CA3235637A1 - Coupled inverse tone mapping and tone mapping - Google Patents

Coupled inverse tone mapping and tone mapping Download PDF

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Publication number
CA3235637A1
CA3235637A1 CA3235637A CA3235637A CA3235637A1 CA 3235637 A1 CA3235637 A1 CA 3235637A1 CA 3235637 A CA3235637 A CA 3235637A CA 3235637 A CA3235637 A CA 3235637A CA 3235637 A1 CA3235637 A1 CA 3235637A1
Authority
CA
Canada
Prior art keywords
dynamic range
tone mapping
range data
representative
information
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.)
Pending
Application number
CA3235637A
Other languages
English (en)
French (fr)
Inventor
David Touze
Laurent Cauvin
Patrick Lopez
Robin LE NAOUR
Jean-Luc Jumpertz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital CE Patent Holdings SAS
Original Assignee
InterDigital CE Patent Holdings SAS
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 InterDigital CE Patent Holdings SAS filed Critical InterDigital CE Patent Holdings SAS
Publication of CA3235637A1 publication Critical patent/CA3235637A1/en
Pending legal-status Critical Current

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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
    • 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)
CA3235637A 2021-10-27 2022-10-11 Coupled inverse tone mapping and tone mapping Pending CA3235637A1 (en)

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
CA3235637A1 true CA3235637A1 (en) 2023-05-04

Family

ID=78592790

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3235637A Pending CA3235637A1 (en) 2021-10-27 2022-10-11 Coupled inverse tone mapping and tone mapping

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
Publication number Priority date Publication date Assignee Title
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
JP2024541830A (ja) 2024-11-13
WO2023072582A1 (en) 2023-05-04
TW202318866A (zh) 2023-05-01
KR20240089759A (ko) 2024-06-20
CN118451447A (zh) 2024-08-06
EP4423709A1 (en) 2024-09-04
US20250131545A1 (en) 2025-04-24

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