JP6700731B2 - 投影装置および投影システム - Google Patents

投影装置および投影システム Download PDF

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Publication number
JP6700731B2
JP6700731B2 JP2015223340A JP2015223340A JP6700731B2 JP 6700731 B2 JP6700731 B2 JP 6700731B2 JP 2015223340 A JP2015223340 A JP 2015223340A JP 2015223340 A JP2015223340 A JP 2015223340A JP 6700731 B2 JP6700731 B2 JP 6700731B2
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JP
Japan
Prior art keywords
image
unit
liquid crystal
display
frame
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
JP2015223340A
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English (en)
Japanese (ja)
Other versions
JP2017092819A (ja
JP2017092819A5 (enExample
Inventor
伸洋 岡
伸洋 岡
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2015223340A priority Critical patent/JP6700731B2/ja
Priority to US15/345,348 priority patent/US10171781B2/en
Publication of JP2017092819A publication Critical patent/JP2017092819A/ja
Publication of JP2017092819A5 publication Critical patent/JP2017092819A5/ja
Application granted granted Critical
Publication of JP6700731B2 publication Critical patent/JP6700731B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3185—Geometric adjustment, e.g. keystone or convergence
    • 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
    • H04N25/53—Control of the integration time
    • H04N25/531—Control of the integration time by controlling rolling shutters in CMOS SSIS
    • 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
    • H04N25/58—Control of the dynamic range involving two or more exposures
    • H04N25/581—Control of the dynamic range involving two or more exposures acquired simultaneously
    • 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
    • H04N25/58—Control of the dynamic range involving two or more exposures
    • H04N25/587—Control of the dynamic range involving two or more exposures acquired sequentially, e.g. using the combination of odd and even image fields
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Studio Devices (AREA)
JP2015223340A 2015-11-13 2015-11-13 投影装置および投影システム Expired - Fee Related JP6700731B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015223340A JP6700731B2 (ja) 2015-11-13 2015-11-13 投影装置および投影システム
US15/345,348 US10171781B2 (en) 2015-11-13 2016-11-07 Projection apparatus, method for controlling the same, and projection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015223340A JP6700731B2 (ja) 2015-11-13 2015-11-13 投影装置および投影システム

Publications (3)

Publication Number Publication Date
JP2017092819A JP2017092819A (ja) 2017-05-25
JP2017092819A5 JP2017092819A5 (enExample) 2018-12-20
JP6700731B2 true JP6700731B2 (ja) 2020-05-27

Family

ID=58691671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015223340A Expired - Fee Related JP6700731B2 (ja) 2015-11-13 2015-11-13 投影装置および投影システム

Country Status (2)

Country Link
US (1) US10171781B2 (enExample)
JP (1) JP6700731B2 (enExample)

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CN109644249B (zh) * 2016-08-24 2021-09-07 索尼公司 图像处理设备和图像处理方法
JP6642610B2 (ja) * 2018-03-22 2020-02-05 カシオ計算機株式会社 投影制御装置、投影装置、投影制御方法及びプログラム
CN108632593B (zh) * 2018-05-31 2020-05-19 歌尔股份有限公司 彩色汇聚误差的修正方法、装置及设备
JP7348756B2 (ja) * 2019-06-21 2023-09-21 キヤノン株式会社 撮像装置、制御方法及びプログラム
US11341936B2 (en) * 2020-05-20 2022-05-24 Magic Leap, Inc. Piecewise progressive and continuous calibration with coherent context
EP4412192B1 (en) * 2023-01-31 2025-05-28 Axis AB Background light subtraction for infra-red images

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US20090051794A1 (en) * 2005-03-15 2009-02-26 Omron Corporation Image processing apparatus, image processing method, image processing system, program and recording medium
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US7609837B2 (en) * 2005-09-01 2009-10-27 Sharp Laboratories Of America, Inc. System and method for automatic setup of a network device with secure network transmission of setup parameters
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JP5156196B2 (ja) * 2006-03-31 2013-03-06 イーストマン コダック カンパニー 撮像装置
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US8235534B2 (en) * 2008-05-21 2012-08-07 Panasonic Corporation Projector that projects a correction image between cyclic main image signals
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US20110216205A1 (en) 2010-03-03 2011-09-08 Christie Digital Systems Usa, Inc. Automatic calibration of projection system using non-visible light
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KR101864452B1 (ko) * 2012-01-12 2018-06-04 삼성전자주식회사 이미지 촬영 및 화상 통화 장치와 방법
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Also Published As

Publication number Publication date
JP2017092819A (ja) 2017-05-25
US20170142383A1 (en) 2017-05-18
US10171781B2 (en) 2019-01-01

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