MX2017010564A - Método de codificación de imágenes de video, método de decodificación de imágenes de video, dispositivo de codificación y dispositivo de decodificación. - Google Patents
Método de codificación de imágenes de video, método de decodificación de imágenes de video, dispositivo de codificación y dispositivo de decodificación.Info
- Publication number
- MX2017010564A MX2017010564A MX2017010564A MX2017010564A MX2017010564A MX 2017010564 A MX2017010564 A MX 2017010564A MX 2017010564 A MX2017010564 A MX 2017010564A MX 2017010564 A MX2017010564 A MX 2017010564A MX 2017010564 A MX2017010564 A MX 2017010564A
- Authority
- MX
- Mexico
- Prior art keywords
- encoding
- decoding
- motion model
- video image
- component set
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
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
- H04N19/50—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
- H04N19/10—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
-
- 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
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
-
- 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
- H04N19/50—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Modalidades de la presente invención se refieren a un método de codificación de imágenes de video, un método de decodificación de imágenes de video, un dispositivo de codificación y un dispositivo de decodificación; el método incluye: determinar un grupo de vectores de movimiento de un bloque de codificación actual; determinar valores de predicción de un primer conjunto de componentes de un vector de inicialización de modelo de movimiento del bloque de codificación actual de acuerdo con el grupo de vectores de movimiento; determinar valores que van a ser transmitidos del primer conjunto de componentes de acuerdo con los valores de predicción del primer conjunto de componentes; y codificar los valores que-van-a-ser-transmitidos del primer conjunto de componentes, y transmitir valores que-van-a-ser-transmitidos codificados del primer conjunto de componentes a un lado del decodificador; de acuerdo con el método de codificación de imágenes de video, el método de decodificación de imágenes de video, el dispositivo de codificación y el dispositivo de decodificación en las modalidades de la presente invención, un vector de inicialización de modelo de movimiento de un bloque de codificación actual se determina de acuerdo con un grupo de vectores de movimiento; los valores que-van-a-ser-transmi tidos de un modelo de movimiento son determinados de acuerdo con el vector de inicialización de modelo de movimiento, los valores que van a ser transmitidos del modelo de movimiento son codificados para transmisión, de manera que un lado del decodificador ejecuta la decodificación de acuerdo con los valores que-van-a-ser-transmitidos del modelo de movimiento; de esta forma, se puede reducir un volumen de datos y una cantidad de bits ocupados en la codificación y decodificación de la transmisión.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510085362.XA CN104661031B (zh) | 2015-02-16 | 2015-02-16 | 用于视频图像编码和解码的方法、编码设备和解码设备 |
PCT/CN2015/086724 WO2016131229A1 (zh) | 2015-02-16 | 2015-08-12 | 用于视频图像编码和解码的方法、编码设备和解码设备 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2017010564A true MX2017010564A (es) | 2018-03-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2017010564A MX2017010564A (es) | 2015-02-16 | 2015-08-12 | Método de codificación de imágenes de video, método de decodificación de imágenes de video, dispositivo de codificación y dispositivo de decodificación. |
Country Status (10)
Country | Link |
---|---|
US (1) | US10349079B2 (es) |
EP (1) | EP3249927B1 (es) |
JP (1) | JP6481912B2 (es) |
KR (1) | KR102010510B1 (es) |
CN (2) | CN107809642B (es) |
MX (1) | MX2017010564A (es) |
MY (1) | MY185702A (es) |
RU (1) | RU2679195C1 (es) |
