BR112022012046A2 - Sintaxe de alto nível para codificação e decodificação de vídeo - Google Patents
Sintaxe de alto nível para codificação e decodificação de vídeoInfo
- Publication number
- BR112022012046A2 BR112022012046A2 BR112022012046A BR112022012046A BR112022012046A2 BR 112022012046 A2 BR112022012046 A2 BR 112022012046A2 BR 112022012046 A BR112022012046 A BR 112022012046A BR 112022012046 A BR112022012046 A BR 112022012046A BR 112022012046 A2 BR112022012046 A2 BR 112022012046A2
- Authority
- BR
- Brazil
- Prior art keywords
- decoding
- bit stream
- video encoding
- level syntax
- syntax elements
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 2
- 238000004590 computer program Methods 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
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
-
- 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
- H04N19/10—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
- H04N19/42—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
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
SINTAXE DE ALTO NÍVEL PARA CODIFICAÇÃO E DECODIFICAÇÃO DE VÍDEO. A revelação refere-se a um método de decodificar dados de vídeo a partir de um fluxo de bits, o fluxo de bits compreendendo dados de vídeo correspondendo a múltiplas fatias, em que o fluxo de bits compreende um cabeçalho compreendendo elementos de sintaxe a serem utilizados ao decodificar uma ou mais fatias, em que a decodificação compreende analisar o cabeçalho de imagem, analisar pelo menos um elemento de sintaxe relacionado a ID de APS antes dos elementos de sintaxe referentes às ferramentas de decodificação; e decodificar o referido fluxo de bits utilizando os referidos elementos de sintaxe. São revelados também métodos de decodificação, dispositivos e programas de computador relacionados.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1919035.4A GB2590636B (en) | 2019-12-20 | 2019-12-20 | High level syntax for video coding and decoding |
PCT/EP2020/087286 WO2021123357A1 (en) | 2019-12-20 | 2020-12-18 | High level syntax for video coding and decoding |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112022012046A2 true BR112022012046A2 (pt) | 2022-08-30 |
Family
ID=69322967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022012046A BR112022012046A2 (pt) | 2019-12-20 | 2020-12-18 | Sintaxe de alto nível para codificação e decodificação de vídeo |
Country Status (9)
Country | Link |
---|---|
US (1) | US20240040154A1 (pt) |
EP (1) | EP4078975A1 (pt) |
JP (2) | JP7403633B2 (pt) |
KR (1) | KR20220110841A (pt) |
CN (1) | CN115136605A (pt) |
BR (1) | BR112022012046A2 (pt) |
GB (1) | GB2590636B (pt) |
TW (1) | TWI809336B (pt) |
WO (1) | WO2021123357A1 (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7400115B2 (ja) * | 2020-02-24 | 2023-12-18 | バイトダンス インコーポレイテッド | サブピクチャとタイル行シグナリングとの間のインタラクション |
KR20220143857A (ko) | 2020-03-03 | 2022-10-25 | 바이트댄스 아이엔씨 | 비디오 코딩에서의 저 주파수 비-분리가능 변환 시그널링 |
WO2021190956A1 (en) * | 2020-03-26 | 2021-09-30 | Nokia Technologies Oy | Luma mapping with chroma scaling for gradual decoding refresh |
KR102558495B1 (ko) * | 2020-04-02 | 2023-07-21 | 엘지전자 주식회사 | Hls를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체 |
BR112022020381A2 (pt) * | 2020-04-08 | 2022-11-29 | Nokia Technologies Oy | Mapeamento de luma com escalonamento de croma para atualização de decodificação gradual |
WO2024015639A1 (en) * | 2022-07-15 | 2024-01-18 | Bytedance Inc. | Neural network-based image and video compression method with parallel processing |
WO2024015638A2 (en) * | 2022-07-15 | 2024-01-18 | Bytedance Inc. | A neural network-based image and video compression method with conditional coding |
WO2024020053A1 (en) * | 2022-07-18 | 2024-01-25 | Bytedance Inc. | Neural network-based adaptive image and video compression method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9277228B2 (en) * | 2011-07-18 | 2016-03-01 | Qualcomm Incorporated | Adaptation parameter sets for video coding |
US9538200B2 (en) * | 2012-01-19 | 2017-01-03 | Qualcomm Incorporated | Signaling of deblocking filter parameters in video coding |
GB2501125B (en) * | 2012-04-13 | 2015-08-19 | Canon Kk | Method and device for providing adaptation parameters to a decoder |
US9813705B2 (en) * | 2012-04-26 | 2017-11-07 | Qualcomm Incorporated | Parameter set coding |
KR20220083715A (ko) * | 2019-10-29 | 2022-06-20 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 루마 차이를 이용한 크로스 컴포넌트 적응적 루프 필터 |
-
2019
- 2019-12-20 GB GB1919035.4A patent/GB2590636B/en active Active
-
2020
- 2020-12-15 TW TW109144277A patent/TWI809336B/zh active
- 2020-12-18 JP JP2022508942A patent/JP7403633B2/ja active Active
- 2020-12-18 EP EP20838060.0A patent/EP4078975A1/en active Pending
- 2020-12-18 WO PCT/EP2020/087286 patent/WO2021123357A1/en active Application Filing
- 2020-12-18 KR KR1020227023888A patent/KR20220110841A/ko active Search and Examination
- 2020-12-18 US US17/787,239 patent/US20240040154A1/en active Pending
- 2020-12-18 BR BR112022012046A patent/BR112022012046A2/pt unknown
- 2020-12-18 CN CN202080097077.9A patent/CN115136605A/zh active Pending
-
2023
- 2023-12-11 JP JP2023208814A patent/JP2024026338A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2023504965A (ja) | 2023-02-08 |
GB201919035D0 (en) | 2020-02-05 |
KR20220110841A (ko) | 2022-08-09 |
JP2024026338A (ja) | 2024-02-28 |
US20240040154A1 (en) | 2024-02-01 |
TW202126049A (zh) | 2021-07-01 |
GB2590636A (en) | 2021-07-07 |
GB2590636B (en) | 2024-01-10 |
JP7403633B2 (ja) | 2023-12-22 |
EP4078975A1 (en) | 2022-10-26 |
TWI809336B (zh) | 2023-07-21 |
CN115136605A (zh) | 2022-09-30 |
WO2021123357A1 (en) | 2021-06-24 |
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