BR112021018450A8 - Controle de taxa para um codificador de vídeo - Google Patents
Controle de taxa para um codificador de vídeoInfo
- Publication number
- BR112021018450A8 BR112021018450A8 BR112021018450A BR112021018450A BR112021018450A8 BR 112021018450 A8 BR112021018450 A8 BR 112021018450A8 BR 112021018450 A BR112021018450 A BR 112021018450A BR 112021018450 A BR112021018450 A BR 112021018450A BR 112021018450 A8 BR112021018450 A8 BR 112021018450A8
- Authority
- BR
- Brazil
- Prior art keywords
- stream
- resolution
- video
- encoding
- quality level
- Prior art date
Links
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
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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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
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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
- H04N19/124—Quantisation
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- H—ELECTRICITY
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- 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
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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- 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
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
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- H—ELECTRICITY
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- 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
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
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- H—ELECTRICITY
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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- 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
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- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
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- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
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- 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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- 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
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- 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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- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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- H04N19/46—Embedding additional information in the video signal during the compression process
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- 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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- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
Abstract
controle de taxa para um codificador de vídeo. um método para codificar um vídeo de entrada como um fluxo de vídeo híbrido, o método compreendendo: receber o vídeo de entrada em uma primeira resolução; obter uma indicação de um nível de qualidade desejado para a codificação, o nível de qualidade desejado ajustando uma ou mais taxas de bits para o fluxo de vídeo híbrido, o referido fluxo híbrido compreendendo um fluxo de base codificado em uma segunda resolução e uma pluralidade de fluxos de intensificação em cada uma da primeira e da segunda resoluções, a primeira resolução sendo mais alta que a segunda resolução; codificar cada um da pluralidade de fluxos de intensificação: gerando um conjunto de residuais com base em uma diferença entre o vídeo de entrada e um vídeo reconstruído na resolução respectiva do fluxo de intensificação; determinando parâmetros de quantização para o conjunto de residuais com base no nível de qualidade desejado; quantizar o conjunto de residuais com base nos parâmetros de quantização; e a criando um fluxo codificado a partir do conjunto de residuais quantizados.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1903844.7A GB201903844D0 (en) | 2019-03-20 | 2019-03-20 | A method of encoding and decoding a video |
GBGB1904014.6A GB201904014D0 (en) | 2019-03-23 | 2019-03-23 | Video coding technology |
GBGB1904492.4A GB201904492D0 (en) | 2019-03-29 | 2019-03-29 | Video coding technology |
GBGB1905325.5A GB201905325D0 (en) | 2019-04-15 | 2019-04-15 | Video coding technology |
GBGB1909701.3A GB201909701D0 (en) | 2019-07-05 | 2019-07-05 | Video coding technology |
PCT/GB2019/053551 WO2020188230A1 (en) | 2019-03-20 | 2019-12-13 | Rate control for a video encoder |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112021018450A2 BR112021018450A2 (pt) | 2021-11-23 |
BR112021018450A8 true BR112021018450A8 (pt) | 2022-06-21 |
Family
ID=68965928
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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BR112021018466A BR112021018466A2 (pt) | 2019-03-20 | 2019-12-13 | Processamento de resíduos em codificação de vídeo |
BR112021018450A BR112021018450A8 (pt) | 2019-03-20 | 2019-12-13 | Controle de taxa para um codificador de vídeo |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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BR112021018466A BR112021018466A2 (pt) | 2019-03-20 | 2019-12-13 | Processamento de resíduos em codificação de vídeo |
Country Status (11)
Country | Link |
---|---|
US (2) | US20220191509A1 (pt) |
EP (2) | EP3942809A1 (pt) |
JP (2) | JP2022529580A (pt) |
KR (2) | KR20210153060A (pt) |
CN (2) | CN113994688A (pt) |
AU (2) | AU2019435947A1 (pt) |
BR (2) | BR112021018466A2 (pt) |
CA (2) | CA3133777A1 (pt) |
GB (2) | GB2599508B (pt) |
MX (2) | MX2021011339A (pt) |
WO (2) | WO2020188230A1 (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201905400D0 (en) * | 2019-04-16 | 2019-05-29 | V Nova Int Ltd | Video coding technology |