SG (1) | SG11201706698YA (es) |
WO (1) | WO2016131229A1 (es) |
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CN107809642B (zh) | 2015-02-16 | 2020-06-16 | 华为技术有限公司 | 用于视频图像编码和解码的方法、编码设备和解码设备 |
CN106331722B (zh) | 2015-07-03 | 2019-04-26 | 华为技术有限公司 | 图像预测方法和相关设备 |
CN108965871B (zh) | 2015-09-29 | 2023-11-10 | 华为技术有限公司 | 图像预测的方法及装置 |
CN107046645B9 (zh) * | 2016-02-06 | 2020-08-14 | 华为技术有限公司 | 图像编解码方法及装置 |
CN109565602A (zh) * | 2016-08-15 | 2019-04-02 | 诺基亚技术有限公司 | 视频编码和解码 |
US10979732B2 (en) * | 2016-10-04 | 2021-04-13 | Qualcomm Incorporated | Adaptive motion vector precision for video coding |
CN108271028A (zh) * | 2016-12-30 | 2018-07-10 | 北京优朋普乐科技有限公司 | 一种子像素全搜索方法及装置 |
RU2770185C2 (ru) | 2017-06-26 | 2022-04-14 | ИНТЕРДИДЖИТАЛ ВиСи ХОЛДИНГЗ, ИНК. | Множество кандидатов предсказателя для компенсации движения |
US11889100B2 (en) * | 2017-11-14 | 2024-01-30 | Qualcomm Incorporated | Affine motion vector prediction in video coding |
CN111919439B (zh) * | 2018-04-02 | 2022-01-14 | 华为技术有限公司 | 一种运动矢量的获取方法和装置、一种运动矢量集合的构建方法和装置及计算机可读存储介质 |
KR20200133327A (ko) * | 2018-04-12 | 2020-11-27 | 삼성전자주식회사 | 부호화 방법 및 그 장치, 복호화 방법 및 그 장치 |
CN110536135B (zh) * | 2018-05-25 | 2021-11-05 | 腾讯美国有限责任公司 | 用于视频编解码的方法和设备 |
CN110620929B (zh) | 2018-06-19 | 2023-04-18 | 北京字节跳动网络技术有限公司 | 没有运动矢量预测截断的选择的运动矢量差精度 |
WO2020010741A1 (zh) * | 2018-07-11 | 2020-01-16 | 华为技术有限公司 | 视频编码器、视频解码器及相应方法 |
EP4325859A3 (en) | 2018-09-19 | 2024-05-15 | Beijing Bytedance Network Technology Co., Ltd. | Syntax reuse for affine mode with adaptive motion vector resolution |
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WO2020114404A1 (en) * | 2018-12-03 | 2020-06-11 | Beijing Bytedance Network Technology Co., Ltd. | Pruning method in different prediction mode |
CN113412623A (zh) | 2019-01-31 | 2021-09-17 | 北京字节跳动网络技术有限公司 | 记录仿射模式自适应运动矢量分辨率的上下文 |
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CN112866699B (zh) | 2019-03-11 | 2022-11-01 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置及其设备 |
US11343525B2 (en) * | 2019-03-19 | 2022-05-24 | Tencent America LLC | Method and apparatus for video coding by constraining sub-block motion vectors and determining adjustment values based on constrained sub-block motion vectors |
CN109874029B (zh) * | 2019-04-22 | 2021-02-12 | 腾讯科技(深圳)有限公司 | 视频描述生成方法、装置、设备及存储介质 |
CN110263547B (zh) * | 2019-05-31 | 2021-07-20 | 创新先进技术有限公司 | 基于合约状态的修改次序实现动态加密的方法及装置 |
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-
2015
- 2015-02-16 CN CN201711090963.5A patent/CN107809642B/zh active Active
- 2015-02-16 CN CN201510085362.XA patent/CN104661031B/zh active Active
- 2015-08-12 WO PCT/CN2015/086724 patent/WO2016131229A1/zh active Application Filing
- 2015-08-12 KR KR1020177025899A patent/KR102010510B1/ko active IP Right Grant
- 2015-08-12 MY MYPI2017703005A patent/MY185702A/en unknown
- 2015-08-12 JP JP2017542855A patent/JP6481912B2/ja active Active
- 2015-08-12 MX MX2017010564A patent/MX2017010564A/es unknown
- 2015-08-12 SG SG11201706698YA patent/SG11201706698YA/en unknown
- 2015-08-12 EP EP15882368.2A patent/EP3249927B1/en active Active
- 2015-08-12 RU RU2017132279A patent/RU2679195C1/ru active
-
2017
- 2017-08-16 US US15/678,635 patent/US10349079B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2016131229A1 (zh) | 2016-08-25 |
EP3249927A4 (en) | 2017-12-13 |
KR102010510B1 (ko) | 2019-08-13 |
US10349079B2 (en) | 2019-07-09 |
EP3249927B1 (en) | 2020-07-29 |
JP6481912B2 (ja) | 2019-03-13 |
KR20170118161A (ko) | 2017-10-24 |
EP3249927A1 (en) | 2017-11-29 |
MY185702A (en) | 2021-05-31 |
BR112017017481A2 (pt) | 2018-05-08 |
JP2018509087A (ja) | 2018-03-29 |
CN107809642A (zh) | 2018-03-16 |
CN104661031A (zh) | 2015-05-27 |
CN107809642B (zh) | 2020-06-16 |
US20170347116A1 (en) | 2017-11-30 |
CN104661031B (zh) | 2017-12-22 |
SG11201706698YA (en) | 2017-09-28 |
RU2679195C1 (ru) | 2019-02-06 |
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