BR112021017451A2 - Seleção de transformada implícita em codificação de vídeo - Google Patents
Seleção de transformada implícita em codificação de vídeoInfo
- Publication number
- BR112021017451A2 BR112021017451A2 BR112021017451A BR112021017451A BR112021017451A2 BR 112021017451 A2 BR112021017451 A2 BR 112021017451A2 BR 112021017451 A BR112021017451 A BR 112021017451A BR 112021017451 A BR112021017451 A BR 112021017451A BR 112021017451 A2 BR112021017451 A2 BR 112021017451A2
- Authority
- BR
- Brazil
- Prior art keywords
- block
- transform
- current
- video block
- type
- Prior art date
Links
- 230000001131 transforming effect Effects 0.000 abstract 1
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
- H04N19/10—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
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- 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
- H04N19/119—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
-
- 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
- H04N19/50—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
- H04N19/60—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)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
seleção de transformada implícita em codificação de vídeo. um método de exemplo inclui inferir, para um bloco de transformada atual de um bloco de vídeo atual, um tipo de transformada a partir de uma pluralidade de tipos de transformada que inclui uma ou mais transformadas de cosseno discreto (dcts) e uma ou mais transformadas de seno discreto (dsts), em que inferir o tipo de transformada compreende: determinar um tamanho do bloco de transformada atual; determinar se o bloco de vídeo atual é dividido utilizando divisão intra-sub-bloco (isp); e responsivo à determinação de que o tamanho do bloco de transformada atual é menor que um limiar e que o bloco de vídeo atual é dividido utilizando isp, selecionar uma dst específica de uma ou mais dsts como o tipo de transformada selecionado; transformar, utilizando o tipo de transformada selecionado, o bloco de transformada atual para obter um bloco de dados residuais reconstruídos para o bloco de vídeo; e reconstruir, com base nos dados residuais reconstruídos para o bloco de vídeo, o bloco de vídeo.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962817397P | 2019-03-12 | 2019-03-12 | |
US16/815,920 US11539952B2 (en) | 2019-03-12 | 2020-03-11 | Implicit transform selection in video coding |
PCT/US2020/022363 WO2020186042A1 (en) | 2019-03-12 | 2020-03-12 | Implicit transform selection in video coding |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021017451A2 true BR112021017451A2 (pt) | 2021-11-16 |
Family
ID=72423554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021017451A BR112021017451A2 (pt) | 2019-03-12 | 2020-03-12 | Seleção de transformada implícita em codificação de vídeo |
Country Status (15)
Country | Link |
---|---|
US (1) | US11539952B2 (pt) |
EP (1) | EP3939280A1 (pt) |
JP (1) | JP2022525024A (pt) |
KR (1) | KR20210135245A (pt) |
CN (1) | CN113545053A (pt) |
AU (1) | AU2020235621A1 (pt) |
BR (1) | BR112021017451A2 (pt) |
CA (1) | CA3131886A1 (pt) |
CL (1) | CL2021002369A1 (pt) |
CO (1) | CO2021011797A2 (pt) |
IL (1) | IL285755A (pt) |
MX (1) | MX2021010861A (pt) |
SG (1) | SG11202109072PA (pt) |
TW (1) | TW202041017A (pt) |
WO (1) | WO2020186042A1 (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112601085A (zh) * | 2017-06-28 | 2021-04-02 | 华为技术有限公司 | 一种图像数据的编码、解码方法及装置 |
US11259052B2 (en) * | 2018-07-16 | 2022-02-22 | Qualcomm Incorporated | Transform variations of multiple separable transform selection |
US11159795B2 (en) * | 2019-03-04 | 2021-10-26 | Tencent America LLC | Max transform size control |
US11252410B2 (en) * | 2019-06-11 | 2022-02-15 | Tencent America LLC | Method and apparatus for video coding |
MX2022003322A (es) * | 2019-09-21 | 2022-05-06 | Lg Electronics Inc | Dispositivo y metodo de codificacion de imagenes a base de transformacion. |
US11575941B2 (en) * | 2021-03-23 | 2023-02-07 | Tencent America LLC | Parallel processing in video coding |
CN113286150B (zh) * | 2021-05-17 | 2023-03-24 | 北京大学深圳研究生院 | 用于视频编解码的变换编码硬件实现方法、装置及设备 |
US20230052538A1 (en) * | 2021-08-13 | 2023-02-16 | Meta Platforms, Inc. | Systems and methods for determining token rates within a rate-distortion optimization hardware pipeline |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130003856A1 (en) * | 2011-07-01 | 2013-01-03 | Samsung Electronics Co. Ltd. | Mode-dependent transforms for residual coding with low latency |
EP2840792A4 (en) * | 2012-04-16 | 2016-03-16 | Korea Electronics Telecomm | ENCODING METHOD, DECODING METHOD, AND DEVICE USING THESE METHODS |
US9380307B2 (en) * | 2012-11-19 | 2016-06-28 | Qualcomm Incorporated | Method and system for intra base layer (BL) transform in video coding |
US9432109B2 (en) * | 2013-09-04 | 2016-08-30 | Gilat Satellite Networks Ltd. | Satellite communication terminal installation |
US10306229B2 (en) * | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
EP3750306A1 (en) | 2018-02-09 | 2020-12-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Partition-based intra coding concept |
