BR112022005517A2 - Dispositvos de codificação e de decodificação de vídeo, de produto de computador (meio de armazenamento); e métodos associados - Google Patents
Dispositvos de codificação e de decodificação de vídeo, de produto de computador (meio de armazenamento); e métodos associadosInfo
- Publication number
- BR112022005517A2 BR112022005517A2 BR112022005517A BR112022005517A BR112022005517A2 BR 112022005517 A2 BR112022005517 A2 BR 112022005517A2 BR 112022005517 A BR112022005517 A BR 112022005517A BR 112022005517 A BR112022005517 A BR 112022005517A BR 112022005517 A2 BR112022005517 A2 BR 112022005517A2
- Authority
- BR
- Brazil
- Prior art keywords
- video
- layers
- vps
- storage medium
- associated methods
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 6
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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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
-
- 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
- H04N19/10—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
-
- 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
-
- 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
- H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
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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
-
- 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
-
- 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)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
dispositvos de codificação e de decodificação de vídeo, de produto de computador (meio de armazenamento); e métodos associados. a presente invenção refere-se a dispositivos de (codificação e decodificação) de vídeo; de produto de computador (meio de armazenamento)) e métodos associados. o método incluir receber, pelo decodificador de vídeo, um fluxo de bits de vídeo incluindo um conjunto de parâmetros de vídeo (vps) e uma pluralidade de camadas, onde cada camada está incluída em pelo menos um conjunto de camadas de saída (ols) especificado pelo vps; e decodificar, pelo decodificador de vídeo, uma imagem de uma pluralidade de camadas. um método de codificação é também provido. o método de codificação inclui gerar, pelo codificador de vídeo, uma pluralidade de camadas e um conjunto de parâmetros de vídeo (vps) especificando um ou mais conjuntos de camada de saída (olss), em que cada camada da pluralidade de camadas está incluída em pelo menos um dos olss especificados pelo vps; codificar, pelo codificador de vídeo, a pluralidade de camadas e o vps em um fluxo de bits de vídeo; e armazenar, pelo codificador de vídeo, o fluxo de bits de vídeo para comunicação com um decodificador de vídeo.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962905136P | 2019-09-24 | 2019-09-24 | |
| PCT/US2020/050904 WO2021061453A1 (en) | 2019-09-24 | 2020-09-15 | Disallowing unused layers in multi-layer video bitstreams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112022005517A2 true BR112022005517A2 (pt) | 2022-06-21 |
Family
ID=75166799
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022005517A BR112022005517A2 (pt) | 2019-09-24 | 2020-09-15 | Dispositvos de codificação e de decodificação de vídeo, de produto de computador (meio de armazenamento); e métodos associados |
| BR112022005444A BR112022005444A2 (pt) | 2019-09-24 | 2020-09-15 | Desabilitação de camadas desnecessárias em sequências de bits de vídeo de múltiplas camadas |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022005444A BR112022005444A2 (pt) | 2019-09-24 | 2020-09-15 | Desabilitação de camadas desnecessárias em sequências de bits de vídeo de múltiplas camadas |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US20220217384A1 (pt) |
| EP (2) | EP4022918A4 (pt) |
| JP (4) | JP7381731B2 (pt) |
| KR (2) | KR20220065061A (pt) |
| CN (8) | CN117596403A (pt) |
| AU (2) | AU2020352905A1 (pt) |
| BR (2) | BR112022005517A2 (pt) |
| CA (2) | CA3155637A1 (pt) |
| CL (1) | CL2022000715A1 (pt) |
| MX (2) | MX2022003564A (pt) |
| WO (2) | WO2021061453A1 (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11109069B2 (en) * | 2019-09-20 | 2021-08-31 | Tencent America LLC | Signaling of scalability parameters in video bitstream |
| KR20220115958A (ko) | 2019-12-26 | 2022-08-19 | 바이트댄스 아이엔씨 | 코딩된 비트스트림들에서의 비디오 계층들의 시그널링에 대한 제약들 |
| WO2021134018A1 (en) | 2019-12-26 | 2021-07-01 | Bytedance Inc. | Signaling of decoded picture buffer parameters in layered video |
