KR102291954B1 - 확장된 높은 동적 범위(hdr) 대 hdr 톤 매핑을 위한 방법, 장치 및 시스템 - Google Patents

확장된 높은 동적 범위(hdr) 대 hdr 톤 매핑을 위한 방법, 장치 및 시스템 Download PDF

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KR102291954B1
KR102291954B1 KR1020170032709A KR20170032709A KR102291954B1 KR 102291954 B1 KR102291954 B1 KR 102291954B1 KR 1020170032709 A KR1020170032709 A KR 1020170032709A KR 20170032709 A KR20170032709 A KR 20170032709A KR 102291954 B1 KR102291954 B1 KR 102291954B1
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hdr
luminance
tone
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slope
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모즈드 세피
에릭 라인하르트
귀욤 푸아리에
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인터디지털 매디슨 페턴트 홀딩스 에스에이에스
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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
    • G06T5/009—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • 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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KR1020170032709A 2016-03-16 2017-03-15 확장된 높은 동적 범위(hdr) 대 hdr 톤 매핑을 위한 방법, 장치 및 시스템 Active KR102291954B1 (ko)

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EP16305291.3A EP3220349A1 (en) 2016-03-16 2016-03-16 Methods, apparatus, and systems for extended high dynamic range ("hdr") hdr to hdr tone mapping

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026034742A1 (ko) * 2024-08-09 2026-02-12 삼성전자 주식회사 영상을 디스플레이하는 전자 장치 및 이를 이용한 디스플레이 방법

