MX2022013784A - Metodo de prediccion de vector de movimiento y aparato relacionado. - Google Patents
Metodo de prediccion de vector de movimiento y aparato relacionado.Info
- Publication number
- MX2022013784A MX2022013784A MX2022013784A MX2022013784A MX2022013784A MX 2022013784 A MX2022013784 A MX 2022013784A MX 2022013784 A MX2022013784 A MX 2022013784A MX 2022013784 A MX2022013784 A MX 2022013784A MX 2022013784 A MX2022013784 A MX 2022013784A
- Authority
- MX
- Mexico
- Prior art keywords
- candidate motion
- motion vector
- equal
- motion vectors
- control points
- Prior art date
Links
Classifications
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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
- 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
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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
- H04N19/537—Motion estimation other than block-based
-
- 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
- H04N19/537—Motion estimation other than block-based
- H04N19/54—Motion estimation other than block-based using feature points or meshes
-
- 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
- H04N19/169—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
- H04N19/50—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
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
- H04N19/70—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)
Abstract
Esta solicitud proporciona un método de predicción de vector de movimiento y un aparato relacionado. El método incluye: analizar un flujo de bits para obtener un valor de índice de una lista de vectores de movimiento candidatos; construir la lista de vectores de movimiento candidatos, donde la lista de vectores de movimiento candidatos incluye vectores de movimiento candidatos de K puntos de control de un bloque actual, los vectores de movimiento candidatos de los K puntos de control se obtienen con base en un modelo de transformada afín de 2N parámetros utilizado para un bloque vecino del bloque actual, N es un número entero mayor o igual a 2 y menor o igual a 4, K es un número entero mayor o igual a 2 y menor o igual a 4, y N no es igual a K; determinar, en la lista de vectores de movimiento candidatos, vectores de movimiento candidatos objetivo de los K puntos de control con base en el valor de índice; y obtener un vector de movimiento predicho de cada subbloque del bloque actual con base en los vectores de movimiento candidatos objetivo de los K puntos de control. Esta solicitud ayuda a mejorar la eficiencia de codificación en un proceso de codificación de audio y video, y satisface un requerimiento de usuario.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862693422P | 2018-07-02 | 2018-07-02 | |
| US201862699733P | 2018-07-18 | 2018-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2022013784A true MX2022013784A (es) | 2022-11-30 |
Family
ID=69060695
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021000171A MX2021000171A (es) | 2018-07-02 | 2018-11-22 | Método de predicción de vector de movimiento y aparato relacionado. |
| MX2022013782A MX2022013782A (es) | 2018-07-02 | 2021-01-06 | Metodo de prediccion de vector de movimiento y aparato relacionado. |
| MX2022013781A MX2022013781A (es) | 2018-07-02 | 2021-01-06 | Metodo de prediccion de vector de movimiento y aparato relacionado. |
| MX2022013784A MX2022013784A (es) | 2018-07-02 | 2021-01-06 | Metodo de prediccion de vector de movimiento y aparato relacionado. |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021000171A MX2021000171A (es) | 2018-07-02 | 2018-11-22 | Método de predicción de vector de movimiento y aparato relacionado. |
| MX2022013782A MX2022013782A (es) | 2018-07-02 | 2021-01-06 | Metodo de prediccion de vector de movimiento y aparato relacionado. |
| MX2022013781A MX2022013781A (es) | 2018-07-02 | 2021-01-06 | Metodo de prediccion de vector de movimiento y aparato relacionado. |
Country Status (9)
| Country | Link |
|---|---|
| US (5) | US11206408B2 (es) |
| EP (1) | EP3809704A4 (es) |
| JP (4) | JP7368396B2 (es) |
| KR (3) | KR102760361B1 (es) |
| CN (3) | CN115733974A (es) |
| BR (1) | BR112020026992A2 (es) |
| MX (4) | MX2021000171A (es) |
| SG (1) | SG11202013202YA (es) |
| WO (1) | WO2020006969A1 (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI821408B (zh) | 2018-09-23 | 2023-11-11 | 大陸商北京字節跳動網絡技術有限公司 | 塊級別的運動向量平面模式 |
| US11418793B2 (en) * | 2018-10-04 | 2022-08-16 | Qualcomm Incorporated | Adaptive affine motion vector coding |
| CN113228675B (zh) * | 2018-12-21 | 2024-08-06 | 北京字节跳动网络技术有限公司 | 视频处理中的运动矢量比特深度 |
| CN112055207B (zh) * | 2020-08-06 | 2024-05-31 | 浙江大华技术股份有限公司 | 时域运动矢量预测方法、设备及存储介质 |
| CN114374849A (zh) * | 2020-10-18 | 2022-04-19 | 腾讯科技（深圳）有限公司 | 一种候选运动信息列表确定方法、装置、电子设备及存储介质 |
