JP2021048532A5 - - Google Patents
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- JP2021048532A5 JP2021048532A5 JP2019170810A JP2019170810A JP2021048532A5 JP 2021048532 A5 JP2021048532 A5 JP 2021048532A5 JP 2019170810 A JP2019170810 A JP 2019170810A JP 2019170810 A JP2019170810 A JP 2019170810A JP 2021048532 A5 JP2021048532 A5 JP 2021048532A5
- Authority
- JP
- Japan
- Prior art keywords
- quantization matrix
- mode
- encoding
- decoding
- quantization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000013139 quantization Methods 0.000 claims description 69
- 239000011159 matrix material Substances 0.000 claims description 61
- 238000000034 method Methods 0.000 claims 3
Priority Applications (20)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019170810A JP2021048532A (ja) | 2019-09-19 | 2019-09-19 | 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム |
| CN202411315495.7A CN118945353A (zh) | 2019-09-19 | 2020-08-14 | 图像编码设备和方法以及图像解码设备和方法 |
| CN202080065877.2A CN114424551B (zh) | 2019-09-19 | 2020-08-14 | 图像编码设备和方法、图像解码设备和方法和存储介质 |
| PCT/JP2020/030904 WO2021054012A1 (ja) | 2019-09-19 | 2020-08-14 | 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム |
| CN202411315591.1A CN118972587A (zh) | 2019-09-19 | 2020-08-14 | 图像编码设备和方法以及图像解码设备和方法 |
| EP20864993.9A EP4033762A4 (en) | 2019-09-19 | 2020-08-14 | PICTURE CODING DEVICE, PICTURE DECODING DEVICE, CONTROL METHOD THEREOF AND PROGRAM |
| CN202411315584.1A CN118972586A (zh) | 2019-09-19 | 2020-08-14 | 图像编码设备和方法以及图像解码设备和方法 |
| CN202411315492.3A CN118972585A (zh) | 2019-09-19 | 2020-08-14 | 图像编码设备和方法以及图像解码设备和方法 |
| KR1020227012431A KR20220058959A (ko) | 2019-09-19 | 2020-08-14 | 화상 부호화 장치, 화상 복호 장치 및 그것들의 제어 방법 및 프로그램 |
| BR112022005002A BR112022005002A2 (pt) | 2019-09-19 | 2020-08-14 | Aparelho de codificação de imagem, aparelho de decodificação de imagem, e métodos de codificação e decodificação para os mesmos |
| CN202411315621.9A CN118972588A (zh) | 2019-09-19 | 2020-08-14 | 图像编码设备和方法以及图像解码设备和方法 |
| TW109131784A TWI856179B (zh) | 2019-09-19 | 2020-09-16 | 影像編碼裝置及其控制方法、以及影像解碼裝置及其控制方法 |
| US17/695,638 US12137224B2 (en) | 2019-09-19 | 2022-03-15 | Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium for suppressing the code amount of quantization matrices |
| JP2024066821A JP7695438B2 (ja) | 2019-09-19 | 2024-04-17 | 画像復号装置、画像符号化装置及びそれらの制御方法及びプログラム |
| US18/910,615 US20250030861A1 (en) | 2019-09-19 | 2024-10-09 | Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium |
| US18/910,566 US20250030858A1 (en) | 2019-09-19 | 2024-10-09 | Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium |
| US18/910,601 US20250030860A1 (en) | 2019-09-19 | 2024-10-09 | Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium |
| US18/910,632 US20250030862A1 (en) | 2019-09-19 | 2024-10-09 | Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium |
| US18/910,585 US20250030859A1 (en) | 2019-09-19 | 2024-10-09 | Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium |
| JP2025085070A JP7829779B2 (ja) | 2019-09-19 | 2025-05-21 | 画像復号装置、画像符号化装置及びそれらの方法及びプログラム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019170810A JP2021048532A (ja) | 2019-09-19 | 2019-09-19 | 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024066821A Division JP7695438B2 (ja) | 2019-09-19 | 2024-04-17 | 画像復号装置、画像符号化装置及びそれらの制御方法及びプログラム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021048532A JP2021048532A (ja) | 2021-03-25 |
| JP2021048532A5 true JP2021048532A5 (enExample) | 2022-09-27 |
Family
ID=74878795
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019170810A Pending JP2021048532A (ja) | 2019-09-19 | 2019-09-19 | 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム |
| JP2024066821A Active JP7695438B2 (ja) | 2019-09-19 | 2024-04-17 | 画像復号装置、画像符号化装置及びそれらの制御方法及びプログラム |
| JP2025085070A Active JP7829779B2 (ja) | 2019-09-19 | 2025-05-21 | 画像復号装置、画像符号化装置及びそれらの方法及びプログラム |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024066821A Active JP7695438B2 (ja) | 2019-09-19 | 2024-04-17 | 画像復号装置、画像符号化装置及びそれらの制御方法及びプログラム |
| JP2025085070A Active JP7829779B2 (ja) | 2019-09-19 | 2025-05-21 | 画像復号装置、画像符号化装置及びそれらの方法及びプログラム |
Country Status (8)
| Country | Link |
|---|---|
| US (6) | US12137224B2 (enExample) |
| EP (1) | EP4033762A4 (enExample) |
| JP (3) | JP2021048532A (enExample) |
| KR (1) | KR20220058959A (enExample) |
| CN (6) | CN118945353A (enExample) |
| BR (1) | BR112022005002A2 (enExample) |