GB2599341A (en) | 2020-07-28 | 2022-04-06 | V Nova Int Ltd | Management system for multilayer encoders and decoders and method thereof |
GB202103498D0 (en) * | 2021-03-12 | 2021-04-28 | V Nova Int Ltd | Processing of residuals in video coding |
GB2611131B (en) | 2022-03-31 | 2023-11-22 | V Nova Int Ltd | Pre-analysis for video encoding |
GB2611129B (en) | 2022-03-31 | 2024-03-27 | V Nova Int Ltd | Signal processing with overlay regions |
GB2619096A (en) | 2022-05-27 | 2023-11-29 | V Nova Int Ltd | Enhancement interlacing |
WO2024010362A1 (ko) * | 2022-07-06 | 2024-01-11 | 주식회사 케이티 | 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체 |
GB2620994A (en) | 2022-08-22 | 2024-01-31 | V Nova Int Ltd | Encoding and decoding of pre-processing renditions of input videos |
GB2623148A (en) * | 2023-06-07 | 2024-04-10 | V Nova Int Ltd | Constant rate factor video encoding control |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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US5734677A (en) * | 1995-03-15 | 1998-03-31 | The Chinese University Of Hong Kong | Method for compression of loss-tolerant video image data from multiple sources |
WO2003036979A1 (en) * | 2001-10-26 | 2003-05-01 | Koninklijke Philips Electronics N.V. | Spatial scalable compression scheme using adaptive content filtering |
KR20060126984A (ko) * | 2003-12-08 | 2006-12-11 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 데드 존을 갖는 공간 스케일링 가능한 압축 기법 |
US20090141809A1 (en) * | 2007-12-04 | 2009-06-04 | Sony Corporation And Sony Electronics Inc. | Extension to the AVC standard to support the encoding and storage of high resolution digital still pictures in parallel with video |
EP2249569A1 (en) * | 2009-05-08 | 2010-11-10 | Imec | Cross-layer optimization for transmission of video codec over wireless networks |
CN102714725B (zh) * | 2010-01-06 | 2015-04-29 | 杜比实验室特许公司 | 用于多层视频编码应用的高性能码率控制 |
JP5368631B2 (ja) * | 2010-04-08 | 2013-12-18 | 株式会社東芝 | 画像符号化方法、装置、及びプログラム |
SG11201407417VA (en) * | 2012-05-14 | 2014-12-30 | Luca Rossato | Encoding and reconstruction of residual data based on support information |
KR102001415B1 (ko) * | 2012-06-01 | 2019-07-18 | 삼성전자주식회사 | 다계층 비디오 코딩을 위한 레이트 제어 방법, 이를 이용한 비디오 인코딩 장치 및 비디오 신호 처리 시스템 |
PL2941872T3 (pl) * | 2013-01-02 | 2019-03-29 | Dolby Laboratories Licensing Corporation | Kompatybilne wstecznie kodowanie dla sygnałów wideo o ultra wysokiej rozdzielczości z rozszerzonym zakresem dynamicznym |
EA035886B1 (ru) | 2013-04-15 | 2020-08-27 | В-Нова Интернэшнл Лтд. | Гибридное обратно совместимое кодирование и декодирование сигналов |
EP2816805B1 (en) * | 2013-05-29 | 2020-12-30 | BlackBerry Limited | Lossy data compression with conditional reconstruction reinfinement |
US9591316B2 (en) * | 2014-03-27 | 2017-03-07 | Intel IP Corporation | Scalable video encoding rate adaptation based on perceived quality |
US9628803B2 (en) * | 2014-11-25 | 2017-04-18 | Blackberry Limited | Perceptual image and video coding |
GB2544800A (en) * | 2015-11-27 | 2017-05-31 | V-Nova Ltd | Adaptive bit rate ratio control |
GB2547934B (en) * | 2016-03-03 | 2021-07-07 | V Nova Int Ltd | Adaptive video quality |
GB2553556B (en) | 2016-09-08 | 2022-06-29 | V Nova Int Ltd | Data processing apparatuses, methods, computer programs and computer-readable media |
GB2553557B (en) * | 2016-09-08 | 2022-04-20 | V Nova Int Ltd | Data processing apparatuses, methods, computer programs and computer-readable media |
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2019
- 2019-12-13 KR KR1020217033584A patent/KR20210153060A/ko active Search and Examination
- 2019-12-13 MX MX2021011339A patent/MX2021011339A/es unknown
- 2019-12-13 BR BR112021018466A patent/BR112021018466A2/pt unknown
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- 2019-12-13 KR KR1020217033578A patent/KR20220004972A/ko unknown
- 2019-12-13 CN CN201980096501.5A patent/CN113994688A/zh active Pending
- 2019-12-13 MX MX2021011338A patent/MX2021011338A/es unknown
- 2019-12-13 JP JP2021558487A patent/JP2022529580A/ja active Pending
- 2019-12-13 GB GB2114969.5A patent/GB2599508B/en active Active
- 2019-12-13 CA CA3133777A patent/CA3133777A1/en active Pending
- 2019-12-13 US US17/440,585 patent/US20220191509A1/en active Pending
- 2019-12-13 WO PCT/GB2019/053551 patent/WO2020188230A1/en unknown
- 2019-12-13 US US17/440,587 patent/US20220191521A1/en active Pending
- 2019-12-13 AU AU2019435415A patent/AU2019435415A1/en active Pending
- 2019-12-13 CA CA3133774A patent/CA3133774A1/en active Pending
- 2019-12-13 EP EP19823965.9A patent/EP3942809A1/en active Pending
- 2019-12-13 WO PCT/GB2019/053547 patent/WO2020188229A1/en unknown
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- 2019-12-13 JP JP2021556458A patent/JP2022526498A/ja active Pending
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GB2597860A (en) | 2022-02-09 |
CN113785580A (zh) | 2021-12-10 |
GB2599508B (en) | 2024-01-10 |
GB202114840D0 (en) | 2021-12-01 |
KR20210153060A (ko) | 2021-12-16 |
JP2022526498A (ja) | 2022-05-25 |
GB2599508A (en) | 2022-04-06 |
AU2019435947A1 (en) | 2021-10-14 |
MX2021011338A (es) | 2021-12-10 |
BR112021018466A2 (pt) | 2021-11-23 |
CA3133777A1 (en) | 2020-09-24 |
US20220191509A1 (en) | 2022-06-16 |
CA3133774A1 (en) | 2020-09-24 |
EP3942815A1 (en) | 2022-01-26 |
KR20220004972A (ko) | 2022-01-12 |
AU2019435415A1 (en) | 2021-10-14 |
GB202114969D0 (en) | 2021-12-01 |
JP2022529580A (ja) | 2022-06-23 |
WO2020188229A1 (en) | 2020-09-24 |
WO2020188230A1 (en) | 2020-09-24 |
BR112021018450A2 (pt) | 2021-11-23 |
EP3942809A1 (en) | 2022-01-26 |
CN113994688A (zh) | 2022-01-28 |
GB2597860B (en) | 2023-07-26 |
MX2021011339A (es) | 2021-12-10 |
US20220191521A1 (en) | 2022-06-16 |
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