CN101836180B - 检测视觉系统中的环境光级别 - Google Patents

检测视觉系统中的环境光级别 Download PDF

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Publication number
CN101836180B
CN101836180B CN2008801134646A CN200880113464A CN101836180B CN 101836180 B CN101836180 B CN 101836180B CN 2008801134646 A CN2008801134646 A CN 2008801134646A CN 200880113464 A CN200880113464 A CN 200880113464A CN 101836180 B CN101836180 B CN 101836180B
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China
Prior art keywords
ambient light
display screen
level
image
threshold
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Expired - Fee Related
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CN2008801134646A
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English (en)
Chinese (zh)
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CN101836180A (zh
Inventor
P·玛萨立克尔
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Microsoft Technology Licensing LLC
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Microsoft Corp
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Publication of CN101836180A publication Critical patent/CN101836180A/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Position Input By Displaying (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CN2008801134646A 2007-10-26 2008-10-22 检测视觉系统中的环境光级别 Expired - Fee Related CN101836180B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/924,633 US7973779B2 (en) 2007-10-26 2007-10-26 Detecting ambient light levels in a vision system
US11/924,633 2007-10-26
PCT/US2008/080779 WO2009055464A2 (en) 2007-10-26 2008-10-22 Detecting ambient light levels in a vision system

Publications (2)

Publication Number Publication Date
CN101836180A CN101836180A (zh) 2010-09-15
CN101836180B true CN101836180B (zh) 2013-06-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008801134646A Expired - Fee Related CN101836180B (zh) 2007-10-26 2008-10-22 检测视觉系统中的环境光级别

Country Status (7)

Country Link
US (2) US7973779B2 (enExample)
EP (1) EP2217991A2 (enExample)
JP (1) JP5432911B2 (enExample)
KR (1) KR20100087108A (enExample)
CN (1) CN101836180B (enExample)
CA (1) CA2699695C (enExample)
WO (1) WO2009055464A2 (enExample)

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US8970767B2 (en) * 2011-06-21 2015-03-03 Qualcomm Mems Technologies, Inc. Imaging method and system with angle-discrimination layer
TWI525505B (zh) * 2011-12-06 2016-03-11 緯創資通股份有限公司 無邊框光學觸控裝置及用於無邊框光學觸控裝置之影像處理方法
KR101371736B1 (ko) * 2012-08-22 2014-03-07 현대자동차(주) 터치스크린의 터치 인식방법
US20150102993A1 (en) * 2013-10-10 2015-04-16 Omnivision Technologies, Inc Projector-camera system with an interactive screen
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US9478157B2 (en) 2014-11-17 2016-10-25 Apple Inc. Ambient light adaptive displays
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US20190266869A1 (en) * 2015-02-19 2019-08-29 Smoke Detective, Llc Smoke Detection System and Method Using a Camera
US10304306B2 (en) * 2015-02-19 2019-05-28 Smoke Detective, Llc Smoke detection system and method using a camera
US10901548B2 (en) * 2015-04-07 2021-01-26 Omnivision Technologies, Inc. Touch screen rear projection display
US11147896B2 (en) 2018-01-03 2021-10-19 Slyder Tray LLC Medical sterilization and storage cabinet with multidirectional access
CN119676512A (zh) 2019-01-09 2025-03-21 杜比实验室特许公司 具有环境光补偿的显示器管理
US11455942B2 (en) 2020-12-04 2022-09-27 Microsoft Technology Licensing, Llc Systems and methods for providing human interface device information via a camera sensor

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Also Published As

Publication number Publication date
JP2011504601A (ja) 2011-02-10
CA2699695A1 (en) 2009-04-30
KR20100087108A (ko) 2010-08-03
US7973779B2 (en) 2011-07-05
US20090109193A1 (en) 2009-04-30
CN101836180A (zh) 2010-09-15
US20110227879A1 (en) 2011-09-22
EP2217991A2 (en) 2010-08-18
JP5432911B2 (ja) 2014-03-05
WO2009055464A2 (en) 2009-04-30
CA2699695C (en) 2014-12-30
WO2009055464A3 (en) 2009-07-23

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