MX2024010200A - Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. - Google Patents
Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo.Info
- Publication number
- MX2024010200A MX2024010200A MX2024010200A MX2024010200A MX2024010200A MX 2024010200 A MX2024010200 A MX 2024010200A MX 2024010200 A MX2024010200 A MX 2024010200A MX 2024010200 A MX2024010200 A MX 2024010200A MX 2024010200 A MX2024010200 A MX 2024010200A
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- 238000000034 method Methods 0.000 title abstract 2
- 239000011159 matrix material Substances 0.000 abstract 1
- 238000013139 quantization Methods 0.000 abstract 1
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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
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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
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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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
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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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
- H04N19/124—Quantisation
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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
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
- H04N19/169—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
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- 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
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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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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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
- H04N19/60—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
- H04N19/619—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the prediction loop
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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
- H04N19/12—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
- H04N19/134—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
- H04N19/60—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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
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Abstract
La presente invención se refiere a un método de decodificación de video de conformidad con el presente documento, caracterizado porque comprende: un paso para derivar coeficientes de transformación a través de cuantificación inversa con base en los coeficientes de transformación cuantificados para un bloque objetivo; un paso para derivar coeficientes de transformación modificados con base en una transformación secundaria reducida inversa (RST) de los coeficientes de transformación; y un paso para generar una imagen reconstruida con base en muestras residuales para el bloque objetivo con base en una transformación primaria inversa de los coeficientes de transformación modificados, en donde el RST inverso usando una matriz del núcleo de transformación se realiza en coeficientes de transformación de la región superior-izquierda 4x4 de una región 8x8 del bloque objetivo, y los coeficientes de transformación modificados de la región 4x4 superior-izquierda, región 4x4 superior-derecha, y región 4x4 inferior-izquierda de la región 8x8 se derivan a través del RST inverso.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862782294P | 2018-12-19 | 2018-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2024010200A true MX2024010200A (es) | 2024-08-26 |
Family
ID=71102584
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021007284A MX2021007284A (es) | 2018-12-19 | 2019-12-19 | Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. |
| MX2024010196A MX2024010196A (es) | 2018-12-19 | 2021-06-17 | Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. |
| MX2024010200A MX2024010200A (es) | 2018-12-19 | 2021-06-17 | Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. |
| MX2024010197A MX2024010197A (es) | 2018-12-19 | 2021-06-17 | Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021007284A MX2021007284A (es) | 2018-12-19 | 2019-12-19 | Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. |
| MX2024010196A MX2024010196A (es) | 2018-12-19 | 2021-06-17 | Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2024010197A MX2024010197A (es) | 2018-12-19 | 2021-06-17 | Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. |
Country Status (16)
| Country | Link |
|---|---|
| US (4) | US11310531B2 (es) |
| EP (2) | EP4294012A1 (es) |
| JP (3) | JP7171920B2 (es) |
| KR (1) | KR20210093892A (es) |
| CN (5) | CN116866597A (es) |
