BR112021010308A2 - Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, e método e programa para controlar os mesmos - Google Patents
Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, e método e programa para controlar os mesmos Download PDFInfo
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- BR112021010308A2 BR112021010308A2 BR112021010308-2A BR112021010308A BR112021010308A2 BR 112021010308 A2 BR112021010308 A2 BR 112021010308A2 BR 112021010308 A BR112021010308 A BR 112021010308A BR 112021010308 A2 BR112021010308 A2 BR 112021010308A2
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Classifications
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- 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
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- 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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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- 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
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Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018235910A JP7672190B2 (ja) | 2018-12-17 | 2018-12-17 | 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム |
| JP2018-235910 | 2018-12-17 | ||
| PCT/JP2019/044754 WO2020129489A1 (ja) | 2018-12-17 | 2019-11-14 | 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021010308A2 true BR112021010308A2 (pt) | 2021-08-24 |
Family
ID=71101173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021010308-2A BR112021010308A2 (pt) | 2018-12-17 | 2019-11-14 | Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, e método e programa para controlar os mesmos |
Country Status (8)
| Country | Link |
|---|---|
| US (7) | US11997276B2 (https=) |
| EP (1) | EP3902254A4 (https=) |
| JP (2) | JP7672190B2 (https=) |
| KR (1) | KR102756978B1 (https=) |
| CN (6) | CN113228652B (https=) |
| BR (1) | BR112021010308A2 (https=) |
| TW (4) | TWI770441B (https=) |
| WO (1) | WO2020129489A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11490122B2 (en) * | 2020-09-24 | 2022-11-01 | Tencent America LLC | Method and apparatus for video coding |
| CN118741117B (zh) * | 2024-08-29 | 2024-11-19 | 中国兵工物资集团有限公司 | 图像数据包的生成方法和基于图像数据包还原图像的方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6882685B2 (en) | 2001-09-18 | 2005-04-19 | Microsoft Corporation | Block transform and quantization for image and video coding |
| JP4956612B2 (ja) * | 2006-10-12 | 2012-06-20 | 株式会社東芝 | 画像符号化装置及び画像符号化方法 |
| JP2011029956A (ja) * | 2009-07-27 | 2011-02-10 | Sony Corp | 画像符号化装置および画像符号化方法 |
| US9172968B2 (en) | 2010-07-09 | 2015-10-27 | Qualcomm Incorporated | Video coding using directional transforms |
| JP5741076B2 (ja) * | 2010-12-09 | 2015-07-01 | ソニー株式会社 | 画像処理装置及び画像処理方法 |
| WO2012160890A1 (ja) * | 2011-05-20 | 2012-11-29 | ソニー株式会社 | 画像処理装置及び画像処理方法 |
| 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 |
| JP5770378B2 (ja) | 2011-09-08 | 2015-08-26 | モトローラ モビリティ エルエルシーＭｏｔｏｒｏｌａ Ｍｏｂｉｌｉｔｙ Ｌｌｃ | 係数の矩形ブロックを量子化及び逆量子化するための方法及び機器 |
| US20140301450A1 (en) | 2011-11-07 | 2014-10-09 | Samsung Electronics Co., Ltd. | Inverse transformation method for clipping data of inverse quantization, inverse transformation during video decoding step, and device therefor |
| US10277915B2 (en) * | 2011-11-07 | 2019-04-30 | Qualcomm Incorporated | Signaling quantization matrices for video coding |
| JP2013146038A (ja) | 2011-12-13 | 2013-07-25 | Canon Inc | 画像量子化装置、画像量子化方法及びプログラム、画像逆量子化装置、画像逆量子化方法及びプログラム |
| CN103988508B (zh) * | 2011-12-19 | 2018-10-12 | 索尼公司 | 图像处理设备和方法 |
| CN107277516B (zh) * | 2012-02-29 | 2020-02-18 | 索尼公司 | 图像处理设备和方法 |
| US20130272391A1 (en) * | 2012-04-16 | 2013-10-17 | Futurewei Technologies, Inc. | Method and Apparatus of Quantization Matrix Coding |
| BR122021002351B1 (pt) * | 2012-04-16 | 2023-03-14 | Electronics And Telecommunications Research Institute | Método e mídia de gravação não transitória legível por computador para decodificar vídeo |
| GB2501535A (en) * | 2012-04-26 | 2013-10-30 | Sony Corp | Chrominance Processing in High Efficiency Video Codecs |
| TWI627857B (zh) | 2012-06-29 | 2018-06-21 | 新力股份有限公司 | Image processing device and method |
| EP3183877B1 (en) * | 2014-09-19 | 2021-11-03 | Huawei Technologies Co., Ltd. | Method and apparatus for non-uniform mapping for quantization matrix coefficients between different sizes of matrices |
| US11012693B2 (en) * | 2014-12-26 | 2021-05-18 | Panasonic Intellectual Property Management Co., Ltd. | Encoding method, decoding method, encoding apparatus, and decoding apparatus |
| CN104796609B (zh) * | 2015-04-17 | 2018-01-05 | 南京理工大学 | 基于最优哈达玛编码的大视场高分辨率显微成像方法 |
| JP6566865B2 (ja) * | 2015-12-28 | 2019-08-28 | Kddi株式会社 | 動画像復号装置、動画像復号方法、動画像符号化装置、動画像符号化方法及びコンピュータ可読記録媒体 |
| CN106612439A (zh) * | 2016-02-04 | 2017-05-03 | 四川用联信息技术有限公司 | 一种自适应快速分形图像压缩方法 |
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2018
- 2018-12-17 JP JP2018235910A patent/JP7672190B2/ja active Active
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2019
- 2019-11-14 CN CN201980083874.9A patent/CN113228652B/zh active Active
- 2019-11-14 EP EP19897736.5A patent/EP3902254A4/en active Pending
- 2019-11-14 CN CN202410387641.0A patent/CN118175315A/zh active Pending
- 2019-11-14 CN CN202410387644.4A patent/CN118175316A/zh active Pending
- 2019-11-14 CN CN202410387636.XA patent/CN118233635A/zh active Pending
- 2019-11-14 CN CN202410387843.5A patent/CN118175318A/zh active Pending
- 2019-11-14 BR BR112021010308-2A patent/BR112021010308A2/pt unknown
- 2019-11-14 KR KR1020217021605A patent/KR102756978B1/ko active Active
- 2019-11-14 WO PCT/JP2019/044754 patent/WO2020129489A1/ja not_active Ceased
- 2019-11-14 CN CN202410387841.6A patent/CN118175317A/zh active Pending
- 2019-11-25 TW TW108142735A patent/TWI770441B/zh active
- 2019-11-25 TW TW111122003A patent/TWI788268B/zh active
- 2019-11-25 TW TW111143485A patent/TW202312733A/zh unknown
- 2019-11-25 TW TW113101548A patent/TWI881668B/zh active
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2021
- 2021-06-14 US US17/346,849 patent/US11997276B2/en active Active
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2023
- 2023-12-21 JP JP2023216192A patent/JP7685038B2/ja active Active
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2024
- 2024-02-15 US US18/443,089 patent/US12464126B2/en active Active
- 2024-02-15 US US18/443,101 patent/US12170770B2/en active Active
- 2024-02-15 US US18/443,107 patent/US12323592B2/en active Active
- 2024-02-15 US US18/443,073 patent/US12294703B2/en active Active
- 2024-02-15 US US18/443,082 patent/US12294704B2/en active Active
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2025
- 2025-05-08 US US19/202,949 patent/US20250267266A1/en active Pending
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