BR112021022307A2 - Método de processamento de dados de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador - Google Patents
Método de processamento de dados de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computadorInfo
- Publication number
- BR112021022307A2 BR112021022307A2 BR112021022307A BR112021022307A BR112021022307A2 BR 112021022307 A2 BR112021022307 A2 BR 112021022307A2 BR 112021022307 A BR112021022307 A BR 112021022307A BR 112021022307 A BR112021022307 A BR 112021022307A BR 112021022307 A2 BR112021022307 A2 BR 112021022307A2
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- Prior art keywords
- video data
- current video
- video block
- encoding
- encoding modes
- Prior art date
Links
- 238000003672 processing method Methods 0.000 title 1
- 238000000034 method Methods 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
Classifications
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- 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
- H04N19/124—Quantisation
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- H—ELECTRICITY
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- 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
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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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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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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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- 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
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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- H04N19/127—Prioritisation of hardware or computational resources
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- 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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- 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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
- H04N19/70—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)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
configurações de dimensão de bloco do modo de pulo de transformada. são descritos dispositivos, sistemas e métodos para codificação sem perdas para codificação de mídia visual. um método exemplar para processar vídeos inclui determinar, com base em um bloco de vídeo atual de um vídeo que satisfaça uma restrição de dimensão, que os modos de codificação são habilitados para representar o bloco de vídeo atual em uma representação de bitstream, na qual a restrição de dimensão afirma que um mesmo conjunto de dimensões permitidas para o bloco de vídeo atual é desabilitado para os modos de codificação, e na qual, para uma operação de codificação, os modos de codificação representam o bloco de vídeo atual na representação de bitstream sem usar uma operação de transformada, ou na qual, para uma operação de decodificação, os modos de codificação são usados para obter o bloco de vídeo atual sem usar uma operação de transformada inversa; e desempenhar uma conversão entre o bloco de vídeo atual e a representação de bitstream do vídeo com base em um dos modos de codificação.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN2019086656 | 2019-05-13 | ||
CN2019107144 | 2019-09-21 | ||
PCT/CN2020/089936 WO2020228717A1 (en) | 2019-05-13 | 2020-05-13 | Block dimension settings of transform skip mode |
Publications (1)
Publication Number | Publication Date |
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BR112021022307A2 true BR112021022307A2 (pt) | 2021-12-28 |
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BR112021022307A BR112021022307A2 (pt) | 2019-05-13 | 2020-05-13 | Método de processamento de dados de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador |
Country Status (8)
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US (2) | US11490086B2 (pt) |
EP (1) | EP3954114A4 (pt) |
JP (2) | JP7265040B2 (pt) |
KR (1) | KR102648569B1 (pt) |
CN (1) | CN113826383B (pt) |
BR (1) | BR112021022307A2 (pt) |
SG (1) | SG11202112518SA (pt) |
WO (1) | WO2020228717A1 (pt) |
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CN113853787B (zh) * | 2019-05-22 | 2023-12-22 | 北京字节跳动网络技术有限公司 | 基于子块使用变换跳过模式 |
BR112021026544A2 (pt) * | 2019-06-24 | 2022-02-15 | Lg Electronics Inc | Método de codificação/decodificação de imagem, aparelho e método para transmitir fluxo de bits usando ajuste de tamanho máximo de transformação do bloco de croma |
US20220286691A1 (en) * | 2019-08-23 | 2022-09-08 | Lg Electronics Inc. | Method and apparatus for deriving rice parameter in video/image coding system |
CN114223204B (zh) * | 2019-09-19 | 2024-04-12 | 寰发股份有限公司 | 视频编解码的方法和装置 |
KR20220045049A (ko) | 2019-09-21 | 2022-04-12 | 엘지전자 주식회사 | 변환에 기반한 영상 코딩 방법 및 그 장치 |
CN114762339B (zh) * | 2019-10-05 | 2023-10-27 | Lg电子株式会社 | 基于变换跳过和调色板编码相关高级语法元素的图像或视频编码 |
WO2024078550A1 (en) * | 2022-10-12 | 2024-04-18 | Douyin Vision (Beijing) Co., Ltd. | Method, apparatus, and medium for video processing |
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CN113853787B (zh) | 2019-05-22 | 2023-12-22 | 北京字节跳动网络技术有限公司 | 基于子块使用变换跳过模式 |
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2020
- 2020-05-13 SG SG11202112518SA patent/SG11202112518SA/en unknown
- 2020-05-13 CN CN202080036240.0A patent/CN113826383B/zh active Active
- 2020-05-13 BR BR112021022307A patent/BR112021022307A2/pt unknown
- 2020-05-13 KR KR1020217036262A patent/KR102648569B1/ko active IP Right Grant
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US20230074729A1 (en) | 2023-03-09 |
JP2022533091A (ja) | 2022-07-21 |
SG11202112518SA (en) | 2021-12-30 |
CN113826383B (zh) | 2022-10-11 |
US11490086B2 (en) | 2022-11-01 |
KR102648569B1 (ko) | 2024-03-19 |
EP3954114A1 (en) | 2022-02-16 |
JP2023089145A (ja) | 2023-06-27 |
KR20220007603A (ko) | 2022-01-18 |
EP3954114A4 (en) | 2022-06-01 |
US20220070461A1 (en) | 2022-03-03 |
JP7265040B2 (ja) | 2023-04-25 |
CN113826383A (zh) | 2021-12-21 |
WO2020228717A1 (en) | 2020-11-19 |
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