BR112021024187A2 - Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, método e programa - Google Patents
Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, método e programaInfo
- Publication number
- BR112021024187A2 BR112021024187A2 BR112021024187A BR112021024187A BR112021024187A2 BR 112021024187 A2 BR112021024187 A2 BR 112021024187A2 BR 112021024187 A BR112021024187 A BR 112021024187A BR 112021024187 A BR112021024187 A BR 112021024187A BR 112021024187 A2 BR112021024187 A2 BR 112021024187A2
- Authority
- BR
- Brazil
- Prior art keywords
- image
- encoding
- transformation
- coefficients
- components
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000009466 transformation Effects 0.000 abstract 7
- 238000013139 quantization Methods 0.000 abstract 3
- 241000023320 Luma <angiosperm> Species 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 239000011159 matrix material Substances 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
-
- 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
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/127—Prioritisation of hardware or computational resources
-
- 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
- H04N19/136—Incoming video signal characteristics or properties
-
- 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
- H04N19/18—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 set of transform coefficients
-
- 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
- H04N19/46—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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019107454A JP7493310B2 (ja) | 2019-06-07 | 2019-06-07 | 画像復号装置及び方法及びプログラム |
| PCT/JP2020/015216 WO2020246125A1 (ja) | 2019-06-07 | 2020-04-02 | 画像符号化装置及び画像復号装置及び方法及びプログラム |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021024187A2 true BR112021024187A2 (pt) | 2022-01-11 |
Family
ID=73652489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021024187A BR112021024187A2 (pt) | 2019-06-07 | 2020-04-02 | Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, método e programa |
Country Status (8)
| Country | Link |
|---|---|
| US (6) | US11856198B2 (https=) |
| EP (1) | EP3982632A4 (https=) |
| JP (2) | JP7493310B2 (https=) |
| KR (1) | KR102818232B1 (https=) |
| CN (6) | CN113994677B (https=) |
| BR (1) | BR112021024187A2 (https=) |
| TW (2) | TWI863883B (https=) |
| WO (1) | WO2020246125A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7772592B2 (ja) * | 2019-09-20 | 2025-11-18 | 日本放送協会 | 符号化装置、復号装置、及びプログラム |
| WO2021110628A1 (en) * | 2019-12-06 | 2021-06-10 | Interdigital Vc Holdings France, Sas | Scaling process for joint chroma coded blocks |
| US11641469B2 (en) * | 2020-01-13 | 2023-05-02 | Qualcomm Incorporated | Signaling scaling matrices in video coding |
| US12439095B2 (en) * | 2021-04-16 | 2025-10-07 | Tencent America LLC | Entropy coding of sign map for transform coefficients |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030215011A1 (en) * | 2002-05-17 | 2003-11-20 | General Instrument Corporation | Method and apparatus for transcoding compressed video bitstreams |
| JP5026092B2 (ja) * | 2007-01-12 | 2012-09-12 | 三菱電機株式会社 | 動画像復号装置および動画像復号方法 |
| CN102246525A (zh) * | 2008-12-16 | 2011-11-16 | 松下电器产业株式会社 | 运动图像编码方法、运动图像解码方法、运动图像编码装置、运动图像解码装置、程序、及集成电路 |
| CN102577387B (zh) | 2009-10-30 | 2015-01-14 | 松下电器（美国）知识产权公司 | 解码方法、解码装置、编码方法以及编码装置 |
| CN102164284A (zh) * | 2010-02-24 | 2011-08-24 | 富士通株式会社 | 视频解码方法和系统 |
| CN101790094B (zh) * | 2010-03-19 | 2013-01-30 | 山东大学 | 一种jpeg图像解码器的vlsi系统结构及其实现方法 |
| JP2011259205A (ja) * | 2010-06-09 | 2011-12-22 | Sony Corp | 画像復号化装置と画像符号化装置およびその方法とプログラム |
