BR112021016953A2 - Codificador, decodificador e métodos correspondentes - Google Patents
Codificador, decodificador e métodos correspondentesInfo
- Publication number
- BR112021016953A2 BR112021016953A2 BR112021016953A BR112021016953A BR112021016953A2 BR 112021016953 A2 BR112021016953 A2 BR 112021016953A2 BR 112021016953 A BR112021016953 A BR 112021016953A BR 112021016953 A BR112021016953 A BR 112021016953A BR 112021016953 A2 BR112021016953 A2 BR 112021016953A2
- Authority
- BR
- Brazil
- Prior art keywords
- parameters
- end unit
- slice
- lmcs
- alf
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 241000023320 Luma <angiosperm> Species 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000013507 mapping Methods 0.000 abstract 1
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 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
- H04N19/10—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
- H04N19/70—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
- H04N19/169—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
- H04N19/186—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
-
- 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
- H04N19/30—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
- H04N19/46—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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
Abstract
codificador, decodificador e métodos correspondentes. um mecanismo de codificação de vídeo é revelado. o mecanismo inclui receber um fluxo de bits compreendendo uma primeira unidade de camada de abstração de rede (nal) de conjunto de parâmetros de adaptação (aps) incluindo um tipo de filtro de loop adaptativo (alf), uma segunda unidade de aps nal incluindo um tipo de lista de escalamento, uma terceira unidade de aps nal incluindo um tipo de mapeamento de luma com escalamento de croma (lmcs), e uma fatia. o mecanismo inclui ainda obter parâmetros de alf a partir da primeira unidade de aps nal, obter parâmetros de lista de escalamento a partir da segunda unidade de aps nal, e parâmetros de lmcs a partir da terceira unidade de aps nal. o mecanismo inclui ainda decodificar a fatia usando os parâmetros de alf, os parâmetros de lista de escalamento, e o parâmetro de lmcs. o mecanismo inclui ainda encaminhar a fatia para exibição como parte de uma sequência de vídeo decodificada.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962811358P | 2019-02-27 | 2019-02-27 | |
| US201962816753P | 2019-03-11 | 2019-03-11 | |
| US201962850973P | 2019-05-21 | 2019-05-21 | |
| PCT/US2020/019918 WO2020176633A1 (en) | 2019-02-27 | 2020-02-26 | Adaptation parameter set types in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021016953A2 true BR112021016953A2 (pt) | 2021-11-23 |
Family
ID=72238683
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021016953A BR112021016953A2 (pt) | 2019-02-27 | 2020-02-26 | Codificador, decodificador e métodos correspondentes |
| BR112021016925A BR112021016925A2 (pt) | 2019-02-27 | 2020-02-26 | Codificador, decodificador e métodos correspondentes |
| BR112021016895A BR112021016895A2 (pt) | 2019-02-27 | 2020-02-26 | Codificador, decodificador e métodos correspondentes |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021016925A BR112021016925A2 (pt) | 2019-02-27 | 2020-02-26 | Codificador, decodificador e métodos correspondentes |
| BR112021016895A BR112021016895A2 (pt) | 2019-02-27 | 2020-02-26 | Codificador, decodificador e métodos correspondentes |
Country Status (10)
| Country | Link |
|---|---|
| US (3) | US11889030B2 (pt) |
| EP (3) | EP3931746A4 (pt) |
| JP (6) | JP7422159B2 (pt) |
| KR (3) | KR20210129184A (pt) |
| CN (3) | CN113498522A (pt) |
| AU (1) | AU2020227754A1 (pt) |
| BR (3) | BR112021016953A2 (pt) |
| MX (1) | MX2021010337A (pt) |
| SG (3) | SG11202109287PA (pt) |
| WO (3) | WO2020176633A1 (pt) |
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| CN113475072B (zh) * | 2019-03-04 | 2023-12-15 | 北京字节跳动网络技术有限公司 | 视频处理中滤波信息的信令 |
