MX2021013320A - Método y aparato de intrapredicción para secuencia de video. - Google Patents
Método y aparato de intrapredicción para secuencia de video.Info
- Publication number
- MX2021013320A MX2021013320A MX2021013320A MX2021013320A MX2021013320A MX 2021013320 A MX2021013320 A MX 2021013320A MX 2021013320 A MX2021013320 A MX 2021013320A MX 2021013320 A MX2021013320 A MX 2021013320A MX 2021013320 A MX2021013320 A MX 2021013320A
- Authority
- MX
- Mexico
- Prior art keywords
- chroma coding
- coding unit
- intra
- frame prediction
- video sequence
- 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
- H04N19/169—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
- H04N19/10—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
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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
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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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
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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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
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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
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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
- H04N19/186—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 a colour or a chrominance component
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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
- H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
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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
- H04N19/96—Tree coding, e.g. quad-tree coding
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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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Modalidades de esta solicitud divulgan un método de intra predicción para una secuencia de video; el método incluye: obtener un tamaño y un modo de división de un nodo de árbol de codificación de crominancia; determinar, con base en el tamaño y el modo de división del nodo de árbol de codificación de crominancia, si se permite que intra predicción de modelo lineal de componente cruzado (CCLM) sea ejecutada en una unidad de codificación de crominancia incluida en el nodo de árbol de codificación de crominancia; determinar un modo de predicción de la unidad de codificación de crominancia dependiendo de si se permite que CCLM sea ejecutado en la unidad de codificación de crominancia; y procesar la unidad de codificación de crominancia con base en el modo de predicción de la unidad de codificación de crominancia para obtener muestras de predicción de la unidad de codificación de crominancia; las modalidades de esta solicitud además divulgan un aparato de intra predicción y un decodificador; las modalidades de esta solicitud ayudan a reducir una latencia en el procesamiento de una unidad de codificación de crominancia, y mejoran un rendimiento de un decodificador de hardware.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370987.9A CN111866510A (zh) | 2019-04-30 | 2019-04-30 | 视频序列的帧内预测方法及装置 |
| PCT/CN2020/081672 WO2020220884A1 (zh) | 2019-04-30 | 2020-03-27 | 视频序列的帧内预测方法及装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021013320A true MX2021013320A (es) | 2022-01-24 |
Family
ID=72965849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021013320A MX2021013320A (es) | 2019-04-30 | 2020-03-27 | Método y aparato de intrapredicción para secuencia de video. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20220053194A1 (es) |
| EP (1) | EP3955575A4 (es) |
| JP (2) | JP7348307B2 (es) |
| KR (1) | KR20220003022A (es) |
| CN (5) | CN111866510A (es) |
| AU (2) | AU2020264569B2 (es) |
