MX2019015871A - Refinamiento de vectores de movimiento para predicción de multi-referencia. - Google Patents
Refinamiento de vectores de movimiento para predicción de multi-referencia.Info
- Publication number
- MX2019015871A MX2019015871A MX2019015871A MX2019015871A MX2019015871A MX 2019015871 A MX2019015871 A MX 2019015871A MX 2019015871 A MX2019015871 A MX 2019015871A MX 2019015871 A MX2019015871 A MX 2019015871A MX 2019015871 A MX2019015871 A MX 2019015871A
- Authority
- MX
- Mexico
- Prior art keywords
- motion vector
- vector refinement
- reference prediction
- refinement
- initial estimate
- Prior art date
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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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
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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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- 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
- H04N19/124—Quantisation
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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
- H04N19/10—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
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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
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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
- H04N19/50—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
- H04N19/533—Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
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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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
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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
- H04N19/57—Motion estimation characterised by a search window with variable size or shape
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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
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
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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
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
La presente invención se refiere al rendimiento del refinamiento de vectores de movimiento en un espacio de búsqueda para inter-predicción de multi-referencia. Se seleccionan dos o más imágenes de referencia, una de las utilizadas para el refinamiento de vectores de movimiento. Basándose en una estimación inicial de un vector de movimiento a la imagen de referencia para el refinamiento de vectores de movimiento, se construye un espacio de búsqueda en esta imagen de referencia. Al utilizar la coincidencia de plantillas, se refina el primer vector de movimiento. El segundo vector de movimiento para otra imagen de referencia se calcula utilizando su estimación inicial, la estimación inicial del primer vector de movimiento y el primer vector de movimiento refinado.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2017/066342 WO2019001741A1 (en) | 2017-06-30 | 2017-06-30 | MOTION VECTOR REFINEMENT FOR MULTI-REFERENCE PREDICTION |
| PCT/EP2018/058203 WO2019001786A1 (en) | 2017-06-30 | 2018-03-29 | MOTION VECTOR REFINEMENT FOR MULTI-REFERENCE PREDICTION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2019015871A true MX2019015871A (es) | 2020-08-06 |
Family
ID=59258246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2019015871A MX2019015871A (es) | 2017-06-30 | 2018-03-29 | Refinamiento de vectores de movimiento para predicción de multi-referencia. |
Country Status (19)
| Country | Link |
|---|---|
| US (4) | US11463726B2 (es) |
| EP (3) | EP3635956A1 (es) |
| JP (3) | JP6977068B2 (es) |
| KR (4) | KR102450443B1 (es) |
| CN (3) | CN116248898A (es) |
| AU (1) | AU2018294206B2 (es) |
| BR (1) | BR112019027261A2 (es) |
| CA (1) | CA3068332C (es) |
| CL (1) | CL2019003880A1 (es) |
| ES (1) | ES2963978T3 (es) |
| FI (1) | FI3632104T3 (es) |
| HU (1) | HUE064054T2 (es) |
| IL (1) | IL271762B2 (es) |
| MX (1) | MX2019015871A (es) |
| PL (1) | PL3632104T3 (es) |
| PT (1) | PT3632104T (es) |
| SG (1) | SG11201911978TA (es) |
| UA (1) | UA126919C2 (es) |
| WO (3) | WO2019001741A1 (es) |
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| EP3777176A4 (en) * | 2018-03-30 | 2022-08-17 | Hulu, LLC | TEMPLATE REFINED BI PREDICTION FOR VIDEO CODING |
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| TWI719519B (zh) | 2018-07-02 | 2021-02-21 | 大陸商北京字節跳動網絡技術有限公司 | 對於dmvr的塊尺寸限制 |
| WO2020084475A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Utilization of refined motion vector |
| WO2020084476A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Sub-block based prediction |
| EP3857879A4 (en) | 2018-11-12 | 2022-03-16 | Beijing Bytedance Network Technology Co., Ltd. | SIMPLIFICATION OF COMBINED INTER-INTRA PREDICTION |
| WO2020103877A1 (en) * | 2018-11-20 | 2020-05-28 | Beijing Bytedance Network Technology Co., Ltd. | Coding and decoding of video coding modes |
| KR20210091161A (ko) | 2018-11-20 | 2021-07-21 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 부분적 위치에 기반한 차분 계산 |
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| KR102635518B1 (ko) | 2019-03-06 | 2024-02-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 변환된 단예측 후보의 사용 |
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2017
- 2017-06-30 WO PCT/EP2017/066342 patent/WO2019001741A1/en active Application Filing
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2018
- 2018-03-28 WO PCT/EP2018/057893 patent/WO2019001785A1/en unknown
- 2018-03-28 EP EP18713674.2A patent/EP3635956A1/en active Pending
- 2018-03-29 PT PT187136940T patent/PT3632104T/pt unknown
- 2018-03-29 ES ES18713694T patent/ES2963978T3/es active Active
- 2018-03-29 JP JP2019571974A patent/JP6977068B2/ja active Active
- 2018-03-29 CN CN202211657738.6A patent/CN116248898A/zh active Pending
- 2018-03-29 HU HUE18713694A patent/HUE064054T2/hu unknown
- 2018-03-29 PL PL18713694.0T patent/PL3632104T3/pl unknown
- 2018-03-29 UA UAA201912286A patent/UA126919C2/uk unknown
- 2018-03-29 IL IL271762A patent/IL271762B2/en unknown
- 2018-03-29 SG SG11201911978TA patent/SG11201911978TA/en unknown
- 2018-03-29 KR KR1020217042264A patent/KR102450443B1/ko active IP Right Grant
- 2018-03-29 CN CN201880044272.8A patent/CN110809887B/zh active Active
- 2018-03-29 EP EP23199589.5A patent/EP4319154A3/en active Pending
- 2018-03-29 FI FIEP18713694.0T patent/FI3632104T3/fi active
- 2018-03-29 KR KR1020207000614A patent/KR102344430B1/ko active IP Right Grant
- 2018-03-29 CN CN202211657842.5A patent/CN116233463A/zh active Pending
- 2018-03-29 EP EP18713694.0A patent/EP3632104B1/en active Active
- 2018-03-29 MX MX2019015871A patent/MX2019015871A/es unknown
- 2018-03-29 KR KR1020237028327A patent/KR20230125348A/ko not_active Application Discontinuation
- 2018-03-29 KR KR1020227033842A patent/KR102570488B1/ko active IP Right Grant
- 2018-03-29 BR BR112019027261-5A patent/BR112019027261A2/pt unknown
- 2018-03-29 WO PCT/EP2018/058203 patent/WO2019001786A1/en unknown
- 2018-03-29 AU AU2018294206A patent/AU2018294206B2/en active Active
- 2018-03-29 CA CA3068332A patent/CA3068332C/en active Active
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2019
- 2019-12-27 US US16/728,747 patent/US11463726B2/en active Active
- 2019-12-27 CL CL2019003880A patent/CL2019003880A1/es unknown
- 2019-12-30 US US16/730,735 patent/US10856006B2/en active Active
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2021
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2023
- 2023-05-05 US US18/313,202 patent/US20230353778A1/en active Pending
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Also Published As
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| MX2019015871A (es) | Refinamiento de vectores de movimiento para predicción de multi-referencia. | |
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