MX2021009888A - Un codificador, un decodificador y metodos correspondientes que utilizan codificacion intramodo para intraprediccion. - Google Patents
Un codificador, un decodificador y metodos correspondientes que utilizan codificacion intramodo para intraprediccion.Info
- Publication number
- MX2021009888A MX2021009888A MX2021009888A MX2021009888A MX2021009888A MX 2021009888 A MX2021009888 A MX 2021009888A MX 2021009888 A MX2021009888 A MX 2021009888A MX 2021009888 A MX2021009888 A MX 2021009888A MX 2021009888 A MX2021009888 A MX 2021009888A
- Authority
- MX
- Mexico
- Prior art keywords
- intra prediction
- ang
- prediction mode
- intra
- block
- 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
- H04N19/103—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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
- H04N19/134—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
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/10—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Se proporciona un método de codificación de predicción de un bloque actual implementado por un dispositivo de decodificación o un dispositivo de codificación, que comprende: obtener un modo de intrapredicción de un bloque vecino izquierdo del bloque actual; obtener un modo de intrapredicción de un bloque vecino por encima del bloque actual; construir una lista de Modos Más Probables, MPM, de modos de intrapredicción para el bloque actual, la lista MPM que comprende al menos 5 entradas de modos de intrapredicción de la siguiente manera: {ang, 2 + ((ang + 61) % 64), 2 + ((ang - 1) % 64), 2 + ((ang + 60) % 64), 2 + ((ang) % 64)} cuando se cumple al menos una primera condición, en donde la primera condición incluye que el modo de intrapredicción del bloque vecino izquierdo y el modo de intrapredicción del bloque vecino por encima son el mismo modo angular, y en donde ang representa el modo de intrapredicción del bloque vecino izquierdo o el modo de intrapredicción del bloque vecino por encima.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962810323P | 2019-02-25 | 2019-02-25 | |
| PCT/CN2020/076193 WO2020173399A1 (en) | 2019-02-25 | 2020-02-21 | An encoder, a decoder and corresponding methods using intra mode coding for intra prediction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021009888A true MX2021009888A (es) | 2021-09-14 |
Family
ID=72239080
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021009888A MX2021009888A (es) | 2019-02-25 | 2020-02-21 | Un codificador, un decodificador y metodos correspondientes que utilizan codificacion intramodo para intraprediccion. |
| MX2024011283A MX2024011283A (es) | 2019-02-25 | 2021-08-16 | Un codificador, un decodificador y metodos correspondientes que utilizan codificacion intramodo para intraprediccion. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2024011283A MX2024011283A (es) | 2019-02-25 | 2021-08-16 | Un codificador, un decodificador y metodos correspondientes que utilizan codificacion intramodo para intraprediccion. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US12348770B2 (es) |
| EP (2) | EP3912342B1 (es) |
| JP (3) | JP7267444B2 (es) |
| KR (2) | KR102770331B1 (es) |
| CN (5) | CN116320486A (es) |
| AU (2) | AU2020227859B2 (es) |
| CA (1) | CA3128913A1 (es) |
| ES (1) | ES2946058T3 (es) |
| HU (1) | HUE061648T2 (es) |
| MX (2) | MX2021009888A (es) |
| PL (1) | PL3912342T3 (es) |
| WO (1) | WO2020173399A1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889827B (zh) * | 2019-04-11 | 2021-01-29 | 腾讯科技（深圳）有限公司 | 帧内预测编码方法、装置、电子设备及计算机存储介质 |
| EP4329297A4 (en) * | 2021-04-22 | 2025-04-23 | LG Electronics Inc. | Intra-prediction method and device using a secondary MPM list |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10148953B2 (en) * | 2014-11-10 | 2018-12-04 | Samsung Electronics Co., Ltd. | System and method for intra prediction in video coding |