| JP5966932B2 (ja) * | 2011-02-10 | 2016-08-10 | ソニー株式会社 | 画像処理装置、画像処理方法、プログラム及び媒体 |
| JP2013038758A (ja) * | 2011-07-13 | 2013-02-21 | Canon Inc | 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム |
| US9031137B2 (en) | 2012-05-03 | 2015-05-12 | Texas Instruments Incorporated | Signaling signed band offset values for sample adaptive offset (SAO) filtering in video coding |
| JP6210368B2 (ja) * | 2012-09-18 | 2017-10-11 | サン パテント トラスト | 画像復号方法および画像復号装置 |
| US10735729B2 (en) * | 2015-12-22 | 2020-08-04 | Realnetworks, Inc. | Residual transformation and inverse transformation in video coding systems and methods |
| WO2018021373A1 (ja) * | 2016-07-29 | 2018-02-01 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法及び復号方法 |
| CN107360419B (zh) * | 2017-07-18 | 2019-09-24 | 成都图必优科技有限公司 | 一种基于透视模型的运动前视视频帧间预测编码方法 |
| EP3664449A1 (en) * | 2018-12-05 | 2020-06-10 | InterDigital VC Holdings, Inc. | Method and device for picture encoding and decoding |
| JP6644865B2 (ja) | 2018-12-28 | 2020-02-12 | 日本光電工業株式会社 | 医療用システム |
| JP2020195013A (ja) | 2019-05-24 | 2020-12-03 | シャープ株式会社 | 画像復号装置および画像符号化装置 |
-
2019
- 2019-06-07 JP JP2019107454A patent/JP7493310B2/ja active Active
-
2020
- 2020-04-02 KR KR1020217041995A patent/KR102818232B1/ko active Active
- 2020-04-02 CN CN202080041967.8A patent/CN113994677B/zh active Active
- 2020-04-02 WO PCT/JP2020/015216 patent/WO2020246125A1/ja not_active Ceased
- 2020-04-02 CN CN202411527599.4A patent/CN119135903A/zh active Pending
- 2020-04-02 EP EP20819205.4A patent/EP3982632A4/en active Pending
- 2020-04-02 CN CN202411527588.6A patent/CN119135899A/zh active Pending
- 2020-04-02 CN CN202411527598.XA patent/CN119135902A/zh active Pending
- 2020-04-02 CN CN202411527596.0A patent/CN119135901A/zh active Pending
- 2020-04-02 CN CN202411527593.7A patent/CN119135900A/zh active Pending
- 2020-04-02 BR BR112021024187A patent/BR112021024187A2/pt unknown
- 2020-04-27 TW TW113127439A patent/TWI863883B/zh active
- 2020-04-27 TW TW109113992A patent/TWI861095B/zh active
-
2021
- 2021-12-03 US US17/542,254 patent/US11856198B2/en active Active
-
2023
- 2023-11-15 US US18/510,148 patent/US12170774B2/en active Active
- 2023-11-15 US US18/510,126 patent/US12170773B2/en active Active
- 2023-11-15 US US18/510,096 patent/US12170772B2/en active Active
- 2023-11-15 US US18/510,167 patent/US12177442B2/en active Active
- 2023-11-15 US US18/510,344 patent/US12170775B2/en active Active
- 2023-12-04 JP JP2023204899A patent/JP7610690B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US12170772B2 (en) | 2024-12-17 |
| CN119135903A (zh) | 2024-12-13 |
| US11856198B2 (en) | 2023-12-26 |
| US12177442B2 (en) | 2024-12-24 |
| JP2024015184A (ja) | 2024-02-01 |
| KR102818232B1 (ko) | 2025-06-10 |
| US20240089442A1 (en) | 2024-03-14 |
| CN113994677A (zh) | 2022-01-28 |
| CN119135899A (zh) | 2024-12-13 |
| WO2020246125A1 (ja) | 2020-12-10 |
| US12170775B2 (en) | 2024-12-17 |
| CN119135900A (zh) | 2024-12-13 |
| US20220094937A1 (en) | 2022-03-24 |
| KR20220011175A (ko) | 2022-01-27 |
| JP2020202473A (ja) | 2020-12-17 |
| JP7610690B2 (ja) | 2025-01-08 |
| US20240089443A1 (en) | 2024-03-14 |
| TWI861095B (zh) | 2024-11-11 |
| TW202448177A (zh) | 2024-12-01 |
| TWI863883B (zh) | 2024-11-21 |
| CN119135901A (zh) | 2024-12-13 |
| US12170773B2 (en) | 2024-12-17 |
| CN119135902A (zh) | 2024-12-13 |
| US20240089441A1 (en) | 2024-03-14 |
| US20240089439A1 (en) | 2024-03-14 |
| US20240089440A1 (en) | 2024-03-14 |
| EP3982632A4 (en) | 2023-05-03 |
| JP7493310B2 (ja) | 2024-05-31 |
| US12170774B2 (en) | 2024-12-17 |
| TW202101990A (zh) | 2021-01-01 |
