JP2018533860A5 - - Google Patents
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- JP2018533860A5 JP2018533860A5 JP2018511283A JP2018511283A JP2018533860A5 JP 2018533860 A5 JP2018533860 A5 JP 2018533860A5 JP 2018511283 A JP2018511283 A JP 2018511283A JP 2018511283 A JP2018511283 A JP 2018511283A JP 2018533860 A5 JP2018533860 A5 JP 2018533860A5
- Authority
- JP
- Japan
- Prior art keywords
- block
- quantization parameter
- luminance
- quantization
- video
- 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
- 238000013139 quantization Methods 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 30
- 230000004313 glare Effects 0.000 claims description 4
- 230000000873 masking effect Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15306348 | 2015-09-02 | ||
| EP15306348.2 | 2015-09-02 | ||
| PCT/EP2016/070711 WO2017037228A1 (en) | 2015-09-02 | 2016-09-02 | Method and apparatus for quantization in video encoding and decoding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018533860A JP2018533860A (ja) | 2018-11-15 |
| JP2018533860A5 true JP2018533860A5 (enExample) | 2019-10-03 |
| JP6989491B2 JP6989491B2 (ja) | 2022-01-05 |
Family
ID=54148449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018511283A Active JP6989491B2 (ja) | 2015-09-02 | 2016-09-02 | ビデオの符号化および復号における量子化の方法および装置 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10491899B2 (enExample) |
| EP (1) | EP3345395A1 (enExample) |
| JP (1) | JP6989491B2 (enExample) |
| KR (1) | KR102798591B1 (enExample) |
| CN (1) | CN108141598B (enExample) |
| CA (1) | CA2996349A1 (enExample) |
| MX (1) | MX2018002646A (enExample) |
| RU (1) | RU2018111430A (enExample) |
| TW (1) | TWI727968B (enExample) |
| WO (1) | WO2017037228A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10778978B2 (en) * | 2017-08-21 | 2020-09-15 | Qualcomm Incorporated | System and method of cross-component dynamic range adjustment (CC-DRA) in video coding |
| WO2020004833A1 (ko) * | 2018-06-29 | 2020-01-02 | 엘지전자 주식회사 | Dc 계수를 적응적으로 결정하는 방법 및 그 장치 |
| US10931950B2 (en) | 2018-11-19 | 2021-02-23 | Intel Corporation | Content adaptive quantization for video coding |
| KR20240049623A (ko) * | 2018-12-30 | 2024-04-16 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 삼각형 예측을 위한 비디오 코딩 방법 및 장치 |
| CN113366839B (zh) * | 2019-01-31 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 视频编解码中的细化量化步骤 |
| CN110473149B (zh) * | 2019-03-13 | 2020-06-09 | 北方工业大学 | 关键大数据模糊化处理系统 |
| US11557264B2 (en) * | 2019-04-10 | 2023-01-17 | Hefei Reliance Memory Limited | Display driver system with embedded non-volatile memory |
| US12451101B2 (en) | 2019-04-10 | 2025-10-21 | Hefei Reliance Memory Limited | Display driver system with embedded non-volatile memory |
| CN110020695A (zh) * | 2019-04-19 | 2019-07-16 | 杭州电子科技大学 | 用于滤波器组多载波调制光通信系统的K-means非均匀量化算法 |
| AU2020260657A1 (en) * | 2019-04-26 | 2021-11-11 | Huawei Technologies Co., Ltd. | Method and apparatus for signaling of mapping function of chroma quantization parameter |
| US20220239915A1 (en) * | 2019-06-10 | 2022-07-28 | Realnetworks, Inc. | Perceptual adaptive quantization and rounding offset with piece-wise mapping function |
| EP4014226A4 (en) | 2019-09-12 | 2022-10-12 | Hefei Reliance Memory Limited | DISPLAY DRIVER INTEGRATED CIRCUIT HAVING BUILT-IN RESISTIVE RAM AND DISPLAY DEVICE COMPRISING THE SAME |
| CN112738515B (zh) * | 2020-12-28 | 2023-03-24 | 北京百度网讯科技有限公司 | 用于自适应量化的量化参数调整方法和装置 |
| WO2022220545A1 (ko) * | 2021-04-12 | 2022-10-20 | 엘지전자 주식회사 | 저주파 비분리 변환 설계 방법 및 장치 |