| US10448011B2 (en) * | 2016-03-18 | 2019-10-15 | Mediatek Inc. | Method and apparatus of intra prediction in image and video processing |
| US10547854B2 (en) | 2016-05-13 | 2020-01-28 | Qualcomm Incorporated | Neighbor based signaling of intra prediction modes |
| CN109565593B (zh) * | 2016-08-01 | 2023-07-04 | 韩国电子通信研究院 | 图像编码/解码方法和设备以及存储比特流的记录介质 |
| US11496747B2 (en) | 2017-03-22 | 2022-11-08 | Qualcomm Incorporated | Intra-prediction mode propagation |
| US10638161B2 (en) * | 2018-07-13 | 2020-04-28 | Tencent America LLC | Methods and apparatus for most probable mode derivation |
| CN112673629A (zh) * | 2018-09-03 | 2021-04-16 | 韩国电子通信研究院 | 视频编码/解码方法和装置以及用于存储比特流的记录介质 |
| KR102822624B1 (ko) * | 2018-10-05 | 2025-06-18 | 엘지전자 주식회사 | Mpm 리스트를 사용하는 인트라 예측 기반 영상 코딩 방법 및 그 장치 |
| CN117939122A (zh) * | 2018-10-07 | 2024-04-26 | 三星电子株式会社 | 用于编码或解码视频信号的视频信号处理方法和设备 |
| US11178396B2 (en) * | 2018-11-14 | 2021-11-16 | Tencent America LLC | Constrained intra prediction and unified most probable mode list generation |
| KR20200083315A (ko) * | 2018-12-28 | 2020-07-08 | 한국전자통신연구원 | 화면 내 예측 모드 유도 방법 및 장치 |
| CN118870034A (zh) * | 2019-02-19 | 2024-10-29 | 数码士有限公司 | 基于帧内预测的视频信号处理方法和设备 |
-
2020
- 2020-02-21 MX MX2021009888A patent/MX2021009888A/es unknown
- 2020-02-21 WO PCT/CN2020/076193 patent/WO2020173399A1/en active IP Right Grant
- 2020-02-21 CN CN202310208229.3A patent/CN116320486A/zh active Pending
- 2020-02-21 AU AU2020227859A patent/AU2020227859B2/en active Active
- 2020-02-21 EP EP20762968.4A patent/EP3912342B1/en active Active
- 2020-02-21 CN CN202110877584.0A patent/CN114007068B/zh active Active
- 2020-02-21 CN CN202310200619.6A patent/CN116647700A/zh active Pending
- 2020-02-21 CA CA3128913A patent/CA3128913A1/en active Pending
- 2020-02-21 EP EP23156741.3A patent/EP4203471A1/en active Pending
- 2020-02-21 CN CN202310200928.3A patent/CN116634174A/zh active Pending
- 2020-02-21 HU HUE20762968A patent/HUE061648T2/hu unknown
- 2020-02-21 CN CN202080011328.7A patent/CN113574870B/zh active Active
- 2020-02-21 PL PL20762968.4T patent/PL3912342T3/pl unknown
- 2020-02-21 KR KR1020217027121A patent/KR102770331B1/ko active Active
- 2020-02-21 ES ES20762968T patent/ES2946058T3/es active Active
- 2020-02-21 KR KR1020257004929A patent/KR20250026884A/ko active Pending
- 2020-02-21 JP JP2021549857A patent/JP7267444B2/ja active Active
-
2021
- 2021-08-16 MX MX2024011283A patent/MX2024011283A/es unknown
- 2021-08-20 US US17/407,517 patent/US12348770B2/en active Active
-
2023
- 2023-04-19 JP JP2023068786A patent/JP7521050B2/ja active Active
-
2024
- 2024-02-22 AU AU2024201152A patent/AU2024201152B2/en active Active
- 2024-07-10 JP JP2024111034A patent/JP2024150526A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20250026884A (ko) | 2025-02-25 |
| MX2024011283A (es) | 2024-09-26 |
| JP7521050B2 (ja) | 2024-07-23 |
| EP3912342B1 (en) | 2023-04-26 |
| KR102770331B1 (ko) | 2025-02-18 |
| JP2023100701A (ja) | 2023-07-19 |
| CN116320486A (zh) | 2023-06-23 |
| CN116634174A (zh) | 2023-08-22 |
| CN113574870B (zh) | 2023-02-10 |
| EP4203471A1 (en) | 2023-06-28 |
| AU2020227859B2 (en) | 2023-11-30 |
| JP2024150526A (ja) | 2024-10-23 |
| AU2024201152A1 (en) | 2024-03-14 |
| CN114007068A (zh) | 2022-02-01 |
| EP3912342A1 (en) | 2021-11-24 |
| KR20210113399A (ko) | 2021-09-15 |
| HUE061648T2 (hu) | 2023-07-28 |
| CN114007068B (zh) | 2022-12-13 |
| CA3128913A1 (en) | 2020-09-03 |
| AU2024201152B2 (en) | 2025-06-26 |
| EP3912342A4 (en) | 2022-08-03 |
| WO2020173399A1 (en) | 2020-09-03 |
| PL3912342T3 (pl) | 2023-07-17 |
| JP2022521980A (ja) | 2022-04-13 |
| CN116647700A (zh) | 2023-08-25 |
| US20210392373A1 (en) | 2021-12-16 |
| AU2020227859A1 (en) | 2021-08-26 |
| JP7267444B2 (ja) | 2023-05-01 |
| US12348770B2 (en) | 2025-07-01 |
| CN113574870A (zh) | 2021-10-29 |
| ES2946058T3 (es) | 2023-07-12 |
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