BR112021021679A2 - Método e aparelho de predição intra para sequência de vídeo - Google Patents
Método e aparelho de predição intra para sequência de vídeoInfo
- Publication number
- BR112021021679A2 BR112021021679A2 BR112021021679A BR112021021679A BR112021021679A2 BR 112021021679 A2 BR112021021679 A2 BR 112021021679A2 BR 112021021679 A BR112021021679 A BR 112021021679A BR 112021021679 A BR112021021679 A BR 112021021679A BR 112021021679 A2 BR112021021679 A2 BR 112021021679A2
- Authority
- BR
- Brazil
- Prior art keywords
- coding unit
- chroma
- chroma coding
- intra prediction
- video sequence
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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]
-
- 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
-
- 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
método e aparelho de predição intra para sequência de vídeo. modalidades deste pedido revelam um método de predição intra para uma sequência de vídeo. o método inclui: obter um tamanho e um modo de divisão de um nó de árvore de codificação de croma; determinar, com base no tamanho e no modo de divisão do nó de árvore de codificação de croma, se permite que predição intra de modelo linear de componente cruzado (cclm) seja realizada em uma unidade de codificação de croma incluída no nó de árvore de codificação de croma; determinar um modo de predição da unidade de codificação de croma dependendo se permite que cclm seja realizado na unidade de codificação de croma; e processar a unidade de codificação de croma com base no modo de predição da unidade de codificação de croma para obter amostras de predição da unidade de codificação de croma. as modalidades deste pedido revelam adicionalmente um aparelho de predição intra e um decodificador. as modalidades deste pedido ajudam a reduzir a latência em processamento de uma unidade de codificação de croma, e melhorar o rendimento de um 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 |
|---|---|
| BR112021021679A2 true BR112021021679A2 (pt) | 2021-12-21 |
Family
ID=72965849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021021679A BR112021021679A2 (pt) | 2019-04-30 | 2020-03-27 | Método e aparelho de predição intra para sequência de vídeo |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US12022081B2 (pt) |
| EP (1) | EP3955575B1 (pt) |
| JP (2) | JP7348307B2 (pt) |
| KR (1) | KR20220003022A (pt) |
| CN (5) | CN111866510A (pt) |
| AU (2) | AU2020264569B2 (pt) |
| BR (1) | BR112021021679A2 (pt) |
| CA (1) | CA3135596A1 (pt) |
| MX (1) | MX2021013320A (pt) |
| PT (1) | PT3955575T (pt) |
| WO (1) | WO2020220884A1 (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020182093A1 (en) | 2019-03-08 | 2020-09-17 | Beijing Bytedance Network Technology Co., Ltd. | Signaling of reshaping information in video processing |
| CA3135973A1 (en) | 2019-04-23 | 2020-10-29 | Beijing Bytedance Network Technology Co., Ltd. | Methods for cross component dependency reduction |
| KR102641796B1 (ko) * | 2019-05-08 | 2024-03-04 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 교차-성분 코딩의 적용가능성에 대한 조건들 |
| MX2021013811A (es) | 2019-05-17 | 2021-12-14 | Panasonic Ip Corp America | Sistema y metodo para codificacion de video. |
| EP3973707A4 (en) | 2019-06-22 | 2022-08-31 | Beijing Bytedance Network Technology Co., Ltd. | CHROMA REST SCALE SYNTAX ELEMENT |
| 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 |
| EP3977738A4 (en) | 2019-07-07 | 2022-08-17 | Beijing Bytedance Network Technology Co., Ltd. | SIGNALING OF CHROMA RESIDUAL SCALE |
| CN114615494B (zh) * | 2020-12-04 | 2024-09-27 | 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 |
|---|---|---|---|---|
| CN103688533B (zh) | 2011-06-20 | 2015-12-23 | 联发科技（新加坡）私人有限公司 | 可减少行存储器的色度帧内预测方法及装置 |
| 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 |
| JP6895645B2 (ja) * | 2016-03-25 | 2021-06-30 | 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 |
| CA3025334C (en) * | 2016-05-25 | 2021-07-13 | Arris Enterprises Llc | Binary ternary 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 |
| 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 |
| KR20210118951A (ko) * | 2019-03-15 | 2021-10-01 | 엘지전자 주식회사 | 크로마 포맷에 대한 정보를 시그널링 하는 방법 및 장치 |
-
2019
- 2019-04-30 CN CN201910370987.9A patent/CN111866510A/zh active Pending
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2020
- 2020-03-27 EP EP20799360.1A patent/EP3955575B1/en active Active
- 2020-03-27 CN CN202111510040.7A patent/CN114205592B/zh active Active
- 2020-03-27 MX MX2021013320A patent/MX2021013320A/es unknown
- 2020-03-27 PT PT207993601T patent/PT3955575T/pt unknown
- 2020-03-27 BR BR112021021679A patent/BR112021021679A2/pt unknown
- 2020-03-27 CN CN202111509992.7A patent/CN114205591B/zh active Active
- 2020-03-27 CN CN202080001612.6A patent/CN112042195B/zh active Active
- 2020-03-27 JP JP2021564668A patent/JP7348307B2/ja 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 KR KR1020217038535A patent/KR20220003022A/ko unknown
- 2020-03-27 CA CA3135596A patent/CA3135596A1/en active Pending
- 2020-03-27 WO PCT/CN2020/081672 patent/WO2020220884A1/zh unknown
-
2021
- 2021-10-29 US US17/514,289 patent/US12022081B2/en active Active
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2023
- 2023-09-07 JP JP2023145466A patent/JP7543508B2/ja active Active
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2024
- 2024-03-13 AU AU2024201621A patent/AU2024201621A1/en active Pending
- 2024-05-16 US US18/665,853 patent/US20240305784A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP3955575A1 (en) | 2022-02-16 |
| JP2023169238A (ja) | 2023-11-29 |
| US20240305784A1 (en) | 2024-09-12 |
| US12022081B2 (en) | 2024-06-25 |
| CN114205592A (zh) | 2022-03-18 |
| WO2020220884A1 (zh) | 2020-11-05 |
| CA3135596A1 (en) | 2020-11-05 |
| KR20220003022A (ko) | 2022-01-07 |
| JP7543508B2 (ja) | 2024-09-02 |
| JP7348307B2 (ja) | 2023-09-20 |
| CN114205591B (zh) | 2024-04-09 |
| CN112042195A (zh) | 2020-12-04 |
| AU2020264569A1 (en) | 2021-12-02 |
| JP2022531280A (ja) | 2022-07-06 |
| EP3955575B1 (en) | 2024-07-03 |
| AU2024201621A1 (en) | 2024-03-28 |
| CN114245132A (zh) | 2022-03-25 |
| EP3955575A4 (en) | 2022-06-22 |
| CN111866510A (zh) | 2020-10-30 |
| CN114205592B (zh) | 2023-10-20 |
| MX2021013320A (es) | 2022-01-24 |
| CN114205591A (zh) | 2022-03-18 |
| AU2020264569B2 (en) | 2023-12-14 |
| US20220053194A1 (en) | 2022-02-17 |
| PT3955575T (pt) | 2024-07-30 |
| CN112042195B (zh) | 2021-12-10 |
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