US10986340B2 (en) | 2018-06-01 | 2021-04-20 | Qualcomm Incorporated | Coding adaptive multiple transform information for video coding |
US11218694B2 (en) | 2018-09-24 | 2022-01-04 | Qualcomm Incorporated | Adaptive multiple transform coding |
US20220248017A1 (en) | 2019-03-06 | 2022-08-04 | Electronics And Telecommunications Research Institute | Image encoding/decoding method and apparatus, and recording medium storing bitstream |
CN110392256B (zh) | 2019-03-09 | 2020-12-11 | 杭州海康威视数字技术股份有限公司 | 进行编码和解码的方法、编码端、解码端和*** |
-
2020
- 2020-03-11 US US16/815,920 patent/US11539952B2/en active Active
- 2020-03-12 MX MX2021010861A patent/MX2021010861A/es unknown
- 2020-03-12 CA CA3131886A patent/CA3131886A1/en active Pending
- 2020-03-12 WO PCT/US2020/022363 patent/WO2020186042A1/en active Application Filing
- 2020-03-12 BR BR112021017451A patent/BR112021017451A2/pt unknown
- 2020-03-12 AU AU2020235621A patent/AU2020235621A1/en active Pending
- 2020-03-12 CN CN202080018569.4A patent/CN113545053A/zh active Pending
- 2020-03-12 KR KR1020217028592A patent/KR20210135245A/ko unknown
- 2020-03-12 SG SG11202109072PA patent/SG11202109072PA/en unknown
- 2020-03-12 EP EP20717468.1A patent/EP3939280A1/en active Pending
- 2020-03-12 JP JP2021552915A patent/JP2022525024A/ja active Pending
- 2020-03-12 TW TW109108190A patent/TW202041017A/zh unknown
-
2021
- 2021-08-22 IL IL285755A patent/IL285755A/en unknown
- 2021-09-08 CO CONC2021/0011797A patent/CO2021011797A2/es unknown
- 2021-09-10 CL CL2021002369A patent/CL2021002369A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
SG11202109072PA (en) | 2021-09-29 |
CO2021011797A2 (es) | 2021-09-30 |
US11539952B2 (en) | 2022-12-27 |
CL2021002369A1 (es) | 2022-06-17 |
WO2020186042A1 (en) | 2020-09-17 |
US20200296370A1 (en) | 2020-09-17 |
IL285755A (en) | 2021-10-31 |
CA3131886A1 (en) | 2020-09-17 |
CN113545053A (zh) | 2021-10-22 |
KR20210135245A (ko) | 2021-11-12 |
TW202041017A (zh) | 2020-11-01 |
MX2021010861A (es) | 2021-10-22 |
AU2020235621A1 (en) | 2021-09-23 |
JP2022525024A (ja) | 2022-05-11 |
EP3939280A1 (en) | 2022-01-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112021017451A2 (pt) | Seleção de transformada implícita em codificação de vídeo | |
BR112015025439A2 (pt) | determinação de índices de paleta em codificação de vídeo baseada em paleta | |
BR112019006196A2 (pt) | filtros de interpolação melhorados para intrapredição em codificação de vídeo | |
BR112018077198A2 (pt) | sistemas e métodos para identificar conteúdos correspondentes | |
MX2023010008A (es) | Metodo y aparato de codificacion de datos de imagen y metodo y aparato de decodificacion de datos de imagen. | |
RU2014102961A (ru) | Сигнализация элементов синтаксиса для коэффициентов преобразования для поднаборов единицы кодирования на уровне листьев | |
BR112017025521A2 (pt) | codificação de dados com o uso de um modelo aprimorado de conversão em código aritmética binária adaptável a contexto (cabac) | |
BR112017001294A2 (pt) | codificador e decodificador de áudio utilizando um processador de domínio de frequência, um processador de domínio de tempo e um processador cruzado para inicialização contínua | |
EA201492098A1 (ru) | Кодирование и декодирование на основании смешивания последовательностей выборок с течением времени | |
BR112018006627A2 (pt) | modo de mesclagem de cópias intrabloco e preenchimento de região de referência de ibc não disponível | |
MY188166A (en) | Method and apparatus for transform coding with block-level transform selection and implicit signaling within hierarchical partitioning | |
BR112016014226A2 (pt) | Sistemas, métodos e aparelho para codificar formações de objeto | |
BR112018073052A2 (pt) | métodos e sistemas para gerar mensagens regionais de aninhamento para imagens de vídeo | |
UA107125C2 (uk) | Режими швидкого доступу до довільної точки для мережевої потокової передачі кодованих відеоданих | |
BR112020002317A8 (pt) | Método e aparelho para configurar uma transformada para compressão de vídeo | |
BR112015019049A2 (pt) | sinalização de informação de criação de áudio em uma sequência de bits | |
BR112015003406A8 (pt) | Método implementado por computador e sistema de computação | |
BR112015016052A2 (pt) | armazenamento de pista separado de vista de textura e profundidade para codificação multivista mais profundidade | |
BR112013016702A2 (pt) | codificação e decodificação de vídeo com resiliência de erro aprimoprada | |
BR112013004425A8 (pt) | Método de codificação de imagem, método de decodificação de imagem, dispositivo de codificação de imagem e dispositivo de decodificação de imagem | |
BR112022003656A2 (pt) | Método e aparelho de processamento de dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios | |
BR112013007612A2 (pt) | método e sistema de processamento de dados gráficos para transmissão para um dispositivo de computação remoto e meio de armazenagem legível por computador | |
EP3543842A3 (en) | Application configuration file generation method and apparatus, application page display method and apparatus and storage medium | |
BR112014026747A2 (pt) | identificação de conjuntos de parâmetro em arquivos de vídeo | |
BR112021020758A2 (pt) | Codificação de imagem usando índice de transformada |