| US12262030B2 (en) * | 2022-04-13 | 2025-03-25 | Tencent America LLC | Chroma from luma prediction using neighbor luma samples |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3152765B2 (ja) * | 1991-10-31 | 2001-04-03 | 株式会社東芝 | 画像符号化装置 |
| JPH07288809A (ja) * | 1994-04-18 | 1995-10-31 | Sony Corp | ディジタル画像信号の符号化装置 |
| US5629780A (en) | 1994-12-19 | 1997-05-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Image data compression having minimum perceptual error |
| KR100355375B1 (ko) * | 1995-11-01 | 2002-12-26 | 삼성전자 주식회사 | 영상부호화장치에있어서양자화간격결정방법및회로 |
| US6363113B1 (en) | 1999-06-07 | 2002-03-26 | Lucent Technologies Inc. | Methods and apparatus for context-based perceptual quantization |
| US7280689B2 (en) * | 2002-07-05 | 2007-10-09 | Qdesign U.S.A., Inc. | Anti-compression techniques for visual images |
| US8243797B2 (en) * | 2007-03-30 | 2012-08-14 | Microsoft Corporation | Regions of interest for quality adjustments |
| JP5024632B2 (ja) | 2008-09-19 | 2012-09-12 | ソニー株式会社 | 画像処理装置および方法、並びにプログラム |
| US8279924B2 (en) * | 2008-10-03 | 2012-10-02 | Qualcomm Incorporated | Quantization parameter selections for encoding of chroma and luma video blocks |
| EP2317769A1 (en) * | 2009-11-02 | 2011-05-04 | Panasonic Corporation | Luminance dependent quantization |
| TW201134223A (en) * | 2010-03-29 | 2011-10-01 | Univ Nat Taiwan | Perceptual video encoding system and circuit thereof |
| WO2012137114A1 (en) * | 2011-04-08 | 2012-10-11 | Koninklijke Philips Electronics N.V. | Video encoding and decoding |
| JP6141295B2 (ja) * | 2011-10-30 | 2017-06-07 | エイチ・ディ・ツー・テクノロジーズ・プロプライエタリー・リミテッドＨｄ２ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｐｔｙ． Ｌｔｄ． | 知覚的に無損失のおよび知覚的に強調された画像圧縮システムならびに方法 |
| US20130188691A1 (en) * | 2012-01-20 | 2013-07-25 | Sony Corporation | Quantization matrix design for hevc standard |
| US9219916B2 (en) | 2012-06-12 | 2015-12-22 | Dolby Laboratories Licensing Corporation | Joint base layer and enhancement layer quantizer adaptation in EDR video coding |
| CN103297773B (zh) * | 2013-05-07 | 2016-05-04 | 福州大学 | 基于jnd模型的图像编码方法 |
| US20150006346A1 (en) * | 2013-06-28 | 2015-01-01 | Quisk, Inc. | Account engine with modular services and access channels |
| US20150063461A1 (en) * | 2013-08-27 | 2015-03-05 | Magnum Semiconductor, Inc. | Methods and apparatuses for adjusting macroblock quantization parameters to improve visual quality for lossy video encoding |
| KR101797505B1 (ko) | 2013-11-13 | 2017-12-12 | 엘지전자 주식회사 | Hdr 방송 서비스 제공을 위한 방송 신호 송수신 방법 및 장치 |
| EP2887664A1 (en) * | 2013-12-19 | 2015-06-24 | Thomson Licensing | Method and device for encoding a high-dynamic range image |
| CN104378636B (zh) * | 2014-11-10 | 2017-07-07 | 中安消技术有限公司 | 一种视频图像编码方法及装置 |
-
2016
- 2016-09-02 JP JP2018511283A patent/JP6989491B2/ja active Active
- 2016-09-02 WO PCT/EP2016/070711 patent/WO2017037228A1/en not_active Ceased
- 2016-09-02 RU RU2018111430A patent/RU2018111430A/ru not_active Application Discontinuation
- 2016-09-02 KR KR1020187005809A patent/KR102798591B1/ko active Active
- 2016-09-02 US US15/755,460 patent/US10491899B2/en active Active
- 2016-09-02 TW TW105128329A patent/TWI727968B/zh active
- 2016-09-02 MX MX2018002646A patent/MX2018002646A/es unknown
- 2016-09-02 CN CN201680057428.7A patent/CN108141598B/zh active Active
- 2016-09-02 EP EP16759798.8A patent/EP3345395A1/en not_active Ceased
- 2016-09-02 CA CA2996349A patent/CA2996349A1/en not_active Abandoned
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