| TW (1) | TWI856179B (enExample) |
| WO (1) | WO2021054012A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021048532A (ja) * | 2019-09-19 | 2021-03-25 | キヤノン株式会社 | 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム |
| US11206395B2 (en) | 2019-09-24 | 2021-12-21 | Mediatek Inc. | Signaling quantization matrix |
| JP2024093502A (ja) * | 2022-12-27 | 2024-07-09 | トヨタ自動車株式会社 | 情報処理装置、及び、方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0667716B1 (en) * | 1993-08-30 | 1999-11-24 | Sony Corporation | Device and method for encoding image |
| EP1675402A1 (en) * | 2004-12-22 | 2006-06-28 | Thomson Licensing | Optimisation of a quantisation matrix for image and video coding |
| US7373009B2 (en) * | 2005-02-09 | 2008-05-13 | Lsi Corporation | Method and apparatus for efficient transmission and decoding of quantization matrices |
| JP2012108237A (ja) * | 2010-11-16 | 2012-06-07 | Toshiba Mobile Display Co Ltd | 表示装置 |
| PH12013501626A1 (en) * | 2011-02-10 | 2013-10-14 | Sony Group Corp | Image processing device and image processing method |
| US9641840B2 (en) * | 2011-05-20 | 2017-05-02 | Sony Corporation | Processing device and image processing method for encoding and decoding image |
| MY193612A (en) * | 2011-07-01 | 2022-10-20 | Samsung Electronics Co Ltd | Method and apparatus for entropy encoding using hierarchical data unit, and method and apparatus for decoding |
| 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 |
| KR20130050149A (ko) * | 2011-11-07 | 2013-05-15 | 오수미 | 인터 모드에서의 예측 블록 생성 방법 |
| US9866839B2 (en) * | 2012-01-20 | 2018-01-09 | Electronics And Telecommunications Research Institute | Method for encoding and decoding quantized matrix and apparatus using same |
| PL3346705T3 (pl) * | 2012-04-16 | 2021-04-06 | Electronics And Telecommunications Research Institute | Sposób kodowania/dekodowania obrazu |
| JP6041554B2 (ja) * | 2012-06-27 | 2016-12-07 | キヤノン株式会社 | 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 |
| US9253483B2 (en) * | 2012-09-25 | 2016-02-02 | Google Technology Holdings LLC | Signaling of scaling list |
| JP7235439B2 (ja) | 2018-03-29 | 2023-03-08 | 株式会社バンダイナムコエンターテインメント | ゲームシステム、ゲーム提供方法及びプログラム |
| WO2020138933A1 (ko) * | 2018-12-26 | 2020-07-02 | 한국전자통신연구원 | 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| MX2021014726A (es) * | 2019-06-14 | 2022-01-18 | Electronics & Telecommunications Res Inst | Metodo y dispositivo de codificacion/decodificacion de matrices de cuantificacion, y medio de grabacion que almacena un flujo de bits. |
| TW202533572A (zh) * | 2019-06-21 | 2025-08-16 | 法商內數位Ｃｅ專利控股公司 | 用於視訊編碼及解碼的單一索引量化矩陣設計 |
| JP2021048532A (ja) * | 2019-09-19 | 2021-03-25 | キヤノン株式会社 | 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム |
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2019
- 2019-09-19 JP JP2019170810A patent/JP2021048532A/ja active Pending
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2020
- 2020-08-14 CN CN202411315495.7A patent/CN118945353A/zh active Pending
- 2020-08-14 EP EP20864993.9A patent/EP4033762A4/en active Pending
- 2020-08-14 WO PCT/JP2020/030904 patent/WO2021054012A1/ja not_active Ceased
- 2020-08-14 CN CN202411315492.3A patent/CN118972585A/zh active Pending
- 2020-08-14 CN CN202080065877.2A patent/CN114424551B/zh active Active
- 2020-08-14 CN CN202411315621.9A patent/CN118972588A/zh active Pending
- 2020-08-14 CN CN202411315584.1A patent/CN118972586A/zh active Pending
- 2020-08-14 BR BR112022005002A patent/BR112022005002A2/pt unknown
- 2020-08-14 KR KR1020227012431A patent/KR20220058959A/ko not_active Ceased
- 2020-08-14 CN CN202411315591.1A patent/CN118972587A/zh active Pending
- 2020-09-16 TW TW109131784A patent/TWI856179B/zh active
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2022
- 2022-03-15 US US17/695,638 patent/US12137224B2/en active Active
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2024
- 2024-04-17 JP JP2024066821A patent/JP7695438B2/ja active Active
- 2024-10-09 US US18/910,632 patent/US20250030862A1/en active Pending
- 2024-10-09 US US18/910,566 patent/US20250030858A1/en active Pending
- 2024-10-09 US US18/910,601 patent/US20250030860A1/en active Pending
- 2024-10-09 US US18/910,615 patent/US20250030861A1/en active Pending
- 2024-10-09 US US18/910,585 patent/US20250030859A1/en active Pending
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2025
- 2025-05-21 JP JP2025085070A patent/JP7829779B2/ja active Active