MX2022007544A - Método y aparato de codificación de imágenes/video con base en tabla de predicción ponderada. - Google Patents
Método y aparato de codificación de imágenes/video con base en tabla de predicción ponderada.Info
- Publication number
- MX2022007544A MX2022007544A MX2022007544A MX2022007544A MX2022007544A MX 2022007544 A MX2022007544 A MX 2022007544A MX 2022007544 A MX2022007544 A MX 2022007544A MX 2022007544 A MX2022007544 A MX 2022007544A MX 2022007544 A MX2022007544 A MX 2022007544A
- Authority
- MX
- Mexico
- Prior art keywords
- prediction
- weighted table
- bitstream
- basis
- flag
- 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
- H04N19/10—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
- H04N19/70—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
- H04N19/132—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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Un método de decodificación de video ejecutado por un aparato de decodificación de video de acuerdo con el presente documento comprende los pasos de: analizar un indicador asociado con predicción ponderada de un flujo de bits; sobre la base del indicador, analizar una sintaxis de tabla de predicción ponderada del flujo de bits; y sobre la base de la sintaxis de tabla de predicción ponderada, ejecutar una predicción ponderada en un bloque actual en una imagen actual para reconstruir la imagen actual, en donde, sobre la base de que el valor del indicador sea 1, la sintaxis de tabla de predicción ponderada puede analizarse a partir de un encabezado de imagen del flujo de bits, y sobre la base de que el valor del indicador sea 0, la sintaxis de tabla de predicción ponderada puede analizarse a partir de un encabezado de segmento del flujo de bits.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962950962P | 2019-12-20 | 2019-12-20 | |
PCT/KR2020/018129 WO2021125700A1 (ko) | 2019-12-20 | 2020-12-11 | 예측 가중 테이블 기반 영상/비디오 코딩 방법 및 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2022007544A true MX2022007544A (es) | 2022-09-19 |
Family
ID=76477818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2022007544A MX2022007544A (es) | 2019-12-20 | 2020-12-11 | Método y aparato de codificación de imágenes/video con base en tabla de predicción ponderada. |
Country Status (10)
Country | Link |
---|---|
US (2) | US11647181B2 (es) |
EP (1) | EP4080886A4 (es) |
JP (1) | JP7457124B2 (es) |
KR (1) | KR20220097511A (es) |
CN (1) | CN115088263A (es) |
AU (1) | AU2020405890B2 (es) |
BR (1) | BR112022012155A2 (es) |
CA (1) | CA3165461A1 (es) |
MX (1) | MX2022007544A (es) |
WO (1) | WO2021125700A1 (es) |
Families Citing this family (2)
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 |
CA3167874A1 (en) * | 2020-01-13 | 2021-07-22 | Lg Electronics Inc. | Method and device for coding image/video on basis of prediction weighted table |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004007379A (ja) * | 2002-04-10 | 2004-01-08 | Toshiba Corp | 動画像符号化方法及び動画像復号化方法 |
BRPI0805802A2 (pt) * | 2007-03-30 | 2011-08-30 | Sony Corp | aparelho de processamento de informação, e, método de processamento de informação para um aparelho de processamento de informação |
US9277228B2 (en) * | 2011-07-18 | 2016-03-01 | Qualcomm Incorporated | Adaptation parameter sets for video coding |
CN103931188B (zh) * | 2012-01-16 | 2017-05-10 | 寰发股份有限公司 | 语法元素的基于上下文的自适应二进制算术编码装置及方法 |
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 |
CN114762330A (zh) * | 2019-09-22 | 2022-07-15 | 北京字节跳动网络技术有限公司 | 视频的子图片编码和解码 |
KR20220073752A (ko) * | 2019-10-12 | 2022-06-03 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 비디오 코딩 툴들을 위한 상위 레벨 신택스 |
JP2023011955A (ja) * | 2019-12-03 | 2023-01-25 | シャープ株式会社 | 動画像符号化装置、動画像復号装置 |
JP7448349B2 (ja) | 2019-12-17 | 2024-03-12 | シャープ株式会社 | 動画像復号装置 |
US11902584B2 (en) * | 2019-12-19 | 2024-02-13 | Tencent America LLC | Signaling of picture header parameters |
EP4080886A4 (en) * | 2019-12-20 | 2024-02-21 | Lg Electronics Inc | PREDICTION WEIGHTED TABLE BASED IMAGE/VIDEO CODING METHOD AND APPARATUS |
EP4029253A4 (en) * | 2019-12-30 | 2022-10-19 | Huawei Technologies Co., Ltd. | METHOD AND APPARATUS FOR WEIGHTED PREDICTION HARMONIZATION WITH NON-RECTANGULAR BLENDING MODES |
CA3167874A1 (en) * | 2020-01-13 | 2021-07-22 | Lg Electronics Inc. | Method and device for coding image/video on basis of prediction weighted table |
KR20220101719A (ko) * | 2020-01-13 | 2022-07-19 | 엘지전자 주식회사 | 영상/비디오 코딩 시스템에서 인터 예측 방법 및 장치 |
EP4091327A4 (en) * | 2020-02-19 | 2023-05-03 | ByteDance Inc. | INFERENCE OF WEIGHT VALUES FOR VIDEO COMPONENTS IN A BITSTREAM |
-
2020
- 2020-12-11 EP EP20903267.1A patent/EP4080886A4/en active Pending
- 2020-12-11 JP JP2022537735A patent/JP7457124B2/ja active Active
- 2020-12-11 CA CA3165461A patent/CA3165461A1/en active Pending
- 2020-12-11 AU AU2020405890A patent/AU2020405890B2/en active Active
- 2020-12-11 MX MX2022007544A patent/MX2022007544A/es unknown
- 2020-12-11 BR BR112022012155A patent/BR112022012155A2/pt unknown
- 2020-12-11 KR KR1020227019892A patent/KR20220097511A/ko unknown
- 2020-12-11 WO PCT/KR2020/018129 patent/WO2021125700A1/ko active Application Filing
- 2020-12-11 CN CN202080096352.5A patent/CN115088263A/zh active Pending
-
2022
- 2022-06-16 US US17/842,676 patent/US11647181B2/en active Active
-
2023
- 2023-03-13 US US18/120,637 patent/US20230217015A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US20220377319A1 (en) | 2022-11-24 |
CN115088263A (zh) | 2022-09-20 |
EP4080886A4 (en) | 2024-02-21 |
US20230217015A1 (en) | 2023-07-06 |
US11647181B2 (en) | 2023-05-09 |
JP7457124B2 (ja) | 2024-03-27 |
KR20220097511A (ko) | 2022-07-07 |
BR112022012155A2 (pt) | 2022-08-30 |
AU2020405890B2 (en) | 2024-03-07 |
JP2023507625A (ja) | 2023-02-24 |
WO2021125700A1 (ko) | 2021-06-24 |
EP4080886A1 (en) | 2022-10-26 |
CA3165461A1 (en) | 2021-06-24 |
AU2020405890A1 (en) | 2022-07-21 |
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