12132885B2 (en) | 2021-09-16 | 2024-10-29 | Qualcomm Incorporated | Multiple inter predictors with decoder side motion vector derivation for video coding |
| EP4462774A1 (en) * | 2022-01-09 | 2024-11-13 | LG Electronics Inc. | Image encoding/decoding method and device, and recording medium having bitstream stored thereon |
| WO2024117694A1 (ko) * | 2022-12-01 | 2024-06-06 | 현대자동차주식회사 | 템플릿 매칭 기반 인터 예측을 이용하는 비디오 코딩을 위한 방법 및 장치 |
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| WO2011129672A2 (ko) * | 2010-04-16 | 2011-10-20 | 에스케이텔레콤 주식회사 | 영상 부호화/복호화 장치 및 방법 |
| GB2512829B (en) * | 2013-04-05 | 2015-05-27 | Canon Kk | Method and apparatus for encoding or decoding an image with inter layer motion information prediction according to motion information compression scheme |
| CN103561263B (zh) * | 2013-11-06 | 2016-08-24 | 北京牡丹电子集团有限责任公司数字电视技术中心 | 基于运动矢量约束和加权运动矢量的运动补偿预测方法 |
| US10999595B2 (en) * | 2015-11-20 | 2021-05-04 | Mediatek Inc. | Method and apparatus of motion vector prediction or merge candidate derivation for video coding |
| EP4072141A1 (en) * | 2016-03-24 | 2022-10-12 | Intellectual Discovery Co., Ltd. | Method and apparatus for encoding/decoding video signal |
| WO2017205703A1 (en) * | 2016-05-25 | 2017-11-30 | Arris Enterprises Llc | Improved weighted angular prediction coding for intra coding |
| US11638027B2 (en) * | 2016-08-08 | 2023-04-25 | Hfi Innovation, Inc. | Pattern-based motion vector derivation for video coding |
| 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 |
| US10750203B2 (en) * | 2016-12-22 | 2020-08-18 | Mediatek Inc. | Method and apparatus of adaptive bi-prediction for video coding |
| BR112019012582A8 (pt) * | 2016-12-22 | 2023-02-07 | Mediatek Inc | Método e aparelho de refinamento de movimento para codificação de vídeo |
| JP2018107580A (ja) | 2016-12-26 | 2018-07-05 | 富士通株式会社 | 動画像符号化装置、動画像符号化方法、動画像符号化用コンピュータプログラム、動画像復号装置及び動画像復号方法ならびに動画像復号用コンピュータプログラム |
| US20180199057A1 (en) * | 2017-01-12 | 2018-07-12 | Mediatek Inc. | Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding |
| US10523964B2 (en) * | 2017-03-13 | 2019-12-31 | Qualcomm Incorporated | Inter prediction refinement based on bi-directional optical flow (BIO) |
| US10595035B2 (en) * | 2017-03-22 | 2020-03-17 | Qualcomm Incorporated | Constraining motion vector information derived by decoder-side motion vector derivation |
| US10477237B2 (en) * | 2017-06-28 | 2019-11-12 | Futurewei Technologies, Inc. | Decoder side motion vector refinement in video coding |
| CA3151032A1 (en) * | 2017-06-30 | 2019-01-03 | Huawei Technologies Co., Ltd. | Motion vector determination for video frame block inter-prediction |
| US11750832B2 (en) * | 2017-11-02 | 2023-09-05 | Hfi Innovation Inc. | Method and apparatus for video coding |
| JP7311589B2 (ja) * | 2018-09-21 | 2023-07-19 | ヴィド スケール インコーポレイテッド | 双方向オプティカルフローのための複雑性低減およびビット幅制御 |
| US11146810B2 (en) * | 2018-11-27 | 2021-10-12 | Qualcomm Incorporated | Decoder-side motion vector refinement |
| CN118354070A (zh) | 2018-12-28 | 2024-07-16 | 索尼集团公司 | 图像解码装置和图像解码方法 |
| WO2020141993A1 (en) | 2019-01-02 | 2020-07-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Side motion refinement in video encoding/decoding systems |
| US11153590B2 (en) * | 2019-01-11 | 2021-10-19 | Tencent America LLC | Method and apparatus for video coding |
| EP3909247B1 (en) * | 2019-02-08 | 2024-04-10 | Beijing Dajia Internet Information Technology Co., Ltd. | Method and device for selectively applying decoder-side motion vector refinement for video coding |
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2021
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