| JP2023508680A (ja) | 2019-12-27 | 2023-03-03 | バイトダンス インコーポレイテッド | ビデオコーディングにおけるサブピクチャシグナリング |
| WO2021142369A1 (en) | 2020-01-09 | 2021-07-15 | Bytedance Inc. | Signalling of the wavefront parallel processing |
| KR20230023709A (ko) * | 2020-06-03 | 2023-02-17 | 엘지전자 주식회사 | 영상/비디오 코딩 시스템에서 일반 제한 정보를 처리하는 방법 및 장치 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101282190B1 (ko) * | 2009-12-11 | 2013-07-04 | 한국전자통신연구원 | 적응형 보안 정책 기반의 스케일러블 영상 서비스 방법 및 장치 |
| US20140003534A1 (en) * | 2012-07-02 | 2014-01-02 | Sony Corporation | Video coding system with temporal scalability and method of operation thereof |
| US9467700B2 (en) * | 2013-04-08 | 2016-10-11 | Qualcomm Incorporated | Non-entropy encoded representation format |
| WO2015009693A1 (en) * | 2013-07-15 | 2015-01-22 | Sony Corporation | Layer based hrd buffer management for scalable hevc |
| US20170019673A1 (en) * | 2014-03-14 | 2017-01-19 | Sharp Kabushiki Kaisha | Image decoding device, image decoding method, recoding medium, image coding device, and image coding method |
| US9807406B2 (en) * | 2014-03-17 | 2017-10-31 | Qualcomm Incorporated | Picture flushing and decoded picture buffer parameter inference for multi-layer bitstreams |
| JP2015195543A (ja) | 2014-03-26 | 2015-11-05 | シャープ株式会社 | 画像復号装置、画像符号化装置 |
| US10063867B2 (en) * | 2014-06-18 | 2018-08-28 | Qualcomm Incorporated | Signaling HRD parameters for bitstream partitions |
| US9756355B2 (en) * | 2014-06-20 | 2017-09-05 | Qualcomm Incorporated | Value ranges for syntax elements in video coding |
| US11677967B2 (en) * | 2015-04-21 | 2023-06-13 | Arris Enterprises Llc | Scalable video coding system with parameter signaling |
| US10034010B2 (en) * | 2015-10-14 | 2018-07-24 | Qualcomm Incorporated | Alignment of operation point sample group in multi-layer bitstreams file format |
| FI20165256L (fi) * | 2016-03-24 | 2017-09-25 | Nokia Technologies Oy | Laitteisto, menetelmä ja tietokoneohjelma videokoodaukseen ja -dekoodaukseen |
| EP3466079B1 (en) * | 2016-05-24 | 2023-07-12 | Nokia Technologies Oy | Method and an apparatus and a computer program for encoding media content |
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2020
- 2020-09-15 CN CN202311427826.1A patent/CN117596403A/zh active Pending
- 2020-09-15 EP EP20869603.9A patent/EP4022918A4/en active Pending
- 2020-09-15 MX MX2022003564A patent/MX2022003564A/es unknown
- 2020-09-15 CN CN202311428184.7A patent/CN117425011A/zh active Pending
- 2020-09-15 KR KR1020227013660A patent/KR20220065061A/ko active Search and Examination
- 2020-09-15 CN CN202311306433.5A patent/CN117544772A/zh active Pending
- 2020-09-15 AU AU2020352905A patent/AU2020352905A1/en active Pending
- 2020-09-15 CN CN202080066057.5A patent/CN114424561B/zh active Active
- 2020-09-15 KR KR1020227013656A patent/KR20220065060A/ko active Search and Examination
- 2020-09-15 CA CA3155637A patent/CA3155637A1/en active Pending
- 2020-09-15 JP JP2022518803A patent/JP7381731B2/ja active Active
- 2020-09-15 WO PCT/US2020/050904 patent/WO2021061453A1/en unknown
- 2020-09-15 CN CN202311301995.0A patent/CN117544771A/zh active Pending
- 2020-09-15 JP JP2022518808A patent/JP7381732B2/ja active Active
- 2020-09-15 EP EP20869726.8A patent/EP4022915A4/en active Pending
- 2020-09-15 BR BR112022005517A patent/BR112022005517A2/pt unknown
- 2020-09-15 CN CN202311306453.2A patent/CN117544773A/zh active Pending
- 2020-09-15 CA CA3155837A patent/CA3155837A1/en active Pending
- 2020-09-15 CN CN202311427566.8A patent/CN117478897A/zh active Pending
- 2020-09-15 AU AU2020354918A patent/AU2020354918A1/en active Pending
- 2020-09-15 BR BR112022005444A patent/BR112022005444A2/pt unknown
- 2020-09-15 WO PCT/US2020/050905 patent/WO2021061454A1/en unknown
- 2020-09-15 MX MX2022003558A patent/MX2022003558A/es unknown
- 2020-09-15 CN CN202080065996.8A patent/CN114424557B/zh active Active
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2022
- 2022-03-22 US US17/700,722 patent/US20220217384A1/en active Pending
- 2022-03-22 US US17/700,715 patent/US20220217329A1/en active Pending
- 2022-03-23 CL CL2022000715A patent/CL2022000715A1/es unknown
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2023
- 2023-11-02 JP JP2023188097A patent/JP2024012485A/ja active Pending
- 2023-11-02 JP JP2023188102A patent/JP2024012486A/ja active Pending
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