MX2024004358A - Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. - Google Patents
Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video.Info
- Publication number
- MX2024004358A MX2024004358A MX2024004358A MX2024004358A MX2024004358A MX 2024004358 A MX2024004358 A MX 2024004358A MX 2024004358 A MX2024004358 A MX 2024004358A MX 2024004358 A MX2024004358 A MX 2024004358A MX 2024004358 A MX2024004358 A MX 2024004358A
- Authority
- MX
- Mexico
- Prior art keywords
- current block
- video
- determining
- decoding method
- video decoding
- Prior art date
Links
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
- H04N19/10—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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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/03—Digital function generators working, at least partly, by table look-up
-
- 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
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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
- H04N19/30—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
- H04N19/42—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
- H04N19/423—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 characterised by memory arrangements
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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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Se proporcionan un método y un aparato de decodificación de vídeo que incluyen: en un proceso de codificación y decodificación de vídeo, determinar la información de paridad de un bloque actual basándose en una anchura y una altura del bloque actual; determinar una tabla de búsqueda del bloque actual de entre una pluralidad de tablas de búsqueda predefinidas basándose en la información de paridad; determinar un valor de escala de descuantificación del bloque actual basándose en la tabla de búsqueda del bloque actual; y realizar la descuantificación del bloque actual usando el valor de escala de descuantificación.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862725768P | 2018-08-31 | 2018-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2024004358A true MX2024004358A (es) | 2024-04-25 |
Family
ID=69642780
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021002185A MX2021002185A (es) | 2018-08-31 | 2019-08-30 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
| MX2024004359A MX2024004359A (es) | 2018-08-31 | 2021-02-24 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
| MX2024004357A MX2024004357A (es) | 2018-08-31 | 2021-02-24 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
| MX2024004369A MX2024004369A (es) | 2018-08-31 | 2021-02-24 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
| MX2024004358A MX2024004358A (es) | 2018-08-31 | 2021-02-24 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021002185A MX2021002185A (es) | 2018-08-31 | 2019-08-30 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
| MX2024004359A MX2024004359A (es) | 2018-08-31 | 2021-02-24 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
| MX2024004357A MX2024004357A (es) | 2018-08-31 | 2021-02-24 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
| MX2024004369A MX2024004369A (es) | 2018-08-31 | 2021-02-24 | Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. |
Country Status (8)
| Country | Link |
|---|---|
| US (5) | US11310503B2 (es) |
| EP (1) | EP3846470A4 (es) |
| KR (3) | KR102776449B1 (es) |
| CN (5) | CN112640456B (es) |
| AU (5) | AU2019332547B2 (es) |
| MX (5) | MX2021002185A (es) |
| PH (1) | PH12021550272A1 (es) |
| WO (1) | WO2020046053A1 (es) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8731051B1 (en) * | 2006-02-10 | 2014-05-20 | Nvidia Corporation | Forward and inverse quantization of data for video compression |
| JP2012104926A (ja) * | 2010-11-08 | 2012-05-31 | Oki Electric Ind Co Ltd | 量子化パラメータ制御装置、量子化パラメータ制御方法、及びプログラム |
| KR101712156B1 (ko) | 2010-12-06 | 2017-03-06 | 에스케이 텔레콤주식회사 | 임의의 형태의 블록을 이용한 인터예측에 의한 영상의 부호화/복호화 방법 및 장치 |
| BR112014005496A8 (pt) * | 2011-09-08 | 2022-07-05 | Motorola Mobility Llc | Métodos e aparelhos para quantificação e dequantificação de um bloco retangular de coeficientes |
| CN104902272B (zh) * | 2012-06-11 | 2017-09-01 | 三星电子株式会社 | 视频解码设备 |
| KR101419689B1 (ko) * | 2012-07-25 | 2014-07-16 | 한밭대학교 산학협력단 | H.264/avc 복호기에서 역양자화 및 역변환을 수행하는 복호화 장치 및 이를 이용한 복호화 방법 |
| US10136133B2 (en) * | 2014-11-11 | 2018-11-20 | Dolby Laboratories Licensing Corporation | Rate control adaptation for high-dynamic range images |
| KR102445668B1 (ko) * | 2016-06-01 | 2022-09-21 | 삼성전자주식회사 | 부호화 순서 부호화 방법 및 그 장치, 복호화 방법 및 그 장치 |
| EP3349452A1 (en) * | 2017-01-11 | 2018-07-18 | Thomson Licensing | Scaling of transform coefficients for non-dyadic transform blocks |
| CN110313179B (zh) * | 2017-01-31 | 2022-01-28 | 夏普株式会社 | 用于按比例缩放变换系数水平值的系统和方法 |
| KR101763111B1 (ko) * | 2017-02-24 | 2017-07-31 | 에스케이 텔레콤주식회사 | 다양한 형태의 블록 분할을 이용하는 영상 부호화/복호화 장치 및 방법 |
| US11202073B2 (en) * | 2018-09-19 | 2021-12-14 | Mediatek Inc. | Methods and apparatuses of quantization scaling of transform coefficients in video coding system |
| US10986339B2 (en) * | 2019-02-08 | 2021-04-20 | Tencent America LLC | Method and apparatus for harmonization between transform skip mode and multiple transform selection |
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2019
- 2019-08-30 CN CN201980056825.6A patent/CN112640456B/zh active Active
- 2019-08-30 EP EP19853501.5A patent/EP3846470A4/en not_active Withdrawn
- 2019-08-30 CN CN202410980097.0A patent/CN118984387A/zh active Pending
- 2019-08-30 AU AU2019332547A patent/AU2019332547B2/en active Active
- 2019-08-30 WO PCT/KR2019/011173 patent/WO2020046053A1/ko not_active Ceased
- 2019-08-30 CN CN202410980426.1A patent/CN118984388A/zh active Pending
- 2019-08-30 CN CN202410979900.9A patent/CN118984386A/zh active Pending
- 2019-08-30 CN CN202410979781.7A patent/CN118984385A/zh active Pending
- 2019-08-30 MX MX2021002185A patent/MX2021002185A/es unknown
- 2019-08-30 KR KR1020217038465A patent/KR102776449B1/ko active Active
- 2019-08-30 KR KR1020217003673A patent/KR102333181B1/ko active Active
- 2019-08-30 KR KR1020257006754A patent/KR20250037581A/ko active Pending
-
2021
- 2021-02-04 PH PH12021550272A patent/PH12021550272A1/en unknown
- 2021-02-12 US US17/175,152 patent/US11310503B2/en active Active
- 2021-02-24 MX MX2024004359A patent/MX2024004359A/es unknown
- 2021-02-24 MX MX2024004357A patent/MX2024004357A/es unknown
- 2021-02-24 MX MX2024004369A patent/MX2024004369A/es unknown
- 2021-02-24 MX MX2024004358A patent/MX2024004358A/es unknown
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2022
- 2022-04-18 US US17/723,265 patent/US11770531B2/en active Active
- 2022-04-18 US US17/723,102 patent/US11785217B2/en active Active
- 2022-04-18 US US17/723,229 patent/US11765354B2/en active Active
- 2022-04-18 US US17/723,132 patent/US11770530B2/en active Active
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2024
- 2024-09-02 AU AU2024216521A patent/AU2024216521A1/en active Pending
- 2024-09-02 AU AU2024216524A patent/AU2024216524A1/en active Pending
- 2024-09-02 AU AU2024216522A patent/AU2024216522A1/en active Pending
- 2024-09-02 AU AU2024216523A patent/AU2024216523A1/en active Pending
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