JP6645687B2 - 表示装置及び制御方法 - Google Patents

表示装置及び制御方法 Download PDF

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Publication number
JP6645687B2
JP6645687B2 JP2015170655A JP2015170655A JP6645687B2 JP 6645687 B2 JP6645687 B2 JP 6645687B2 JP 2015170655 A JP2015170655 A JP 2015170655A JP 2015170655 A JP2015170655 A JP 2015170655A JP 6645687 B2 JP6645687 B2 JP 6645687B2
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JP
Japan
Prior art keywords
image
projection
coordinates
display device
projected
Prior art date
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Active
Application number
JP2015170655A
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English (en)
Japanese (ja)
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JP2017050616A (ja
JP2017050616A5 (https=
Inventor
森　真起子
真起子 森
健介 稲垣
健介 稲垣
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
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2015170655A priority Critical patent/JP6645687B2/ja
Priority to US15/245,384 priority patent/US9811876B2/en
Publication of JP2017050616A publication Critical patent/JP2017050616A/ja
Publication of JP2017050616A5 publication Critical patent/JP2017050616A5/ja
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Publication of JP6645687B2 publication Critical patent/JP6645687B2/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/08—Projecting images onto non-planar surfaces, e.g. geodetic screens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/147—Optical correction of image distortions, e.g. keystone
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)
JP2015170655A 2015-08-31 2015-08-31 表示装置及び制御方法 Active JP6645687B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015170655A JP6645687B2 (ja) 2015-08-31 2015-08-31 表示装置及び制御方法
US15/245,384 US9811876B2 (en) 2015-08-31 2016-08-24 Display apparatus and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015170655A JP6645687B2 (ja) 2015-08-31 2015-08-31 表示装置及び制御方法

Publications (3)

Publication Number Publication Date
JP2017050616A JP2017050616A (ja) 2017-03-09
JP2017050616A5 JP2017050616A5 (https=) 2018-10-11
JP6645687B2 true JP6645687B2 (ja) 2020-02-14

Family

ID=58104096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015170655A Active JP6645687B2 (ja) 2015-08-31 2015-08-31 表示装置及び制御方法

Country Status (2)

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US (1) US9811876B2 (https=)
JP (1) JP6645687B2 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5924020B2 (ja) * 2012-02-16 2016-05-25 セイコーエプソン株式会社 プロジェクター、及び、プロジェクターの制御方法
TWI635255B (zh) * 2017-10-03 2018-09-11 宏碁股份有限公司 物體追蹤方法及系統
EP3499881B1 (en) 2017-12-15 2021-05-05 Canon Kabushiki Kaisha Projection control apparatus and control method thereof, and projection system
CN108289208B (zh) * 2018-01-24 2020-11-27 歌尔股份有限公司 一种投影画面自动校正方法和装置
CN111464801B (zh) * 2019-01-18 2021-07-16 广景视睿科技（深圳）有限公司 一种振镜调整装置、系统、方法及投影仪
JP7362324B2 (ja) * 2019-07-11 2023-10-17 キヤノン株式会社 画像表示装置の検査方法、製造方法及び検査装置
CN111625151B (zh) * 2020-06-02 2023-07-21 吕嘉昳 基于触摸方法准确识别变形投影中触点位置的方法及系统
CN114449234B (zh) * 2020-10-30 2024-01-09 扬智科技股份有限公司 投影装置与其投影画面校正方法
CN115150599B (zh) * 2021-03-31 2023-11-28 成都极米科技股份有限公司 确定目标坐标的方法及装置
US20240029321A1 (en) * 2022-07-20 2024-01-25 Canon Kabushiki Kaisha Image processing method, image processing apparatus, storage medium, image processing system, method of generating machine learning model, and learning apparatus
TWI904822B (zh) * 2024-08-22 2025-11-11 明基電通股份有限公司 投影設備

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000352952A (ja) 1999-04-05 2000-12-19 Canon Inc 画像形成装置
JP3789108B2 (ja) 2002-10-09 2006-06-21 キヤノン株式会社 画像表示装置
JP3720813B2 (ja) 2003-02-26 2005-11-30 キヤノン株式会社 映像表示装置
JP3770609B2 (ja) 2003-10-14 2006-04-26 Ｎｅｃビューテクノロジー株式会社 プロジェクタおよび歪補正方法
JP2005123669A (ja) 2003-10-14 2005-05-12 Canon Inc 投写型表示装置
JP2011155412A (ja) * 2010-01-26 2011-08-11 Panasonic Electric Works Co Ltd 投影システムおよび投影システムにおける歪み修正方法
JP2013085159A (ja) 2011-10-12 2013-05-09 Seiko Epson Corp プロジェクター、及びプロジェクターの制御方法
JP6164820B2 (ja) * 2012-10-11 2017-07-19 キヤノン株式会社 プロジェクタ、その制御方法、及び画像投影システム
JP6244638B2 (ja) * 2013-03-22 2017-12-13 カシオ計算機株式会社 投影装置、投影方法及び投影プログラム

Also Published As

Publication number Publication date
US9811876B2 (en) 2017-11-07
JP2017050616A (ja) 2017-03-09
US20170061575A1 (en) 2017-03-02

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