BR112022005281A2 - Método e aparelho de processamento de sinal de vídeo usando processo de escala - Google Patents
Método e aparelho de processamento de sinal de vídeo usando processo de escalaInfo
- Publication number
- BR112022005281A2 BR112022005281A2 BR112022005281A BR112022005281A BR112022005281A2 BR 112022005281 A2 BR112022005281 A2 BR 112022005281A2 BR 112022005281 A BR112022005281 A BR 112022005281A BR 112022005281 A BR112022005281 A BR 112022005281A BR 112022005281 A2 BR112022005281 A2 BR 112022005281A2
- Authority
- BR
- Brazil
- Prior art keywords
- transform
- current block
- low
- separable
- frequency non
- Prior art date
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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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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
- H04N19/12—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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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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
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
- H04N19/169—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
- H04N19/174—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 slice, e.g. a line of blocks or a group of 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
- H04N19/169—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
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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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- 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
- H04N19/70—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
- H04N19/90—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)
- Image Processing (AREA)
Abstract
a presente divulgação refere-se a um método de processamento de um sinal de vídeo, o método de processamento compreendendo as etapas de: quando um sinalizador indicando aplicação de uma transformada não separável de baixa frequência indica que a transformada não separável de baixa frequência é aplicada a um bloco atual e um sinalizador de não uso de matriz de fator de escala indica não uso de uma matriz de escala no bloco atual, definindo todos os fatores incluídos em uma matriz de fator de escala intermediária como um valor predeterminado; escalar um coeficiente de transformada para o bloco atual na base da matriz de fator de escala intermediária; quando o sinalizador indica que a transformada não separável de baixa frequência é aplicada ao bloco atual, obtendo um resíduo para o bloco atual aplicando uma transformada inversa de uma transformada não separável e uma transformada inversa de uma transformada primária no coeficiente de transformada em escala, em que a transformada primária é uma transformada aplicada a um sinal residual de um domínio espacial antes da transformada não separável de baixa frequência; e reconstruir o bloco atual com base no resíduo e um preditor do bloco atual.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20190115656 | 2019-09-19 | ||
KR20200003951 | 2020-01-11 | ||
PCT/KR2020/012706 WO2021054797A1 (ko) | 2019-09-19 | 2020-09-21 | 스케일링 프로세스를 사용하는 비디오 신호 처리 방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112022005281A2 true BR112022005281A2 (pt) | 2022-06-14 |
BR112022005281A8 BR112022005281A8 (pt) | 2023-03-21 |
Family
ID=74884101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022005281A BR112022005281A8 (pt) | 2019-09-19 | 2020-09-21 | Método e aparelho de processamento de sinal de vídeo usando processo de escala |
Country Status (5)
Country | Link |
---|---|
US (1) | US12034945B2 (pt) |
KR (1) | KR20220077908A (pt) |
BR (1) | BR112022005281A8 (pt) |
MX (1) | MX2022003187A (pt) |
WO (1) | WO2021054797A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2022003187A (es) * | 2019-09-19 | 2022-05-20 | Humax Co Ltd | Metodo y aparato de procesamiento de se?ales de video usando proceso de escalamiento. |
WO2021158049A1 (ko) * | 2020-02-05 | 2021-08-12 | 엘지전자 주식회사 | 영상 정보 코딩에 대한 영상 디코딩 방법 및 그 장치 |
JP7323719B2 (ja) * | 2020-02-05 | 2023-08-08 | エルジー エレクトロニクス インコーポレイティド | 残差コーディングに関する画像デコード方法およびその装置 |
US20230142928A1 (en) * | 2020-04-02 | 2023-05-11 | Lg Electronics Inc. | Transform-based image coding method and device therefor |
WO2022071847A1 (en) * | 2020-09-29 | 2022-04-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Filter strength control for adaptive loop filtering |
WO2024035659A1 (en) * | 2022-08-06 | 2024-02-15 | Beijing Dajia Internet Information Technology Co., Ltd. | Fraction transform for video coding |
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JP3658036B2 (ja) * | 1994-06-03 | 2005-06-08 | キヤノン株式会社 | 画像入力システム及び画像入力システムの制御方法 |
US6891563B2 (en) * | 1996-05-22 | 2005-05-10 | Donnelly Corporation | Vehicular vision system |
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US7366595B1 (en) * | 1999-06-25 | 2008-04-29 | Seiko Epson Corporation | Vehicle drive assist system |
JP2002049403A (ja) * | 2000-08-07 | 2002-02-15 | Shin Caterpillar Mitsubishi Ltd | 建設機械における音声機体制御装置 |
KR100892269B1 (ko) * | 2001-06-15 | 2009-04-09 | 가부시키가이샤 고마쓰 세이사쿠쇼 | 건설기계 |
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MX2022003187A (es) * | 2019-09-19 | 2022-05-20 | Humax Co Ltd | Metodo y aparato de procesamiento de se?ales de video usando proceso de escalamiento. |
-
2020
- 2020-09-21 MX MX2022003187A patent/MX2022003187A/es unknown
- 2020-09-21 WO PCT/KR2020/012706 patent/WO2021054797A1/ko active Application Filing
- 2020-09-21 KR KR1020227008485A patent/KR20220077908A/ko unknown
- 2020-09-21 BR BR112022005281A patent/BR112022005281A8/pt unknown
-
2022
- 2022-03-17 US US17/655,354 patent/US12034945B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20220210451A1 (en) | 2022-06-30 |
KR20220077908A (ko) | 2022-06-09 |
MX2022003187A (es) | 2022-05-20 |
US12034945B2 (en) | 2024-07-09 |
BR112022005281A8 (pt) | 2023-03-21 |
CN114521326A (zh) | 2022-05-20 |
WO2021054797A1 (ko) | 2021-03-25 |
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Owner name: HUMAX CO., LTD. (KR) |