JP6803378B2 - 逆トーンマッピングの方法及び装置 - Google Patents

逆トーンマッピングの方法及び装置 Download PDF

Info

Publication number
JP6803378B2
JP6803378B2 JP2018510794A JP2018510794A JP6803378B2 JP 6803378 B2 JP6803378 B2 JP 6803378B2 JP 2018510794 A JP2018510794 A JP 2018510794A JP 2018510794 A JP2018510794 A JP 2018510794A JP 6803378 B2 JP6803378 B2 JP 6803378B2
Authority
JP
Japan
Prior art keywords
pixel
edge
luminance
image
value
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
JP2018510794A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018527675A (ja
JP2018527675A5 (enExample
Inventor
ポウリ，タニア
ケルヴェック，ジョナサン
ティボー，セドリック
Original Assignee
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
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
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 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, 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 filed Critical 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
Publication of JP2018527675A publication Critical patent/JP2018527675A/ja
Publication of JP2018527675A5 publication Critical patent/JP2018527675A5/ja
Application granted granted Critical
Publication of JP6803378B2 publication Critical patent/JP6803378B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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)
JP2018510794A 2015-08-31 2016-08-25 逆トーンマッピングの方法及び装置 Active JP6803378B2 (ja)

Applications Claiming Priority (3)

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

Publications (3)

Publication Number Publication Date
JP2018527675A JP2018527675A (ja) 2018-09-20
JP2018527675A5 JP2018527675A5 (enExample) 2019-10-03
JP6803378B2 true JP6803378B2 (ja) 2020-12-23

Family

ID=54148447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018510794A Active JP6803378B2 (ja) 2015-08-31 2016-08-25 逆トーンマッピングの方法及び装置

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
WO2023094871A1 (en) * 2021-11-29 2023-06-01 Weta Digital Limited Increasing dynamic range of a virtual production display
WO2023096728A1 (en) * 2021-11-29 2023-06-01 Dolby Laboratories Licensing Corporation Denoising for sdr-to-hdr local reshaping
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

Family Cites Families (22)

* 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
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
GB2486348B (en) * 2009-10-08 2014-11-12 Ibm Method and system for 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
PL4421797T3 (pl) 2011-09-27 2025-09-01 Koninklijke Philips N.V. Urządzenie i sposób do przekształcenia zakresu dynamiki obrazów
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
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

Also Published As

Publication number Publication date
EP3345155B1 (en) 2019-06-26
KR20180048627A (ko) 2018-05-10
US20180253834A1 (en) 2018-09-06
EP3345155A1 (en) 2018-07-11
KR102523505B1 (ko) 2023-04-18
CN108027961A (zh) 2018-05-11
CN108027961B (zh) 2021-11-23
US10572983B2 (en) 2020-02-25
WO2017036908A1 (en) 2017-03-09
JP2018527675A (ja) 2018-09-20

Similar Documents

Publication Publication Date Title
JP6803378B2 (ja) 逆トーンマッピングの方法及び装置
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
US8405780B1 (en) Generating a clean reference image
CN111784605B (zh) 一种基于区域指导的图像降噪方法、计算机装置及计算机可读存储介质
CN111480177B (zh) 改进的逆色调映射方法和对应装置
CN107045715A (zh) 一种单幅低动态范围图像生成高动态范围图像的方法
CN111899197B (zh) 一种图像增亮去噪方法、装置、移动终端和存储介质
CN111915528B (zh) 一种图像增亮方法、装置、移动终端和存储介质
Kao High dynamic range imaging by fusing multiple raw images and tone reproduction
JP6235168B2 (ja) 区分に基づく画像変換
CN110023957B (zh) 用于估计图像中的投射阴影区域和/或加亮区域的方法和设备
JP2006024176A5 (enExample)
Deever et al. Digital camera image formation: Processing and storage
JP5202190B2 (ja) 画像処理方法及び画像処理装置
CN113674158A (zh) 图像处理方法、装置、设备及存储介质
JP4241774B2 (ja) 画像処理装置、画像処理方法及びプログラム
CN105894456B (zh) 一种基于正规化分层的高动态范围图像阶调映射方法
JP7627389B2 (ja) Ｓｄｒ－ｈｄｒ局所的再構成のためのノイズ除去
CN105430343A (zh) 一种低流量无线传输视频方法
WO2025081465A1 (zh) 图像处理方法、装置、设备及存储介质
Zhang et al. A layered tone-mapping operator based on contrast enhanced adaptive histogram equalization
CN118355404A (zh) 用于sdr到hdr局部整形的去噪
Suhaila et al. HE_OWW Filter for Enhancement of Wildlife Observation Digital Images in Limited Light Condition
JP2008147714A (ja) 画像処理装置およびその方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190819

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20190819

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20191106

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200821

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20201102

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20201116

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20201130

R150 Certificate of patent or registration of utility model

Ref document number: 6803378

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250