JP2023517467A5 - - Google Patents
Info
- Publication number
- JP2023517467A5 JP2023517467A5 JP2022546463A JP2022546463A JP2023517467A5 JP 2023517467 A5 JP2023517467 A5 JP 2023517467A5 JP 2022546463 A JP2022546463 A JP 2022546463A JP 2022546463 A JP2022546463 A JP 2022546463A JP 2023517467 A5 JP2023517467 A5 JP 2023517467A5
- Authority
- JP
- Japan
- Prior art keywords
- block
- video data
- group
- transformation coefficients
- offset parameters
- 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
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202062970588P | 2020-02-05 | 2020-02-05 | |
| US62/970,588 | 2020-02-05 | ||
| US17/166,639 | 2021-02-03 | ||
| US17/166,639 US11490083B2 (en) | 2020-02-05 | 2021-02-03 | Learned low-complexity adaptive quantization for video compression |
| PCT/US2021/016576 WO2021158765A1 (en) | 2020-02-05 | 2021-02-04 | Low-complexity adaptive quantization for video compression |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023517467A JP2023517467A (ja) | 2023-04-26 |
| JP2023517467A5 true JP2023517467A5 (https=) | 2024-01-16 |
| JP7681028B2 JP7681028B2 (ja) | 2025-05-21 |
Family
ID=77062812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022546463A Active JP7681028B2 (ja) | 2020-02-05 | 2021-02-04 | ビデオ圧縮のための低複雑度適応量子化 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11490083B2 (https=) |
| EP (1) | EP4101167A1 (https=) |
| JP (1) | JP7681028B2 (https=) |
| KR (1) | KR20220131255A (https=) |
| CN (1) | CN115053524B (https=) |
| BR (1) | BR112022014854A2 (https=) |
| PH (1) | PH12022551754A1 (https=) |
| TW (1) | TW202133620A (https=) |
| WO (1) | WO2021158765A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11580402B2 (en) * | 2020-05-11 | 2023-02-14 | Arm Limited | System and method for compressing activation data |
| EP4195666B1 (en) | 2021-12-08 | 2024-11-20 | Axis AB | An encoding device and a method for encoding an image frame including selective restriction of offset compression values |
| CN115379218B (zh) * | 2022-07-06 | 2025-01-28 | 百果园技术(新加坡)有限公司 | 一种视频编码的矢量量化方法及系统 |
| CN115311506B (zh) * | 2022-10-11 | 2023-03-28 | 之江实验室 | 基于阻变存储器的量化因子优化的图像分类方法及装置 |
| WO2025041998A1 (ko) * | 2023-08-18 | 2025-02-27 | 삼성전자 주식회사 | 양자화 시프트를 위한 영상 복호화 방법, 영상 복호화 장치, 영상 부호화 방법, 및 영상 부호화 장치 |
| CN120359747A (zh) * | 2023-11-22 | 2025-07-22 | 腾讯美国有限责任公司 | 解码器侧量化移位偏移预测 |
| CN119071487A (zh) * | 2024-07-09 | 2024-12-03 | 复旦大学 | 一种联合编码前滤波的自适应量化参数调整方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7620103B2 (en) | 2004-12-10 | 2009-11-17 | Lsi Corporation | Programmable quantization dead zone and threshold for standard-based H.264 and/or VC1 video encoding |
| US7889790B2 (en) * | 2005-12-20 | 2011-02-15 | Sharp Laboratories Of America, Inc. | Method and apparatus for dynamically adjusting quantization offset values |
| US7995649B2 (en) | 2006-04-07 | 2011-08-09 | Microsoft Corporation | Quantization adjustment based on texture level |
| US8767834B2 (en) * | 2007-03-09 | 2014-07-01 | Sharp Laboratories Of America, Inc. | Methods and systems for scalable-to-non-scalable bit-stream rewriting |
| ES2681209T3 (es) * | 2009-09-10 | 2018-09-12 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Técnicas de aceleración para una cuantificación optimizada de tasa de distorsión |
| TW201143448A (en) * | 2009-10-30 | 2011-12-01 | Panasonic Corp | Image encoding method, image decoding method, image encoding device and image decoding device |
| WO2011064926A1 (ja) * | 2009-11-30 | 2011-06-03 | 三菱電機株式会社 | 画像符号化装置、画像復号装置、画像符号化方法及び画像復号方法 |
| KR101492930B1 (ko) | 2010-09-14 | 2015-02-23 | 블랙베리 리미티드 | 변환 도메인 내의 어댑티브 필터링을 이용한 데이터 압축 방법 및 장치 |
| US9521410B2 (en) | 2012-04-26 | 2016-12-13 | Qualcomm Incorporated | Quantization parameter (QP) coding in video coding |
| US9560386B2 (en) | 2013-02-21 | 2017-01-31 | Mozilla Corporation | Pyramid vector quantization for video coding |
| US9294766B2 (en) * | 2013-09-09 | 2016-03-22 | Apple Inc. | Chroma quantization in video coding |
| KR102503900B1 (ko) * | 2015-10-05 | 2023-02-27 | 삼성전자주식회사 | 양자화 파라미터를 적응적으로 결정하는 인코더 및 이를 포함하는 애플리케이션 프로세서 |
| US10499056B2 (en) * | 2016-03-09 | 2019-12-03 | Sony Corporation | System and method for video processing based on quantization parameter |
| US20180048907A1 (en) * | 2016-08-11 | 2018-02-15 | Qualcomm Incorporated | Video coding tools for in-loop sample processing |
| US10721471B2 (en) | 2017-10-26 | 2020-07-21 | Intel Corporation | Deep learning based quantization parameter estimation for video encoding |
| US10681358B2 (en) * | 2017-12-19 | 2020-06-09 | Qualcomm Incorporated | Quantization parameter control for video coding with joined pixel/transform based quantization |
| US12058348B2 (en) | 2020-04-17 | 2024-08-06 | Qualcomm Incorporated | Parallelized rate-distortion optimized quantization using deep learning |
-
2021
- 2021-02-03 US US17/166,639 patent/US11490083B2/en active Active
- 2021-02-04 BR BR112022014854A patent/BR112022014854A2/pt unknown
- 2021-02-04 JP JP2022546463A patent/JP7681028B2/ja active Active
- 2021-02-04 WO PCT/US2021/016576 patent/WO2021158765A1/en not_active Ceased
- 2021-02-04 EP EP21709214.7A patent/EP4101167A1/en active Pending
- 2021-02-04 CN CN202180011712.1A patent/CN115053524B/zh active Active
- 2021-02-04 PH PH1/2022/551754A patent/PH12022551754A1/en unknown
- 2021-02-04 TW TW110104197A patent/TW202133620A/zh unknown
- 2021-02-04 KR KR1020227026543A patent/KR20220131255A/ko active Pending
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