PL4028987T3 - Koder, dekoder, system i sposób określania parametrów krzywej mapowania tonalnego - Google Patents

Koder, dekoder, system i sposób określania parametrów krzywej mapowania tonalnego

Info

Publication number
PL4028987T3
PL4028987T3 PL20934496.9T PL20934496T PL4028987T3 PL 4028987 T3 PL4028987 T3 PL 4028987T3 PL 20934496 T PL20934496 T PL 20934496T PL 4028987 T3 PL4028987 T3 PL 4028987T3
Authority
PL
Poland
Prior art keywords
decoder
encoder
tone mapping
mapping curve
curve parameters
Prior art date
Application number
PL20934496.9T
Other languages
English (en)
Inventor
Hu Chen
Yichuan Wang
Weiwei Xu
Quanhe YU
Elena Alexandrovna ALSHINA
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of PL4028987T3 publication Critical patent/PL4028987T3/pl

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Studio Devices (AREA)
  • Picture Signal Circuits (AREA)
PL20934496.9T 2020-05-08 2020-05-08 Koder, dekoder, system i sposób określania parametrów krzywej mapowania tonalnego PL4028987T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/089134 WO2021223205A1 (en) 2020-05-08 2020-05-08 Encoder, decoder, system, and method for determining tone mapping curve parameters

Publications (1)

Publication Number Publication Date
PL4028987T3 true PL4028987T3 (pl) 2025-10-20

Family

ID=78467683

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20934496.9T PL4028987T3 (pl) 2020-05-08 2020-05-08 Koder, dekoder, system i sposób określania parametrów krzywej mapowania tonalnego

Country Status (7)

Country Link
US (1) US12444033B2 (pl)
EP (1) EP4028987B1 (pl)
JP (2) JP7476354B2 (pl)
KR (1) KR102727392B1 (pl)
CN (2) CN115428006B (pl)
PL (1) PL4028987T3 (pl)
WO (1) WO2021223205A1 (pl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020036791A (ja) * 2018-09-05 2020-03-12 株式会社三洋物産 遊技機
JP2020036790A (ja) * 2018-09-05 2020-03-12 株式会社三洋物産 遊技機
JP2020036793A (ja) * 2018-09-05 2020-03-12 株式会社三洋物産 遊技機
PL4028987T3 (pl) 2020-05-08 2025-10-20 Huawei Technologies Co., Ltd. Koder, dekoder, system i sposób określania parametrów krzywej mapowania tonalnego
CN115272440A (zh) 2021-04-30 2022-11-01 华为技术有限公司 一种图像处理方法、设备及系统
CN116681598B (zh) * 2022-02-23 2026-04-17 深圳市汇顶科技股份有限公司 图像处理方法、芯片、电子设备和计算机可读存储介质
US12608781B2 (en) * 2022-07-25 2026-04-21 Nbcuniversal Media, Llc Dynamic tone-mapping system normalized around reference white
CN117440118B (zh) * 2023-10-23 2024-06-11 镕铭微电子(上海)有限公司 图像处理方法、装置、电子设备及存储介质

