BR112023018889A2 - Modelagem de contexto para predição de sinais para codificação de vídeo - Google Patents
Modelagem de contexto para predição de sinais para codificação de vídeoInfo
- Publication number
- BR112023018889A2 BR112023018889A2 BR112023018889A BR112023018889A BR112023018889A2 BR 112023018889 A2 BR112023018889 A2 BR 112023018889A2 BR 112023018889 A BR112023018889 A BR 112023018889A BR 112023018889 A BR112023018889 A BR 112023018889A BR 112023018889 A2 BR112023018889 A2 BR 112023018889A2
- Authority
- BR
- Brazil
- Prior art keywords
- signal prediction
- context
- video coding
- context modeling
- encode
- Prior art date
Links
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
- H04N19/10—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
-
- 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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
-
- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/18—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 set of transform coefficients
-
- 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
- H04N19/184—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
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
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 |
|---|---|---|---|
| US202163167507P | 2021-03-29 | 2021-03-29 | |
| US17/656,319 US12418681B2 (en) | 2021-03-29 | 2022-03-24 | Context modeling for sign prediction for video coding |
| PCT/US2022/071346 WO2022213042A1 (en) | 2021-03-29 | 2022-03-25 | Context modeling for sign prediction for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023018889A2 true BR112023018889A2 (pt) | 2023-10-10 |
Family
ID=81308405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023018889A BR112023018889A2 (pt) | 2021-03-29 | 2022-03-25 | Modelagem de contexto para predição de sinais para codificação de vídeo |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20250365446A1 (https=) |
| EP (1) | EP4315855A1 (https=) |
| JP (1) | JP7767450B2 (https=) |
| KR (1) | KR20230157988A (https=) |
| AU (1) | AU2022246722A1 (https=) |
| BR (1) | BR112023018889A2 (https=) |
| CA (1) | CA3208104A1 (https=) |
| CL (1) | CL2023002816A1 (https=) |
| CO (1) | CO2023012260A2 (https=) |
| IL (1) | IL304267A (https=) |
| MX (1) | MX2023011286A (https=) |
| WO (1) | WO2022213042A1 (https=) |
| ZA (1) | ZA202307495B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118511519A (zh) * | 2022-01-07 | 2024-08-16 | 联发科技股份有限公司 | 变换编解码的信号 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10499059B2 (en) * | 2011-03-08 | 2019-12-03 | Velos Media, Llc | Coding of transform coefficients for video coding |
| US20190208225A1 (en) * | 2018-01-02 | 2019-07-04 | Qualcomm Incorporated | Sign prediction in video coding |
| MY208069A (en) * | 2018-03-07 | 2025-04-11 | Huawei Tech Co Ltd | Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction |
| KR102419112B1 (ko) * | 2018-03-07 | 2022-07-07 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 변환 도메인에서 잔차 부호 예측 방법 및 장치 |
| EP4385209A4 (en) * | 2021-08-17 | 2025-07-02 | Beijing Dajia Internet Information Tech Co Ltd | SIGN PREDICTION FOR BLOCK-BASED VIDEO CODING |
-
2022
- 2022-03-25 MX MX2023011286A patent/MX2023011286A/es unknown
- 2022-03-25 WO PCT/US2022/071346 patent/WO2022213042A1/en not_active Ceased
- 2022-03-25 BR BR112023018889A patent/BR112023018889A2/pt unknown
- 2022-03-25 JP JP2023557415A patent/JP7767450B2/ja active Active
- 2022-03-25 CA CA3208104A patent/CA3208104A1/en active Pending
- 2022-03-25 EP EP22716828.3A patent/EP4315855A1/en active Pending
- 2022-03-25 AU AU2022246722A patent/AU2022246722A1/en active Pending
- 2022-03-25 KR KR1020237032521A patent/KR20230157988A/ko active Pending
-
2023
- 2023-07-05 IL IL304267A patent/IL304267A/en unknown
- 2023-07-27 ZA ZA2023/07495A patent/ZA202307495B/en unknown