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10218952B2 (en) 2016-11-28 2019-02-26 Microsoft Technology Licensing, Llc Architecture for rendering high dynamic range video on enhanced dynamic range display devices
US20180152686A1 (en) * 2016-11-28 2018-05-31 Microsoft Technology Licensing, Llc Tone mapping functions for rendering high dynamic range video on enhanced dynamic range display devices
JP6852411B2 (ja) * 2017-01-19 2021-03-31 ソニー株式会社 映像信号処理装置、映像信号処理方法およびプログラム
US10104334B2 (en) 2017-01-27 2018-10-16 Microsoft Technology Licensing, Llc Content-adaptive adjustment of display device brightness levels when rendering high dynamic range content
US10176561B2 (en) 2017-01-27 2019-01-08 Microsoft Technology Licensing, Llc Content-adaptive adjustments to tone mapping operations for high dynamic range content
DK3559901T3 (da) * 2017-02-15 2020-08-31 Dolby Laboratories Licensing Corp Tonekurveafbildning for billeder med højt dynamikområde
US10755392B2 (en) * 2017-07-13 2020-08-25 Mediatek Inc. High-dynamic-range video tone mapping
US10284785B2 (en) 2017-08-30 2019-05-07 Gopro, Inc. Local tone mapping
WO2019053917A1 (ja) * 2017-09-13 2019-03-21 パナソニックＩｐマネジメント株式会社 輝度特性生成方法
CN107886479A (zh) * 2017-10-31 2018-04-06 建荣半导体（深圳）有限公司 一种图像hdr转换方法、装置、图像处理芯片及存储装置
KR102448497B1 (ko) * 2017-11-17 2022-09-28 삼성전자주식회사 디스플레이 장치, 디스플레이 장치의 제어 방법 및 영상 제공 장치
EP3493150A1 (en) * 2017-11-30 2019-06-05 InterDigital VC Holdings, Inc. Tone mapping adaptation for saturation control
EP3496028A1 (en) * 2017-12-08 2019-06-12 Koninklijke Philips N.V. Improved high dynamic range video color remapping
CN108024104B (zh) * 2017-12-12 2020-02-28 上海顺久电子科技有限公司 一种对输入的高动态范围图像进行处理的方法和显示设备
KR102550325B1 (ko) * 2017-12-20 2023-06-30 엘지디스플레이 주식회사 마이크로led 표시장치 및 그 구동방법
CN108053381B (zh) * 2017-12-22 2022-04-22 深圳创维－Rgb电子有限公司 动态色调映射方法、移动终端及计算机可读存储介质
CN108495054B (zh) * 2018-03-30 2020-08-18 海信视像科技股份有限公司 高动态范围信号的处理方法、装置及计算机存储介质
EP3776474B1 (en) 2018-04-09 2025-06-11 Dolby Laboratories Licensing Corporation Hdr image representations using neural network mappings
CN108540808B (zh) * 2018-05-10 2020-01-31 西安电子科技大学 基于fpga的高动态图像压缩处理系统
US20190356891A1 (en) * 2018-05-16 2019-11-21 Synaptics Incorporated High dynamic range (hdr) data conversion and color space mapping
CN108900823B (zh) * 2018-07-05 2019-07-12 华为技术有限公司 一种视频信号处理的方法及装置
CN110691277B (zh) 2018-07-05 2024-03-05 华为技术有限公司 视频信号的处理方法及装置
EP3594894A1 (en) * 2018-07-11 2020-01-15 InterDigital VC Holdings, Inc. Tone-mapping of colors of a video content
KR102533723B1 (ko) 2018-09-14 2023-05-18 삼성전자주식회사 전자 장치 및 그 제어 방법
GB2578329B (en) * 2018-10-24 2022-11-09 Advanced Risc Mach Ltd Retaining dynamic range using vignetting correction and intensity compression curves
US10957024B2 (en) 2018-10-30 2021-03-23 Microsoft Technology Licensing, Llc Real time tone mapping of high dynamic range image data at time of playback on a lower dynamic range display
GB2575134B (en) 2018-12-20 2021-03-31 Imagination Tech Ltd ASTC interpolation
GB2575135B (en) * 2018-12-20 2021-03-24 Imagination Tech Ltd ASTC interpolation
CN109785275A (zh) * 2018-12-27 2019-05-21 珠海亿智电子科技有限公司 一种图像的色调映射方法及设备
KR102827848B1 (ko) 2019-02-19 2025-07-01 삼성전자주식회사 영상을 처리하는 전자 장치 및 그 영상 처리 방법
US11653101B2 (en) 2019-05-17 2023-05-16 Samsung Electronics Co., Ltd. Imaging system for generating high dynamic range image
JP2021006937A (ja) * 2019-06-27 2021-01-21 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
CN112215760B (zh) * 2019-07-11 2025-01-28 华为技术有限公司 一种图像处理的方法及装置
US11182884B2 (en) * 2019-07-30 2021-11-23 Nvidia Corporation Enhanced high-dynamic-range imaging and tone mapping
EP4014479B1 (en) * 2019-08-12 2024-03-20 Dolby Laboratories Licensing Corporation Adaptive image data linearization for hdr image sensors
KR102641738B1 (ko) * 2019-09-30 2024-02-29 삼성전자주식회사 영상 처리 방법 및 이를 지원하는 전자 장치
CN112686809B (zh) * 2019-10-18 2024-11-22 华为技术有限公司 处理高动态范围图像的方法和装置
KR102903495B1 (ko) * 2020-04-03 2025-12-24 에스케이하이닉스 주식회사 이미지 센싱 장치 및 그의 동작 방법
CN113554973B (zh) 2020-04-08 2022-11-22 华为技术有限公司 一种显示亮度调整方法及相关装置
CN116132648B (zh) * 2020-04-30 2025-09-16 华为技术有限公司 动态范围映射的方法和装置
WO2021223193A1 (en) * 2020-05-08 2021-11-11 Huawei Technologies Co., Ltd. Determination of a parameter set for a tone mapping curve
WO2021223205A1 (en) * 2020-05-08 2021-11-11 Huawei Technologies Co., Ltd. Encoder, decoder, system, and method for determining tone mapping curve parameters
CN111784598B (zh) * 2020-06-18 2023-06-02 Oppo（重庆）智能科技有限公司 色调映射模型的训练方法、色调映射方法及电子设备
US11398017B2 (en) 2020-10-09 2022-07-26 Samsung Electronics Co., Ltd. HDR tone mapping based on creative intent metadata and ambient light
WO2022077353A1 (en) * 2020-10-15 2022-04-21 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and apparatus for tone mapping, and computer usable medium storing software for implementing the method
US11526968B2 (en) * 2020-11-25 2022-12-13 Samsung Electronics Co., Ltd. Content adapted black level compensation for a HDR display based on dynamic metadata
CN114648447B (zh) * 2020-12-17 2025-08-05 华为技术有限公司 一种色调映射方法及装置
CN112702537B (zh) * 2020-12-25 2022-06-28 上海科技大学 基于反照率差的高动态范围环境光动态采集系统
CN115018714B (zh) * 2021-03-05 2024-07-26 思特威(上海)电子科技股份有限公司 一种图像像素值映射方法、成像装置及计算机存储介质
KR102566794B1 (ko) * 2021-05-17 2023-08-14 엘지전자 주식회사 디스플레이 장치 및 그의 동작 방법
CN113935911B (zh) * 2021-09-26 2025-03-11 珠海全志科技股份有限公司 高动态范围视频图像处理方法、计算机装置及计算机可读存储介质
US11734806B2 (en) * 2021-11-24 2023-08-22 Roku, Inc. Dynamic tone mapping
CN113850743B (zh) * 2021-11-30 2022-03-01 江苏游隼微电子有限公司 一种基于自适应参数的视频全局色调映射方法
US12020412B1 (en) 2021-12-15 2024-06-25 Waymo Llc Systems and methods for a tone mapper solution for an autonomous driving system
CN114219737B (zh) * 2021-12-21 2024-12-13 厦门极致互动网络技术股份有限公司 一种基于Unity的色调映射方法
US11985346B2 (en) * 2022-09-20 2024-05-14 Qualcomm Incorporated Encoding high dynamic range video data
CN115801969B (zh) * 2022-11-10 2025-09-19 北京奇艺世纪科技有限公司 视频数据处理方法、视频显示方法及装置、电子设备及可读存储介质
US12430732B2 (en) 2023-05-24 2025-09-30 Synaptics Incorporated High dynamic range (HDR) image processing with adaptive color volume mapping
CN118474553B (zh) * 2023-12-01 2025-04-29 荣耀终端股份有限公司 一种图像处理方法及电子设备
US20250191152A1 (en) * 2023-12-12 2025-06-12 Samsung Electronics Co., Ltd. Beta distribution-based global tone mapping and sequential weight generation for tone fusion
CN120583327B (zh) * 2025-07-31 2025-12-23 杭州高德数科技术有限公司 改善图像闪烁的动态范围压缩方法、设备及介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008244588A (ja) 2007-03-26 2008-10-09 Nikon Corp 画像処理装置、画像処理方法、画像処理プログラム、およびカメラ
US20110292246A1 (en) 2010-05-25 2011-12-01 Apple Inc. Automatic Tone Mapping Curve Generation Based on Dynamically Stretched Image Histogram Distribution

