MX2021002747A - Metodo de decodificacion de video y decodificador de video. - Google Patents
Metodo de decodificacion de video y decodificador de video.Info
- Publication number
- MX2021002747A MX2021002747A MX2021002747A MX2021002747A MX2021002747A MX 2021002747 A MX2021002747 A MX 2021002747A MX 2021002747 A MX2021002747 A MX 2021002747A MX 2021002747 A MX2021002747 A MX 2021002747A MX 2021002747 A MX2021002747 A MX 2021002747A
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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
- H04N19/54—Motion estimation other than block-based using feature points or meshes
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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
- H04N19/70—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
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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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
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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
- H04N19/102—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
- H04N19/169—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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- 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
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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
- H04N19/90—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
La presente invención divulga un método de decodificación de video y un decodificador de video; el método incluye: analizar una corriente de bits recibida para obtener un elemento de sintaxis a-ser-decodificado-por-entropía en un bloque actual, donde el elemento de sintaxis a-ser-decodificado-por-entropía en el bloque actual incluye un elemento de sintaxis 1 o un elemento de sintaxis 2 en el bloque actual; obtener un modelo de contexto correspondiente al elemento de sintaxis a-ser-decodificado-por-ent ropía, donde un modelo de contexto correspondiente al elemento de sintaxis 1 es determinado de entre un conjunto de modelos de contexto preestablecidos, o un modelo de contexto correspondiente al elemento de sintaxis 2 es determinado de entre el conjunto de modelos de contexto; ejecutar decodificación de entropía en el elemento de sintaxis a-ser-decodificado-por-entropía con base en el modelo de contexto correspondiente al elemento de sintaxis a-ser-decodificado-por-entropía en el bloque actual; ejecutar procesamiento de predicción en el bloque actual con base en un elemento de sintaxis que está en el bloque actual y que se obtiene a través de decodificación de entropía, para obtener un bloque de predicción del bloque actual; y obtener una imagen reconstruida del bloque actual con base en el bloque de predicción del bloque actual; de acuerdo con la presente invención, menos espacio de almacenamiento puede ser ocupado por un modelo de contexto.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053068.0A CN110891180B (zh) | 2018-09-10 | 2018-09-10 | 视频解码方法及视频解码器 |
| PCT/CN2019/105024 WO2020052534A1 (zh) | 2018-09-10 | 2019-09-10 | 视频解码方法及视频解码器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021002747A true MX2021002747A (es) | 2021-05-12 |
Family
ID=69745196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021002747A MX2021002747A (es) | 2018-09-10 | 2019-09-10 | Metodo de decodificacion de video y decodificador de video. |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US11706417B2 (es) |
| EP (2) | EP3843398B1 (es) |
| JP (1) | JP7164710B2 (es) |
| KR (2) | KR102571317B1 (es) |
| CN (6) | CN112040247B (es) |
| AU (2) | AU2019337242B2 (es) |
| BR (1) | BR112021004442A2 (es) |
| CA (1) | CA3116614A1 (es) |
| ES (1) | ES2965276T3 (es) |
| HU (1) | HUE064178T2 (es) |
| MX (1) | MX2021002747A (es) |
| PL (1) | PL3843398T3 (es) |
| SG (1) | SG11202101762PA (es) |
| WO (1) | WO2020052534A1 (es) |
| ZA (1) | ZA202200892B (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG11202103601RA (en) * | 2018-10-10 | 2021-05-28 | Interdigital Vc Holdings Inc | Affine mode signaling in video encoding and decoding |