| BR (1) | BR112021021679A2 (es) |
| CA (1) | CA3135596A1 (es) |
| MX (1) | MX2021013320A (es) |
| WO (1) | WO2020220884A1 (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3912343A4 (en) | 2019-03-08 | 2022-07-20 | Beijing Bytedance Network Technology Co., Ltd. | LIMITATIONS OF MODEL-BASED TRANSFORMING IN VIDEO PROCESSING |
| JP7317991B2 (ja) | 2019-04-23 | 2023-07-31 | 北京字節跳動網絡技術有限公司 | クロスコンポーネント依存性を低減するための方法 |
| CN113796072B (zh) * | 2019-05-08 | 2023-10-03 | 北京字节跳动网络技术有限公司 | 跨分量编解码的适用性条件 |
| JP7418478B2 (ja) | 2019-06-22 | 2024-01-19 | 北京字節跳動網絡技術有限公司 | クロマ残差スケーリングのためのシンタックス要素 |
| JP6899053B2 (ja) * | 2019-06-24 | 2021-07-07 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| CN117395396A (zh) | 2019-07-07 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 色度残差缩放的信令通知 |
| CN114615494A (zh) * | 2020-12-04 | 2022-06-10 | 咪咕文化科技有限公司 | 一种图像处理方法、装置及设备 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074147A1 (en) * | 2014-11-11 | 2016-05-19 | Mediatek Singapore Pte. Ltd. | Separated coding tree for luma and chroma |
| CN109417620B (zh) * | 2016-03-25 | 2021-04-27 | 松下知识产权经营株式会社 | 用于使用信号依赖型自适应量化将运动图像编码及解码的方法及装置 |
| US10567808B2 (en) * | 2016-05-25 | 2020-02-18 | Arris Enterprises Llc | Binary ternary quad tree partitioning for JVET |
| US10419757B2 (en) * | 2016-08-31 | 2019-09-17 | Qualcomm Incorporated | Cross-component filter |
| JP2020031252A (ja) * | 2016-12-22 | 2020-02-27 | シャープ株式会社 | 画像復号装置及び画像符号化装置 |
| CN109510987B (zh) * | 2017-09-15 | 2022-12-06 | 华为技术有限公司 | 编码树节点划分方式的确定方法、装置及编码设备 |
| JP2021010046A (ja) * | 2017-10-06 | 2021-01-28 | シャープ株式会社 | 画像符号化装置及び画像復号装置 |
| US10819977B2 (en) * | 2018-07-05 | 2020-10-27 | Tencent America LLC | Methods and apparatus for multiple line intra prediction in video compression |
| CN113330742A (zh) * | 2018-12-28 | 2021-08-31 | 韩国电子通信研究院 | 视频编码/解码方法、设备以及存储有比特流的记录介质 |
| CN113678456A (zh) * | 2019-03-15 | 2021-11-19 | Lg 电子株式会社 | 用信号通知关于色度格式的信息的方法和装置 |
-
2019
- 2019-04-30 CN CN201910370987.9A patent/CN111866510A/zh active Pending
-
2020
- 2020-03-27 BR BR112021021679A patent/BR112021021679A2/pt unknown
- 2020-03-27 MX MX2021013320A patent/MX2021013320A/es unknown
- 2020-03-27 CN CN202111521205.0A patent/CN114245132A/zh active Pending
- 2020-03-27 CN CN202080001612.6A patent/CN112042195B/zh active Active
- 2020-03-27 EP EP20799360.1A patent/EP3955575A4/en active Pending
- 2020-03-27 CN CN202111509992.7A patent/CN114205591B/zh active Active
- 2020-03-27 WO PCT/CN2020/081672 patent/WO2020220884A1/zh unknown
- 2020-03-27 CN CN202111510040.7A patent/CN114205592B/zh active Active
- 2020-03-27 CA CA3135596A patent/CA3135596A1/en active Pending
- 2020-03-27 KR KR1020217038535A patent/KR20220003022A/ko unknown
- 2020-03-27 JP JP2021564668A patent/JP7348307B2/ja active Active
- 2020-03-27 AU AU2020264569A patent/AU2020264569B2/en active Active
-
2021
- 2021-10-29 US US17/514,289 patent/US20220053194A1/en active Pending
-
2023
- 2023-09-07 JP JP2023145466A patent/JP2023169238A/ja active Pending
-
2024
- 2024-03-13 AU AU2024201621A patent/AU2024201621A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2023169238A (ja) | 2023-11-29 |
| CN114205591B (zh) | 2024-04-09 |
| CN114205592B (zh) | 2023-10-20 |
| CN111866510A (zh) | 2020-10-30 |
| EP3955575A1 (en) | 2022-02-16 |
| WO2020220884A1 (zh) | 2020-11-05 |
| AU2024201621A1 (en) | 2024-03-28 |
| AU2020264569A1 (en) | 2021-12-02 |
| CN114205591A (zh) | 2022-03-18 |
| JP7348307B2 (ja) | 2023-09-20 |
| US20220053194A1 (en) | 2022-02-17 |
| CN112042195A (zh) | 2020-12-04 |
| JP2022531280A (ja) | 2022-07-06 |
| CN114245132A (zh) | 2022-03-25 |
| CN112042195B (zh) | 2021-12-10 |
| CA3135596A1 (en) | 2020-11-05 |
| AU2020264569B2 (en) | 2023-12-14 |
| EP3955575A4 (en) | 2022-06-22 |
| CN114205592A (zh) | 2022-03-18 |
| BR112021021679A2 (pt) | 2021-12-21 |
| KR20220003022A (ko) | 2022-01-07 |
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