KR102475139B1 - 이미지를 타겟 디스플레이 디바이스의 타겟 피크 휘도 lt에 톤 적응시키기 위한 방법 - Google Patents

이미지를 타겟 디스플레이 디바이스의 타겟 피크 휘도 lt에 톤 적응시키기 위한 방법 Download PDF

Info

Publication number
KR102475139B1
KR102475139B1 KR1020180070797A KR20180070797A KR102475139B1 KR 102475139 B1 KR102475139 B1 KR 102475139B1 KR 1020180070797 A KR1020180070797 A KR 1020180070797A KR 20180070797 A KR20180070797 A KR 20180070797A KR 102475139 B1 KR102475139 B1 KR 102475139B1
Authority
KR
South Korea
Prior art keywords
dynamic range
ldr
hdr
low
image
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.)
Active
Application number
KR1020180070797A
Other languages
English (en)
Korean (ko)
Other versions
KR20190000811A (ko
Inventor
로렁 꼬뱅
따니아 뿔리
조나단 께르벡
Original Assignee
인터디지털 브이씨 홀딩스 인코포레이티드
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 인터디지털 브이씨 홀딩스 인코포레이티드 filed Critical 인터디지털 브이씨 홀딩스 인코포레이티드
Publication of KR20190000811A publication Critical patent/KR20190000811A/ko
Application granted granted Critical
Publication of KR102475139B1 publication Critical patent/KR102475139B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G06T5/007—
    • 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
    • G06T2207/10024—Color image
    • 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
    • G06T2207/20024—Filtering details
    • 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)
  • Processing Of Color Television Signals (AREA)
KR1020180070797A 2017-06-23 2018-06-20 이미지를 타겟 디스플레이 디바이스의 타겟 피크 휘도 lt에 톤 적응시키기 위한 방법 Active KR102475139B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17305778.7 2017-06-23
EP17305778.7A EP3418972A1 (en) 2017-06-23 2017-06-23 Method for tone adapting an image to a target peak luminance lt of a target display device

Publications (2)

Publication Number Publication Date
KR20190000811A KR20190000811A (ko) 2019-01-03
KR102475139B1 true KR102475139B1 (ko) 2022-12-07

Family

ID=59276650

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020180070797A Active KR102475139B1 (ko) 2017-06-23 2018-06-20 이미지를 타겟 디스플레이 디바이스의 타겟 피크 휘도 lt에 톤 적응시키기 위한 방법

Country Status (5)

Country Link
US (1) US10510140B2 (https=)
EP (2) EP3418972A1 (https=)
JP (1) JP7141862B2 (https=)
KR (1) KR102475139B1 (https=)
CN (1) CN109118436B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3477946A1 (en) * 2017-10-31 2019-05-01 Thomson Licensing Method and device for obtaining a second image from a first image when the dynamic range of the luminance of said first image is greater than the dynamic range of the luminance of said second image
CN110223256A (zh) * 2019-06-10 2019-09-10 北京大学深圳研究生院 一种逆色调映射方法、装置及电子设备
EP3764346A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images
EP4115383B1 (en) * 2020-03-02 2025-10-29 InterDigital CE Patent Holdings, SAS Method and apparatus for inverse tone mapping
EP4172928A1 (en) * 2020-06-26 2023-05-03 InterDigital CE Patent Holdings, SAS Inverse tone mapping with adaptive bright-spot attenuation
KR102564447B1 (ko) * 2021-11-30 2023-08-08 엘지전자 주식회사 디스플레이 장치
CN118175246A (zh) * 2022-12-09 2024-06-11 荣耀终端有限公司 处理视频的方法、显示设备及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3136737A1 (en) 2015-08-25 2017-03-01 Thomson Licensing Method for inverse tone mapping of a sequence of images
WO2017036908A1 (en) 2015-08-31 2017-03-09 Thomson Licensing Method and apparatus for inverse tone mapping

