BR112022008369A2 - Método de processamento de vídeo, aparelho para processar dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador - Google Patents
Método de processamento de vídeo, aparelho para processar dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computadorInfo
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- BR112022008369A2 BR112022008369A2 BR112022008369A BR112022008369A BR112022008369A2 BR 112022008369 A2 BR112022008369 A2 BR 112022008369A2 BR 112022008369 A BR112022008369 A BR 112022008369A BR 112022008369 A BR112022008369 A BR 112022008369A BR 112022008369 A2 BR112022008369 A2 BR 112022008369A2
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- video
- processing
- computer
- storage media
- readable non
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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
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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
- H04N19/117—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
- H04N19/102—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
- 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
- H04N19/184—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
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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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
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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
- H04N19/90—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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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
MÉTODO DE PROCESSAMENTO DE VÍDEO, APARELHO PARA PROCESSAR DADOS DE VÍDEO, MEIOS DE ARMAZENAMENTO E DE GRAVAÇÃO NÃO TRANSITÓRIOS LEGÍVEIS POR COMPUTADOR. Um método de processamento de vídeo inclui derivar, para uma conversão entre um bloco de croma de um vídeo e uma representação de bitstream do vídeo, parâmetros de um modelo linear de componente cruzado ao usar amostras de luma subamostradas que são geradas a partir de N linhas vizinhas acima de um bloco de luma colocalizado do bloco de croma usando um filtro de subamostragem, onde N é um número inteiro positivo; e desempenhar a conversão usando um bloco de croma predito gerado usando o modelo linear de componente cruzado.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2019115034 | 2019-11-01 | ||
PCT/CN2020/125796 WO2021083376A1 (en) | 2019-11-01 | 2020-11-02 | Derivation of linear parameter in cross-component video coding |
Publications (1)
Publication Number | Publication Date |
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BR112022008369A2 true BR112022008369A2 (pt) | 2022-07-12 |
Family
ID=75715851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022008369A BR112022008369A2 (pt) | 2019-11-01 | 2020-11-02 | Método de processamento de vídeo, aparelho para processar dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador |
Country Status (8)
Country | Link |
---|---|
US (2) | US11496751B2 (pt) |
EP (1) | EP4042696A4 (pt) |
JP (2) | JP2023501191A (pt) |
KR (1) | KR20220087451A (pt) |
CN (2) | CN114667730A (pt) |
BR (1) | BR112022008369A2 (pt) |
MX (1) | MX2022004896A (pt) |
WO (2) | WO2021083376A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117579830A (zh) | 2019-06-21 | 2024-02-20 | 北京字节跳动网络技术有限公司 | 自适应环内颜色空间转换和其他编解码工具的选择性使用 |
CN115152219A (zh) * | 2019-11-07 | 2022-10-04 | 抖音视界有限公司 | 视频编解码的自适应环内颜色空间变换的量化特性 |
US20230336748A1 (en) * | 2022-04-19 | 2023-10-19 | Tencent America LLC | Chroma from luma prediction using mapping and different types |
US20240031566A1 (en) * | 2022-07-20 | 2024-01-25 | Tencent America LLC | Signaling of downsampling filters for chroma from luma intra prediction mode |
WO2024017006A1 (en) * | 2022-07-22 | 2024-01-25 | Mediatek Inc. | Accessing neighboring samples for cross-component non-linear model derivation |
WO2024080828A1 (ko) * | 2022-10-13 | 2024-04-18 | 한국전자통신연구원 | 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2197870T3 (pl) | 2007-10-09 | 2011-12-30 | Basf Se | Sposób wydzielania trioksanu z mieszaniny trioksan/formaldehyd/woda za pomocą rektyfikacji pod zmiennym ciśnieniem |
