CL2020002481A1 - Método y dispositivo de codificación/decodificación de imagen - Google Patents
Método y dispositivo de codificación/decodificación de imagenInfo
- Publication number
- CL2020002481A1 CL2020002481A1 CL2020002481A CL2020002481A CL2020002481A1 CL 2020002481 A1 CL2020002481 A1 CL 2020002481A1 CL 2020002481 A CL2020002481 A CL 2020002481A CL 2020002481 A CL2020002481 A CL 2020002481A CL 2020002481 A1 CL2020002481 A1 CL 2020002481A1
- Authority
- CL
- Chile
- Prior art keywords
- reference pixel
- accordance
- present
- decoding method
- image encoding
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
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
- H04N19/105—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
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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
- H04N19/124—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
- H04N19/169—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
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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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
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
-
- 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
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
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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
- H04N19/70—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
La presente invención se refiere a un método de predicción de imagen de conformidad con la presente invención que puede comprender: identificar una región de píxel de referencia diseñada para obtener información de correlación; determinar una configuración de procesamiento de píxel de referencia con base en la determinación de la disponibilidad de la región del píxel de referencia; y realizar intra predicción de conformidad con el procesamiento de píxel de referencia determinado. Como se describe anteriormente, realizar intra predicción con base en la disponibilidad de un píxel de referencia de conformidad con la presente invención, puede mejorar el desempeño de codificación.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20180034174 | 2018-03-25 | ||
| KR20180034882 | 2018-03-27 | ||
| KR20180085679 | 2018-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2020002481A1 true CL2020002481A1 (es) | 2021-02-05 |
Family
ID=68062305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2020002481A CL2020002481A1 (es) | 2018-03-25 | 2020-09-25 | Método y dispositivo de codificación/decodificación de imagen |
Country Status (15)
| Country | Link |
|---|---|
| US (11) | US11438577B2 (es) |
| EP (2) | EP4676055A3 (es) |
| JP (12) | JP2021523586A (es) |
| CN (11) | CN118250461A (es) |
| AU (7) | AU2019241823B2 (es) |
| CA (7) | CA3251171A1 (es) |
| CL (1) | CL2020002481A1 (es) |
| MX (3) | MX2020009968A (es) |
| NZ (2) | NZ769216A (es) |
| PE (2) | PE20211000A1 (es) |
| PH (1) | PH12020551398A1 (es) |
| RU (1) | RU2752009C1 (es) |
| SG (1) | SG11202009298TA (es) |
| WO (1) | WO2019190140A1 (es) |
| ZA (3) | ZA202005774B (es) |
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| CN118250461A (zh) | 2018-03-25 | 2024-06-25 | 有限公司B1影像技术研究所 | 图像编码/解码方法、记录介质和传输比特流的方法 |
| CA3103654C (en) * | 2018-06-15 | 2023-09-26 | Huawei Technologies Co., Ltd. | Method and apparatus for intra prediction |
| KR102763042B1 (ko) | 2018-06-29 | 2025-02-04 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 인트라-예측을 위한 디바이스 및 방법 |
| JP7410033B2 (ja) * | 2018-08-20 | 2024-01-09 | 日本放送協会 | 符号化装置、復号装置及びプログラム |
| KR102916941B1 (ko) * | 2018-09-21 | 2026-01-23 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
| WO2020084472A1 (en) * | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Affine mode parameter inheritance or prediction |
| AU2019416633B2 (en) | 2018-12-28 | 2025-05-08 | B1 Institute Of Image Technology, Inc. | Intra prediction-based video encoding/decoding method and device |
| WO2021136508A1 (en) * | 2019-12-31 | 2021-07-08 | Beijing Bytedance Network Technology Co., Ltd. | Inter-prediction with multiple-parameter model |
| CN114531598B (zh) * | 2020-11-06 | 2025-06-03 | 深圳Tcl数字技术有限公司 | 图像的压缩方法、装置、智能终端及计算机可读存储介质 |
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| WO2024011140A2 (en) * | 2022-07-06 | 2024-01-11 | Bytedance Inc. | Method, apparatus, and medium for video processing |
| US12238335B2 (en) | 2023-04-18 | 2025-02-25 | Nvidia Corporation | Efficient sub-pixel motion vector search for high-performance video encoding |
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| CN121420531A (zh) * | 2023-06-28 | 2026-01-27 | 杜比实验室特许公司 | 视频编码中的帧内仿射预测 |
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2019
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