| GB2580084B (en) * | 2018-12-20 | 2022-12-28 | Canon Kk | Video coding and decoding |
| CN112135135A (zh) * | 2019-06-24 | 2020-12-25 | 腾讯美国有限责任公司 | 视频解码方法、装置、计算机设备及存储介质 |
| US11516489B2 (en) * | 2019-06-24 | 2022-11-29 | Tencent America LLC | Method and apparatus for video coding |
| CN110533165B (zh) * | 2019-08-16 | 2022-05-17 | 浪潮电子信息产业股份有限公司 | 一种图像处理方法、装置及设备 |
| WO2023197104A1 (zh) * | 2022-04-11 | 2023-10-19 | Oppo广东移动通信有限公司 | 一种编解码方法、编码器、解码器及存储介质 |
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7599435B2 (en) * | 2004-01-30 | 2009-10-06 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Video frame encoding and decoding |
| US7777654B2 (en) * | 2007-10-16 | 2010-08-17 | Industrial Technology Research Institute | System and method for context-based adaptive binary arithematic encoding and decoding |
| WO2011126277A2 (en) * | 2010-04-05 | 2011-10-13 | Samsung Electronics Co., Ltd. | Low complexity entropy-encoding/decoding method and apparatus |
| KR20110112168A (ko) * | 2010-04-05 | 2011-10-12 | 삼성전자주식회사 | 내부 비트뎁스 확장에 기반한 비디오 부호화 방법 및 그 장치, 내부 비트뎁스 확장에 기반한 비디오 복호화 방법 및 그 장치 |
| CN107277539B (zh) * | 2011-05-27 | 2020-11-06 | 寰发股份有限公司 | 减少用于上下文自适应熵解码中的行缓存的方法及装置 |
| US8995523B2 (en) | 2011-06-03 | 2015-03-31 | Qualcomm Incorporated | Memory efficient context modeling |
| CN107529706B (zh) | 2011-06-16 | 2020-11-17 | Ge视频压缩有限责任公司 | 解码器、编码器、解码和编码视频的方法及存储介质 |
| US9131239B2 (en) | 2011-06-20 | 2015-09-08 | Qualcomm Incorporated | Unified merge mode and adaptive motion vector prediction mode candidates selection |
| MX2013013483A (es) * | 2011-06-27 | 2014-02-27 | Panasonic Corp | Metodo de decodificacion de imagenes, metodo de codificacion de imagenes, aparato de decodificacion de imagenes, aparato de codificacion de imagenes y aparato de codificacion y decodificacion de imagenes. |
| US9167253B2 (en) * | 2011-06-28 | 2015-10-20 | Qualcomm Incorporated | Derivation of the position in scan order of the last significant transform coefficient in video coding |
| MY164252A (en) * | 2011-07-01 | 2017-11-30 | Samsung Electronics Co Ltd | Method and apparatus for entropy encoding using hierarchical data unit, and method and apparatus for decoding |
| JP5733590B2 (ja) * | 2011-07-15 | 2015-06-10 | モトローラ モビリティ エルエルシーＭｏｔｏｒｏｌａ Ｍｏｂｉｌｉｔｙ Ｌｌｃ | 変換係数レベルを符号化するコンテキストモデリング技法 |
| US9800870B2 (en) * | 2011-09-16 | 2017-10-24 | Qualcomm Incorporated | Line buffer reduction for short distance intra-prediction |
| US9838692B2 (en) * | 2011-10-18 | 2017-12-05 | Qualcomm Incorporated | Detecting availabilities of neighboring video units for video coding |
| US9088796B2 (en) * | 2011-11-07 | 2015-07-21 | Sharp Kabushiki Kaisha | Video decoder with enhanced CABAC decoding |
| US9237358B2 (en) | 2011-11-08 | 2016-01-12 | Qualcomm Incorporated | Context reduction for context adaptive binary arithmetic coding |
| CN102611888B (zh) * | 2011-11-18 | 2014-07-23 | 北京工业大学 | 一种对屏幕内容的编码方法 |
| US20130176390A1 (en) | 2012-01-06 | 2013-07-11 | Qualcomm Incorporated | Multi-hypothesis disparity vector construction in 3d video coding with depth |
| CN104093025B (zh) * | 2012-01-20 | 2017-09-19 | 华为技术有限公司 | 编解码方法和装置 |
| US9264706B2 (en) | 2012-04-11 | 2016-02-16 | Qualcomm Incorporated | Bypass bins for reference index coding in video coding |
| US20130272412A1 (en) * | 2012-04-12 | 2013-10-17 | Qualcomm Incorporated | Common motion information candidate list construction process |
| US9503702B2 (en) * | 2012-04-13 | 2016-11-22 | Qualcomm Incorporated | View synthesis mode for three-dimensional video coding |
| EP3174295B1 (en) | 2012-04-13 | 2018-12-12 | GE Video Compression, LLC | Low delay picture coding |
| JP6242385B2 (ja) * | 2012-05-29 | 2017-12-06 | 寰發股▲ふん▼有限公司ＨＦＩ Ｉｎｎｏｖａｔｉｏｎ Ｉｎｃ． | サンプルアダプティブオフセット情報（ＳａｍｐｌｅＡｄａｐｔｉｖｅＯｆｆｓｅｔＩｎｆｏｒｍａｔｉｏｎ）の符号化の方法と装置 |
| CN103716629B (zh) | 2012-09-29 | 2017-02-22 | 华为技术有限公司 | 用于图像处理的方法、装置、编码器和解码器 |
| US9247271B2 (en) * | 2012-10-08 | 2016-01-26 | Inria Institut National De Recherche En Informatique Et En Automatique | Method and device for motion information prediction in multi-view video coding |
