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
- Publication number
- 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
- Authority
- BR
- Brazil
- Prior art keywords
- video
- processing
- computer
- storage media
- readable non
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- H04N19/102—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
-
- 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
- H04N19/10—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
- H04N19/169—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
-
- 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
-
- 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
- H04N19/50—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
-
- 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
-
- 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
Landscapes
- 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 |
---|---|
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) | WO2021083377A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020253864A1 (en) | 2019-06-21 | 2020-12-24 | Beijing Bytedance Network Technology Co., Ltd. | Selective enablement of adaptive in-loop color-space transform in video coding |
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 |
---|---|---|---|---|
BRPI0818078A2 (pt) | 2007-10-09 | 2015-03-31 | Basf Se | Processos para separar trioxano a partir de uma corrente de alimentação, e para preparar trioxano a partir de uma solução aquosa de formaldeído |
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 |
KR101709775B1 (ko) * | 2013-07-23 | 2017-02-23 | 인텔렉추얼디스커버리 주식회사 | 영상 부호화/복호화 방법 및 장치 |
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 |
WO2019047883A1 (en) * | 2017-09-08 | 2019-03-14 | Fg Innovation Ip Company Limited | DEVICE AND METHOD FOR ENCODING 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 |
CN116684620A (zh) * | 2017-11-28 | 2023-09-01 | Lx 半导体科技有限公司 | 图像编码/解码方法、图像数据的传输方法和存储介质 |
GB2571314A (en) * | 2018-02-23 | 2019-08-28 | Canon Kk | Methods and devices for linear component sample prediction using a double classification |
CN111837389A (zh) | 2018-03-07 | 2020-10-27 | 华为技术有限公司 | 适用于多符号位隐藏的块检测方法及装置 |
EP3799428A4 (en) | 2018-07-02 | 2021-04-14 | LG Electronics, Inc. | CCLM-BASED INTRA-PREDICTION DEVICE AND PROCESS |
EP3815370A4 (en) | 2018-07-12 | 2021-08-11 | Huawei Technologies Co., Ltd. | INTRAPREDICTION USING COMPONENT LINEAR MODEL IN VIDEO ENCODING |
CN110999290B (zh) | 2018-07-15 | 2021-07-16 | 华为技术有限公司 | 使用跨分量线性模型进行帧内预测的方法和装置 |
GB2590844B (en) | 2018-08-17 | 2023-05-03 | Beijing Bytedance Network Tech Co Ltd | Simplified cross component prediction |
AU2019336894A1 (en) | 2018-09-07 | 2021-05-06 | B1 Institute Of Image Technology, Inc. | Method and device for coding/decoding image using intra prediction |
WO2020053804A1 (en) | 2018-09-12 | 2020-03-19 | Beijing Bytedance Network Technology Co., Ltd. | Downsampling in cross-component linear modeling |
EP3850843A4 (en) | 2018-09-14 | 2021-11-24 | Huawei Technologies Co., Ltd. | SLICING AND TILING OF SUBPICTURE SIGNALING IN VIDEO ENCODING |
KR102543468B1 (ko) | 2018-10-04 | 2023-06-14 | 엘지전자 주식회사 | Cclm에 기반한 인트라 예측 방법 및 그 장치 |
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 CN CN202080076944.0A patent/CN114667730A/zh active Pending
- 2020-11-02 WO PCT/CN2020/125798 patent/WO2021083377A1/en active Application Filing
- 2020-11-02 EP EP20881100.0A patent/EP4042696A4/en 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 BR BR112022008369A patent/BR112022008369A2/pt unknown
- 2020-11-02 JP JP2022525115A patent/JP2023501191A/ja active Pending
- 2020-11-02 MX MX2022004896A patent/MX2022004896A/es unknown
- 2020-11-02 CN CN202080077108.4A patent/CN115066901A/zh active Pending
-
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
-
2023
- 2023-10-30 JP JP2023185843A patent/JP2024012428A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
MX2022004896A (es) | 2022-05-26 |
WO2021083376A1 (en) | 2021-05-06 |
WO2021083377A1 (en) | 2021-05-06 |
JP2023501191A (ja) | 2023-01-18 |
CN115066901A (zh) | 2022-09-16 |
US11496751B2 (en) | 2022-11-08 |
EP4042696A4 (en) | 2023-07-19 |
US20230073705A1 (en) | 2023-03-09 |
CN114667730A (zh) | 2022-06-24 |
EP4042696A1 (en) | 2022-08-17 |
JP2024012428A (ja) | 2024-01-30 |
KR20220087451A (ko) | 2022-06-24 |
US20220264120A1 (en) | 2022-08-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112022008369A2 (pt) | Método de processamento de vídeo, aparelho para processar dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador | |
BR112021019564A2 (pt) | Método para processamento de mídia visual, aparelho codificador de vídeo, aparelho decodificador de vídeo, e, mídia legível por computador | |
BR112021021661A2 (pt) | Método e aparelho para processar dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios | |
BR112021020026A2 (pt) | Método para processamento vídeo, aparelho para processar de dados de vídeo, meio de armazenamento e meio de gravação legíveis por computador não transitórios | |
MX2018009737A (es) | Metodo y dispositivo para codificacion/decodificacion de una unidad de imagen comprendiendo datos de imagen representados por un canal de luminancia y al menos un canal de crominancia. | |
PH12017501109B1 (en) | Methods of palette based prediction for non-444 color format in video and image coding | |
BR112021019675A2 (pt) | Método para processamento de mídia visual, aparelho codificador de vídeo, aparelho decodificador de vídeo, e, mídia legível por computador | |
BR112019004544A2 (pt) | predição intra croma de modelo linear para codificação de vídeo | |
MX2021009788A (es) | Seleccion de muestra colindante para intraprediccion. | |
MX2022004469A (es) | Señalización de estructura de partición de bloques de imagen y video. | |
SA517382335B1 (ar) | استخلاص معلومات الحركة للمقاطع الفرعية في تشفير الفيديو | |
BR112017007091A2 (pt) | derivação e deslocamento de qp para transformada de cor adaptativa em codificação de vídeo | |
BR112022016125A2 (pt) | Métodos de processamento de vídeo e para armazenar fluxo de bits, aparelhos de decodificação e codificação de vídeo, produto de programa de computador, meio de gravação legível por computador não transitório, e, método, aparelho, fluxo de bits | |
BR112022003641A2 (pt) | Método e aparelho para processar dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios | |
MX339141B (es) | Metodo de decodificacion de imagenes, metodo de codificacion de imagenes, aparato de decodificacion de imagenes, aparato de codificacion de imagenes y aparato de codificacion y decodificacion de imagenes. | |
MX2023007878A (es) | Simplificaciones de modelo lineal de componente transversal. | |
WO2011126348A3 (en) | Method and apparatus for processing video data | |
BR112022007408A2 (pt) | Método e aparelho de processamento de vídeo, e, meio legível por computador | |
BR112022000542A2 (pt) | Método de processamento de dados de vídeo, aparelho para processar dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador | |
WO2020141813A3 (ko) | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 | |
PH12016501793B1 (en) | Method of color index coding with palette stuffing | |
TR201900485T4 (tr) | Geliştirilmiş intra chroma kodlama ve kod çözmeye yönelik yöntemler ve aparat. | |
BR112022005109A2 (pt) | Método de processamento de vídeo, aparelho para processamento de dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios | |
MX2021008391A (es) | Codificacion de video mediante el uso de un modelo lineal de componente cruzado. | |
BR112022002006A2 (pt) | Método de processamento de vídeo, aparelho de processamento de vídeo, e, mídia legível por computador |