JP7141862B2 - 対象表示装置の目標ピーク輝度へ画像をトーン適応させる方法 - Google Patents

対象表示装置の目標ピーク輝度へ画像をトーン適応させる方法 Download PDF

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JP7141862B2
JP7141862B2 JP2018114485A JP2018114485A JP7141862B2 JP 7141862 B2 JP7141862 B2 JP 7141862B2 JP 2018114485 A JP2018114485 A JP 2018114485A JP 2018114485 A JP2018114485 A JP 2018114485A JP 7141862 B2 JP7141862 B2 JP 7141862B2
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dynamic range
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low
hdr
image
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JP2019008789A (ja
JP2019008789A5 (enExample
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コーヴァン，ローラン
ポーリ，タニア
ケルヴェ，ジョナサン
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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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
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Processing Of Color Television Signals (AREA)
JP2018114485A 2017-06-23 2018-06-15 対象表示装置の目標ピーク輝度へ画像をトーン適応させる方法 Active JP7141862B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
EP17305778.7 2017-06-23

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JP2019008789A JP2019008789A (ja) 2019-01-17
JP2019008789A5 JP2019008789A5 (enExample) 2021-07-26
JP7141862B2 true JP7141862B2 (ja) 2022-09-26

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US (1) US10510140B2 (enExample)
EP (2) EP3418972A1 (enExample)
JP (1) JP7141862B2 (enExample)
KR (1) KR102475139B1 (enExample)
CN (1) CN109118436B (enExample)

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* 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
DK4115383T3 (da) * 2020-03-02 2025-12-15 Interdigital Ce Patent Holdings Sas Fremgangsmåde og indretning til omvendt tonekortlægning
US20230267579A1 (en) * 2020-06-26 2023-08-24 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

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US20120229495A1 (en) 2011-03-08 2012-09-13 Dolby Laboratories Licensing Corporation Interpolation of Color Gamut For Display on Target Display
JP2017502602A (ja) 2013-12-27 2017-01-19 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 画像の逆トーンマッピングの方法
US20170061590A1 (en) 2015-08-25 2017-03-02 Thomson Licensing Method for inverse tone mapping of a sequence of images

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JP5411706B2 (ja) 2006-11-27 2014-02-12 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 デジタル画像のダイナミックレンジを増強するための装置及び方法
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
EP2684365A1 (en) 2011-03-10 2014-01-15 Dolby Laboratories Licensing Corporation Bitdepth and color scalable video coding
US11640656B2 (en) 2011-09-27 2023-05-02 Koninklijke Philips N.V. Apparatus and method for dynamic range transforming of images
US9538989B2 (en) * 2011-10-20 2017-01-10 Hitachi, Ltd. Ultrasound imaging equipment and method
CN105745914B (zh) 2013-11-22 2018-09-07 杜比实验室特许公司 用于逆色调映射的方法和系统
EP2958075A1 (en) * 2014-06-20 2015-12-23 Thomson Licensing Method and apparatus for dynamic range expansion of LDR video sequence
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
US10366672B2 (en) 2014-12-11 2019-07-30 Koninklijke Philips N.V. Optimizing high dynamic range images for particular displays
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
KR102531222B1 (ko) 2015-08-25 2023-05-10 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 루미넌스 존들에 기초한 역 톤 맵핑
US10572983B2 (en) 2015-08-31 2020-02-25 Interdigital Vc Holdings, Inc. Method and apparatus for inverse tone mapping
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 (3)

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Publication number Priority date Publication date Assignee Title
US20120229495A1 (en) 2011-03-08 2012-09-13 Dolby Laboratories Licensing Corporation Interpolation of Color Gamut For Display on Target Display
JP2017502602A (ja) 2013-12-27 2017-01-19 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 画像の逆トーンマッピングの方法
US20170061590A1 (en) 2015-08-25 2017-03-02 Thomson Licensing Method for inverse tone mapping of a sequence of images

Also Published As

Publication number Publication date
KR20190000811A (ko) 2019-01-03
JP2019008789A (ja) 2019-01-17
KR102475139B1 (ko) 2022-12-07
EP3418972A1 (en) 2018-12-26
US20180374202A1 (en) 2018-12-27
CN109118436A (zh) 2019-01-01
EP3418973A1 (en) 2018-12-26
US10510140B2 (en) 2019-12-17
EP3418973B1 (en) 2022-01-12
CN109118436B (zh) 2023-11-03

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