| AU (3) | AU2019404727B2 (es) |
| CA (2) | CA3224700A1 (es) |
| ES (1) | ES2954232T3 (es) |
| FI (1) | FI3879835T3 (es) |
| HR (1) | HRP20230852T1 (es) |
| HU (1) | HUE062775T2 (es) |
| MX (4) | MX2021007284A (es) |
| PL (1) | PL3879835T3 (es) |
| SI (1) | SI3879835T1 (es) |
| WO (1) | WO2020130661A1 (es) |
| ZA (1) | ZA202103932B (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112292857A (zh) * | 2018-06-11 | 2021-01-29 | 松下电器（美国）知识产权公司 | 编码装置、解码装置、编码方法和解码方法 |
| KR20210093891A (ko) | 2018-12-18 | 2021-07-28 | 엘지전자 주식회사 | 이차 변환에 기반한 영상 코딩 방법 및 그 장치 |
| US11102490B2 (en) * | 2018-12-31 | 2021-08-24 | Tencent America LLC | Coefficient scanning methods on adaptive angle mode |
| US11218728B2 (en) * | 2019-06-04 | 2022-01-04 | Tencent America LLC | Method and apparatus for video coding |
| US11212545B2 (en) | 2019-06-07 | 2021-12-28 | Tencent America LLC | Method and apparatus for improved implicit transform selection |
| WO2022057599A1 (zh) * | 2020-09-17 | 2022-03-24 | 华为技术有限公司 | 极化码的编码方法和译码方法、及编码装置和译码装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102045560B (zh) * | 2009-10-23 | 2013-08-07 | 华为技术有限公司 | 一种视频编解码方法及设备 |
| US9432696B2 (en) * | 2014-03-17 | 2016-08-30 | Qualcomm Incorporated | Systems and methods for low complexity forward transforms using zeroed-out coefficients |
| EP3222044A1 (en) | 2014-11-21 | 2017-09-27 | VID SCALE, Inc. | One-dimensional transform modes and coefficient scan order |
| US10491922B2 (en) * | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
| US10200715B2 (en) * | 2016-02-17 | 2019-02-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and devices for encoding and decoding video pictures |
| JP2019525577A (ja) | 2016-07-18 | 2019-09-05 | エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュートＥｌｅｃｔｒｏｎｉｃｓ Ａｎｄ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ | 画像符号化／復号方法、装置、及び、ビットストリームを保存した記録媒体 |
| CN118214877A (zh) * | 2016-11-28 | 2024-06-18 | 韩国电子通信研究院 | 对图像编码/解码的方法和设备及存储比特流的记录介质 |
| CN110546952A (zh) | 2017-03-21 | 2019-12-06 | Lg电子株式会社 | 图像编码系统中的变换方法和用于该变换方法的设备 |
| US10567801B2 (en) | 2018-03-07 | 2020-02-18 | Tencent America LLC | Method and apparatus for video coding with primary and secondary transforms |
| CN112567745B (zh) | 2018-03-29 | 2024-09-06 | 弗劳恩霍夫应用研究促进协会 | 用于视频编码的候选变换集合的确定 |
| JP7055879B2 (ja) | 2018-09-05 | 2022-04-18 | エルジー エレクトロニクス インコーポレイティド | ビデオ信号の符号化／復号方法及びそのための装置 |
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2019
- 2019-12-19 ES ES19900872T patent/ES2954232T3/es active Active
- 2019-12-19 EP EP23186884.5A patent/EP4294012A1/en active Pending
- 2019-12-19 EP EP19900872.3A patent/EP3879835B1/en active Active
- 2019-12-19 SI SI201930600T patent/SI3879835T1/sl unknown
- 2019-12-19 AU AU2019404727A patent/AU2019404727B2/en active Active
- 2019-12-19 WO PCT/KR2019/018071 patent/WO2020130661A1/ko active Application Filing
- 2019-12-19 FI FIEP19900872.3T patent/FI3879835T3/fi active
- 2019-12-19 PL PL19900872.3T patent/PL3879835T3/pl unknown
- 2019-12-19 JP JP2021533297A patent/JP7171920B2/ja active Active
- 2019-12-19 CA CA3224700A patent/CA3224700A1/en active Pending
- 2019-12-19 KR KR1020217014536A patent/KR20210093892A/ko not_active Application Discontinuation
- 2019-12-19 HR HRP20230852TT patent/HRP20230852T1/hr unknown
- 2019-12-19 CN CN202311017197.5A patent/CN116866597A/zh active Pending
- 2019-12-19 MX MX2021007284A patent/MX2021007284A/es unknown
- 2019-12-19 CN CN202311016018.6A patent/CN116866596A/zh active Pending
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- 2019-12-19 CA CA3123193A patent/CA3123193C/en active Active
- 2019-12-19 HU HUE19900872A patent/HUE062775T2/hu unknown
- 2019-12-19 CN CN201980084783.7A patent/CN113273214B/zh active Active
- 2019-12-19 CN CN202311020961.4A patent/CN116939217A/zh active Pending
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2021
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- 2021-06-17 MX MX2024010196A patent/MX2024010196A/es unknown
- 2021-06-17 US US17/350,790 patent/US11310531B2/en active Active
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- 2022-02-04 US US17/592,768 patent/US11582486B2/en active Active
- 2022-11-01 JP JP2022175392A patent/JP7455177B2/ja active Active
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2023
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- 2023-05-16 AU AU2023203062A patent/AU2023203062B2/en active Active
- 2023-11-15 AU AU2023266306A patent/AU2023266306A1/en active Pending
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- 2024-03-12 JP JP2024038124A patent/JP2024060047A/ja active Pending
- 2024-03-20 US US18/611,214 patent/US20240244262A1/en active Pending
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