BR112022000187A2 - Método de processamento de dados de vídeo, aparelho para processar dados de vídeo, meio de armazenamento não transitório legível por computador, meio de gravação não transitório legível por computador - Google Patents
Método de processamento de dados de vídeo, aparelho para processar dados de vídeo, meio de armazenamento não transitório legível por computador, meio de gravação não transitório legível por computadorInfo
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- BR112022000187A2 BR112022000187A2 BR112022000187A BR112022000187A BR112022000187A2 BR 112022000187 A2 BR112022000187 A2 BR 112022000187A2 BR 112022000187 A BR112022000187 A BR 112022000187A BR 112022000187 A BR112022000187 A BR 112022000187A BR 112022000187 A2 BR112022000187 A2 BR 112022000187A2
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- computer
- video data
- readable non
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- recording medium
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- 230000001052 transient effect Effects 0.000 title abstract 4
- 238000003672 processing method Methods 0.000 title abstract 2
- 230000000007 visual effect Effects 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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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
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
- H04N19/102—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
- H04N19/132—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
- H04N19/10—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
- H04N19/169—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
- H04N19/169—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
- H04N19/50—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
Abstract
método de processamento de dados de vídeo, aparelho para processar dados de vídeo, meio de armazenamento não transitório legível por computador, meio de gravação não transitório legível por computador. um método para processar mídia visual inclui desempenhar uma conversão entre um bloco de vídeo atual de uma imagem atual de dados de mídia visual e uma representação de bitstream dos dados de mídia visual. a conversão é baseada em uma região de referência a partir da imagem atual compreendendo amostras de referência usadas para derivar um bloco de predição do bloco de vídeo atual. um buffer virtual de um tamanho definido é usado para rastrear a disponibilidade das amostras de referência para derivar o bloco de predição.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN2019094957 | 2019-07-06 | ||
CN2019095297 | 2019-07-09 | ||
PCT/CN2020/099702 WO2021004348A1 (en) | 2019-07-06 | 2020-07-01 | Virtual prediction buffer for intra block copy in video coding |
Publications (1)
Publication Number | Publication Date |
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BR112022000187A2 true BR112022000187A2 (pt) | 2022-02-22 |
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BR112022000187A BR112022000187A2 (pt) | 2019-07-06 | 2020-07-01 | Método de processamento de dados de vídeo, aparelho para processar dados de vídeo, meio de armazenamento não transitório legível por computador, meio de gravação não transitório legível por computador |
Country Status (10)
Country | Link |
---|---|
US (2) | US11575888B2 (pt) |
EP (1) | EP3981151A4 (pt) |
JP (2) | JP2022539468A (pt) |
KR (2) | KR20220029598A (pt) |
CN (2) | CN114175645B (pt) |
AU (1) | AU2020309663C1 (pt) |
BR (1) | BR112022000187A2 (pt) |
CA (1) | CA3146016A1 (pt) |
MX (1) | MX2022000102A (pt) |
ZA (1) | ZA202200289B (pt) |
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CN114342410A (zh) | 2019-09-05 | 2022-04-12 | 北京字节跳动网络技术有限公司 | 帧内块复制模式下块矢量的范围约束 |
EP4018664A4 (en) * | 2019-09-23 | 2022-11-16 | Beijing Bytedance Network Technology Co., Ltd. | SETTING THE VIRTUAL BLOCK COPY BUFFER BASED ON A VIRTUAL PIPELINE DATA UNIT |
CN115362674A (zh) * | 2020-03-18 | 2022-11-18 | 抖音视界有限公司 | 帧内块复制缓冲区和调色板预测值更新 |
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CN114175645A (zh) | 2022-03-11 |
CN117294841A (zh) | 2023-12-26 |
CA3146016A1 (en) | 2021-01-14 |
AU2020309663B2 (en) | 2023-06-08 |
US11575888B2 (en) | 2023-02-07 |
JP2022539468A (ja) | 2022-09-09 |
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