MX2023002949A - Métodos y aparato de codificación de video que usa el campo técnico de predicción de vectores de movimiento basado en el historial. - Google Patents
Métodos y aparato de codificación de video que usa el campo técnico de predicción de vectores de movimiento basado en el historial.Info
- Publication number
- MX2023002949A MX2023002949A MX2023002949A MX2023002949A MX2023002949A MX 2023002949 A MX2023002949 A MX 2023002949A MX 2023002949 A MX2023002949 A MX 2023002949A MX 2023002949 A MX2023002949 A MX 2023002949A MX 2023002949 A MX2023002949 A MX 2023002949A
- Authority
- MX
- Mexico
- Prior art keywords
- motion vector
- ctus
- history
- buffer
- decoding
- Prior art date
Links
- 239000013598 vector Substances 0.000 title abstract 7
- 230000002123 temporal effect Effects 0.000 abstract 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
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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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
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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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
-
- 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
- H04N19/50—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
-
- 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
- H04N19/96—Tree coding, e.g. quad-tree coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Un dispositivo de computación realiza un método de decodificación de datos de video al adquirir un flujo de bits de video que incluye datos asociados con múltiples imágenes codificadas, cada imagen incluye múltiples filas de unidades de árbol de codificación (CTU) y cada CTU incluye una o más unidades de codificación (CU). Un búfer de datos que almacena una pluralidad de predictores de vector de movimiento basados en el historial se usa para codificar las filas de CTU y el proceso de decodificación reestablece el búfer antes de decodificar una primera CU de una fila actual de CTU. Para una CU actual de la fila de CTU, se construye una lista de candidatos de vector de movimiento a partir de la explotación de la correlación espacial y temporal de vectores de movimiento de unidades de código cercanas, así como los predictores de vector de movimiento basados en el historial en el búfer. Por último, se selecciona un predictor de vector de movimiento, de la lista de candidatos de vector de movimiento, para decodificar la CU actual y el búfer se actualiza con base en el seleccionado.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862700106P | 2018-07-18 | 2018-07-18 | |
| PCT/US2019/041923 WO2020018486A1 (en) | 2018-07-18 | 2019-07-16 | Methods and apparatus of video coding using history-based motion vector prediction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2023002949A true MX2023002949A (es) | 2023-11-07 |
Family
ID=69164858
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2023002949A MX2023002949A (es) | 2018-07-18 | 2019-07-16 | Métodos y aparato de codificación de video que usa el campo técnico de predicción de vectores de movimiento basado en el historial. |
| MX2021000525A MX2021000525A (es) | 2018-07-18 | 2019-07-16 | Metodos y aparato de codificacion de video que usa el campo tecnico de prediccion de vectores de movimiento basado en el historial. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021000525A MX2021000525A (es) | 2018-07-18 | 2019-07-16 | Metodos y aparato de codificacion de video que usa el campo tecnico de prediccion de vectores de movimiento basado en el historial. |
Country Status (15)
| Country | Link |
|---|---|
| US (5) | US11575929B2 (es) |
| EP (4) | EP4404568A3 (es) |
| JP (4) | JP7202444B2 (es) |
| KR (3) | KR102387972B1 (es) |
| CN (5) | CN113556539B (es) |