| EP3982632A1 (en) | 2022-04-13 |
| CN113994677B (zh) | 2024-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR112021024187A2 (pt) | Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, método e programa | |
| BR112019004035A2 (pt) | técnicas de quantização multidimensional para sistemas de codificação/decodificação de vídeo | |
| RU2014150547A (ru) | Устройство и способ обработки изображений | |
| SA521430182B1 (ar) | تضمين رمز نبضة تفاضلي لكتلة نطاق معامل في تشفير فيديو | |
| GB2596970A (en) | Quantization of residuals in video coding | |
| JP2018535609A5 (https=) | ||
| MX372863B (es) | Agrupación de intervalos de omisión de paleta para codificación de video. | |
| EP4319161A3 (en) | Encoding method and apparatus | |
| BR112021025371A2 (pt) | Codificação de modo intra croma simplificado em codificação de vídeo | |
| JP2018515018A5 (https=) | ||
| BR112021019205A2 (pt) | Codificador, decodificador e métodos correspondentes que harmonizam predição intra com base em matriz e seleção de núcleo de transformada secundária | |
| BR112015004116A2 (pt) | método, aparelho e sistema para codificar e decodificar as unidades de transformação de uma unidade de codificação | |
| RU2011103915A (ru) | Способ и устройство кодирования/декодирования движущегося изображения | |
| MX2025000109A (es) | Metodo y aparato de codificacion/decodificacion de imagenes | |
| MX2019013809A (es) | Metodo y aparato de codificacion y decodificacion de una imagen en color. | |
| MX2024010197A (es) | Metodo de codificacion de video con base en transformacion secundaria, y dispositivo para el mismo. | |
| BR112014032182A2 (pt) | método de decodificação de imagem, método de codificação de imagem, aparelho de decodificação de imagem, aparelho de codificação de imagem, e aparelho de codificação e decodificação de imagem | |
| JP2017513305A (ja) | ピクチャを復号するための方法および復号器 | |
| CO2017003030A2 (es) | Codificación de video y descodificación de video, capaz de prevenir una deterioración en el efecto subjectivo de mejora de calidad de imágenes | |
| BRPI0606273A2 (pt) | aparelho e método de codificação para codificar dados de imagem progressiva e dados de imagem de entrelaçamento correspondendo aos dados de imagem progressiva, aparelho e método de decodificação para decodificar primeiros dados codificados obtidos codificando dados de imagem progressiva e segundos dados codificados obtidos codificando dados de imagem de entrelaçamento, e, programa executado por um computador | |
| CA3249813A1 (en) | Intra prediction encoding / decoding method and apparatus for chrominance components | |
| JP2015076859A5 (https=) | ||
| MX2022000007A (es) | Codificador, decodificador, metodos y programas informaticos para una compresion mejorada sin perdidas. | |
| RU2013158347A (ru) | Способ кодирования изображений, способ декодирования изображений, устройство кодирования изображений, устройство декодирования изображений и устройство кодирования и декодирования изображений | |
| MY208365A (en) | Method for encoding/decoding image signal and device therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B154 | Notification of filing of divisional application [chapter 15.50 patent gazette] |
Free format text: O PEDIDO FOI DIVIDIDO NO BR122023005964-6 PROTOCOLO 870230026667 EM 30/03/2023 10:58.O PEDIDO FOI DIVIDIDO NO BR122023005965-4 PROTOCOLO 870230026674 EM 30/03/2023 11:03.O PEDIDO FOI DIVIDIDO NO BR122023005968-9 PROTOCOLO 870230026685 EM 30/03/2023 11:18.O PEDIDO FOI DIVIDIDO NO BR122023005972-7 PROTOCOLO 870230026704 EM 30/03/2023 11:42.O PEDIDO FOI DIVIDIDO NO BR122023005973-5 PROTOCOLO 870230026707 EM 30/03/2023 11:47. |