BR112021025581A2 - Modo sem perdas para o versatile video coding - Google Patents
Modo sem perdas para o versatile video codingInfo
- Publication number
- BR112021025581A2 BR112021025581A2 BR112021025581A BR112021025581A BR112021025581A2 BR 112021025581 A2 BR112021025581 A2 BR 112021025581A2 BR 112021025581 A BR112021025581 A BR 112021025581A BR 112021025581 A BR112021025581 A BR 112021025581A BR 112021025581 A2 BR112021025581 A2 BR 112021025581A2
- Authority
- BR
- Brazil
- Prior art keywords
- lossless
- encoding
- tools
- residual
- mode
- Prior art date
Links
Classifications
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
-
- 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
- H04N19/134—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
-
- 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
- H04N19/176—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 block, e.g. a macroblock
-
- 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
- H04N19/182—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 pixel
-
- 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
- H04N19/80—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19305799 | 2019-06-20 | ||
| PCT/EP2020/066647 WO2020254335A1 (en) | 2019-06-20 | 2020-06-16 | Lossless mode for versatile video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021025581A2 true BR112021025581A2 (pt) | 2022-02-01 |
Family
ID=67437686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021025581A BR112021025581A2 (pt) | 2019-06-20 | 2020-06-16 | Modo sem perdas para o versatile video coding |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US12010309B2 (https=) |
| EP (1) | EP3987785A1 (https=) |
| JP (2) | JP7612615B2 (https=) |
| KR (1) | KR20220024711A (https=) |
| CN (3) | CN120075441A (https=) |
| BR (1) | BR112021025581A2 (https=) |
| WO (1) | WO2020254335A1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113382256B (zh) * | 2019-06-21 | 2022-05-20 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置、设备及存储介质 |
| US11516472B2 (en) * | 2019-06-21 | 2022-11-29 | Hyundai Motor Company | Method and apparatus for controlling coding tools |
| ES3025961T3 (en) * | 2019-06-28 | 2025-06-10 | Beijing Dajia Internet Information Tech Co Ltd | Lossless coding modes for video coding |
| CN120614453A (zh) * | 2019-09-23 | 2025-09-09 | 阿里巴巴集团控股有限公司 | 视频数据的无损编码 |
| BR112022005411A2 (pt) * | 2019-09-24 | 2022-06-21 | Huawei Tech Co Ltd | Sinalização de cabeçalho de imagem em codificação de vídeo |
| MX2022004216A (es) * | 2019-10-10 | 2022-05-03 | Electronics & Telecommunications Res Inst | Metodo y aparato de codificacion/decodificacion de imagenes y medio de grabacion que almacena flujo de bits. |
| CN115633172A (zh) * | 2020-12-06 | 2023-01-20 | 浙江大华技术股份有限公司 | 基于ibc模式编码方法、电子设备及存储介质 |
| CN113099233B (zh) * | 2021-03-26 | 2024-07-16 | 百果园技术(新加坡)有限公司 | 视频编码方法、装置、视频编码设备及存储介质 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101572535B1 (ko) | 2011-06-30 | 2015-11-27 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 합성 비디오에서의 무손실 코딩 및 관련 시그널링 방법 |
| MX381915B (es) | 2011-10-17 | 2025-03-13 | Kt Corp | Metodo de transformacion adaptable con base en la prediccion en pantalla y aparato que usa el metodo. |
| KR101762294B1 (ko) * | 2011-10-18 | 2017-07-28 | 주식회사 케이티 | 영상 부호화 방법, 영상 복호화 방법, 영상 부호화기 및 영상 복호화기 |
| US20130294524A1 (en) * | 2012-05-04 | 2013-11-07 | Qualcomm Incorporated | Transform skipping and lossless coding unification |
| CN108632611A (zh) * | 2012-06-29 | 2018-10-09 | 韩国电子通信研究院 | 视频解码方法、视频编码方法和计算机可读介质 |
| JP6197496B2 (ja) * | 2013-08-30 | 2017-09-20 | 富士通株式会社 | 量子化装置、量子化方法および量子化プログラム |