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4720537B2 (ja) 2006-02-27 2011-07-13 コニカミノルタホールディングス株式会社 撮像装置
JP4860551B2 (ja) * 2007-06-01 2012-01-25 株式会社キーエンス 拡大観察装置、高階調画像ファイル作成方法、高階調画像ファイル作成方法、高階調画像ファイル作成プログラム及びコンピュータで読み取り可能な記録媒体
EP2449526A1 (en) * 2009-06-29 2012-05-09 Thomson Licensing Zone-based tone mapping
WO2011102887A1 (en) * 2010-02-19 2011-08-25 Thomson Licensing Parameters interpolation for high dynamic range video tone mapping
US8314847B2 (en) * 2010-05-25 2012-11-20 Apple Inc. Automatic tone mapping curve generation based on dynamically stretched image histogram distribution
WO2011163438A1 (en) * 2010-06-25 2011-12-29 Thomson Licensing Graphical user interface for tone mapping high dynamic range video
TWI538473B (zh) * 2011-03-15 2016-06-11 杜比實驗室特許公司 影像資料轉換的方法與設備
ES2708954T3 (es) 2013-02-21 2019-04-12 Dolby Laboratories Licensing Corp Gestión de visualización para video de alto rango dinámico
CN105393525B (zh) * 2013-07-18 2019-04-12 皇家飞利浦有限公司 创建用于对hdr图像编码的代码映射函数的方法和装置以及使用这样的编码图像的方法和装置
RU2686642C2 (ru) * 2014-08-08 2019-04-29 Конинклейке Филипс Н.В. Способы и устройства для кодирования hdr-изображений
MX359721B (es) * 2015-01-19 2018-10-08 Dolby Laboratories Licensing Corp Gestión de pantalla para video de alta gama dinámica.
CN107258078B (zh) * 2015-01-30 2019-09-24 皇家飞利浦有限公司 简单但通用的动态范围编码
CN108702496B (zh) * 2015-09-02 2021-09-14 佛吉亚艾里斯泰克股份有限公司 用于实时色调映射的系统和方法
US9979895B2 (en) * 2015-09-04 2018-05-22 Disney Enterprises, Inc. High dynamic range tone mapping
US9984446B2 (en) * 2015-12-26 2018-05-29 Intel Corporation Video tone mapping for converting high dynamic range (HDR) content to standard dynamic range (SDR) content
EP3220349A1 (en) * 2016-03-16 2017-09-20 Thomson Licensing Methods, apparatus, and systems for extended high dynamic range ("hdr") hdr to hdr tone mapping
KR102337438B1 (ko) * 2016-03-18 2021-12-09 코닌클리케 필립스 엔.브이. Hdr 비디오의 인코딩 및 디코딩
US10219345B2 (en) * 2016-11-10 2019-02-26 Ledengin, Inc. Tunable LED emitter with continuous spectrum
WO2018111682A1 (en) * 2016-12-12 2018-06-21 Dolby Laboratories Licensing Corporation Systems and methods for adjusting video processing curves for high dynamic range images
US10176561B2 (en) * 2017-01-27 2019-01-08 Microsoft Technology Licensing, Llc Content-adaptive adjustments to tone mapping operations for high dynamic range content
DK3559901T3 (da) * 2017-02-15 2020-08-31 Dolby Laboratories Licensing Corp Tonekurveafbildning for billeder med højt dynamikområde
WO2018152063A1 (en) * 2017-02-15 2018-08-23 Dolby Laboratories Licensing Corporation Tone curve mapping for high dynamic range images
CN109691116B (zh) * 2017-06-21 2022-04-19 松下知识产权经营株式会社 影像显示装置及影像显示方法
US10755392B2 (en) * 2017-07-13 2020-08-25 Mediatek Inc. High-dynamic-range video tone mapping
US11336895B2 (en) * 2017-09-06 2022-05-17 Dolby Laboratories Licensing Corporation Tone-curve optimization method and associated video encoder and video decoder
MA51865A (fr) * 2018-02-14 2020-12-23 Dolby Laboratories Licensing Corp Redéfinition d'images dans un codage vidéo à l'aide d'une optimisation de distorsion du taux de codage
WO2019208256A1 (ja) * 2018-04-27 2019-10-31 ソニー株式会社 情報処理装置、情報処理方法、画像処理装置、画像処理方法、およびプログラム
CN108900823B (zh) * 2018-07-05 2019-07-12 华为技术有限公司 一种视频信号处理的方法及装置
JP6978634B1 (ja) * 2018-09-17 2021-12-08 ドルビー ラボラトリーズ ライセンシング コーポレイション パワー制限ディスプレイにおけるハイダイナミックレンジ画像のディスプレイマッピング
EP3764346A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images
CN116132648B (zh) * 2020-04-30 2025-09-16 华为技术有限公司 动态范围映射的方法和装置
PL4028987T3 (pl) 2020-05-08 2025-10-20 Huawei Technologies Co., Ltd. Koder, dekoder, system i sposób określania parametrów krzywej mapowania tonalnego
CN115619648A (zh) * 2021-07-14 2023-01-17 华为技术有限公司 全景图像的色调映射方法和装置

Also Published As

Publication number Publication date
JP7741236B2 (ja) 2025-09-17
US12444033B2 (en) 2025-10-14
JP2024086904A (ja) 2024-06-28
US20230057829A1 (en) 2023-02-23
CN115428006A (zh) 2022-12-02
CN115428006B (zh) 2026-01-23
CN121707899A (zh) 2026-03-20
WO2021223205A1 (en) 2021-11-11
JP7476354B2 (ja) 2024-04-30
JP2023525284A (ja) 2023-06-15
KR20230002720A (ko) 2023-01-05
KR102727392B1 (ko) 2024-11-06
EP4028987A1 (en) 2022-07-20
EP4028987A4 (en) 2022-10-12
EP4028987B1 (en) 2025-07-09

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