BR112022008304A2 - Método com base em transformada para imagem de codificação, e dispositivo para o mesmo - Google Patents
Método com base em transformada para imagem de codificação, e dispositivo para o mesmoInfo
- Publication number
- BR112022008304A2 BR112022008304A2 BR112022008304A BR112022008304A BR112022008304A2 BR 112022008304 A2 BR112022008304 A2 BR 112022008304A2 BR 112022008304 A BR112022008304 A BR 112022008304A BR 112022008304 A BR112022008304 A BR 112022008304A BR 112022008304 A2 BR112022008304 A2 BR 112022008304A2
- Authority
- BR
- Brazil
- Prior art keywords
- lfnst
- current block
- apply
- transformed
- same
- Prior art date
Links
- 230000009977 dual effect Effects 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
- H04N19/102—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
- H04N19/10—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
- H04N19/132—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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/18—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 set of transform coefficients
-
- 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
- H04N19/70—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
- H04N19/50—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)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
MÉTODO COM BASE EM TRANSFORMADA PARA IMAGEM DE CODIFICAÇÃO, E DISPOSITIVO PARA O MESMO. Um método para decodificar uma imagem de acordo com o presente documento pode compreender as etapas de: derivar um coeficiente de transformada modificado; verificar se o tipo de árvore para um bloco atual é um croma de árvore dupla; determinar se um modo de MIP se aplica ao bloco atual com base no bloco atual não sendo o croma de árvore dupla; determinar se uma largura de aplicação de LFNST e uma altura de aplicação de LFNST correspondente ao bloco atual são 16 ou mais, com base no modo de MIP sendo aplicado ao bloco atual; e analisar um índice de LFNST com base na largura de aplicação de LFNST e na altura de aplicação de LFNST sendo 16 ou mais.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962929762P | 2019-11-01 | 2019-11-01 | |
PCT/KR2020/015144 WO2021086152A1 (ko) | 2019-11-01 | 2020-11-02 | 변환에 기반한 영상 코딩 방법 및 그 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112022008304A2 true BR112022008304A2 (pt) | 2022-08-09 |
Family
ID=75716086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022008304A BR112022008304A2 (pt) | 2019-11-01 | 2020-11-02 | Método com base em transformada para imagem de codificação, e dispositivo para o mesmo |
Country Status (10)
Country | Link |
---|---|
US (1) | US20220256150A1 (pt) |
EP (1) | EP4044596A4 (pt) |
JP (1) | JP2023500297A (pt) |
KR (1) | KR20220070509A (pt) |
CN (1) | CN114762340A (pt) |
AU (2) | AU2020376712B2 (pt) |
BR (1) | BR112022008304A2 (pt) |
CA (1) | CA3159806A1 (pt) |
MX (1) | MX2022005197A (pt) |
WO (1) | WO2021086152A1 (pt) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006118288A1 (ja) * | 2005-05-03 | 2006-11-09 | Matsushita Electric Industrial Co., Ltd. | 動画像符号化方法、動画像復号化方法およびその装置 |
KR20110112168A (ko) * | 2010-04-05 | 2011-10-12 | 삼성전자주식회사 | 내부 비트뎁스 확장에 기반한 비디오 부호화 방법 및 그 장치, 내부 비트뎁스 확장에 기반한 비디오 복호화 방법 및 그 장치 |
KR101791158B1 (ko) * | 2010-07-16 | 2017-10-27 | 한국전자통신연구원 | 계층적 가변 블록 변환이 가능한 부호화 방법 및 장치 그리고 복호화 방법 및 장치 |
US10848788B2 (en) * | 2017-01-06 | 2020-11-24 | Qualcomm Incorporated | Multi-type-tree framework for video coding |
JP2022525469A (ja) * | 2019-03-17 | 2022-05-16 | ライトラボ・イメージング・インコーポレーテッド | 動脈の撮像・評価のシステム及び方法並びに関連するユーザインタフェースに基づくワークフロー |
US11212545B2 (en) * | 2019-06-07 | 2021-12-28 | Tencent America LLC | Method and apparatus for improved implicit transform selection |
KR20220082847A (ko) * | 2019-10-28 | 2022-06-17 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 색상 성분에 기초한 신택스 시그널링 및 파싱 |
-
2020
- 2020-11-02 AU AU2020376712A patent/AU2020376712B2/en active Active
- 2020-11-02 KR KR1020227014299A patent/KR20220070509A/ko unknown
- 2020-11-02 JP JP2022525461A patent/JP2023500297A/ja active Pending
- 2020-11-02 WO PCT/KR2020/015144 patent/WO2021086152A1/ko unknown
- 2020-11-02 MX MX2022005197A patent/MX2022005197A/es unknown
- 2020-11-02 BR BR112022008304A patent/BR112022008304A2/pt unknown
- 2020-11-02 CA CA3159806A patent/CA3159806A1/en active Pending
- 2020-11-02 CN CN202080083553.1A patent/CN114762340A/zh active Pending
- 2020-11-02 EP EP20881859.1A patent/EP4044596A4/en not_active Withdrawn
-
2022
- 2022-04-29 US US17/732,958 patent/US20220256150A1/en not_active Abandoned
-
2024
- 2024-04-03 AU AU2024202143A patent/AU2024202143A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2023500297A (ja) | 2023-01-05 |
CN114762340A (zh) | 2022-07-15 |
KR20220070509A (ko) | 2022-05-31 |
MX2022005197A (es) | 2022-07-04 |
AU2024202143A1 (en) | 2024-05-02 |
EP4044596A4 (en) | 2022-11-23 |
CA3159806A1 (en) | 2021-05-06 |
WO2021086152A1 (ko) | 2021-05-06 |
US20220256150A1 (en) | 2022-08-11 |
AU2020376712A1 (en) | 2022-06-16 |
AU2020376712B2 (en) | 2024-01-04 |
EP4044596A1 (en) | 2022-08-17 |
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Legal Events
Date | Code | Title | Description |
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B154 | Notification of filing of divisional application [chapter 15.50 patent gazette] |
Free format text: O PEDIDO FOI DIVIDIDO NO BR122023022807-3 PROTOCOLO 870230096418 EM 31/10/2023 13:14. |