MX2022008460A - Metodo y dispositivo para codificar imagenes/video con base en tabla ponderada de prediccion. - Google Patents
Metodo y dispositivo para codificar imagenes/video con base en tabla ponderada de prediccion.Info
- Publication number
- MX2022008460A MX2022008460A MX2022008460A MX2022008460A MX2022008460A MX 2022008460 A MX2022008460 A MX 2022008460A MX 2022008460 A MX2022008460 A MX 2022008460A MX 2022008460 A MX2022008460 A MX 2022008460A MX 2022008460 A MX2022008460 A MX 2022008460A
- Authority
- MX
- Mexico
- Prior art keywords
- prediction
- basis
- flag
- video
- picture
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
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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
-
- 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
-
- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
-
- 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
-
- 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
- H04N19/169—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
- H04N19/50—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
Abstract
Un método mediante el cual un dispositivo de decodificación de video decodifica un video, de acuerdo con el presente documento, puede comprender los pasos de: analizar, a partir de un conjunto de parámetros de imagen de un flujo de bits, un primer indicador relacionado con si se aplica una predicción ponderada a segmentos que se refieran al conjunto de parámetros de imagen; analizar, a partir del conjunto de parámetros de imagen, un segundo indicador relacionado con si la información sobre la predicción ponderada está presente en un encabezado de imagen del flujo de bits o está presente en un encabezado de segmento del flujo de bits sobre la base del primer indicador; analizar una sintaxis de tabla ponderada de predicción a partir del encabezado de imagen o del encabezado de segmento con base en el primer indicador y el segundo indicador; generar muestras de predicción para el bloque actual al llevar a cabo predicción ponderada para el bloque actual en una imagen actual sobre la base de elementos de sintaxis en la sintaxis de tabla ponderada de predicción; y generar muestras reconstruidas sobre la base de las muestras de predicción.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202062960682P | 2020-01-13 | 2020-01-13 | |
PCT/KR2021/000466 WO2021145668A1 (ko) | 2020-01-13 | 2021-01-13 | 예측 가중 테이블 기반 영상/비디오 코딩 방법 및 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2022008460A true MX2022008460A (es) | 2022-10-18 |
Family
ID=76864532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2022008460A MX2022008460A (es) | 2020-01-13 | 2021-01-13 | Metodo y dispositivo para codificar imagenes/video con base en tabla ponderada de prediccion. |
Country Status (10)
Country | Link |
---|---|
US (2) | US11895314B2 (es) |
EP (1) | EP4093029A4 (es) |
JP (1) | JP2023509525A (es) |
KR (1) | KR20220100716A (es) |
CN (1) | CN115244938A (es) |
AU (1) | AU2021207558A1 (es) |
BR (1) | BR112022013844A2 (es) |
CA (1) | CA3167874A1 (es) |
MX (1) | MX2022008460A (es) |
WO (1) | WO2021145668A1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4080886A4 (en) * | 2019-12-20 | 2024-02-21 | Lg Electronics Inc | PREDICTION WEIGHTED TABLE BASED IMAGE/VIDEO CODING METHOD AND APPARATUS |
JP7475908B2 (ja) | 2020-03-17 | 2024-04-30 | シャープ株式会社 | 予測画像生成装置、動画像復号装置及び動画像符号化装置 |
US11470358B2 (en) * | 2020-04-02 | 2022-10-11 | Sharp Kabushiki Kaisha | Systems and methods for signaling scaling window information in video coding |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2663341C2 (ru) * | 2012-11-30 | 2018-08-03 | Сони Корпорейшн | Устройство обработки изображений и способ |
CA2942903A1 (en) * | 2014-03-16 | 2015-09-24 | Vid Scale, Inc. | Method and apparatus for the signaling of lossless video coding |
KR20180008445A (ko) * | 2015-06-10 | 2018-01-24 | 삼성전자주식회사 | 적응적 가중치 예측을 위한 신택스 시그널링을 이용하여 영상을 부호화 또는 복호화하는 방법 및 장치 |
KR20190114765A (ko) * | 2018-03-30 | 2019-10-10 | 경희대학교 산학협력단 | 영상 부호화/복호화 방법 및 장치 |
CN112740704B (zh) * | 2018-09-21 | 2024-04-16 | 夏普株式会社 | 图像解码装置以及图像编码装置 |
EP3941061A4 (en) * | 2019-03-15 | 2022-05-04 | Lg Electronics Inc. | BDOF-BASED INTERPREDITION METHOD AND DEVICE |
US11184607B2 (en) * | 2019-06-13 | 2021-11-23 | Qualcomm Incorporated | Same picture order count (POC) numbering for scalability support |
KR20220098005A (ko) * | 2019-12-20 | 2022-07-08 | 엘지전자 주식회사 | 가중된 예측에 기반한 영상/비디오 코딩 방법 및 장치 |
EP4080886A4 (en) * | 2019-12-20 | 2024-02-21 | Lg Electronics Inc | PREDICTION WEIGHTED TABLE BASED IMAGE/VIDEO CODING METHOD AND APPARATUS |
JP2023510858A (ja) * | 2020-01-12 | 2023-03-15 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 重み付き予測を非矩形マージモードと調和させる方法および装置 |
KR20220101719A (ko) * | 2020-01-13 | 2022-07-19 | 엘지전자 주식회사 | 영상/비디오 코딩 시스템에서 인터 예측 방법 및 장치 |
-
2021
- 2021-01-13 CA CA3167874A patent/CA3167874A1/en active Pending
- 2021-01-13 EP EP21740858.2A patent/EP4093029A4/en not_active Withdrawn
- 2021-01-13 JP JP2022542019A patent/JP2023509525A/ja active Pending
- 2021-01-13 WO PCT/KR2021/000466 patent/WO2021145668A1/ko unknown
- 2021-01-13 MX MX2022008460A patent/MX2022008460A/es unknown
- 2021-01-13 BR BR112022013844A patent/BR112022013844A2/pt unknown
- 2021-01-13 CN CN202180019946.0A patent/CN115244938A/zh active Pending
- 2021-01-13 AU AU2021207558A patent/AU2021207558A1/en active Pending
- 2021-01-13 KR KR1020227021608A patent/KR20220100716A/ko unknown
-
2022
- 2022-07-05 US US17/857,285 patent/US11895314B2/en active Active
-
2023
- 2023-12-20 US US18/391,365 patent/US20240129510A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP4093029A1 (en) | 2022-11-23 |
US20240129510A1 (en) | 2024-04-18 |
EP4093029A4 (en) | 2023-12-27 |
US20220353523A1 (en) | 2022-11-03 |
KR20220100716A (ko) | 2022-07-15 |
CA3167874A1 (en) | 2021-07-22 |
JP2023509525A (ja) | 2023-03-08 |
CN115244938A (zh) | 2022-10-25 |
WO2021145668A1 (ko) | 2021-07-22 |
BR112022013844A2 (pt) | 2022-09-13 |
AU2021207558A1 (en) | 2022-09-08 |
US11895314B2 (en) | 2024-02-06 |
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