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

역 톤 매핑을 위한 방법 및 장치 Download PDF

Info

Publication number
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
Authority
KR
South Korea
Prior art keywords
edge
value
pixel
luminance
slope
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
KR1020187005157A
Other languages
English (en)
Korean (ko)
Other versions
KR20180048627A (ko
Inventor
타니아 포울리
요나단 케르베끄
세드릭 테볼트
Original Assignee
인터디지털 매디슨 페턴트 홀딩스 에스에이에스
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 매디슨 페턴트 홀딩스 에스에이에스 filed Critical 인터디지털 매디슨 페턴트 홀딩스 에스에이에스
Publication of KR20180048627A publication Critical patent/KR20180048627A/ko
Application granted granted Critical
Publication of KR102523505B1 publication Critical patent/KR102523505B1/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
    • 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
    • G06T5/008—
    • 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

Landscapes

  • 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)
KR1020187005157A 2015-08-31 2016-08-25 역 톤 매핑을 위한 방법 및 장치 Active KR102523505B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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

Publications (2)

Publication Number Publication Date
KR20180048627A KR20180048627A (ko) 2018-05-10
KR102523505B1 true KR102523505B1 (ko) 2023-04-18

Family

ID=54148447

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187005157A Active KR102523505B1 (ko) 2015-08-31 2016-08-25 역 톤 매핑을 위한 방법 및 장치

Country Status (6)

Country Link
US (1) US10572983B2 (enExample)
EP (1) EP3345155B1 (enExample)
JP (1) JP6803378B2 (enExample)
KR (1) KR102523505B1 (enExample)
CN (1) CN108027961B (enExample)
WO (1) WO2017036908A1 (enExample)

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
CN112689137B (zh) * 2019-10-18 2022-05-10 华为技术有限公司 一种视频信号处理方法及装置
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
JP7627389B2 (ja) * 2021-11-29 2025-02-05 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 Ｓｄｒ－ｈｄｒ局所的再構成のためのノイズ除去
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
US8253752B2 (en) * 2006-07-20 2012-08-28 Qualcomm Incorporated Method and apparatus for encoder assisted pre-processing
US8155454B2 (en) * 2006-07-20 2012-04-10 Qualcomm Incorporated Method and apparatus for encoder assisted post-processing
US8050496B2 (en) * 2007-01-09 2011-11-01 Sharp Laboratories Of America, Inc. Color gamut mapping/enhancement technique using skin color detection
US7933445B2 (en) * 2007-01-09 2011-04-26 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
US9020257B2 (en) * 2009-10-08 2015-04-28 International Business Machines Corporation Transforming a digital image from a low dynamic range (LDR) image to a high dynamic range (HDR) image
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 Dolby Lab Licensing Corp 擴展影像動態範圍
RU2761120C2 (ru) 2011-09-27 2021-12-06 Конинклейке Филипс Н.В. Устройство и способ для преобразования динамического диапазона изображений
US9756353B2 (en) 2012-01-09 2017-09-05 Dolby Laboratories Licensing Corporation Hybrid reference picture reconstruction method for single and 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
JP6253794B2 (ja) 2014-02-13 2017-12-27 ドルビー・インターナショナル・アーベー エンハンストダイナミックレンジを備える信号のための区分的階層間予測
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*

Also Published As

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

Similar Documents

Publication Publication Date Title
KR102523505B1 (ko) 역 톤 매핑을 위한 방법 및 장치
JP6461165B2 (ja) 画像の逆トーンマッピングの方法
EP2852152B1 (en) Image processing method, apparatus and shooting terminal
EP3341913B1 (en) Inverse tone mapping based on luminance zones
US9641820B2 (en) Advanced multi-band noise reduction
US20120093433A1 (en) Dynamic Adjustment of Noise Filter Strengths for use with Dynamic Range Enhancement of Images
US11508046B2 (en) Object aware local tone mapping
US12340491B2 (en) Generating HDR image from corresponding camera raw and SDR images
Albu et al. One scan shadow compensation and visual enhancement of color images
JP6786273B2 (ja) 画像処理装置、画像処理方法、及びプログラム
JP6335614B2 (ja) 画像処理装置、その制御方法、及びプログラム
Deever et al. Digital camera image formation: Processing and storage
JP2011076302A (ja) 輪郭抽出装置、輪郭抽出方法、および輪郭抽出プログラム
CN118355404A (zh) 用于sdr到hdr局部整形的去噪

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20180221

Patent event code: PA01051R01D

Comment text: International Patent Application

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

Patent event date: 20210422

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: 20210713

Comment text: Request for Examination of Application

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

Comment text: Notification of reason for refusal

Patent event date: 20220805

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: 20230222

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20230414

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20230414

End annual number: 3

Start annual number: 1

PG1601 Publication of registration