CN109698947A - 投影仪和投影仪的控制方法 - Google Patents

投影仪和投影仪的控制方法 Download PDF

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Publication number
CN109698947A
CN109698947A CN201811228493.9A CN201811228493A CN109698947A CN 109698947 A CN109698947 A CN 109698947A CN 201811228493 A CN201811228493 A CN 201811228493A CN 109698947 A CN109698947 A CN 109698947A
Authority
CN
China
Prior art keywords
projector
image
projection
correction
projection surface
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.)
Withdrawn
Application number
CN201811228493.9A
Other languages
English (en)
Chinese (zh)
Inventor
市枝博行
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of CN109698947A publication Critical patent/CN109698947A/zh
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
    • H04N3/2335—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements with calculating means
    • 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]
    • H04N9/3141—Constructional details thereof
    • 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)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Human Computer Interaction (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)
CN201811228493.9A 2017-10-23 2018-10-22 投影仪和投影仪的控制方法 Withdrawn CN109698947A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017204524A JP2019078845A (ja) 2017-10-23 2017-10-23 プロジェクターおよびプロジェクターの制御方法
JP2017-204524 2017-10-23

Publications (1)

Publication Number Publication Date
CN109698947A true CN109698947A (zh) 2019-04-30

Family

ID=66170829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811228493.9A Withdrawn CN109698947A (zh) 2017-10-23 2018-10-22 投影仪和投影仪的控制方法

Country Status (3)

Country Link
US (1) US20190124309A1 (enExample)
JP (1) JP2019078845A (enExample)
CN (1) CN109698947A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114071100A (zh) * 2020-07-29 2022-02-18 精工爱普生株式会社 图像校正方法和投影仪
CN114115582A (zh) * 2020-06-17 2022-03-01 精工爱普生株式会社 位置检测方法、投影仪的控制方法、位置检测装置和投影仪

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11002999B2 (en) * 2019-07-01 2021-05-11 Microsoft Technology Licensing, Llc Automatic display adjustment based on viewing angle
JP7036133B2 (ja) * 2020-02-20 2022-03-15 セイコーエプソン株式会社 プロジェクションシステム、プロジェクターの制御方法およびプロジェクター
WO2022003876A1 (ja) * 2020-07-01 2022-01-06 日本電気株式会社 制御装置、制御方法、及びコンピュータ可読媒体
JP7709444B2 (ja) * 2020-08-28 2025-07-16 富士フイルム株式会社 制御装置、制御方法、制御プログラム、及び投影システム
JP7647416B2 (ja) * 2021-07-26 2025-03-18 セイコーエプソン株式会社 プロジェクターの制御方法、及びプロジェクター
JP7533515B2 (ja) * 2022-03-29 2024-08-14 セイコーエプソン株式会社 投写画像の補正方法及び投写システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110242421A1 (en) * 2010-04-01 2011-10-06 Samsung Electronics Co., Ltd. Image distortion correction apparatus and method
US20120044140A1 (en) * 2010-08-19 2012-02-23 Sanyo Electric Co., Ltd. Information display system and program, and optical input system, projection-type images and display apparatus
WO2013124901A1 (ja) * 2012-02-24 2013-08-29 日立コンシューマエレクトロニクス株式会社 光学投射型表示装置、携帯端末、プログラム

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JP4746573B2 (ja) * 2007-03-08 2011-08-10 Ｌｕｎａｓｃａｐｅ株式会社 プロジェクタシステム
JP2009182435A (ja) * 2008-01-29 2009-08-13 Seiko Epson Corp 投影システム、リモコン、プロジェクタ、投影システムの操作方法およびプログラム
JP5509663B2 (ja) * 2009-04-15 2014-06-04 セイコーエプソン株式会社 プロジェクター及びその制御方法
JP5510907B2 (ja) * 2009-12-01 2014-06-04 学校法人東京電機大学 タッチ位置入力装置及びタッチ位置入力方法
JP2012129594A (ja) * 2010-12-13 2012-07-05 Seiko Epson Corp プロジェクターおよびプロジェクターの画面形状補正方法
JP2012127993A (ja) * 2010-12-13 2012-07-05 Seiko Epson Corp プロジェクターおよびプロジェクターの画面形状補正方法
JP2012194424A (ja) * 2011-03-17 2012-10-11 Seiko Epson Corp プロジェクター、及び、プロジェクターの制御方法
JP6119170B2 (ja) * 2012-10-05 2017-04-26 セイコーエプソン株式会社 プロジェクター、およびプロジェクターの制御方法
JP6372487B2 (ja) * 2013-06-26 2018-08-15 ソニー株式会社 情報処理装置、制御方法、プログラム、および記憶媒体
JP6665415B2 (ja) * 2015-03-30 2020-03-13 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
JP6750269B2 (ja) * 2016-03-28 2020-09-02 セイコーエプソン株式会社 プロジェクターおよび制御方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110242421A1 (en) * 2010-04-01 2011-10-06 Samsung Electronics Co., Ltd. Image distortion correction apparatus and method
US20120044140A1 (en) * 2010-08-19 2012-02-23 Sanyo Electric Co., Ltd. Information display system and program, and optical input system, projection-type images and display apparatus
WO2013124901A1 (ja) * 2012-02-24 2013-08-29 日立コンシューマエレクトロニクス株式会社 光学投射型表示装置、携帯端末、プログラム

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114115582A (zh) * 2020-06-17 2022-03-01 精工爱普生株式会社 位置检测方法、投影仪的控制方法、位置检测装置和投影仪
CN114115582B (zh) * 2020-06-17 2023-12-22 精工爱普生株式会社 位置检测方法、投影仪的控制方法、位置检测装置和投影仪
CN114071100A (zh) * 2020-07-29 2022-02-18 精工爱普生株式会社 图像校正方法和投影仪
CN114071100B (zh) * 2020-07-29 2023-05-16 精工爱普生株式会社 图像校正方法和投影仪

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Publication number Publication date
JP2019078845A (ja) 2019-05-23
US20190124309A1 (en) 2019-04-25

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Application publication date: 20190430