| US20220150481A1 (en) * | 2019-03-07 | 2022-05-12 | Lg Electronics Inc. | Video or image coding based on luma mapping with chroma scaling |
| US20220132110A1 (en) * | 2019-03-23 | 2022-04-28 | Lg Electronics Inc. | Filtering-based video or image coding comprising mapping |
| KR20210136988A (ko) * | 2019-04-03 | 2021-11-17 | 엘지전자 주식회사 | 비디오 또는 영상 코딩 방법 및 그 장치 |
| WO2020204419A1 (ko) * | 2019-04-03 | 2020-10-08 | 엘지전자 주식회사 | 적응적 루프 필터 기반 비디오 또는 영상 코딩 |
| US20220217405A1 (en) * | 2019-04-03 | 2022-07-07 | Lg Electronics Inc. | Video or image coding for modifying reconstructed picture |
| US11368684B2 (en) * | 2019-04-23 | 2022-06-21 | Qualcomm Incorporated | Adaptation parameter sets (APS) for adaptive loop filter (ALF) parameters |
| JP7446339B2 (ja) | 2019-06-04 | 2024-03-08 | 北京字節跳動網絡技術有限公司 | 幾何学的分割モードコーディングを用いた動き候補リスト |
| KR102627821B1 (ko) | 2019-06-04 | 2024-01-23 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 이웃 블록 정보를 사용한 모션 후보 리스트 구성 |
| US11166033B2 (en) * | 2019-06-06 | 2021-11-02 | Qualcomm Incorporated | Adaptation parameter set in access unit in video coding |
| CN114128272B (zh) * | 2019-06-20 | 2024-03-26 | Lg电子株式会社 | 基于亮度样本的映射和色度样本的缩放的视频或图像编码 |
| CN116600144A (zh) | 2019-06-24 | 2023-08-15 | Lg电子株式会社 | 图像编解码方法、计算机可读存储介质和数据发送方法 |
| KR20220003627A (ko) | 2019-06-24 | 2022-01-10 | 엘지전자 주식회사 | 루마 맵핑 기반 비디오 또는 영상 코딩 |
| MX2022000003A (es) | 2019-06-24 | 2022-03-11 | Lg Electronics Inc | Codificación de video o imágenes a base de mapeo de luma y escalamiento de croma. |
| JP7303367B2 (ja) * | 2019-07-08 | 2023-07-04 | エルジー エレクトロニクス インコーポレイティド | スケーリングリストデータのシグナリングに基づくビデオまたは画像コーディング |
| CN114097225B (zh) | 2019-07-09 | 2024-04-19 | 北京字节跳动网络技术有限公司 | 用于自适应环路滤波的样点确定 |
| AU2020309130B2 (en) | 2019-07-11 | 2023-06-08 | Beijing Bytedance Network Technology Co., Ltd. | Sample padding in adaptive loop filtering |
| JP7318099B2 (ja) | 2019-07-14 | 2023-07-31 | 北京字節跳動網絡技術有限公司 | ビデオコーディングにおける変換ブロック・サイズ制約 |
| BR112022000794A2 (pt) | 2019-07-15 | 2022-03-15 | Beijing Bytedance Network Tech Co Ltd | Método de processamento de dados de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e gravação não transitórios legíveis por computador |
| JP7444970B2 (ja) | 2019-08-20 | 2024-03-06 | 北京字節跳動網絡技術有限公司 | デフォルトおよびユーザ定義のスケーリング行列の使用法 |
| CN114402601B (zh) | 2019-09-14 | 2024-02-27 | 字节跳动有限公司 | 色度去块滤波的量化参数偏移的方法及装置 |
| EP4014485A4 (en) | 2019-09-18 | 2022-10-26 | Beijing Bytedance Network Technology Co., Ltd. | TWO-PART SIGNALING OF ADAPTIVE LOOP FILTERS IN VIDEO CODING |
| CN114430901A (zh) | 2019-09-20 | 2022-05-03 | 北京字节跳动网络技术有限公司 | 带有色度缩放的亮度映射 |
| WO2021052509A1 (en) | 2019-09-22 | 2021-03-25 | Beijing Bytedance Network Technology Co., Ltd. | Selective application of sample padding in adaptive loop filtering |
| CN116744002A (zh) * | 2019-09-24 | 2023-09-12 | 华为技术有限公司 | 视频译码中的sei消息依赖简化 |
| EP4022910A4 (en) | 2019-09-27 | 2022-11-16 | Beijing Bytedance Network Technology Co., Ltd. | ADAPTIVE LOOP FILTERING BETWEEN DIFFERENT VIDEO UNITS |
| CN117596389A (zh) | 2019-09-28 | 2024-02-23 | 北京字节跳动网络技术有限公司 | 视频编解码中的几何分割模式 |
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| JP2022552338A (ja) | 2019-10-14 | 2022-12-15 | バイトダンス インコーポレイテッド | クロマ残差の共同コーディング及びビデオ処理におけるフィルタリング |
| JP7389252B2 (ja) | 2019-10-29 | 2023-11-29 | 北京字節跳動網絡技術有限公司 | クロスコンポーネント適応ループフィルタ |
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| KR102619404B1 (ko) | 2019-12-11 | 2023-12-28 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 크로스 컴포넌트 적응적 루프 필터링을 위한 샘플 패딩 |
| US20230046209A1 (en) * | 2019-12-23 | 2023-02-16 | Lg Electronics Inc. | Filtering-based image coding device and method |
| WO2021138293A1 (en) | 2019-12-31 | 2021-07-08 | Bytedance Inc. | Adaptive color transform in video coding |
| EP4088469A1 (en) | 2020-01-09 | 2022-11-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Picture header presence |
| US11463737B2 (en) * | 2020-02-21 | 2022-10-04 | Qualcomm Incorporated | Signaling of dynamic range adjustment parameters for decoded picture buffer management and dynamic range |