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236751B1 (en) * 1998-09-23 2001-05-22 Xerox Corporation Automatic method for determining piecewise linear transformation from an image histogram
US6717698B1 (en) * 2000-02-02 2004-04-06 Eastman Kodak Company Tone scale processing based on image modulation activity
JP4323770B2 (ja) 2002-10-18 2009-09-02 キヤノン株式会社 画像処理装置、画像処理方法、プログラム及び記録媒体
JP4200890B2 (ja) * 2003-12-10 2008-12-24 株式会社日立製作所 映像信号処理装置及びそれを用いたテレビジョン受信機並びに映像信号処理方法
US7612804B1 (en) * 2005-02-15 2009-11-03 Apple Inc. Methods and apparatuses for image processing
US8194997B2 (en) * 2006-03-24 2012-06-05 Sharp Laboratories Of America, Inc. Methods and systems for tone mapping messaging
US8144214B2 (en) * 2007-04-18 2012-03-27 Panasonic Corporation Imaging apparatus, imaging method, integrated circuit, and storage medium
US8411983B2 (en) * 2007-08-31 2013-04-02 Ati Technologies Ulc Method and apparatus for producing a contrast enhanced image
US7825938B2 (en) * 2007-09-06 2010-11-02 Himax Technologies Limited Method and apparatus for processing digital image to be displayed on display device with backlight module
US20090317017A1 (en) * 2008-06-20 2009-12-24 The Hong Kong University Of Science And Technology Image characteristic oriented tone mapping for high dynamic range images
WO2010024782A1 (en) * 2008-08-26 2010-03-04 Agency For Science, Technology And Research A method and system for displaying an hdr image on a ldr display device
US8290295B2 (en) * 2009-03-03 2012-10-16 Microsoft Corporation Multi-modal tone-mapping of images
CN102388612B (zh) * 2009-03-13 2014-10-08 杜比实验室特许公司 高动态范围、可视动态范围和宽色域视频的分层压缩
JP5430218B2 (ja) * 2009-05-07 2014-02-26 キヤノン株式会社 画像処理装置および画像処理方法
KR101633893B1 (ko) * 2010-01-15 2016-06-28 삼성전자주식회사 다중노출 영상을 합성하는 영상합성장치 및 방법
JP5624809B2 (ja) 2010-06-24 2014-11-12 株式会社 日立産業制御ソリューションズ 画像信号処理装置
US9036042B2 (en) * 2011-04-15 2015-05-19 Dolby Laboratories Licensing Corporation Encoding, decoding, and representing high dynamic range images
CN102348048A (zh) * 2011-09-16 2012-02-08 中山大学 一种自适应时空域累积滤波和色调映射的视频增强方法
JP5269964B2 (ja) * 2011-09-30 2013-08-21 株式会社東芝 電子機器及び映像処理方法
US9070195B2 (en) * 2012-06-10 2015-06-30 Apple Inc. Method and system for auto-enhancing photographs with saturation adjustments
KR101418521B1 (ko) * 2012-06-11 2014-07-11 엠텍비젼 주식회사 밝기 대비 향상을 통한 영상 화질 개선 방법 및 장치
FR3003378A1 (fr) * 2013-03-12 2014-09-19 St Microelectronics Grenoble 2 Procede de mappage de tons
US9699428B2 (en) 2013-09-09 2017-07-04 Apple Inc. Lens shading modulation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008244588A (ja) 2007-03-26 2008-10-09 Nikon Corp 画像処理装置、画像処理方法、画像処理プログラム、およびカメラ
US20110292246A1 (en) 2010-05-25 2011-12-01 Apple Inc. Automatic Tone Mapping Curve Generation Based on Dynamically Stretched Image Histogram Distribution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026034742A1 (ko) * 2024-08-09 2026-02-12 삼성전자 주식회사 영상을 디스플레이하는 전자 장치 및 이를 이용한 디스플레이 방법

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EP3220349A1 (en) 2017-09-20
US10148906B2 (en) 2018-12-04
KR20170107929A (ko) 2017-09-26
EP3220350A1 (en) 2017-09-20
BR102017005371A2 (pt) 2018-04-03
CN107203974B (zh) 2021-11-23
EP3220350B1 (en) 2018-11-28
US20170272690A1 (en) 2017-09-21
CN107203974A (zh) 2017-09-26
JP2017168101A (ja) 2017-09-21
BR102017005371A8 (pt) 2022-07-05
JP7179443B2 (ja) 2022-11-29

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