| DK (1) | DK3808090T3 (es) |
| ES (1) | ES2995045T3 (es) |
| FI (1) | FI3808090T3 (es) |
| HU (1) | HUE068222T2 (es) |
| MX (2) | MX2023002949A (es) |
| PL (1) | PL3808090T3 (es) |
| PT (1) | PT3808090T (es) |
| RU (1) | RU2752644C1 (es) |
| WO (1) | WO2020018486A1 (es) |
| ZA (1) | ZA202100252B (es) |
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| TWI703861B (zh) * | 2018-07-06 | 2020-09-01 | 聯發科技股份有限公司 | 解碼器的視訊解碼方法及裝置 |
| US11606575B2 (en) | 2018-07-10 | 2023-03-14 | Qualcomm Incorporated | Multiple history based non-adjacent MVPs for wavefront processing of video coding |
| US10440378B1 (en) * | 2018-07-17 | 2019-10-08 | Tencent America LLC | Method and apparatus for history-based motion vector prediction with parallel processing |
| RU2752644C1 (ru) | 2018-07-18 | 2021-07-29 | Бейджинг Дацзя Интернет Информейшн Текнолоджи Ко., Лтд. | Способы и устройства кодирования видео с использованием прогнозирования вектора движения на основе истории |
| KR20230087621A (ko) | 2018-08-10 | 2023-06-16 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 비디오 처리 방법, 비디오 처리 장치, 인코더, 디코더, 매체 및 컴퓨터 프로그램 |
| CN119996669A (zh) * | 2018-09-18 | 2025-05-13 | 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 |
| CN112740693B (zh) * | 2018-09-21 | 2024-07-05 | 韩国电子通信研究院 | 图像编码/解码方法、装置和具有存储的比特流的记录介质 |
| WO2020125738A1 (en) * | 2018-12-21 | 2020-06-25 | Huawei Technologies Co., Ltd. | An encoder, a decoder and corresponding methods using history based motion vector prediction |
| US11758132B2 (en) * | 2018-12-28 | 2023-09-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder and decoder, encoding method and decoding method with complexity handling for flexibly sized picture partitions |
| KR102443965B1 (ko) * | 2019-01-01 | 2022-09-19 | 엘지전자 주식회사 | 히스토리 기반 모션 벡터 예측을 기반으로 비디오 신호를 처리하기 위한 방법 및 장치 |
| CA3127848C (en) | 2019-02-02 | 2024-06-11 | Beijing Bytedance Network Technology Co., Ltd. | Buffer management for intra block copy in video coding |
| EP3900357A4 (en) | 2019-02-02 | 2022-06-08 | Beijing Bytedance Network Technology Co., Ltd. | BUFFER INITIALIZATION FOR INTRA BLOCK COPY IN VIDEO ENCODING |
| MX2021009943A (es) | 2019-02-24 | 2021-09-21 | Beijing Bytedance Network Tech Co Ltd | Codificacion independiente de indicacion de uso del modo paleta. |
| JP7197720B2 (ja) | 2019-02-24 | 2022-12-27 | 北京字節跳動網絡技術有限公司 | パレットモードの使用の指示の独立した符号化 |
| WO2020177659A1 (en) | 2019-03-01 | 2020-09-10 | Beijing Bytedance Network Technology Co., Ltd. | Direction-based prediction for intra block copy in video coding |
| CN117395439A (zh) | 2019-03-01 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 用于视频编解码中的帧内块复制的基于方向的预测 |
| JP7284284B2 (ja) | 2019-03-04 | 2023-05-30 | 北京字節跳動網絡技術有限公司 | 映像符号化におけるイントラブロックコピーの実装形態の態様 |
| US11166015B2 (en) | 2019-03-06 | 2021-11-02 | Tencent America LLC | Method and apparatus for video coding |
| JP7288084B2 (ja) * | 2019-05-02 | 2023-06-06 | バイトダンス インコーポレイテッド | 変換スキップモードにおける信号通知 |
| CN114175645B (zh) | 2019-07-06 | 2024-04-12 | 北京字节跳动网络技术有限公司 | 用于视频编解码中的帧内块复制的虚拟预测缓冲 |
| CN117395398A (zh) | 2019-07-10 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 用于视频编解码中的帧内块复制的样点标识 |
| CN114097221B (zh) | 2019-07-11 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 用于视频编解码中的帧内块复制的比特流一致性约束 |
| JP7359936B2 (ja) | 2019-07-20 | 2023-10-11 | 北京字節跳動網絡技術有限公司 | パレットモードの使用の指示の条件依存符号化 |
| CN117221536A (zh) | 2019-07-23 | 2023-12-12 | 北京字节跳动网络技术有限公司 | 调色板模式编解码的模式确定 |
| CN114208174B (zh) | 2019-07-29 | 2023-11-28 | 北京字节跳动网络技术有限公司 | 预测过程中的调色板模式编解码 |
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| CN112055208B (zh) * | 2020-08-22 | 2024-05-07 | 浙江大华技术股份有限公司 | 视频编码方法、设备及存储装置 |
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| WO2024148113A1 (en) * | 2023-01-03 | 2024-07-11 | Bytedance Inc. | Method, apparatus, and medium for video processing |
