MX2021014221A - Se?alizacion de derivacion de diferencia de vector de movimiento. - Google Patents
Se?alizacion de derivacion de diferencia de vector de movimiento.Info
- Publication number
- MX2021014221A MX2021014221A MX2021014221A MX2021014221A MX2021014221A MX 2021014221 A MX2021014221 A MX 2021014221A MX 2021014221 A MX2021014221 A MX 2021014221A MX 2021014221 A MX2021014221 A MX 2021014221A MX 2021014221 A MX2021014221 A MX 2021014221A
- Authority
- MX
- Mexico
- Prior art keywords
- motion vector
- vector difference
- flag
- video decoder
- signaling
- Prior art date
Links
Classifications
-
- 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
- H04N19/50—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
- H04N19/169—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
- H04N19/50—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
- H04N19/70—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Un decodificador de video recibe datos para que un bloque de pixeles sea decodificado como un bloque actual de una imagen actual de un video; cuando el bloque actual es codificado utilizando inter-modo y predicción bi-direccional, el decodificador de video recibe una primera diferencia de vector de movimiento y determina una segunda diferencia de vector de movimiento con base en un primer indicador o un segundo indicador; cuando el primer indicador es falso, el decodificador de video utiliza el segundo indicador para determinar si se establece la segunda diferencia de vector de movimiento a un valor opuesto al de la primera diferencia de vector de movimiento. Cuando el primer indicador es verdadero, el decodificador de video establece la segunda diferencia de vector de movimiento a cero; el decodificador de video reconstruye el bloque actual utilizando información de movimiento con base en la primera diferencia de vector de movimiento y la segunda diferencia de vector de movimiento para ejecutar inter predicción.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962851140P | 2019-05-22 | 2019-05-22 | |
US16/880,344 US11109064B2 (en) | 2019-05-22 | 2020-05-21 | Signaling of motion vector difference derivation |
PCT/CN2020/091790 WO2020233702A1 (en) | 2019-05-22 | 2020-05-22 | Signaling of motion vector difference derivation |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2021014221A true MX2021014221A (es) | 2022-07-15 |
Family
ID=73456421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021014221A MX2021014221A (es) | 2019-05-22 | 2020-05-22 | Se?alizacion de derivacion de diferencia de vector de movimiento. |
Country Status (6)
Country | Link |
---|---|
US (1) | US11109064B2 (es) |
EP (1) | EP3970375A4 (es) |
CN (1) | CN113853795A (es) |
MX (1) | MX2021014221A (es) |
TW (2) | TWI743801B (es) |
WO (1) | WO2020233702A1 (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020156517A1 (en) * | 2019-01-31 | 2020-08-06 | Beijing Bytedance Network Technology Co., Ltd. | Fast algorithms for symmetric motion vector difference coding mode |
JP7469335B2 (ja) * | 2019-06-13 | 2024-04-16 | エルジー エレクトロニクス インコーポレイティド | 動きベクトル予測基盤映像/ビデオコーディング方法及び装置 |
CN114080813A (zh) * | 2019-06-14 | 2022-02-22 | Lg 电子株式会社 | 使用运动矢量的图像编译的方法和装置 |
MX2021015530A (es) * | 2019-06-14 | 2022-02-10 | Lg Electronics Inc | Metodo y dispositivo de codificacion de imagenes a base de inter prediccion. |
US20200402546A1 (en) * | 2019-06-24 | 2020-12-24 | Seagate Technology Llc | Reducing base deck porosity |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1306821C (zh) * | 2004-07-30 | 2007-03-21 | 联合信源数字音视频技术(北京)有限公司 | 一种视频图像中运动矢量预测生成的方法及其装置 |
US9420285B2 (en) * | 2012-04-12 | 2016-08-16 | Qualcomm Incorporated | Inter-layer mode derivation for prediction in scalable video coding |
US10021414B2 (en) | 2013-01-04 | 2018-07-10 | Qualcomm Incorporated | Bitstream constraints and motion vector restriction for inter-view or inter-layer reference pictures |
US9609347B2 (en) * | 2013-04-04 | 2017-03-28 | Qualcomm Incorporated | Advanced merge mode for three-dimensional (3D) video coding |
CN105453564B (zh) * | 2013-07-30 | 2019-05-10 | 株式会社Kt | 支持多个层的图像编码和解码方法以及使用该方法的装置 |
KR102521870B1 (ko) * | 2014-01-02 | 2023-04-13 | 브이아이디 스케일, 인크. | 혼합된 인터레이스 및 프로그레시브 콘텐트에 의한 스케일러블 비디오 코딩을 위한 방법들, 및 시스템들 |
US20170244964A1 (en) * | 2016-02-23 | 2017-08-24 | Mediatek Inc. | Method and Apparatus of Flexible Block Partition for Video Coding |
US20190007699A1 (en) | 2017-06-28 | 2019-01-03 | Futurewei Technologies, Inc. | Decoder Side Motion Vector Derivation in Video Coding |
-
2020
- 2020-05-21 US US16/880,344 patent/US11109064B2/en active Active
- 2020-05-22 TW TW109117090A patent/TWI743801B/zh active
- 2020-05-22 MX MX2021014221A patent/MX2021014221A/es unknown
- 2020-05-22 TW TW110133492A patent/TWI752897B/zh active
- 2020-05-22 CN CN202080035947.XA patent/CN113853795A/zh active Pending
- 2020-05-22 WO PCT/CN2020/091790 patent/WO2020233702A1/en unknown
- 2020-05-22 EP EP20810475.2A patent/EP3970375A4/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3970375A1 (en) | 2022-03-23 |
WO2020233702A1 (en) | 2020-11-26 |
US20200374551A1 (en) | 2020-11-26 |
US11109064B2 (en) | 2021-08-31 |
CN113853795A (zh) | 2021-12-28 |
TWI743801B (zh) | 2021-10-21 |
EP3970375A4 (en) | 2023-05-24 |
TW202201964A (zh) | 2022-01-01 |
TWI752897B (zh) | 2022-01-11 |
TW202101991A (zh) | 2021-01-01 |
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