CN103096057B (zh) | 2011-11-08 | 2016-06-29 | 华为技术有限公司 | 一种色度帧内预测方法和装置 |
JP6125215B2 (ja) | 2012-09-21 | 2017-05-10 | 株式会社東芝 | 復号装置、及び符号化装置 |
US10645399B2 (en) * | 2013-07-23 | 2020-05-05 | Intellectual Discovery Co., Ltd. | Method and apparatus for encoding/decoding image |
WO2017088093A1 (en) * | 2015-11-23 | 2017-06-01 | Mediatek Singapore Pte. Ltd. | On the smallest allowed block size in video coding |
US10484712B2 (en) * | 2016-06-08 | 2019-11-19 | Qualcomm Incorporated | Implicit coding of reference line index used in intra prediction |
US10554974B2 (en) * | 2017-01-13 | 2020-02-04 | Mediatek Inc. | Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags |
US10779007B2 (en) * | 2017-03-23 | 2020-09-15 | Mediatek Inc. | Transform coding of video data |
US10856010B2 (en) * | 2017-09-08 | 2020-12-01 | FG Innovation Company Limited | Device and method for coding video data based on multiple reference lines |
GB2567249A (en) * | 2017-10-09 | 2019-04-10 | Canon Kk | New sample sets and new down-sampling schemes for linear component sample prediction |
US11218704B2 (en) * | 2017-11-28 | 2022-01-04 | Electronics And Telecommunications Research Institute | Image encoding/decoding method and device, and recording medium stored with bitstream |
GB2571314A (en) * | 2018-02-23 | 2019-08-28 | Canon Kk | Methods and devices for linear component sample prediction using a double classification |
WO2019172799A1 (en) | 2018-03-07 | 2019-09-12 | Huawei Technologies Co., Ltd | Method and apparatus for detecting blocks suitable for multiple sign bit hiding |
EP3799428A4 (en) | 2018-07-02 | 2021-04-14 | LG Electronics, Inc. | CCLM-BASED INTRA-PREDICTION DEVICE AND PROCESS |
CN112425166B (zh) | 2018-07-12 | 2023-03-10 | 华为技术有限公司 | 视频译码中使用交叉分量线性模型进行帧内预测 |
WO2020015433A1 (en) | 2018-07-15 | 2020-01-23 | Huawei Technologies Co., Ltd. | Method and apparatus for intra prediction using cross-component linear model |
TWI814890B (zh) | 2018-08-17 | 2023-09-11 | 大陸商北京字節跳動網絡技術有限公司 | 簡化的跨分量預測 |
US11917195B2 (en) | 2018-09-07 | 2024-02-27 | B1 Institute Of Image Technology, Inc. | Method and device for coding/decoding image using intra prediction |
CN117478883A (zh) | 2018-09-12 | 2024-01-30 | 北京字节跳动网络技术有限公司 | 交叉分量线性模型中的尺寸相关的下采样 |
EP3850852A4 (en) | 2018-09-14 | 2021-11-17 | Huawei Technologies Co., Ltd. | TILE-BASED ADDRESSING IN VIDEO ENCODING |
US11394961B2 (en) | 2018-10-04 | 2022-07-19 | Lg Electronics Inc. | CCLM-based intra-prediction method and apparatus therefor |
WO2020073904A1 (en) | 2018-10-08 | 2020-04-16 | Huawei Technologies Co., Ltd. | An image processing device and method for performing deblocking |
-
2020
- 2020-11-02 EP EP20881100.0A patent/EP4042696A4/en active Pending
- 2020-11-02 MX MX2022004896A patent/MX2022004896A/es unknown
- 2020-11-02 CN CN202080076944.0A patent/CN114667730A/zh active Pending
- 2020-11-02 CN CN202080077108.4A patent/CN115066901A/zh active Pending
- 2020-11-02 WO PCT/CN2020/125796 patent/WO2021083376A1/en unknown
- 2020-11-02 KR KR1020227013425A patent/KR20220087451A/ko unknown
- 2020-11-02 JP JP2022525115A patent/JP2023501191A/ja active Pending
- 2020-11-02 WO PCT/CN2020/125798 patent/WO2021083377A1/en active Application Filing
- 2020-11-02 BR BR112022008369A patent/BR112022008369A2/pt unknown
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2022
- 2022-04-29 US US17/732,813 patent/US11496751B2/en active Active
- 2022-11-03 US US17/979,949 patent/US20230073705A1/en active Pending
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2023
- 2023-10-30 JP JP2023185843A patent/JP2024012428A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2021083377A1 (en) | 2021-05-06 |
EP4042696A4 (en) | 2023-07-19 |
KR20220087451A (ko) | 2022-06-24 |
US20230073705A1 (en) | 2023-03-09 |
US20220264120A1 (en) | 2022-08-18 |
US11496751B2 (en) | 2022-11-08 |
MX2022004896A (es) | 2022-05-26 |
EP4042696A1 (en) | 2022-08-17 |
WO2021083376A1 (en) | 2021-05-06 |
JP2024012428A (ja) | 2024-01-30 |
CN114667730A (zh) | 2022-06-24 |
JP2023501191A (ja) | 2023-01-18 |
CN115066901A (zh) | 2022-09-16 |
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