KR102523505B1 - 역 톤 매핑을 위한 방법 및 장치 - Google Patents

역 톤 매핑을 위한 방법 및 장치 Download PDF

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KR102523505B1
KR102523505B1 KR1020187005157A KR20187005157A KR102523505B1 KR 102523505 B1 KR102523505 B1 KR 102523505B1 KR 1020187005157 A KR1020187005157 A KR 1020187005157A KR 20187005157 A KR20187005157 A KR 20187005157A KR 102523505 B1 KR102523505 B1 KR 102523505B1
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KR20180048627A (ko
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타니아 포울리
요나단 케르베끄
세드릭 테볼트
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인터디지털 매디슨 페턴트 홀딩스 에스에이에스
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • G06T5/94Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • G06T5/008
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/13Edge detection
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20172Image enhancement details
    • G06T2207/20208High dynamic range [HDR] image processing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
KR1020187005157A 2015-08-31 2016-08-25 역 톤 매핑을 위한 방법 및 장치 Active KR102523505B1 (ko)

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EP15306337.5 2015-08-31
EP15306337 2015-08-31
PCT/EP2016/070059 WO2017036908A1 (en) 2015-08-31 2016-08-25 Method and apparatus for inverse tone mapping

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KR102523505B1 true KR102523505B1 (ko) 2023-04-18

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US (1) US10572983B2 (https=)
EP (1) EP3345155B1 (https=)
JP (1) JP6803378B2 (https=)
KR (1) KR102523505B1 (https=)
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Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6237797B2 (ja) * 2016-01-05 2017-11-29 ソニー株式会社 ビデオシステム、ビデオ処理方法、プログラム、およびビデオコンバーター
EP3319013A1 (en) * 2016-11-03 2018-05-09 Thomson Licensing Method and device for estimating cast shadow regions and/or highlight regions in images
US10096089B2 (en) * 2017-01-04 2018-10-09 Facebook, Inc. Accelerated skin smoothing effect
EP3418972A1 (en) 2017-06-23 2018-12-26 Thomson Licensing Method for tone adapting an image to a target peak luminance lt of a target display device
EP3462743A1 (en) 2017-09-27 2019-04-03 Thomson Licensing Device and method for dynamic range expansion in a virtual reality scene
KR102460390B1 (ko) * 2018-01-24 2022-10-28 삼성전자주식회사 영상 처리 장치, 영상 처리 방법 및 컴퓨터 판독가능 기록 매체
CN109544463A (zh) * 2018-10-17 2019-03-29 天津大学 基于图像内容的逆色调映射方法
CN109785263B (zh) * 2019-01-14 2022-09-16 北京大学深圳研究生院 一种基于Retinex的逆色调映射图像转换方法
CN115052137B (zh) 2019-10-18 2023-09-26 华为技术有限公司 一种饱和度调整的方法及装置
CN110910333B (zh) * 2019-12-12 2023-03-14 腾讯科技(深圳)有限公司 图像处理方法和图像处理设备
CN112200753B (zh) * 2020-10-30 2023-02-10 青岛海泰新光科技股份有限公司 一种图像宽动态范围的处理方法
CN112866507B (zh) * 2021-01-13 2023-01-10 中国传媒大学 智能化的全景视频合成方法、系统、电子设备及介质
EP4441697B1 (en) * 2021-11-29 2025-12-24 Dolby Laboratories Licensing Corporation Denoising for sdr-to-hdr local reshaping
WO2023094871A1 (en) * 2021-11-29 2023-06-01 Weta Digital Limited Increasing dynamic range of a virtual production display
KR102564447B1 (ko) * 2021-11-30 2023-08-08 엘지전자 주식회사 디스플레이 장치
CN114187204B (zh) * 2021-12-14 2024-12-03 成都微光集电科技有限公司 黑边优化的图像处理方法及其装置、设备和存储介质
CN114519673B (zh) * 2022-01-17 2025-03-14 江苏大学 基于l2正则化优化模型的边缘感知图像处理方法
US12002189B2 (en) * 2022-03-02 2024-06-04 Nvidia Corporation Remastering lower dynamic range content for higher dynamic range displays
JP2023160661A (ja) * 2022-04-22 2023-11-02 キヤノン株式会社 画像処理装置、画像処理方法、及びコンピュータプログラム
CN119967184A (zh) * 2023-11-08 2025-05-09 华为技术有限公司 编码方法、信号处理方法和相关设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060290950A1 (en) 2005-06-23 2006-12-28 Microsoft Corporation Image superresolution through edge extraction and contrast enhancement
WO2015096955A1 (en) 2013-12-27 2015-07-02 Thomson Licensing Method for inverse tone mapping of an image

