CL2021000527A1 - Método y dispositivo de codificación / decodificación de imágenes utilizando intra predicción - Google Patents
Método y dispositivo de codificación / decodificación de imágenes utilizando intra predicciónInfo
- Publication number
- CL2021000527A1 CL2021000527A1 CL2021000527A CL2021000527A CL2021000527A1 CL 2021000527 A1 CL2021000527 A1 CL 2021000527A1 CL 2021000527 A CL2021000527 A CL 2021000527A CL 2021000527 A CL2021000527 A CL 2021000527A CL 2021000527 A1 CL2021000527 A1 CL 2021000527A1
- Authority
- CL
- Chile
- Prior art keywords
- intra prediction
- decoding method
- image encoding
- intra
- current block
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 abstract 2
- 239000013074 reference sample Substances 0.000 abstract 2
- 238000003672 processing method Methods 0.000 abstract 1
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
-
- 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
-
- 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
- H04N19/124—Quantisation
-
- 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
-
- 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
- H04N19/176—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
- H04N19/50—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
- H04N19/90—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20180107255 | 2018-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2021000527A1 true CL2021000527A1 (es) | 2021-08-20 |
Family
ID=69722959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2021000527A CL2021000527A1 (es) | 2018-09-07 | 2021-03-03 | Método y dispositivo de codificación / decodificación de imágenes utilizando intra predicción |
Country Status (16)
| Country | Link |
|---|---|
| US (6) | US11477439B2 (enExample) |
| EP (1) | EP3833021A4 (enExample) |
| JP (5) | JP7448526B2 (enExample) |
| KR (1) | KR20200028856A (enExample) |
| CN (6) | CN120786059A (enExample) |
| AU (5) | AU2019336038B2 (enExample) |
| BR (1) | BR112021004024A2 (enExample) |
| CA (1) | CA3111982C (enExample) |
| CL (1) | CL2021000527A1 (enExample) |
| IL (5) | IL314758B2 (enExample) |
| MX (5) | MX2021002608A (enExample) |
| MY (1) | MY207879A (enExample) |
| PH (1) | PH12021550480A1 (enExample) |
| SG (1) | SG11202102238SA (enExample) |
| WO (1) | WO2020050684A1 (enExample) |
| ZA (1) | ZA202101569B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11425416B2 (en) | 2018-12-07 | 2022-08-23 | Samsung Electronics Co., Ltd. | Video decoding method and device, and video encoding method and device |
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| WO2020060329A1 (ko) | 2018-09-21 | 2020-03-26 | 주식회사 엑스리스 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
| PL4224850T3 (pl) | 2018-09-21 | 2024-09-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Sposób i aparat do kodowania i dekodowania sygnału wideo |
| AU2019358651B2 (en) | 2018-10-12 | 2025-01-09 | Guangdong Oppo Mobile Telecommunications Corp. , Ltd. | Method for encoding/decoding image signal and device for same |
| EP3829167B1 (en) | 2018-12-25 | 2024-07-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Decoding prediction method and apparatus, and computer storage medium |
| WO2020192180A1 (zh) * | 2019-03-25 | 2020-10-01 | Oppo广东移动通信有限公司 | 图像分量的预测方法、编码器、解码器及计算机存储介质 |
| JP7299341B2 (ja) * | 2019-04-12 | 2023-06-27 | 北京字節跳動網絡技術有限公司 | ビデオ処理方法、装置、記憶媒体、及び記憶方法 |
| CN113748676B (zh) | 2019-04-16 | 2024-05-10 | 北京字节跳动网络技术有限公司 | 帧内编解码模式下的矩阵推导 |
