CN108027961B - 用于从数字图像提供扩展的动态范围图像的方法和装置 - Google Patents

用于从数字图像提供扩展的动态范围图像的方法和装置 Download PDF

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CN108027961B
CN108027961B CN201680050153.4A CN201680050153A CN108027961B CN 108027961 B CN108027961 B CN 108027961B CN 201680050153 A CN201680050153 A CN 201680050153A CN 108027961 B CN108027961 B CN 108027961B
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luminance
image
pixel
dynamic range
block
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CN108027961A (zh
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T.保利
J.克尔维克
C.特鲍尔特
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InterDigital Madison Patent Holdings SAS
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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
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • 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)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
CN201680050153.4A 2015-08-31 2016-08-25 用于从数字图像提供扩展的动态范围图像的方法和装置 Active CN108027961B (zh)

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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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CN108027961B true CN108027961B (zh) 2021-11-23

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US (1) US10572983B2 (https=)
EP (1) EP3345155B1 (https=)
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KR (1) KR102523505B1 (https=)
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WO (1) WO2017036908A1 (https=)

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120201456A1 (en) * 2009-10-08 2012-08-09 International Business Machines Corporation Transforming a digital image from a low dynamic range (ldr) image to a high dynamic range (hdr) image
CN102722868A (zh) * 2012-05-23 2012-10-10 西安理工大学 一种高动态范围图像色调映射方法
CN103069809A (zh) * 2010-08-25 2013-04-24 杜比实验室特许公司 扩展图像动态范围

Family Cites Families (19)

* 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
US7613363B2 (en) * 2005-06-23 2009-11-03 Microsoft Corp. Image superresolution through edge extraction and contrast enhancement
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
US8314847B2 (en) 2010-05-25 2012-11-20 Apple Inc. Automatic tone mapping curve generation based on dynamically stretched image histogram distribution
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
KR102234092B1 (ko) * 2013-12-27 2021-04-01 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 이미지의 역 톤 매핑을 위한 방법
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120201456A1 (en) * 2009-10-08 2012-08-09 International Business Machines Corporation Transforming a digital image from a low dynamic range (ldr) image to a high dynamic range (hdr) image
CN103069809A (zh) * 2010-08-25 2013-04-24 杜比实验室特许公司 扩展图像动态范围
CN102722868A (zh) * 2012-05-23 2012-10-10 西安理工大学 一种高动态范围图像色调映射方法

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Publication number Publication date
CN108027961A (zh) 2018-05-11
JP2018527675A (ja) 2018-09-20
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
KR102523505B1 (ko) 2023-04-18

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