JP2022537090A5 - - Google Patents
Info
- Publication number
- JP2022537090A5 JP2022537090A5 JP2021560100A JP2021560100A JP2022537090A5 JP 2022537090 A5 JP2022537090 A5 JP 2022537090A5 JP 2021560100 A JP2021560100 A JP 2021560100A JP 2021560100 A JP2021560100 A JP 2021560100A JP 2022537090 A5 JP2022537090 A5 JP 2022537090A5
- Authority
- JP
- Japan
- Prior art keywords
- quantization matrix
- block
- size
- identifier
- reference 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.)
- Granted
Links
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025043021A JP7788023B2 (ja) | 2019-06-21 | 2025-03-18 | ビデオ符号化及び復号化の単一インデックス量子化行列設計 |
| JP2025233405A JP2026053380A (ja) | 2019-06-21 | 2025-12-05 | ビデオ符号化及び復号化の単一インデックス量子化行列設計 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19305802.1 | 2019-06-21 | ||
| EP19305802 | 2019-06-21 | ||
| EP19305826 | 2019-06-24 | ||
| EP19305826.0 | 2019-06-24 | ||
| PCT/EP2020/066614 WO2020254317A1 (en) | 2019-06-21 | 2020-06-16 | Single-index quantization matrix design for video encoding and decoding |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025043021A Division JP7788023B2 (ja) | 2019-06-21 | 2025-03-18 | ビデオ符号化及び復号化の単一インデックス量子化行列設計 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022537090A JP2022537090A (ja) | 2022-08-24 |
| JP2022537090A5 true JP2022537090A5 (https=) | 2023-06-21 |
| JP7653915B2 JP7653915B2 (ja) | 2025-03-31 |
Family
ID=71103394
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021560100A Active JP7653915B2 (ja) | 2019-06-21 | 2020-06-16 | ビデオ符号化及び復号化の単一インデックス量子化行列設計 |
| JP2025043021A Active JP7788023B2 (ja) | 2019-06-21 | 2025-03-18 | ビデオ符号化及び復号化の単一インデックス量子化行列設計 |
| JP2025233405A Pending JP2026053380A (ja) | 2019-06-21 | 2025-12-05 | ビデオ符号化及び復号化の単一インデックス量子化行列設計 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025043021A Active JP7788023B2 (ja) | 2019-06-21 | 2025-03-18 | ビデオ符号化及び復号化の単一インデックス量子化行列設計 |
| JP2025233405A Pending JP2026053380A (ja) | 2019-06-21 | 2025-12-05 | ビデオ符号化及び復号化の単一インデックス量子化行列設計 |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US12170771B2 (https=) |
| EP (1) | EP3987786A1 (https=) |
| JP (3) | JP7653915B2 (https=) |
| KR (1) | KR20220024716A (https=) |
| CN (2) | CN119996695A (https=) |
| AU (2) | AU2020295684B2 (https=) |
| MX (2) | MX2021015582A (https=) |
| TW (2) | TWI862567B (https=) |
| WO (1) | WO2020254317A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102951865B1 (ko) * | 2018-12-26 | 2026-04-14 | 한국전자통신연구원 | 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| KR102842111B1 (ko) * | 2019-06-24 | 2025-08-01 | 엘지전자 주식회사 | 크로마 성분 부호화 블록의 최대 변환 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
| CN119254985A (zh) | 2019-08-14 | 2025-01-03 | 交互数字Ce专利控股有限公司 | 用于视频编码和解码的量化矩阵预测的方法及装置 |
| 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 |
| US20250350725A1 (en) * | 2023-04-23 | 2025-11-13 | Quasistatics Inc. | Method and system for energy-efficient approximate digital jpeg and mjpeg-compression |
| EP4706245A1 (en) * | 2023-04-27 | 2026-03-11 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and devices on transform coefficient dequantization |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7373009B2 (en) * | 2005-02-09 | 2008-05-13 | Lsi Corporation | Method and apparatus for efficient transmission and decoding of quantization matrices |
| EA021750B1 (ru) | 2009-10-30 | 2015-08-31 | Панасоник Интеллекчуал Проперти Корпорэйшн оф Америка | Способ декодирования, декодирующее устройство, способ кодирования и кодирующее устройство |
| US9167252B2 (en) * | 2010-12-01 | 2015-10-20 | Texas Instruments Incorporated | Quantization matrix compression in video coding |
| MY169660A (en) * | 2011-02-10 | 2019-04-26 | Velos Media Int Ltd | Image processing device and image processing method |
| CN103096056B (zh) * | 2011-11-08 | 2015-11-25 | 华为技术有限公司 | 矩阵编码方法与装置及解码方法与装置 |
| KR20130058524A (ko) * | 2011-11-25 | 2013-06-04 | 오수미 | 색차 인트라 예측 블록 생성 방법 |
| KR101627085B1 (ko) | 2012-01-20 | 2016-06-03 | 한국전자통신연구원 | 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치 |
| PT2840791T (pt) * | 2012-04-16 | 2018-04-16 | Electronics & Telecommunications Res Inst | Método e dispositivo para codificação/descodificação de imagem |
| GB2501535A (en) * | 2012-04-26 | 2013-10-30 | Sony Corp | Chrominance Processing in High Efficiency Video Codecs |
| 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 |
| FI20165256A7 (fi) * | 2016-03-24 | 2017-09-25 | Nokia Technologies Oy | Laitteisto, menetelmä ja tietokoneohjelma videokoodaukseen ja -dekoodaukseen |
| CA3094608A1 (en) * | 2018-03-28 | 2019-10-03 | Sony Corporation | Image processing device and image processing method |
| KR102951865B1 (ko) * | 2018-12-26 | 2026-04-14 | 한국전자통신연구원 | 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| WO2020182069A1 (en) * | 2019-03-10 | 2020-09-17 | Mediatek Inc. | Mehtod and apparatus of the quantization matrix computation and representation for video coding |
-
2020
- 2020-04-08 TW TW109111735A patent/TWI862567B/zh active
- 2020-04-08 TW TW113143293A patent/TW202533572A/zh unknown
- 2020-06-16 AU AU2020295684A patent/AU2020295684B2/en active Active
- 2020-06-16 CN CN202510171177.6A patent/CN119996695A/zh active Pending
- 2020-06-16 WO PCT/EP2020/066614 patent/WO2020254317A1/en not_active Ceased
- 2020-06-16 CN CN202080045038.4A patent/CN114026857B/zh active Active
- 2020-06-16 KR KR1020227001851A patent/KR20220024716A/ko active Pending
- 2020-06-16 EP EP20733418.6A patent/EP3987786A1/en active Pending
- 2020-06-16 JP JP2021560100A patent/JP7653915B2/ja active Active
- 2020-06-16 US US17/603,168 patent/US12170771B2/en active Active
- 2020-06-16 MX MX2021015582A patent/MX2021015582A/es unknown
-
2021
- 2021-12-14 MX MX2025013028A patent/MX2025013028A/es unknown
-
2024
- 2024-11-05 US US18/937,520 patent/US20250071280A1/en active Pending
-
2025
- 2025-03-18 JP JP2025043021A patent/JP7788023B2/ja active Active
- 2025-12-05 JP JP2025233405A patent/JP2026053380A/ja active Pending
-
2026
- 2026-01-06 AU AU2026200058A patent/AU2026200058A1/en active Pending
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