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8721565D0 (en) * 1987-09-14 1987-10-21 Rca Corp Video signal processing system
US4967263A (en) * 1988-09-07 1990-10-30 General Electric Company Widescreen television signal processor system with interpolator for reducing artifacts
US5343254A (en) * 1991-04-25 1994-08-30 Olympus Optical Co., Ltd. Image signal processing device capable of suppressing nonuniformity of illumination
GB2357649A (en) * 1999-12-22 2001-06-27 Nokia Mobile Phones Ltd Image enhancement using inverse histogram based pixel mapping
US7002408B2 (en) 2003-10-15 2006-02-21 Varian Medical Systems Technologies, Inc. Data signal amplifier and processor with multiple signal gains for increased dynamic signal range
US7525583B2 (en) * 2005-02-11 2009-04-28 Hewlett-Packard Development Company, L.P. Decreasing aliasing in electronic images
US8155454B2 (en) * 2006-07-20 2012-04-10 Qualcomm Incorporated Method and apparatus for encoder assisted post-processing
US8253752B2 (en) * 2006-07-20 2012-08-28 Qualcomm Incorporated Method and apparatus for encoder assisted pre-processing
US7933445B2 (en) * 2007-01-09 2011-04-26 Sharp Laboratories Of America, Inc. Color gamut mapping/enhancement technique using skin color detection
US8050496B2 (en) * 2007-01-09 2011-11-01 Sharp Laboratories Of America, Inc. Color gamut mapping/enhancement technique using skin color detection
US8131110B2 (en) * 2008-07-03 2012-03-06 Seiko Epson Corporation Reducing signal overshoots and undershoots in demosaicking
US8238654B2 (en) * 2009-01-30 2012-08-07 Sharp Laboratories Of America, Inc. Skin color cognizant GMA with luminance equalization
JP5752133B2 (ja) * 2009-10-08 2015-07-22 インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation デジタル画像を低ダイナミック・レンジ(ldr)画像から高ダイナミック・レンジ(hdr)画像に変換するための方法およびシステム
US8314847B2 (en) 2010-05-25 2012-11-20 Apple Inc. Automatic tone mapping curve generation based on dynamically stretched image histogram distribution
TWI479898B (zh) * 2010-08-25 2015-04-01 杜比實驗室特許公司 擴展影像動態範圍
PH12017502053B1 (en) 2011-09-27 2024-06-21 Koninklijke Philips Electronics Nv Apparatus and method for dynamic range transforming of images
EP2803190B1 (en) 2012-01-09 2017-10-25 Dolby Laboratories Licensing Corporation Hybrid reference picture reconstruction method for multiple layered video coding systems
CN102722868B (zh) * 2012-05-23 2014-08-20 西安理工大学 一种高动态范围图像色调映射方法
CN105993175B (zh) 2014-02-13 2019-01-18 杜比国际公司 用于具有增强动态范围的信号的分段层间预测
CN104463820A (zh) * 2014-10-29 2015-03-25 广东工业大学 一种基于频域的反色调映射算法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060290950A1 (en) 2005-06-23 2006-12-28 Microsoft Corporation Image superresolution through edge extraction and contrast enhancement
WO2015096955A1 (en) 2013-12-27 2015-07-02 Thomson Licensing Method for inverse tone mapping of an image

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Francesco Banterle et al., High Dynamic Range Imaging and Low Dynamic Range Expansion for Generating HDR Content, COMPUTER GRAPHICS forum, Volume 28, number 8, pp. 2343-2367, Dec. 2009(2009.12.31.) 1부*

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CN108027961A (zh) 2018-05-11
JP2018527675A (ja) 2018-09-20
CN108027961B (zh) 2021-11-23
KR20180048627A (ko) 2018-05-10
US10572983B2 (en) 2020-02-25
JP6803378B2 (ja) 2020-12-23
EP3345155A1 (en) 2018-07-11
EP3345155B1 (en) 2019-06-26
US20180253834A1 (en) 2018-09-06
WO2017036908A1 (en) 2017-03-09

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