CN105103187A - 用于阴影检测和减弱的多光谱成像系统 - Google Patents

用于阴影检测和减弱的多光谱成像系统 Download PDF

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Publication number
CN105103187A
CN105103187A CN201480010102.XA CN201480010102A CN105103187A CN 105103187 A CN105103187 A CN 105103187A CN 201480010102 A CN201480010102 A CN 201480010102A CN 105103187 A CN105103187 A CN 105103187A
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CN
China
Prior art keywords
image data
nir
shadow
shadows
living
Prior art date
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Pending
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CN201480010102.XA
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English (en)
Chinese (zh)
Inventor
冯晨
张晓鹏
沈亮
周少杰
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN105103187A publication Critical patent/CN105103187A/zh
Pending legal-status Critical Current

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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
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10048—Infrared image
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30196—Human being; Person

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Studio Devices (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
CN201480010102.XA 2013-02-26 2014-02-19 用于阴影检测和减弱的多光谱成像系统 Pending CN105103187A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/777,968 2013-02-26
US13/777,968 US20140240477A1 (en) 2013-02-26 2013-02-26 Multi-spectral imaging system for shadow detection and attenuation
PCT/US2014/017124 WO2014133844A1 (en) 2013-02-26 2014-02-19 Multi-spectral imaging system for shadow detection and attenuation

Publications (1)

Publication Number Publication Date
CN105103187A true CN105103187A (zh) 2015-11-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480010102.XA Pending CN105103187A (zh) 2013-02-26 2014-02-19 用于阴影检测和减弱的多光谱成像系统

Country Status (6)

Country Link
US (1) US20140240477A1 (https=)
EP (1) EP2962278B1 (https=)
JP (1) JP6312714B2 (https=)
KR (1) KR20150122176A (https=)
CN (1) CN105103187A (https=)
WO (1) WO2014133844A1 (https=)

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CN104156937B (zh) * 2013-05-15 2017-08-11 株式会社理光 阴影检测方法和装置
JP2014230088A (ja) 2013-05-22 2014-12-08 ソニー株式会社 画像調整装置、画像調整方法、画像調整プログラムおよび撮像装置
US9262861B2 (en) * 2014-06-24 2016-02-16 Google Inc. Efficient computation of shadows
US9639976B2 (en) 2014-10-31 2017-05-02 Google Inc. Efficient computation of shadows for circular light sources
US10217242B1 (en) * 2015-05-28 2019-02-26 Certainteed Corporation System for visualization of a building material
FR3043823B1 (fr) * 2015-11-12 2017-12-22 Sagem Defense Securite Procede de decamouflage d'un objet
US10070111B2 (en) * 2015-12-22 2018-09-04 Adobe Systems Incorporated Local white balance under mixed illumination using flash photography
US9930218B2 (en) * 2016-04-04 2018-03-27 Adobe Systems Incorporated Content aware improvement of captured document images
WO2017180155A1 (en) * 2016-04-15 2017-10-19 Marquette University Smart trigger system
CN107798282B (zh) * 2016-09-07 2021-12-31 北京眼神科技有限公司 一种活体人脸的检测方法和装置
US10798316B2 (en) 2017-04-04 2020-10-06 Hand Held Products, Inc. Multi-spectral imaging using longitudinal chromatic aberrations
US10657422B2 (en) * 2017-04-20 2020-05-19 The Boeing Company Methods and systems for hyper-spectral systems
US10657401B2 (en) * 2017-06-06 2020-05-19 Microsoft Technology Licensing, Llc Biometric object spoof detection based on image intensity variations
US10896318B2 (en) * 2017-09-09 2021-01-19 Apple Inc. Occlusion detection for facial recognition processes
US10726245B2 (en) * 2017-12-12 2020-07-28 Black Sesame International Holding Limited Secure facial authentication system using active infrared light source and RGB-IR sensor
CN108090883B (zh) * 2018-01-04 2020-05-05 中煤航测遥感集团有限公司 高光谱图像预处理方法、装置及电子设备
US11195324B1 (en) 2018-08-14 2021-12-07 Certainteed Llc Systems and methods for visualization of building structures
US10943387B2 (en) 2018-08-30 2021-03-09 Nvidia Corporation Generating scenes containing shadows using pixel noise reduction techniques
CN109308688B (zh) * 2018-09-25 2021-06-25 中国农业科学院农业资源与农业区划研究所 一种可见光和近红外波段厚云及阴影去除方法
CN109543640B (zh) * 2018-11-29 2022-06-17 中国科学院重庆绿色智能技术研究院 一种基于图像转换的活体检测方法
JP7507659B2 (ja) * 2020-11-06 2024-06-28 株式会社日立製作所 撮影装置、認証装置及び生体撮影方法
US20250116858A1 (en) * 2021-09-30 2025-04-10 Lumus Ltd. Device, method and computer-readable storage device for controlling active occlusion subsystem
US20250292462A1 (en) * 2024-03-15 2025-09-18 Qualcomm Incorporated Modifying shadows in image data
CN119515733B (zh) * 2024-10-22 2025-09-09 武汉大学 基于自适应人脸对称的人脸阴影消除方法及装置

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Also Published As

Publication number Publication date
US20140240477A1 (en) 2014-08-28
WO2014133844A1 (en) 2014-09-04
JP6312714B2 (ja) 2018-04-18
KR20150122176A (ko) 2015-10-30
EP2962278B1 (en) 2019-01-16
JP2016514305A (ja) 2016-05-19
EP2962278A1 (en) 2016-01-06

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