BR112021008731A2 - método de decodificação de vídeo e método de codificação de vídeo - Google Patents
método de decodificação de vídeo e método de codificação de vídeo Download PDFInfo
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- BR112021008731A2 BR112021008731A2 BR112021008731-1A BR112021008731A BR112021008731A2 BR 112021008731 A2 BR112021008731 A2 BR 112021008731A2 BR 112021008731 A BR112021008731 A BR 112021008731A BR 112021008731 A2 BR112021008731 A2 BR 112021008731A2
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- H—ELECTRICITY
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- 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
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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- 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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- 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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
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- 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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- 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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- H04N19/184—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 bits, e.g. of the compressed video stream
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- H—ELECTRICITY
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- 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
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- 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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20180136256 | 2018-11-08 | ||
| KR10-2018-0136256 | 2018-11-08 | ||
| KR20180148948 | 2018-11-27 | ||
| KR10-2018-0148948 | 2018-11-27 | ||
| PCT/KR2019/015097 WO2020096389A1 (ko) | 2018-11-08 | 2019-11-07 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021008731A2 true BR112021008731A2 (pt) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021008731-1A BR112021008731A2 (pt) | 2018-11-08 | 2019-11-07 | método de decodificação de vídeo e método de codificação de vídeo |
Country Status (19)
| Country | Link |
|---|---|
| US (5) | US11252405B2 (https=) |
| EP (3) | EP4221204B1 (https=) |
| JP (7) | JP7182705B2 (https=) |
| KR (1) | KR20200054105A (https=) |
| CN (9) | CN121967681A (https=) |
| AU (1) | AU2019375718B2 (https=) |
| BR (1) | BR112021008731A2 (https=) |
| CA (1) | CA3117933C (https=) |
| CL (1) | CL2021001206A1 (https=) |
| ES (1) | ES2948265T3 (https=) |
| IL (5) | IL326317A (https=) |
| MX (4) | MX2021005368A (https=) |
| MY (1) | MY205738A (https=) |
| PH (1) | PH12021550932A1 (https=) |
| PL (1) | PL3849184T3 (https=) |
| RU (1) | RU2766152C1 (https=) |
| SG (1) | SG11202104319VA (https=) |
| WO (1) | WO2020096389A1 (https=) |
| ZA (1) | ZA202102793B (https=) |
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| CN111083484B (zh) | 2018-10-22 | 2024-06-28 | 北京字节跳动网络技术有限公司 | 基于子块的预测 |
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| CN111436227B (zh) * | 2018-11-12 | 2024-03-29 | 北京字节跳动网络技术有限公司 | 在视频处理中使用组合帧间-帧内预测 |
| JP7182000B2 (ja) * | 2018-11-16 | 2022-12-01 | 北京字節跳動網絡技術有限公司 | インター－イントラ複合予測モードにおける重み |
| WO2020103877A1 (en) | 2018-11-20 | 2020-05-28 | Beijing Bytedance Network Technology Co., Ltd. | Coding and decoding of video coding modes |
| WO2020103852A1 (en) | 2018-11-20 | 2020-05-28 | Beijing Bytedance Network Technology Co., Ltd. | Difference calculation based on patial position |
| CN117528076A (zh) * | 2018-11-22 | 2024-02-06 | 北京字节跳动网络技术有限公司 | 用于具有几何分割的帧间预测的构建方法 |
| US20200169757A1 (en) * | 2018-11-23 | 2020-05-28 | Mediatek Inc. | Signaling For Multi-Reference Line Prediction And Multi-Hypothesis Prediction |
| KR102661224B1 (ko) * | 2018-11-26 | 2024-04-26 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 화상의 블록을 인트라 예측하는 방법 |
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| US11032574B2 (en) * | 2018-12-31 | 2021-06-08 | Tencent America LLC | Method and apparatus for video coding |
| CN113228634B (zh) | 2018-12-31 | 2025-10-17 | 交互数字Vc控股公司 | 组合的帧内及帧间预测 |
| WO2020171658A1 (ko) * | 2019-02-21 | 2020-08-27 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| KR102635518B1 (ko) | 2019-03-06 | 2024-02-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 변환된 단예측 후보의 사용 |
| JP7361522B2 (ja) * | 2019-08-05 | 2023-10-16 | 日本放送協会 | 予測ブロック生成装置、画像符号化装置、画像復号装置、及びプログラム |
| WO2021040037A1 (ja) * | 2019-08-29 | 2021-03-04 | 日本放送協会 | 符号化装置、復号装置、及びプログラム |
| JP7829113B2 (ja) * | 2019-12-26 | 2026-03-13 | ノキア テクノロジーズ オサケユイチア | Ｐｄｐｃを行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法 |
| US11212523B2 (en) * | 2020-01-12 | 2021-12-28 | Mediatek Inc. | Video processing methods and apparatuses of merge number signaling in video coding systems |
| CN113452997B (zh) * | 2020-03-25 | 2022-07-29 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置及其设备 |
| KR20230147149A (ko) * | 2021-02-22 | 2023-10-20 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 인트라 예측 방법, 인코더, 디코더 및 저장 매체 |
| US12323600B2 (en) * | 2021-03-10 | 2025-06-03 | Lemon Inc. | Resource constrained video encoding |
| US11876978B2 (en) * | 2021-08-31 | 2024-01-16 | Tencent America LLC | Intra prediction mode information propagation for geometric partition mode with IBC and intra prediction |
| US12003731B2 (en) * | 2021-09-29 | 2024-06-04 | Qualcomm Incorporated | Adaptive determination of multiple transform candidates for video coding |
| CN116405664B (zh) * | 2022-03-29 | 2024-10-11 | 杭州海康威视数字技术股份有限公司 | 图像编解码方法、装置、电子设备及存储介质 |
| WO2023224280A1 (ko) * | 2022-05-16 | 2023-11-23 | 현대자동차주식회사 | 혼합 성분간 예측을 사용하는 비디오 코딩을 위한 방법 및 장치 |
| US12587635B2 (en) * | 2022-06-17 | 2026-03-24 | Tencent America LLC | Affine merge mode with translational motion vectors |
| JP2025521765A (ja) * | 2022-07-08 | 2025-07-10 | オッポ広東移動通信有限公司 | イントラ予測融合方法、ビデオエンコーディング方法及び装置、ビデオデコーディング方法及び装置、並びにビデオコーディングシステム |
| US20240236348A9 (en) * | 2022-10-19 | 2024-07-11 | Tencent America LLC | Modified intra prediction fusion |
| CN120500849A (zh) * | 2023-01-03 | 2025-08-15 | Oppo广东移动通信有限公司 | 解码方法、编码方法、解码器和编码器 |
| WO2024191219A1 (ko) * | 2023-03-15 | 2024-09-19 | 현대자동차주식회사 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| JP2025055374A (ja) * | 2023-09-27 | 2025-04-08 | シャープ株式会社 | 動画像復号装置および動画像符号化装置 |
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