- 2023-09-18 CO CONC2023/0012260A patent/CO2023012260A2/es unknown
- 2023-09-22 CL CL2023002816A patent/CL2023002816A1/es unknown
-
2025
- 2025-08-06 US US19/292,316 patent/US20250365446A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022213042A1 (en) | 2022-10-06 |
| KR20230157988A (ko) | 2023-11-17 |
| JP2024512503A (ja) | 2024-03-19 |
| JP7767450B2 (ja) | 2025-11-11 |
| CL2023002816A1 (es) | 2024-01-26 |
| EP4315855A1 (en) | 2024-02-07 |
| US20250365446A1 (en) | 2025-11-27 |
| IL304267A (en) | 2023-09-01 |
| CA3208104A1 (en) | 2022-10-06 |
| AU2022246722A9 (en) | 2024-09-19 |
| ZA202307495B (en) | 2026-01-28 |
| AU2022246722A1 (en) | 2023-07-27 |
| TW202241131A (zh) | 2022-10-16 |
| MX2023011286A (es) | 2023-10-04 |
| CO2023012260A2 (es) | 2023-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0807465A8 (pt) | Método de decodificação de mídia digital, método de codificação de mídia digital, mídia de armazenamento legível por computador, dispositivo de decodificação e dispositivo de codificação | |
| BR112021024812A2 (pt) | Modelagem de contexto para sinalização de transformação não separável de baixa frequência para codificação de vídeo | |
| BR112021022343A8 (pt) | Sinalização de transformação não separável de baixa frequência baseada em padrões de zeragem para codificação de vídeo | |
| BR112014017379A8 (pt) | subsequências para processamento paralelo de frente de onda na codificação de vídeo | |
| BR112021023252A2 (pt) | Codificação de coeficiente para modo de pulo de transformada em codificação de vídeo | |
| BR112015000146A2 (pt) | método de codificação de imagem, método de decodificação de imagem, aparelho de codificação de imagem, aparelho de decodificação de imagem, aparelho de codificação e decodificação de imagem | |
| BR112014017500A8 (pt) | método para codificar e decodificar matriz quantizada e aparelho usando o mesmo | |
| BR112015010023A2 (pt) | cálculo de snr de conversor de complexidade reduzida | |
| MX2021012516A (es) | Codificacion de contexto para modo de salto de transformada. | |
| BR112021025357A2 (pt) | Extensões não lineares da filtragem adaptativa de laço para codificação de vídeo | |
| BR112013033645A2 (pt) | elementos de sintaxe de sinalização para coeficientes de transformada para subconjuntos de uma unidade de codificação de nível-folha | |
| BR112022019172A2 (pt) | Sinalização de índice de transformada não separável de baixa frequência em codificação de vídeo | |
| BR112014001462A2 (pt) | extensão de vídeo tridimensional de cabeçalho de fatia para predição de cabeçalho de fatia | |
| BR112014025419A8 (pt) | binários de desvio para codificação de índices de referência em codificação de vídeo | |
| BR112022014652A2 (pt) | Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo | |
| RU2017104514A (ru) | Кодер, декодер, система и способы кодирования и декодирования | |
| BR112015025439A2 (pt) | determinação de índices de paleta em codificação de vídeo baseada em paleta | |
| BR112023018889A2 (pt) | Modelagem de contexto para predição de sinais para codificação de vídeo | |
| ATE509347T1 (de) | Vorrichtung und verfahren zum codieren eines informationssignals | |
| MX2022001963A (es) | Codificador, decodificador, metodo de codificacion, y metodo de decodificacion. | |
| BR112023014075A2 (pt) | Compressão de índices de fluxo de bits para codificação por entropia paralela | |
| BR112024002242A2 (pt) | Método e aparelho de codificação e decodificação, codificador, decodificador, meio de armazenamento legível por computador, e produto de programa de computador | |
| MX2021002934A (es) | Fusion de flujos de bits. | |
| BR112022005047A2 (pt) | Um aparelho, um método e um programa de computador para codificação e decodificação de vídeo | |
| MX2020013276A (es) | Dispositivo de codificacion, metodo de codificacion, dispositivo de descodificacion y metodo de descodificacion. |