BR112023014624A2 - Derivação de diferença de vetor de movimento com base em modelo e previsão de correspondência de modelo para codificação de vídeo - Google Patents
Derivação de diferença de vetor de movimento com base em modelo e previsão de correspondência de modelo para codificação de vídeoInfo
- Publication number
- BR112023014624A2 BR112023014624A2 BR112023014624A BR112023014624A BR112023014624A2 BR 112023014624 A2 BR112023014624 A2 BR 112023014624A2 BR 112023014624 A BR112023014624 A BR 112023014624A BR 112023014624 A BR112023014624 A BR 112023014624A BR 112023014624 A2 BR112023014624 A2 BR 112023014624A2
- Authority
- BR
- Brazil
- Prior art keywords
- motion vector
- template
- vector difference
- current block
- video data
- Prior art date
Links
- 238000009795 derivation Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- 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
- H04N19/567—Motion estimation based on rate distortion criteria
-
- 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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- 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
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- H04N19/10—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
-
- 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
-
- 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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- 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
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
-
- 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
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163143585P | 2021-01-29 | 2021-01-29 | |
| US17/586,492 US12177475B2 (en) | 2021-01-29 | 2022-01-27 | Model-based motion vector difference derivation and template matching prediction for video coding |
| PCT/US2022/014280 WO2022165154A1 (en) | 2021-01-29 | 2022-01-28 | Model-based motion vector difference derivation and template matching prediction for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023014624A2 true BR112023014624A2 (pt) | 2023-10-31 |
Family
ID=80787170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023014624A BR112023014624A2 (pt) | 2021-01-29 | 2022-01-28 | Derivação de diferença de vetor de movimento com base em modelo e previsão de correspondência de modelo para codificação de vídeo |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20250080769A1 (https=) |
| EP (1) | EP4285594A1 (https=) |
| JP (1) | JP7830484B2 (https=) |
| KR (1) | KR20230135587A (https=) |
| BR (1) | BR112023014624A2 (https=) |
| WO (1) | WO2022165154A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12022085B2 (en) * | 2021-04-12 | 2024-06-25 | Qualcomm Incorporated | Template matching refinement in inter-prediction modes |
| US20240223776A1 (en) * | 2023-01-03 | 2024-07-04 | Alibaba (China) Co., Ltd. | Intra template matching prediction mode for motion prediction |
| KR20240114280A (ko) * | 2023-01-16 | 2024-07-23 | 주식회사 케이티 | 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체 |
| CN120548703A (zh) * | 2023-01-20 | 2025-08-26 | Oppo广东移动通信有限公司 | 编解码方法、码流、编码器、解码器以及存储介质 |
| WO2025198325A1 (ko) * | 2024-03-19 | 2025-09-25 | 가온그룹 주식회사 | 개선된 인트라 예측 구조를 이용한 비디오 부호화 및 복호화를 위한 방법 및 장치 |
| KR20250147642A (ko) * | 2024-04-04 | 2025-10-13 | 한국전자통신연구원 | 영상 부호화/복호화를 위한 방법 및 비트스트림을 저장하는 기록 매체 |
| CN120881282A (zh) | 2024-04-29 | 2025-10-31 | 瑞昱半导体股份有限公司 | 用于以有限硬件资源进行图像解压缩的方法、图像处理电路及电子设备 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210006355A (ko) * | 2018-05-07 | 2021-01-18 | 인터디지털 브이씨 홀딩스 인코포레이티드 | 인코딩/디코딩에서의 데이터 의존성 |
| US11930184B2 (en) * | 2019-03-08 | 2024-03-12 | Interdigital Ce Patent Holdings, Sas | Motion vector derivation in video encoding and decoding |
| BR112021025924A2 (pt) * | 2019-06-21 | 2022-02-22 | Huawei Tech Co Ltd | Codificador, decodificador e métodos correspondentes |
-
2022
- 2022-01-28 BR BR112023014624A patent/BR112023014624A2/pt unknown
- 2022-01-28 JP JP2023541798A patent/JP7830484B2/ja active Active
- 2022-01-28 WO PCT/US2022/014280 patent/WO2022165154A1/en not_active Ceased
- 2022-01-28 EP EP22704677.8A patent/EP4285594A1/en active Pending
- 2022-01-28 KR KR1020237025364A patent/KR20230135587A/ko active Pending
-
2024
- 2024-11-15 US US18/949,637 patent/US20250080769A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20230135587A (ko) | 2023-09-25 |
| JP7830484B2 (ja) | 2026-03-16 |
| WO2022165154A1 (en) | 2022-08-04 |
| EP4285594A1 (en) | 2023-12-06 |
| JP2024508216A (ja) | 2024-02-26 |
| US20250080769A1 (en) | 2025-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR112023014624A2 (pt) | Derivação de diferença de vetor de movimento com base em modelo e previsão de correspondência de modelo para codificação de vídeo | |
| BR122021008228A2 (pt) | método de decodificação de imagem realizado por um aparelho de decodificação, método de codificação de imagem realizado por um aparelho de codificação e mídia de armazenamento legível por computador não transitória | |
| BR112018073324A2 (pt) | candidatos à mistura para predição de vetor de movimento para codificação de vídeo | |
| BR112013029425A8 (pt) | Método de decodificação de imagem, método de codificação de imagem, dispositivo de decodificação de imagem, dispositivo de codificação de imagem, e dispositivo de codifica ção/decodificação de imagem | |
| BR112019006894A2 (pt) | sistemas e métodos para determinar adaptativamente o tamanho de modelo para compensação de iluminação | |
| MX2024012526A (es) | Método de codificación/decodificación de señal de imagen y aparato para ello | |
| SA517382337B1 (ar) | اشتقاق متجه الحركة في ترميز الفيديو | |
| BR112018067475A2 (pt) | método e aparelho de codificação de vídeo com compensação de movimento afim | |
| BR112021019675A2 (pt) | Método para processamento de mídia visual, aparelho codificador de vídeo, aparelho decodificador de vídeo, e, mídia legível por computador | |
| US20160295233A1 (en) | Method, apparatus and system for rapid motion search applied in template matching | |
| JP2022509024A5 (https=) | ||
| BR112013018949B8 (pt) | Método e aparelho de codificação para codificar uma imagem em um fluxo de bits | |
| MX2024002020A (es) | Metodo y dispositivo de codificacion/decodificacion de imagen. | |
| BR112017015890A2 (pt) | predição avançada do vetor de movimento temporal com base em unidade de subpredição | |
| RU2009107689A (ru) | Способ кодирования и способ декодирования изображений, устройство для этого, программы для него и носитель информации для хранения программ | |
| JP2017528984A5 (https=) | ||
| WO2020181456A1 (en) | Inter coding for adaptive resolution video coding | |
| BR112019006304A2 (pt) | codificação de vetor de movimento para codificação de vídeo | |
| BR102012013152A2 (pt) | aparelho de decodificaÇço de vÍdeo, aparelho de codificaÇço de vÍdeo, mÉtodo de decodificaÇço de vÍdeo, mÉtodo de codificaÇço de vÍdeo e meio de armazenamento | |
| JP2014527362A5 (https=) | ||
| BR112023005770A2 (pt) | Estimativa de movimento em compressão para geometria de nuvem de pontos | |
| BR112023012151A2 (pt) | Correspondência de modelos na codificação de vídeo | |
| JP2024038060A5 (https=) | ||
| US10425658B2 (en) | Image block-based matching method and system, and video processing device | |
| BR112023020254A2 (pt) | Correspondência de modelo baseado em predição afim para codificação de vídeo |