CA2699695C - Detecting ambient light levels in a vision system - Google Patents

Detecting ambient light levels in a vision system Download PDF

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Publication number
CA2699695C
CA2699695C CA2699695A CA2699695A CA2699695C CA 2699695 C CA2699695 C CA 2699695C CA 2699695 A CA2699695 A CA 2699695A CA 2699695 A CA2699695 A CA 2699695A CA 2699695 C CA2699695 C CA 2699695C
Authority
CA
Canada
Prior art keywords
ambient light
display screen
level
image
visual representation
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.)
Expired - Fee Related
Application number
CA2699695A
Other languages
English (en)
French (fr)
Other versions
CA2699695A1 (en
Inventor
Prafulla Masalkar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsoft Corp
Original Assignee
Microsoft Corp
Microsoft Technology Licensing LLC
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 Microsoft Corp, Microsoft Technology Licensing LLC filed Critical Microsoft Corp
Publication of CA2699695A1 publication Critical patent/CA2699695A1/en
Application granted granted Critical
Publication of CA2699695C publication Critical patent/CA2699695C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • 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)
CA2699695A 2007-10-26 2008-10-22 Detecting ambient light levels in a vision system Expired - Fee Related CA2699695C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/924,633 2007-10-26
US11/924,633 US7973779B2 (en) 2007-10-26 2007-10-26 Detecting ambient light levels in a vision system
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
CA2699695A1 CA2699695A1 (en) 2009-04-30
CA2699695C true CA2699695C (en) 2014-12-30

Family

ID=40580361

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2699695A Expired - Fee Related CA2699695C (en) 2007-10-26 2008-10-22 Detecting ambient light levels in a vision system

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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US10278579B2 (en) * 2008-11-17 2019-05-07 Eyes4Lives, Inc. Vision protection method and system thereof
JP2010181487A (ja) * 2009-02-03 2010-08-19 Sanyo Electric Co Ltd 表示装置
JP5275956B2 (ja) * 2009-10-15 2013-08-28 株式会社ジャパンディスプレイウェスト 情報入力装置、情報入力プログラムおよび電子機器
CN101887326B (zh) * 2010-06-13 2012-02-22 友达光电股份有限公司 图像扫描系统及其控制方法
DE102010062660A1 (de) 2010-12-08 2012-06-14 Bombardier Transportation Gmbh Schienenfahrzeug mit einem Maschinenraum sowie mit mindestens einem Führerraum sowie Verfahren zur Erzeugung eines Überdrucks im Maschinenraum in Verbindungmit einer Klimatisierung mindestens eines Führerraumes
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
IL233356A (en) * 2014-06-24 2015-10-29 Brightway Vision Ltd Sensor-based imaging system with minimum wait time between sensor exposures
US9478157B2 (en) 2014-11-17 2016-10-25 Apple Inc. Ambient light adaptive displays
US9530362B2 (en) 2014-12-23 2016-12-27 Apple Inc. Ambient light adaptive displays with paper-like appearance
US10304306B2 (en) * 2015-02-19 2019-05-28 Smoke Detective, Llc Smoke detection system and method using a camera
US20190266869A1 (en) * 2015-02-19 2019-08-29 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
CN113424550A (zh) 2019-01-09 2021-09-21 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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US5003288A (en) * 1988-10-25 1991-03-26 Nartron Corporation Ambient light sensing method and apparatus
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US5388059A (en) 1992-12-30 1995-02-07 University Of Maryland Computer vision system for accurate monitoring of object pose
US5786803A (en) 1994-05-09 1998-07-28 Apple Computer, Inc. System and method for adjusting the illumination characteristics of an output device
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Also Published As

Publication number Publication date
US20110227879A1 (en) 2011-09-22
JP2011504601A (ja) 2011-02-10
WO2009055464A3 (en) 2009-07-23
CN101836180A (zh) 2010-09-15
JP5432911B2 (ja) 2014-03-05
CA2699695A1 (en) 2009-04-30
WO2009055464A2 (en) 2009-04-30
US7973779B2 (en) 2011-07-05
EP2217991A2 (en) 2010-08-18
US20090109193A1 (en) 2009-04-30
KR20100087108A (ko) 2010-08-03
CN101836180B (zh) 2013-06-26

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EEER Examination request

Effective date: 20131022

MKLA Lapsed

Effective date: 20161024