BR112022005448A2 - Métodos implementados por codificador, e decodificador, dispositivos de codificação de vídeo, e de produto de computador - Google Patents
Métodos implementados por codificador, e decodificador, dispositivos de codificação de vídeo, e de produto de computadorInfo
- Publication number
- BR112022005448A2 BR112022005448A2 BR112022005448A BR112022005448A BR112022005448A2 BR 112022005448 A2 BR112022005448 A2 BR 112022005448A2 BR 112022005448 A BR112022005448 A BR 112022005448A BR 112022005448 A BR112022005448 A BR 112022005448A BR 112022005448 A2 BR112022005448 A2 BR 112022005448A2
- Authority
- BR
- Brazil
- Prior art keywords
- decoder
- encoder
- video encoding
- computer product
- bitstream
- 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
- H04N19/30—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
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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
- H04N19/134—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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
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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
- H04N19/134—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
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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
- H04N19/172—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 picture, frame or field
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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
- H04N19/184—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
- 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
- H04N19/187—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 scalable video layer
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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
- H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
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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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/43—Hardware specially adapted for motion estimation or compensation
- H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
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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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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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
- H04N19/46—Embedding additional information in the video signal during the compression process
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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)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
a presente invenção refere-se a: método implementado por codificador e decodificador; dispositivos (de codificação e decodificação e de produto de computador (meio de armazenamento). é descrito um mecanismo de codificação de vídeo. o mecanismo inclui codificar um fluxo de bits que compreende uma ou mais camadas de imagens codificadas. uma estrutura de sintaxe de parâmetros de decodificador de referência hipotético (hrd) é codificada no fluxo de bits. a estrutura de sintaxe dos parâmetros de hrd especifica que todas as camadas estão associadas a um mesmo número de cronogramas de distribuição de buffer de imagem codificado (cpb). um conjunto de testes de conformidade de fluxo de bits é executado nas camadas com base nos cronogramas de distribuição de cpb. o fluxo de bits é armazenado para comunicação a um decodificador.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962905244P | 2019-09-24 | 2019-09-24 | |
| PCT/US2020/049725 WO2021061389A1 (en) | 2019-09-24 | 2020-09-08 | Hrd parameters for layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112022005448A2 true BR112022005448A2 (pt) | 2022-06-21 |
Family
ID=75166788
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022005458A BR112022005458A2 (pt) | 2019-09-24 | 2020-09-08 | Dispositivos de codificação e de decodificação de vídeo, e de produto de computador, e métodos associados |
| BR112022005448A BR112022005448A2 (pt) | 2019-09-24 | 2020-09-08 | Métodos implementados por codificador, e decodificador, dispositivos de codificação de vídeo, e de produto de computador |
| BR112022005271A BR112022005271A2 (pt) | 2019-09-24 | 2020-09-08 | Método implementado por codificador, e codificador, e meio não transitório legível em computador |
| BR112022005527A BR112022005527A2 (pt) | 2019-09-24 | 2020-09-08 | Dispositivos de codificação e decodificação de vídeo, e de produto de computador, e método associado |
| BR112022005314A BR112022005314A2 (pt) | 2019-09-24 | 2020-09-08 | Método implementado por decodificador, dispositivos de codificação e de decodificação de vídeo, e meio não transitório legível em computador |
| BR112022005466A BR112022005466A2 (pt) | 2019-09-24 | 2020-09-08 | Dispositivos de codificação, e de decodificação de vídeo, e de produto de computador, e métodos associados |
| BR112022005402A BR112022005402A2 (pt) | 2019-09-24 | 2020-09-08 | Parâmetros de hrd de nível de sequência |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022005458A BR112022005458A2 (pt) | 2019-09-24 | 2020-09-08 | Dispositivos de codificação e de decodificação de vídeo, e de produto de computador, e métodos associados |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022005271A BR112022005271A2 (pt) | 2019-09-24 | 2020-09-08 | Método implementado por codificador, e codificador, e meio não transitório legível em computador |
| BR112022005527A BR112022005527A2 (pt) | 2019-09-24 | 2020-09-08 | Dispositivos de codificação e decodificação de vídeo, e de produto de computador, e método associado |
| BR112022005314A BR112022005314A2 (pt) | 2019-09-24 | 2020-09-08 | Método implementado por decodificador, dispositivos de codificação e de decodificação de vídeo, e meio não transitório legível em computador |
| BR112022005466A BR112022005466A2 (pt) | 2019-09-24 | 2020-09-08 | Dispositivos de codificação, e de decodificação de vídeo, e de produto de computador, e métodos associados |
| BR112022005402A BR112022005402A2 (pt) | 2019-09-24 | 2020-09-08 | Parâmetros de hrd de nível de sequência |
Country Status (12)
| Country | Link |
|---|---|
| US (7) | US20220217417A1 (pt) |
| EP (7) | EP4026314A4 (pt) |
| JP (9) | JP2022549643A (pt) |
| KR (6) | KR20220065868A (pt) |
| CN (21) | CN114503547B (pt) |
| AU (6) | AU2020352892A1 (pt) |
| BR (7) | BR112022005458A2 (pt) |
| CA (5) | CA3152322A1 (pt) |
| CL (5) | CL2022000708A1 (pt) |
| IL (1) | IL291689A (pt) |
| MX (5) | MX2022003561A (pt) |
| WO (7) | WO2021061386A1 (pt) |
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| EP4066499A4 (en) | 2019-12-27 | 2023-01-11 | ByteDance Inc. | SYNTAX FOR SIGNALING VIDEO IMAGES |
| JP7451723B2 (ja) | 2020-01-09 | 2024-03-18 | バイトダンス インコーポレイテッド | ビデオビットストリームにおける値範囲に対する制約 |
| CR20220589A (es) * | 2020-05-22 | 2023-04-26 | Ge Video Compression Llc | Codificador de video, decodificador de video, métodos para codificar y decodificar y flujo de datos de video para realizar conceptos avanzados de codificación de video |
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| CN114556957A (zh) * | 2019-08-29 | 2022-05-27 | Lg 电子株式会社 | 基于环路内滤波的视频编译设备和方法 |
| JP7423758B2 (ja) | 2019-09-06 | 2024-01-29 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 重み付き予測のための高レベルシグナリングの方法および装置 |
| BR112022005293A2 (pt) | 2019-09-19 | 2022-09-20 | Beijing Bytedance Network Tech Co Ltd | Método de processamento de vídeo, aparelho para processar dados de vídeo e meios de armazenamento e de gravação não transitórios legíveis por computador |
| AU2020323624A1 (en) | 2019-10-07 | 2022-04-28 | Huawei Technologies Co., Ltd. | Avoidance of redundant signaling in multi-layer video bitstreams |
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