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2669028C (en) 2006-11-27 2016-01-12 Dolby Laboratories Licensing Corporation Apparatus and methods for boosting dynamic range in digital images
US8135230B2 (en) * 2007-07-30 2012-03-13 Dolby Laboratories Licensing Corporation Enhancing dynamic ranges of images
US9571856B2 (en) 2008-08-25 2017-02-14 Microsoft Technology Licensing, Llc Conversion operations in scalable video encoding and decoding
EP2498499B1 (en) 2011-03-08 2018-04-18 Dolby Laboratories Licensing Corporation Interpolation of color gamut for display on target display
EP2684365A1 (en) 2011-03-10 2014-01-15 Dolby Laboratories Licensing Corporation Bitdepth and color scalable video coding
PH12017502053B1 (en) 2011-09-27 2024-06-21 Koninklijke Philips Electronics Nv Apparatus and method for dynamic range transforming of images
US9538989B2 (en) * 2011-10-20 2017-01-10 Hitachi, Ltd. Ultrasound imaging equipment and method
EP3072288B1 (en) 2013-11-22 2019-06-12 Dolby Laboratories Licensing Corporation Methods and systems for inverse tone mapping
KR102234092B1 (ko) * 2013-12-27 2021-04-01 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 이미지의 역 톤 매핑을 위한 방법
EP2958075A1 (en) * 2014-06-20 2015-12-23 Thomson Licensing Method and apparatus for dynamic range expansion of LDR video sequence
PL3231174T3 (pl) 2014-12-11 2021-03-08 Koninklijke Philips N.V. Optymalizacja obrazów o wysokim zakresie dynamiki dla konkretnych wyświetlaczy
CN104408752B (zh) * 2014-12-11 2017-07-04 西安电子科技大学 一种基于混合色调映射算法的高动态范围图像压缩方法
EP3079364A1 (en) * 2015-04-09 2016-10-12 Thomson Licensing Methods and devices for generating, encoding or decoding images with a first dynamic range, and corresponding computer program products and computer-readable medium
CN104881854B (zh) * 2015-05-20 2017-10-31 天津大学 基于梯度和亮度信息的高动态范围图像融合方法
CN107949864B (zh) 2015-08-25 2023-05-16 交互数字麦迪逊专利控股公司 基于亮度区域的逆色调映射
WO2017190786A1 (en) * 2016-05-04 2017-11-09 1/1Thomson Licensing Optimized content-adaptive inverse tone mapping for low to high dynamic range conversion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3136737A1 (en) 2015-08-25 2017-03-01 Thomson Licensing Method for inverse tone mapping of a sequence of images
WO2017036908A1 (en) 2015-08-31 2017-03-09 Thomson Licensing Method and apparatus for inverse tone mapping

Also Published As

Publication number Publication date
CN109118436B (zh) 2023-11-03
CN109118436A (zh) 2019-01-01
US20180374202A1 (en) 2018-12-27
JP2019008789A (ja) 2019-01-17
KR20190000811A (ko) 2019-01-03
EP3418972A1 (en) 2018-12-26
JP7141862B2 (ja) 2022-09-26
EP3418973B1 (en) 2022-01-12
US10510140B2 (en) 2019-12-17
EP3418973A1 (en) 2018-12-26

Similar Documents

Publication Publication Date Title
KR102475139B1 (ko) 이미지를 타겟 디스플레이 디바이스의 타겟 피크 휘도 lt에 톤 적응시키기 위한 방법
JP7432496B2 (ja) 異なる表示機能の間で知覚ルミナンス非線形性ベースの画像データ交換を改善する装置および方法
US9613407B2 (en) Display management for high dynamic range video
JP6443857B2 (ja) 画像処理装置、画像処理方法、及び、プログラム
US10332481B2 (en) Adaptive display management using 3D look-up table interpolation
JP2018510574A (ja) ハイダイナミックレンジ映像のためのディスプレイマネジメント
US10798321B2 (en) Bit-depth efficient image processing
EP2896198A1 (en) Display management for images with enhanced dynamic range
EP3659339B1 (en) Single-channel inverse mapping for image/video processing
JP6552228B2 (ja) 画像表示装置及びその制御方法
JP6376767B2 (ja) 画像処理装置及び画像処理方法
CN115499632B (zh) 一种图像信号转换处理方法、装置及终端设备
WO2019023202A1 (en) REVERSE MONOCANAL MAPPING FOR IMAGE / VIDEO PROCESSING
US10387999B2 (en) Image processing apparatus, non-transitory computer-readable medium storing computer program, and image processing method
JP2019080156A (ja) 画像処理方法および画像処理装置
JP6739257B2 (ja) 画像処理装置とその制御方法及びプログラム
CN111064967A (zh) 图像的压缩方法、装置、系统和存储介质
JP6867774B2 (ja) 画像符号化装置及びその制御方法
JP2023130222A (ja) 画像処理装置、制御方法及びプログラム
EP4058976B1 (en) Device and method for pre-processing image data for a computer vision application
JP4632100B2 (ja) 画像処理装置、画像処理方法、記録媒体、およびプログラム
EP2958327A1 (en) Method and device for encoding a sequence of pictures
JP6602414B2 (ja) 装置、方法、及びプログラム
JP2016045392A (ja) 画像処理装置、画像処理方法、及び、プログラム
JP6628925B2 (ja) 画像表示装置及びその制御方法

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20180620

PG1501 Laying open of application
N231 Notification of change of applicant
PN2301 Change of applicant

Patent event date: 20191202

Comment text: Notification of Change of Applicant

Patent event code: PN23011R01D

A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20210607

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 20180620

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20220614

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20220902

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20221202

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20221205

End annual number: 3

Start annual number: 1

PG1601 Publication of registration