| CN105556963B (zh) | 2013-10-14 | 2018-12-11 | 寰发股份有限公司 | 用于hevc范围扩展的残差差分脉冲编码调制方法 |
| KR102185857B1 (ko) | 2014-02-13 | 2020-12-02 | 삼성전자주식회사 | 영상 부호화, 복호화 방법 및 장치 |
| CN108184117B (zh) | 2018-01-10 | 2021-11-26 | 北京工业大学 | 基于内容的比特流层视频质量评价模型 |
| WO2020103877A1 (en) * | 2018-11-20 | 2020-05-28 | Beijing Bytedance Network Technology Co., Ltd. | Coding and decoding of video coding modes |
| US11153590B2 (en) * | 2019-01-11 | 2021-10-19 | Tencent America LLC | Method and apparatus for video coding |
| WO2020145798A1 (ko) * | 2019-01-13 | 2020-07-16 | 엘지전자 주식회사 | 변환 스킵 플래그를 이용한 영상 코딩 방법 및 장치 |
| US11134258B2 (en) * | 2019-02-11 | 2021-09-28 | Qualcomm Incorporated | Predictive coefficient coding |
| EP3910950B1 (en) * | 2019-02-19 | 2024-08-07 | LG Electronics Inc. | Video decoding method using residual information in video coding system, and apparatus thereof |
| WO2020177684A1 (en) * | 2019-03-03 | 2020-09-10 | Beijing Bytedance Network Technology Co., Ltd. | Enabling dmvr based on the information in the picture header |
| WO2020180102A1 (ko) * | 2019-03-04 | 2020-09-10 | 엘지전자 주식회사 | 영상 코딩 시스템에서 컨텍스트 코딩된 사인 플래그를 사용하는 영상 디코딩 방법 및 그 장치 |
| TW202101985A (zh) * | 2019-03-11 | 2021-01-01 | 美商Ｖｉｄ衡器股份有限公司 | 子圖片適應性解析度改變方法及裝置 |
| US11451826B2 (en) * | 2019-04-15 | 2022-09-20 | Tencent America LLC | Lossless coding mode and switchable residual coding |
| WO2020211867A1 (en) * | 2019-04-19 | 2020-10-22 | Beijing Bytedance Network Technology Co., Ltd. | Delta motion vector in prediction refinement with optical flow process |
| KR20260023593A (ko) * | 2019-05-15 | 2026-02-20 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 비디오 코딩에서의 참조 픽처 리샘플링을 위한 디코더 측 모션 벡터 개선(dmvr) 코딩 툴의 핸들링 |
| CN113853787B (zh) * | 2019-05-22 | 2023-12-22 | 北京字节跳动网络技术有限公司 | 基于子块使用变换跳过模式 |
| CN113966610B (zh) * | 2019-06-11 | 2025-09-12 | 韦勒斯标准与技术协会公司 | 使用块dpcm预测方法的视频信号处理方法和设备 |
| KR20260041924A (ko) * | 2019-06-18 | 2026-03-27 | 엘지전자 주식회사 | 블록 사이즈를 기반으로 bdpcm 을 수행하는 영상 디코딩 방법 및 그 장치 |
| JP7440544B2 (ja) * | 2019-06-18 | 2024-02-28 | エルジー エレクトロニクス インコーポレイティド | 画像デコード方法及びその装置 |
| WO2020256389A1 (ko) * | 2019-06-18 | 2020-12-24 | 엘지전자 주식회사 | Bdpcm 기반 영상 디코딩 방법 및 그 장치 |
-
2020
- 2020-06-16 EP EP20733419.4A patent/EP3987785A1/en active Pending
- 2020-06-16 CN CN202510148620.8A patent/CN120075441A/zh active Pending
- 2020-06-16 WO PCT/EP2020/066647 patent/WO2020254335A1/en not_active Ceased
- 2020-06-16 CN CN202510148653.2A patent/CN120075442A/zh active Pending
- 2020-06-16 JP JP2021573743A patent/JP7612615B2/ja active Active
- 2020-06-16 CN CN202080056767.XA patent/CN114270837B/zh active Active
- 2020-06-16 KR KR1020227001840A patent/KR20220024711A/ko active Pending
- 2020-06-16 US US17/618,090 patent/US12010309B2/en active Active
- 2020-06-16 BR BR112021025581A patent/BR112021025581A2/pt unknown
-
2024
- 2024-05-09 US US18/659,336 patent/US12598299B2/en active Active
- 2024-12-25 JP JP2024229516A patent/JP2025060855A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020254335A1 (en) | 2020-12-24 |
| CN114270837A (zh) | 2022-04-01 |
| JP2025060855A (ja) | 2025-04-10 |
| EP3987785A1 (en) | 2022-04-27 |
| CN120075441A (zh) | 2025-05-30 |
| KR20220024711A (ko) | 2022-03-03 |
| US20240291987A1 (en) | 2024-08-29 |
| US12010309B2 (en) | 2024-06-11 |
| US20220303535A1 (en) | 2022-09-22 |
| CN114270837B (zh) | 2025-02-18 |
| JP2022537275A (ja) | 2022-08-25 |
| JP7612615B2 (ja) | 2025-01-14 |
| US12598299B2 (en) | 2026-04-07 |
| CN120075442A (zh) | 2025-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B25A | Requested transfer of rights approved |
Owner name: INTERDIGITAL CE PATENT HOLDINGS, SAS (FR) |