| US11425368B1 (en) * | 2021-02-17 | 2022-08-23 | Adobe Inc. | Lossless image compression using block based prediction and optimized context adaptive entropy coding |
| CN114979627B (zh) * | 2021-02-24 | 2025-06-06 | 华为技术有限公司 | 视频编码中的运动矢量(mv)约束和变换约束 |
| CN119155456A (zh) * | 2023-06-14 | 2024-12-17 | 腾讯科技（深圳）有限公司 | 一种视频解码方法、一种视频编码方法及相关设备 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102344855B1 (ko) * | 2010-05-26 | 2021-12-28 | 엘지전자 주식회사 | 비디오 신호의 처리 방법 및 장치 |
| US9049455B2 (en) * | 2010-12-28 | 2015-06-02 | Panasonic Intellectual Property Corporation Of America | Image coding method of coding a current picture with prediction using one or both of a first reference picture list including a first current reference picture for a current block and a second reference picture list including a second current reference picture for the current block |
| KR101484171B1 (ko) * | 2011-01-21 | 2015-01-23 | 에스케이 텔레콤주식회사 | 예측 움직임벡터 색인부호화에 기반한 움직임정보 생성/복원 장치 및 방법, 및 그것을 이용한 영상 부호화/복호화 장치 및 방법 |
| CN102883163B (zh) * | 2012-10-08 | 2014-05-28 | 华为技术有限公司 | 用于运动矢量预测的运动矢量列表建立的方法、装置 |
| CN103402045A (zh) * | 2013-08-20 | 2013-11-20 | 长沙超创电子科技有限公司 | 一种基于分区匹配和仿射模型相结合的图像去旋稳像方法 |
| 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 |
| WO2016008157A1 (en) * | 2014-07-18 | 2016-01-21 | Mediatek Singapore Pte. Ltd. | Methods for motion compensation using high order motion model |
| CN112087629B (zh) * | 2014-09-30 | 2021-08-20 | 华为技术有限公司 | 图像预测方法、装置及计算机可读存储介质 |
| CN109005407B (zh) * | 2015-05-15 | 2023-09-01 | 华为技术有限公司 | 视频图像编码和解码的方法、编码设备和解码设备 |
| EP3334157B1 (en) | 2015-08-04 | 2020-09-02 | LG Electronics Inc. | Inter prediction method and device in video coding system |
| CN108141582B (zh) * | 2015-08-07 | 2022-06-03 | Lg 电子株式会社 | 视频编译系统中的帧间预测方法和装置 |
| CN108965869B (zh) * | 2015-08-29 | 2023-09-12 | 华为技术有限公司 | 图像预测的方法及设备 |
| CN108432250A (zh) | 2016-01-07 | 2018-08-21 | 联发科技股份有限公司 | 用于视频编解码的仿射帧间预测的方法及装置 |
| WO2017156705A1 (en) * | 2016-03-15 | 2017-09-21 | Mediatek Inc. | Affine prediction for video coding |
| US10560712B2 (en) * | 2016-05-16 | 2020-02-11 | Qualcomm Incorporated | Affine motion prediction for video coding |
| EP3449630B1 (en) | 2016-05-28 | 2024-07-10 | Mediatek Inc. | Method and apparatus of current picture referencing for video coding |
| CN106454378B (zh) * | 2016-09-07 | 2019-01-29 | 中山大学 | 一种基于变形运动模型的帧率上转换视频编码方法及系统 |
| US10778999B2 (en) * | 2016-09-30 | 2020-09-15 | Qualcomm Incorporated | Frame rate up-conversion coding mode with affine motion model |
| US10448010B2 (en) | 2016-10-05 | 2019-10-15 | Qualcomm Incorporated | Motion vector prediction for affine motion models in video coding |
| WO2018128379A1 (ko) * | 2017-01-03 | 2018-07-12 | 엘지전자(주) | 어파인 예측을 이용하여 비디오 신호를 처리하는 방법 및 장치 |
| US10701390B2 (en) * | 2017-03-14 | 2020-06-30 | Qualcomm Incorporated | Affine motion information derivation |
| US10602180B2 (en) * | 2017-06-13 | 2020-03-24 | Qualcomm Incorporated | Motion vector prediction |
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2018
- 2018-11-22 KR KR1020237040062A patent/KR102760361B1/ko active Active
- 2018-11-22 CN CN202211226203.3A patent/CN115733974A/zh active Pending
- 2018-11-22 BR BR112020026992-1A patent/BR112020026992A2/pt unknown
- 2018-11-22 EP EP18925643.1A patent/EP3809704A4/en not_active Withdrawn
- 2018-11-22 CN CN202211258218.8A patent/CN115695791A/zh active Pending
- 2018-11-22 SG SG11202013202YA patent/SG11202013202YA/en unknown
- 2018-11-22 KR KR1020257002229A patent/KR20250020698A/ko active Pending
- 2018-11-22 KR KR1020217002027A patent/KR102606146B1/ko active Active
- 2018-11-22 WO PCT/CN2018/116984 patent/WO2020006969A1/zh not_active Ceased
- 2018-11-22 MX MX2021000171A patent/MX2021000171A/es unknown
- 2018-11-22 JP JP2020573324A patent/JP7368396B2/ja active Active
- 2018-11-22 CN CN201880002952.3A patent/CN110876282B/zh active Active
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2021
- 2021-01-01 US US17/140,041 patent/US11206408B2/en active Active
- 2021-01-06 MX MX2022013782A patent/MX2022013782A/es unknown
- 2021-01-06 MX MX2022013781A patent/MX2022013781A/es unknown
- 2021-01-06 MX MX2022013784A patent/MX2022013784A/es unknown
- 2021-11-14 US US17/525,944 patent/US11683496B2/en active Active
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2023
- 2023-05-17 US US18/318,731 patent/US12108048B2/en active Active
- 2023-05-17 US US18/318,730 patent/US12120310B2/en active Active
- 2023-10-12 JP JP2023176813A patent/JP7608558B2/ja active Active
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2024
- 2024-08-16 US US18/807,369 patent/US20250056003A1/en active Pending
- 2024-12-18 JP JP2024221825A patent/JP7743595B2/ja active Active
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2025
- 2025-09-10 JP JP2025150294A patent/JP2025188076A/ja active Pending
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