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| US9699450B2 (en) * | 2012-10-04 | 2017-07-04 | Qualcomm Incorporated | Inter-view predicted motion vector for 3D video |
| JP5969695B2 (ja) * | 2012-10-12 | 2016-08-17 | エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュートＥｌｅｃｔｒｏｎｉｃｓ Ａｎｄ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ | 映像復号化方法 |
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| CN105992008B (zh) * | 2016-03-30 | 2019-08-30 | 南京邮电大学 | 一种在多核处理器平台上的多层次多任务并行解码方法 |
| WO2018123317A1 (ja) * | 2016-12-26 | 2018-07-05 | 日本電気株式会社 | 映像符号化方法、映像復号方法、映像符号化装置、映像復号装置及びプログラム |
| TWI703861B (zh) * | 2018-07-06 | 2020-09-01 | 聯發科技股份有限公司 | 解碼器的視訊解碼方法及裝置 |
| US11606575B2 (en) * | 2018-07-10 | 2023-03-14 | Qualcomm Incorporated | Multiple history based non-adjacent MVPs for wavefront processing of video coding |
| US10491902B1 (en) * | 2018-07-16 | 2019-11-26 | Tencent America LLC | Method and apparatus for history-based motion vector prediction |
| US10440378B1 (en) * | 2018-07-17 | 2019-10-08 | Tencent America LLC | Method and apparatus for history-based motion vector prediction with parallel processing |
| RU2752644C1 (ru) | 2018-07-18 | 2021-07-29 | Бейджинг Дацзя Интернет Информейшн Текнолоджи Ко., Лтд. | Способы и устройства кодирования видео с использованием прогнозирования вектора движения на основе истории |
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2019
- 2019-07-16 RU RU2021100662A patent/RU2752644C1/ru active
- 2019-07-16 CN CN202110773749.XA patent/CN113556539B/zh active Active
- 2019-07-16 FI FIEP19837247.6T patent/FI3808090T3/fi active
- 2019-07-16 JP JP2021504164A patent/JP7202444B2/ja active Active
- 2019-07-16 KR KR1020217024328A patent/KR102387972B1/ko active Active
- 2019-07-16 EP EP24180828.6A patent/EP4404568A3/en active Pending
- 2019-07-16 EP EP19837247.6A patent/EP3808090B1/en active Active
- 2019-07-16 KR KR1020217001358A patent/KR102286460B1/ko active Active
- 2019-07-16 MX MX2023002949A patent/MX2023002949A/es unknown
- 2019-07-16 DK DK19837247.6T patent/DK3808090T3/da active
- 2019-07-16 HU HUE19837247A patent/HUE068222T2/hu unknown
- 2019-07-16 EP EP24180836.9A patent/EP4404569A3/en active Pending
- 2019-07-16 ES ES19837247T patent/ES2995045T3/es active Active
- 2019-07-16 EP EP24180810.4A patent/EP4404567A3/en active Pending
- 2019-07-16 PT PT198372476T patent/PT3808090T/pt unknown
- 2019-07-16 MX MX2021000525A patent/MX2021000525A/es unknown
- 2019-07-16 CN CN202110360876.7A patent/CN113099243B/zh active Active
- 2019-07-16 CN CN202310292156.0A patent/CN116320504B/zh active Active
- 2019-07-16 KR KR1020227012385A patent/KR102814572B1/ko active Active
- 2019-07-16 CN CN202410491245.2A patent/CN118317107B/zh active Active
- 2019-07-16 CN CN201980047626.9A patent/CN112425172A/zh active Pending
- 2019-07-16 WO PCT/US2019/041923 patent/WO2020018486A1/en unknown
- 2019-07-16 PL PL19837247.6T patent/PL3808090T3/pl unknown
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2021
- 2021-01-13 ZA ZA2021/00252A patent/ZA202100252B/en unknown
- 2021-01-14 US US17/149,669 patent/US11575929B2/en active Active
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2022
- 2022-03-04 JP JP2022033329A patent/JP7506700B2/ja active Active
- 2022-12-05 US US18/075,309 patent/US11792422B2/en active Active
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2023
- 2023-06-29 US US18/216,129 patent/US11991386B2/en active Active
- 2023-08-09 US US18/447,246 patent/US12088838B2/en active Active
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2024
- 2024-01-25 JP JP2024009209A patent/JP7706584B2/ja active Active
- 2024-07-08 JP JP2024109357A patent/JP2024129144A/ja active Pending
- 2024-07-18 US US18/777,362 patent/US20240373057A1/en active Pending
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