| US20230188714A1 (en) * | 2020-06-10 | 2023-06-15 | Lg Electronics Inc | Image encoding/decoding method and device for signaling aps identifier, and computer-readable recording medium in which bitstream is stored |
| JP2023531223A (ja) | 2020-06-30 | 2023-07-21 | 北京字節跳動網絡技術有限公司 | 適応ループフィルタリングのための境界位置 |
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| WO2022071847A1 (en) * | 2020-09-29 | 2022-04-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Filter strength control for adaptive loop filtering |
| US11611752B2 (en) * | 2020-10-07 | 2023-03-21 | Lemon Inc. | Adaptation parameter set storage in video coding |
| USD950521S1 (en) * | 2021-05-11 | 2022-05-03 | Shenzhen Jing Peng Xing Electronic Technology Co., Ltd. | Headphone |
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| DK3220641T3 (en) * | 2011-04-21 | 2019-03-25 | Hfi Innovation Inc | METHOD AND DEVICE FOR IMPROVED IN-LOOP FILTERING |
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| GB2501535A (en) * | 2012-04-26 | 2013-10-30 | Sony Corp | Chrominance Processing in High Efficiency Video Codecs |
| EP2853096A4 (en) * | 2012-05-21 | 2016-07-06 | Mediatek Singapore Pte Ltd | METHOD AND APPARATUS FOR FILTERING BETWEEN LAYERS FOR SCALABLE VIDEO CODING |
| RU2725656C2 (ru) * | 2014-03-17 | 2020-07-03 | Нокиа Текнолоджиз Ой | Устройство, способ и компьютерная программа для кодирования и декодирования видеоинформации |
| CN116095315A (zh) * | 2017-06-29 | 2023-05-09 | 杜比实验室特许公司 | 整合的图像整形和视频编码 |
| WO2020156535A1 (en) * | 2019-02-01 | 2020-08-06 | Beijing Bytedance Network Technology Co., Ltd. | Interactions between in-loop reshaping and block differential pulse coded modulation |
| EP3900344A4 (en) * | 2019-02-01 | 2022-04-06 | Beijing Bytedance Network Technology Co., Ltd. | CONFIGURATION OF A LUMA-DEPENDENT CHROMA RESIDUAL SCALING FOR VIDEO ENCODING |
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2020
- 2020-02-26 SG SG11202109287PA patent/SG11202109287PA/en unknown
- 2020-02-26 WO PCT/US2020/019918 patent/WO2020176633A1/en unknown
- 2020-02-26 CN CN202080017445.4A patent/CN113498522A/zh active Pending
- 2020-02-26 EP EP20763125.0A patent/EP3931746A4/en active Pending
- 2020-02-26 KR KR1020217030828A patent/KR20210129184A/ko active Search and Examination
- 2020-02-26 BR BR112021016953A patent/BR112021016953A2/pt unknown
- 2020-02-26 AU AU2020227754A patent/AU2020227754A1/en active Pending
- 2020-02-26 BR BR112021016925A patent/BR112021016925A2/pt unknown
- 2020-02-26 CN CN202080017344.7A patent/CN113508397A/zh active Pending
- 2020-02-26 SG SG11202109325VA patent/SG11202109325VA/en unknown
- 2020-02-26 WO PCT/US2020/019921 patent/WO2020176636A1/en unknown
- 2020-02-26 EP EP20763133.4A patent/EP3931747A4/en active Pending
- 2020-02-26 CN CN202080017295.7A patent/CN113508396A/zh active Pending
- 2020-02-26 JP JP2021550022A patent/JP7422159B2/ja active Active
- 2020-02-26 EP EP20762269.7A patent/EP3931745A4/en active Pending
- 2020-02-26 KR KR1020217030682A patent/KR102661416B1/ko active IP Right Grant
- 2020-02-26 JP JP2021550020A patent/JP7418458B2/ja active Active
- 2020-02-26 MX MX2021010337A patent/MX2021010337A/es unknown
- 2020-02-26 SG SG11202109285VA patent/SG11202109285VA/en unknown
- 2020-02-26 BR BR112021016895A patent/BR112021016895A2/pt unknown
- 2020-02-26 JP JP2021550021A patent/JP7418459B2/ja active Active
- 2020-02-26 KR KR1020217030764A patent/KR20210129183A/ko not_active Application Discontinuation
- 2020-02-26 WO PCT/US2020/019920 patent/WO2020176635A1/en unknown
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2021
- 2021-08-27 US US17/459,779 patent/US11889030B2/en active Active
- 2021-08-27 US US17/459,806 patent/US11895294B2/en active Active
- 2021-08-27 US US17/459,789 patent/US20210392323A1/en active Pending
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2023
- 2023-11-02 JP JP2023188951A patent/JP2024014892A/ja active Pending
- 2023-11-02 JP JP2023188954A patent/JP2024020293A/ja active Pending
- 2023-11-02 JP JP2023188953A patent/JP2024014893A/ja active Pending
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