BR112022004873A2 - Método implementado por decodificador, mídia legível por computador não transitória e dispositivo de decodificação - Google Patents
Método implementado por decodificador, mídia legível por computador não transitória e dispositivo de decodificaçãoInfo
- Publication number
- BR112022004873A2 BR112022004873A2 BR112022004873A BR112022004873A BR112022004873A2 BR 112022004873 A2 BR112022004873 A2 BR 112022004873A2 BR 112022004873 A BR112022004873 A BR 112022004873A BR 112022004873 A BR112022004873 A BR 112022004873A BR 112022004873 A2 BR112022004873 A2 BR 112022004873A2
- Authority
- BR
- Brazil
- Prior art keywords
- unit
- nal
- vcl
- decoder
- computer readable
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000001052 transient effect Effects 0.000 title abstract 2
- 230000000153 supplemental effect Effects 0.000 abstract 1
- 230000002123 temporal effect Effects 0.000 abstract 1
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
- H04N19/70—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
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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
-
- 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
-
- 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
- H04N19/102—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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/17—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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
-
- 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
- H04N19/188—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
- H04N19/30—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
- H04N19/42—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
-
- 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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
método implementado por decodificador, mídia legível por computador não transitória e dispositivo de decodificação. um mecanismo de codificação de vídeo é revelado. o mecanismo inclui codificar uma imagem codificada em uma ou mais unidades de camada de abstração de rede (nal) de camada de codificação de vídeo (vcl) em um fluxo de bits. uma unidade não-vcl nal é codificada no fluxo de bits de modo que um identificador temporal (temporalid) para a unidade não-vcl nal seja restringido para ser igual a um temporalid de uma unidade de acesso (au) contendo a unidade não-vcl nal quando um tipo de unidade nal (nal_unit_type) da não-vcl nal indicar uma mensagem de informações suplementares de enriquecimento (sei). um conjunto de testes de conformidade de fluxo de bits é realizado no fluxo de bits com base na mensagem sei. o fluxo de bits é armazenado para comunicação em direção a um decodificador.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962905236P | 2019-09-24 | 2019-09-24 | |
PCT/US2020/051313 WO2021061493A1 (en) | 2019-09-24 | 2020-09-17 | Temporal identifier constraints for sei messages |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112022004873A2 true BR112022004873A2 (pt) | 2022-06-07 |
Family
ID=75166352
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR122022007954-7A BR122022007954A2 (pt) | 2019-09-24 | 2020-09-17 | Simplificação de dependência de mensagem sei em codificação de vídeo |
BR112022004862A BR112022004862A2 (pt) | 2019-09-24 | 2020-09-17 | Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação |
BR112022005394A BR112022005394A2 (pt) | 2019-09-24 | 2020-09-17 | Simplificação de dependência de mensagem sei em codificação de vídeo |
BR112022004883A BR112022004883A2 (pt) | 2019-09-24 | 2020-09-17 | Método implementado por um decodificador, mídia legível por computador não transitória, e dispositivo de decodificação |
BR112022005000A BR112022005000A2 (pt) | 2019-09-24 | 2020-09-17 | Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação |
BR112022004873A BR112022004873A2 (pt) | 2019-09-24 | 2020-09-17 | Método implementado por decodificador, mídia legível por computador não transitória e dispositivo de decodificação |
Family Applications Before (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR122022007954-7A BR122022007954A2 (pt) | 2019-09-24 | 2020-09-17 | Simplificação de dependência de mensagem sei em codificação de vídeo |
BR112022004862A BR112022004862A2 (pt) | 2019-09-24 | 2020-09-17 | Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação |
BR112022005394A BR112022005394A2 (pt) | 2019-09-24 | 2020-09-17 | Simplificação de dependência de mensagem sei em codificação de vídeo |
BR112022004883A BR112022004883A2 (pt) | 2019-09-24 | 2020-09-17 | Método implementado por um decodificador, mídia legível por computador não transitória, e dispositivo de decodificação |
BR112022005000A BR112022005000A2 (pt) | 2019-09-24 | 2020-09-17 | Método implementado por um decodificador, mídia legível por computador não transitória e dispositivo de decodificação |
Country Status (11)
Country | Link |
---|---|
US (6) | US20220217410A1 (pt) |
EP (5) | EP4022778A4 (pt) |
JP (9) | JP7416921B2 (pt) |
KR (5) | KR20220065054A (pt) |
CN (11) | CN114450962A (pt) |
AU (5) | AU2020354368A1 (pt) |
BR (6) | BR122022007954A2 (pt) |
CA (2) | CA3152353A1 (pt) |
CL (2) | CL2022000703A1 (pt) |
MX (2) | MX2022003547A (pt) |
WO (5) | WO2021061493A1 (pt) |
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