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 (1) CN115428006A (pl)
PL (1) PL4028987T3 (pl)
WO (1) WO2021223205A1 (pl)

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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
JP2020036791A (ja) * 2018-09-05 2020-03-12 株式会社三洋物産 遊技機
WO2021223205A1 (en) 2020-05-08 2021-11-11 Huawei Technologies Co., Ltd. Encoder, decoder, system, and method for determining tone mapping curve parameters
CN116681598A (zh) * 2022-02-23 2023-09-01 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
US20240029219A1 (en) * 2022-07-25 2024-01-25 Nbcuniversal Media, Llc Dynamic tone-mapping system normalized around reference white
CN118488155B (zh) * 2023-10-23 2025-03-14 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

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WO2021223205A1 (en) 2020-05-08 2021-11-11 Huawei Technologies Co., Ltd. Encoder, decoder, system, and method for determining tone mapping curve parameters
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
KR102727392B1 (ko) 2024-11-06
JP2023525284A (ja) 2023-06-15
KR20230002720A (ko) 2023-01-05
JP7741236B2 (ja) 2025-09-17
JP2024086904A (ja) 2024-06-28
EP4028987B1 (en) 2025-07-09
US20230057829A1 (en) 2023-02-23
US12444033B2 (en) 2025-10-14
WO2021223205A1 (en) 2021-11-11
EP4028987A1 (en) 2022-07-20
JP7476354B2 (ja) 2024-04-30
CN115428006A (zh) 2022-12-02
EP4028987A4 (en) 2022-10-12

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