| CN117097912A (zh) | 2019-05-01 | 2023-11-21 | 北京字节跳动网络技术有限公司 | 基于矩阵的帧内预测的上下文编码 |
| KR102736164B1 (ko) | 2019-05-01 | 2024-12-03 | 두인 비전 컴퍼니 리미티드 | 필터링을 이용한 행렬 기반 인트라 예측 |
| KR102698314B1 (ko) | 2019-05-22 | 2024-08-26 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 업샘플링을 이용한 행렬 기반 인트라 예측 |
| WO2020239018A1 (en) | 2019-05-31 | 2020-12-03 | Beijing Bytedance Network Technology Co., Ltd. | Restricted upsampling process in matrix-based intra prediction |
| CN119254991A (zh) * | 2019-06-03 | 2025-01-03 | Lg电子株式会社 | 图像解码设备、图像编码设备和用于发送的设备 |
| JP2022534320A (ja) | 2019-06-05 | 2022-07-28 | 北京字節跳動網絡技術有限公司 | マトリクスベースイントラ予測のためのコンテキスト決定 |
| JP7404526B2 (ja) | 2019-10-28 | 2023-12-25 | 北京字節跳動網絡技術有限公司 | カラーコンポーネントに基づくシンタックスシグナリング及び構文解析 |
| WO2022186620A1 (ko) * | 2021-03-04 | 2022-09-09 | 현대자동차주식회사 | 인트라 예측의 예측 신호를 개선하는 비디오 코딩방법 및 장치 |
| CN117426088A (zh) * | 2021-09-17 | 2024-01-19 | Oppo广东移动通信有限公司 | 视频编解码方法、设备、系统、及存储介质 |
| CN118923115A (zh) * | 2022-04-14 | 2024-11-08 | 联发科技股份有限公司 | 基于区域的隐式帧内模式推导和预测 |
| KR20250003584A (ko) * | 2022-04-20 | 2025-01-07 | 엘지전자 주식회사 | Cccm(convolutional cross-component model) 예측에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체 |
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| JP7299341B2 (ja) | 2019-04-12 | 2023-06-27 | 北京字節跳動網絡技術有限公司 | ビデオ処理方法、装置、記憶媒体、及び記憶方法 |
| CN118118663A (zh) | 2019-04-16 | 2024-05-31 | Lg电子株式会社 | 解码设备、编码设备和发送设备 |
| CN113826393B (zh) | 2019-05-03 | 2024-08-23 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
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2019
- 2019-09-05 KR KR1020190110217A patent/KR20200028856A/ko not_active Ceased
- 2019-09-06 AU AU2019336038A patent/AU2019336038B2/en active Active
- 2019-09-06 MY MYPI2021001129A patent/MY207879A/en unknown
- 2019-09-06 EP EP19858139.9A patent/EP3833021A4/en not_active Ceased
- 2019-09-06 CA CA3111982A patent/CA3111982C/en active Active
- 2019-09-06 CN CN202511175061.6A patent/CN120786059A/zh active Pending
- 2019-09-06 IL IL314758A patent/IL314758B2/en unknown
- 2019-09-06 BR BR112021004024-2A patent/BR112021004024A2/pt unknown
- 2019-09-06 IL IL318996A patent/IL318996A/en unknown
- 2019-09-06 CN CN202110462138.3A patent/CN113225557B/zh active Active
- 2019-09-06 CN CN201980056309.3A patent/CN112806001A/zh active Pending
- 2019-09-06 CN CN202511175844.4A patent/CN120751122A/zh active Pending
- 2019-09-06 WO PCT/KR2019/011554 patent/WO2020050684A1/ko not_active Ceased
- 2019-09-06 IL IL318995A patent/IL318995A/en unknown
- 2019-09-06 SG SG11202102238SA patent/SG11202102238SA/en unknown
- 2019-09-06 IL IL318997A patent/IL318997A/en unknown
- 2019-09-06 MX MX2021002608A patent/MX2021002608A/es unknown
- 2019-09-06 IL IL281221A patent/IL281221B2/en unknown
- 2019-09-06 CN CN202310429492.5A patent/CN116389742B/zh active Active
- 2019-09-06 JP JP2021512701A patent/JP7448526B2/ja active Active
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11425416B2 (en) | 2018-12-07 | 2022-08-23 | Samsung Electronics Co., Ltd. | Video decoding method and device, and video encoding method and device |
| US11943469B2 (en) | 2018-12-07 | 2024-03-26 | Samsung Electronics Co., Ltd. | Video decoding method and device, and video encoding method and device |
| US12335513B2 (en) | 2018-12-07 | 2025-06-17 | Samsung Electronics Co., Ltd. | Video decoding method and device, and video encoding method and device |
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