CN118451447A - 耦合的逆色调映射和色调映射 - Google Patents

耦合的逆色调映射和色调映射 Download PDF

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Publication number
CN118451447A
CN118451447A CN202280075223.7A CN202280075223A CN118451447A CN 118451447 A CN118451447 A CN 118451447A CN 202280075223 A CN202280075223 A CN 202280075223A CN 118451447 A CN118451447 A CN 118451447A
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CN
China
Prior art keywords
dynamic range
tone mapping
range data
hdr
data
Prior art date
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Pending
Application number
CN202280075223.7A
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English (en)
Chinese (zh)
Inventor
D·图兹
L·考文
P·洛佩兹
R·勒纳尔
J-L·祖姆佩茨
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InterDigital CE Patent Holdings SAS
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InterDigital CE Patent Holdings SAS
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Publication date
Application filed by InterDigital CE Patent Holdings SAS filed Critical InterDigital CE Patent Holdings SAS
Publication of CN118451447A publication Critical patent/CN118451447A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • G06T11/00—Two-dimensional [2D] image generation
    • G06T11/10—Texturing; Colouring; Generation of textures or colours
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/654—Transmission by server directed to the client
    • H04N21/6547—Transmission by server directed to the client comprising parameters, e.g. for client setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
    • 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
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20008—Globally adaptive
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
CN202280075223.7A 2021-10-27 2022-10-11 耦合的逆色调映射和色调映射 Pending CN118451447A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21306502.2 2021-10-27
EP21306502 2021-10-27
PCT/EP2022/078245 WO2023072582A1 (en) 2021-10-27 2022-10-11 Coupled inverse tone mapping and tone mapping

Publications (1)

Publication Number Publication Date
CN118451447A true CN118451447A (zh) 2024-08-06

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ID=78592790

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280075223.7A Pending CN118451447A (zh) 2021-10-27 2022-10-11 耦合的逆色调映射和色调映射

Country Status (8)

Country Link
US (1) US20250131545A1 (https=)
EP (1) EP4423709A1 (https=)
JP (1) JP2024541830A (https=)
KR (1) KR20240089759A (https=)
CN (1) CN118451447A (https=)
CA (1) CA3235637A1 (https=)
TW (1) TW202318866A (https=)
WO (1) WO2023072582A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118537276B (zh) * 2024-07-26 2024-12-10 合肥埃科光电科技股份有限公司 一种基于硬件实现的色彩调节方法、装置及存储介质
CN119599895B (zh) * 2024-12-16 2025-09-30 马栏山音视频实验室 图像转换方法、装置、设备及介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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WO2010105036A1 (en) * 2009-03-13 2010-09-16 Dolby Laboratories Licensing Corporation Layered compression of high dynamic range, visual dynamic range, and wide color gamut video
PL4421797T3 (pl) * 2011-09-27 2025-09-01 Koninklijke Philips N.V. Urządzenie i sposób do przekształcenia zakresu dynamiki obrazów
US20130162762A1 (en) * 2011-12-22 2013-06-27 2Dinto3D LLC Generating a supplemental video stream from a source video stream in a first output type format used to produce an output video stream in a second output type format
RU2654049C2 (ru) * 2013-07-19 2018-05-16 Конинклейке Филипс Н.В. Транспортировка hdr метаданных
EP2927865A1 (en) * 2014-04-01 2015-10-07 Thomson Licensing Method and apparatus for encoding and decoding HDR images
EP3111416A1 (en) * 2014-02-26 2017-01-04 Thomson Licensing Method and apparatus for encoding and decoding hdr images
JP6559803B2 (ja) * 2015-12-25 2019-08-14 シャープ株式会社 表示装置、表示装置の制御方法、制御プログラム、および記録媒体
US11183147B2 (en) * 2016-10-07 2021-11-23 Sony Semiconductor Solutions Corporation Device and method for processing video content for display control
US10402952B2 (en) * 2017-06-02 2019-09-03 Apple Inc. Perceptual tone mapping of SDR images for an HDR display
EP3672267A1 (en) * 2018-12-20 2020-06-24 InterDigital VC Holdings, Inc. Methods for processing audio and/or video contents and corresponding signal, devices, electronic assembly, system, computer readable program products and computer readable storage media
EP3672254A1 (en) * 2018-12-21 2020-06-24 InterDigital VC Holdings, Inc. Decoding an image
EP3839876A1 (en) * 2019-12-20 2021-06-23 Fondation B-COM Method for converting an image and corresponding device
US11544827B2 (en) * 2021-04-30 2023-01-03 Realnetworks, Inc. Hue-based video enhancement and rendering

Also Published As

Publication number Publication date
CA3235637A1 (en) 2023-05-04
JP2024541830A (ja) 2024-11-13
WO2023072582A1 (en) 2023-05-04
TW202318866A (zh) 2023-05-01
KR20240089759A (ko) 2024-06-20
EP4423709A1 (en) 2024-09-04
US20250131545A1 (en) 2025-04-24

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