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) | US12022081B2 (es) |
EP (1) | EP3955575B1 (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 |
---|---|---|---|---|
CN113545049B (zh) | 2019-03-08 | 2024-04-19 | 北京字节跳动网络技术有限公司 | 视频处理中对基于模型的整形的约束 |
CN117579841A (zh) | 2019-04-23 | 2024-02-20 | 北京字节跳动网络技术有限公司 | 降低跨分量依赖性的方法 |
WO2020224629A1 (en) * | 2019-05-08 | 2020-11-12 | Beijing Bytedance Network Technology Co., Ltd. | Conditions for applicability of cross-component coding |
CN113994697A (zh) | 2019-06-22 | 2022-01-28 | 北京字节跳动网络技术有限公司 | 色度残差缩放的语法元素 |
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 |
KR102660738B1 (ko) | 2019-07-07 | 2024-04-26 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 크로마 잔차 스케일링의 시그널링 |
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 (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012175003A1 (en) | 2011-06-20 | 2012-12-27 | Mediatek Singapore Pte. Ltd. | Method and apparatus of chroma intra prediction with reduced line memory |
CN103220508B (zh) | 2012-01-20 | 2014-06-11 | 华为技术有限公司 | 编解码方法和装置 |
WO2016074147A1 (en) * | 2014-11-11 | 2016-05-19 | Mediatek Singapore Pte. Ltd. | Separated coding tree for luma and chroma |
WO2017164297A1 (ja) * | 2016-03-25 | 2017-09-28 | パナソニックIpマネジメント株式会社 | 信号依存型適応量子化を用いて動画像を符号化及び復号するための方法及び装置 |
WO2017205700A1 (en) * | 2016-05-25 | 2017-11-30 | Arris Enterprises Llc | Binary, ternary and quad tree partitioning for jvet coding of video data |
US10419757B2 (en) * | 2016-08-31 | 2019-09-17 | Qualcomm Incorporated | Cross-component filter |
US10652575B2 (en) | 2016-09-15 | 2020-05-12 | Qualcomm Incorporated | Linear model chroma intra prediction for video coding |
JP2018056685A (ja) | 2016-09-27 | 2018-04-05 | 株式会社ドワンゴ | 画像符号化装置、画像符号化方法、及び画像符号化プログラム、並びに、画像復号装置、画像復号方法、及び画像復号プログラム |
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 |
KR20200083321A (ko) * | 2018-12-28 | 2020-07-08 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
EP3941065A4 (en) * | 2019-03-15 | 2022-05-18 | Lg Electronics Inc. | METHOD AND DEVICE FOR SIGNALING INFORMATION ON CHROMA FORMAT |
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2019
- 2019-04-30 CN CN201910370987.9A patent/CN111866510A/zh active Pending
-
2020
- 2020-03-27 CN CN202111509992.7A patent/CN114205591B/zh active Active
- 2020-03-27 BR BR112021021679A patent/BR112021021679A2/pt unknown
- 2020-03-27 EP EP20799360.1A patent/EP3955575B1/en active Active
- 2020-03-27 WO PCT/CN2020/081672 patent/WO2020220884A1/zh unknown
- 2020-03-27 KR KR1020217038535A patent/KR20220003022A/ko unknown
- 2020-03-27 JP JP2021564668A patent/JP7348307B2/ja active Active
- 2020-03-27 CN CN202111510040.7A patent/CN114205592B/zh active Active
- 2020-03-27 CN CN202111521205.0A patent/CN114245132A/zh active Pending
- 2020-03-27 AU AU2020264569A patent/AU2020264569B2/en active Active
- 2020-03-27 CN CN202080001612.6A patent/CN112042195B/zh active Active
- 2020-03-27 CA CA3135596A patent/CA3135596A1/en active Pending
- 2020-03-27 MX MX2021013320A patent/MX2021013320A/es unknown
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2021
- 2021-10-29 US US17/514,289 patent/US12022081B2/en active Active
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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 |
---|---|
CN114205591A (zh) | 2022-03-18 |
JP2023169238A (ja) | 2023-11-29 |
AU2020264569A1 (en) | 2021-12-02 |
CN114205592B (zh) | 2023-10-20 |
WO2020220884A1 (zh) | 2020-11-05 |
AU2024201621A1 (en) | 2024-03-28 |
JP7348307B2 (ja) | 2023-09-20 |
BR112021021679A2 (pt) | 2021-12-21 |
CA3135596A1 (en) | 2020-11-05 |
CN112042195A (zh) | 2020-12-04 |
EP3955575A1 (en) | 2022-02-16 |
CN112042195B (zh) | 2021-12-10 |
CN111866510A (zh) | 2020-10-30 |
CN114205592A (zh) | 2022-03-18 |
EP3955575A4 (en) | 2022-06-22 |
CN114245132A (zh) | 2022-03-25 |
CN114205591B (zh) | 2024-04-09 |
AU2020264569B2 (en) | 2023-12-14 |
EP3955575B1 (en) | 2024-07-03 |
US20220053194A1 (en) | 2022-02-17 |
JP2022531280A (ja) | 2022-07-06 |
US12022081B2 (en) | 2024-06-25 |
KR20220003022A (ko) | 2022-01-07 |
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