CN106462950A - 用于局部对比度增强的系统及方法 - Google Patents

用于局部对比度增强的系统及方法 Download PDF

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Publication number
CN106462950A
CN106462950A CN201580027352.9A CN201580027352A CN106462950A CN 106462950 A CN106462950 A CN 106462950A CN 201580027352 A CN201580027352 A CN 201580027352A CN 106462950 A CN106462950 A CN 106462950A
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China
Prior art keywords
pixel
image
histogram
equalization
hybrid cytokine
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CN201580027352.9A
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English (en)
Chinese (zh)
Inventor
苏伊特·斯里尼瓦桑
梅纳克·比斯瓦斯
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN106462950A publication Critical patent/CN106462950A/zh
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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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/40Image enhancement or restoration using histogram techniques
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/90Determination of colour characteristics
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30204Marker

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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)
  • Studio Devices (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Picture Signal Circuits (AREA)
CN201580027352.9A 2014-05-27 2015-05-12 用于局部对比度增强的系统及方法 Pending CN106462950A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/288,267 US9165210B1 (en) 2014-05-27 2014-05-27 Systems and methods for localized contrast enhancement
US14/288,267 2014-05-27
PCT/US2015/030341 WO2015183542A1 (en) 2014-05-27 2015-05-12 Systems and methods for localized contrast enhancement

Publications (1)

Publication Number Publication Date
CN106462950A true CN106462950A (zh) 2017-02-22

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CN201580027352.9A Pending CN106462950A (zh) 2014-05-27 2015-05-12 用于局部对比度增强的系统及方法

Country Status (6)

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US (1) US9165210B1 (enExample)
EP (1) EP3149701A1 (enExample)
JP (1) JP6602789B2 (enExample)
KR (1) KR102317613B1 (enExample)
CN (1) CN106462950A (enExample)
WO (1) WO2015183542A1 (enExample)

Cited By (4)

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CN108447040A (zh) * 2018-02-09 2018-08-24 深圳市朗驰欣创科技股份有限公司 直方图均衡化方法、装置及终端设备
CN109308690A (zh) * 2017-07-26 2019-02-05 Tcl集团股份有限公司 一种图像亮度均衡方法及终端
CN114667536A (zh) * 2019-10-03 2022-06-24 皇家飞利浦有限公司 用于对图像的像素强度进行规范化的方法、装置和系统
CN114820337A (zh) * 2021-01-22 2022-07-29 顶级公司 基于局部对比度的图像调整

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CN105184754B (zh) * 2015-09-25 2018-03-06 深圳市华星光电技术有限公司 图像对比度增强方法
CN105654438A (zh) * 2015-12-27 2016-06-08 西南技术物理研究所 基于局部直方图均衡的灰度图像拟合增强方法
US10339410B1 (en) * 2016-01-13 2019-07-02 Snap Inc. Color extraction of a video stream
CN107818553B (zh) * 2016-09-12 2020-04-07 京东方科技集团股份有限公司 图像灰度值调整方法和装置
EP3296960B1 (en) * 2016-09-15 2018-08-22 Axis AB A method and an arrangement for pseudo coloring of a digital image
KR102615070B1 (ko) * 2016-10-12 2023-12-19 삼성전자주식회사 디스플레이 장치, 및 그 제어방법
US11375166B2 (en) 2020-09-21 2022-06-28 Microsoft Technology Licensing, Llc Selective colorization of thermal imaging
US11398017B2 (en) 2020-10-09 2022-07-26 Samsung Electronics Co., Ltd. HDR tone mapping based on creative intent metadata and ambient light
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
US12086971B2 (en) 2021-08-10 2024-09-10 Samsung Electronics Co., Ltd. Global tone mapping with contrast enhancement and chroma boost

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CN1767606A (zh) * 2004-10-25 2006-05-03 伯斯有限公司 增强对比度
CN101706953A (zh) * 2009-11-13 2010-05-12 北京中星微电子有限公司 基于直方图均衡的图像增强方法和装置
US8009907B1 (en) * 2006-11-08 2011-08-30 Marvell International Ltd. Localized, adaptive video contrast enhancement using controlled histogram equalization
US8295596B1 (en) * 2005-12-07 2012-10-23 Marvell International Ltd. Adaptive histogram-based video contrast enhancement
CN103377468A (zh) * 2012-04-26 2013-10-30 上海竞天科技股份有限公司 图像处理装置及图像处理方法

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Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1767606A (zh) * 2004-10-25 2006-05-03 伯斯有限公司 增强对比度
US8295596B1 (en) * 2005-12-07 2012-10-23 Marvell International Ltd. Adaptive histogram-based video contrast enhancement
US8009907B1 (en) * 2006-11-08 2011-08-30 Marvell International Ltd. Localized, adaptive video contrast enhancement using controlled histogram equalization
CN101706953A (zh) * 2009-11-13 2010-05-12 北京中星微电子有限公司 基于直方图均衡的图像增强方法和装置
CN103377468A (zh) * 2012-04-26 2013-10-30 上海竞天科技股份有限公司 图像处理装置及图像处理方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109308690A (zh) * 2017-07-26 2019-02-05 Tcl集团股份有限公司 一种图像亮度均衡方法及终端
CN109308690B (zh) * 2017-07-26 2021-09-21 Tcl科技集团股份有限公司 一种图像亮度均衡方法及终端
CN108447040A (zh) * 2018-02-09 2018-08-24 深圳市朗驰欣创科技股份有限公司 直方图均衡化方法、装置及终端设备
CN114667536A (zh) * 2019-10-03 2022-06-24 皇家飞利浦有限公司 用于对图像的像素强度进行规范化的方法、装置和系统
CN114820337A (zh) * 2021-01-22 2022-07-29 顶级公司 基于局部对比度的图像调整

Also Published As

Publication number Publication date
KR102317613B1 (ko) 2021-10-25
EP3149701A1 (en) 2017-04-05
KR20170012383A (ko) 2017-02-02
JP6602789B2 (ja) 2019-11-06
US9165210B1 (en) 2015-10-20
WO2015183542A1 (en) 2015-12-03
JP2017522642A (ja) 2017-08-10

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