| CN103024380B (zh) * | 2012-12-10 | 2016-04-13 | 浙江大学 | 一种数据的熵编码方法和装置 |
| US9369708B2 (en) * | 2013-03-27 | 2016-06-14 | Qualcomm Incorporated | Depth coding modes signaling of depth data for 3D-HEVC |
| US9516306B2 (en) | 2013-03-27 | 2016-12-06 | Qualcomm Incorporated | Depth coding modes signaling of depth data for 3D-HEVC |
| WO2015003554A1 (en) * | 2013-07-08 | 2015-01-15 | Mediatek Singapore Pte. Ltd. | Method of simplified cabac coding in 3d video coding |
| EP3090543A4 (en) | 2013-12-30 | 2017-08-02 | QUALCOMM Incorporated | Simplification of delta dc residual coding in 3d video coding |
| EP3061247A4 (en) | 2014-01-07 | 2016-08-31 | Mediatek Inc | METHOD AND APPARATUS FOR COLOR INDEX PREDICTION |
| JP2018514142A (ja) * | 2015-04-08 | 2018-05-31 | 寰發股▲ふん▼有限公司ＨＦＩ Ｉｎｎｏｖａｔｉｏｎ Ｉｎｃ． | ビデオ符号化におけるパレットモードコンテキスト符号化、および、２値化の方法 |
| EP3273692A4 (en) * | 2015-06-10 | 2018-04-04 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding or decoding image using syntax signaling for adaptive weight prediction |
| US10148977B2 (en) * | 2015-06-16 | 2018-12-04 | Futurewei Technologies, Inc. | Advanced coding techniques for high efficiency video coding (HEVC) screen content coding (SCC) extensions |
| US10142627B2 (en) * | 2015-06-18 | 2018-11-27 | Qualcomm Incorporated | Intra prediction and intra mode coding |
| WO2017041271A1 (en) * | 2015-09-10 | 2017-03-16 | Mediatek Singapore Pte. Ltd. | Efficient context modeling for coding a block of data |
| US10939104B2 (en) * | 2015-10-13 | 2021-03-02 | Samsung Electronics Co., Ltd. | Method and device for encoding or decoding image |
| US10721489B2 (en) * | 2016-09-06 | 2020-07-21 | Qualcomm Incorporated | Geometry-based priority for the construction of candidate lists |
| US10979732B2 (en) * | 2016-10-04 | 2021-04-13 | Qualcomm Incorporated | Adaptive motion vector precision for video coding |
| US10555006B2 (en) * | 2016-12-22 | 2020-02-04 | Qualcomm Incorporated | Deriving bilateral filter information based on a prediction mode in video coding |
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2018
- 2018-09-10 CN CN202010733036.6A patent/CN112040247B/zh active Active
- 2018-09-10 CN CN202311483580.XA patent/CN117651149A/zh active Pending
- 2018-09-10 CN CN202311481749.8A patent/CN117676165A/zh active Pending
- 2018-09-10 CN CN202311483548.1A patent/CN117714717A/zh active Pending
- 2018-09-10 CN CN201811053068.0A patent/CN110891180B/zh active Active
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2019
- 2019-09-10 CA CA3116614A patent/CA3116614A1/en active Pending
- 2019-09-10 WO PCT/CN2019/105024 patent/WO2020052534A1/zh active Application Filing
- 2019-09-10 CN CN201980059014.1A patent/CN112703735B/zh active Active
- 2019-09-10 EP EP19860657.6A patent/EP3843398B1/en active Active
- 2019-09-10 KR KR1020217007649A patent/KR102571317B1/ko active IP Right Grant
- 2019-09-10 HU HUE19860657A patent/HUE064178T2/hu unknown
- 2019-09-10 MX MX2021002747A patent/MX2021002747A/es unknown
- 2019-09-10 AU AU2019337242A patent/AU2019337242B2/en active Active
- 2019-09-10 SG SG11202101762PA patent/SG11202101762PA/en unknown
- 2019-09-10 EP EP23187150.0A patent/EP4283999A3/en active Pending
- 2019-09-10 JP JP2021513306A patent/JP7164710B2/ja active Active
- 2019-09-10 PL PL19860657.6T patent/PL3843398T3/pl unknown
- 2019-09-10 KR KR1020237028542A patent/KR20230128578A/ko not_active Application Discontinuation
- 2019-09-10 BR BR112021004442-6A patent/BR112021004442A2/pt unknown
- 2019-09-10 ES ES19860657T patent/ES2965276T3/es active Active
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2021
- 2021-03-09 US US17/195,798 patent/US11706417B2/en active Active
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2022
- 2022-01-19 ZA ZA2022/00892A patent/ZA202200892B/en unknown
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2023
- 2023-05-23 US US18/322,037 patent/US20230300335A1/en active Pending
- 2023-08-11 AU AU2023214364A patent/AU2023214364B2/en active Active
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