TW201615007A - Curved surface projection correction method and its augmented reality application system - Google Patents

Curved surface projection correction method and its augmented reality application system

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Publication number
TW201615007A
TW201615007A TW104144630A TW104144630A TW201615007A TW 201615007 A TW201615007 A TW 201615007A TW 104144630 A TW104144630 A TW 104144630A TW 104144630 A TW104144630 A TW 104144630A TW 201615007 A TW201615007 A TW 201615007A
Authority
TW
Taiwan
Prior art keywords
projection
image
region
define
correct
Prior art date
Application number
TW104144630A
Other languages
Chinese (zh)
Other versions
TWI616100B (en
Inventor
Tsorng-Lin Chia
Chun-Ning Shen
Wun-Yi Li
Original Assignee
Univ Ming Chuan
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 Univ Ming Chuan filed Critical Univ Ming Chuan
Priority to TW104144630A priority Critical patent/TWI616100B/en
Publication of TW201615007A publication Critical patent/TW201615007A/en
Application granted granted Critical
Publication of TWI616100B publication Critical patent/TWI616100B/en

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  • Controls And Circuits For Display Device (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

The present invention provides a curved surface projection correction method, including the steps of: a projection unit projecting a calibration screen on a projection surface; an image capture unit capturing said calibration screen to define a grayscale image range of said calibration screen, form a binarization image by image binarization, divide the binarization image to a background region and a projection region, define a parallelogram scope as a transform region in said projection region, and define correction parameters by the transform region so as to correspondingly correct projection image which is projected by the projection unit. The present invention can correct projection images of the projection unit to prevent images from distorting, and be able to correct the image projection when applying to a variety of shapes of the projection surface, such as a wall corner, a ceiling joint or a curved projection surface; and the present invention can be hung on a user's chest, be conducive to carry, and achieve convenience and wide applicability effect.
TW104144630A 2012-06-27 2012-06-27 Curved surface projection correction control method and its augmented reality application system TWI616100B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW104144630A TWI616100B (en) 2012-06-27 2012-06-27 Curved surface projection correction control method and its augmented reality application system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW104144630A TWI616100B (en) 2012-06-27 2012-06-27 Curved surface projection correction control method and its augmented reality application system

Publications (2)

Publication Number Publication Date
TW201615007A true TW201615007A (en) 2016-04-16
TWI616100B TWI616100B (en) 2018-02-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW104144630A TWI616100B (en) 2012-06-27 2012-06-27 Curved surface projection correction control method and its augmented reality application system

Country Status (1)

Country Link
TW (1) TWI616100B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108320311A (en) * 2018-01-19 2018-07-24 杭州映墨科技有限公司 A kind of AR sand table calibrating patterns computational methods for capableing of automatic deviation correction
TWI804829B (en) * 2021-03-24 2023-06-11 明基電通股份有限公司 Image adjusting method, image adjusting system and projector image adjusting system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113747130A (en) 2020-05-29 2021-12-03 中强光电股份有限公司 Method for generating mask and projection device for executing the method
CN115128895A (en) 2021-03-17 2022-09-30 中强光电股份有限公司 Projection system and image projection method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108320311A (en) * 2018-01-19 2018-07-24 杭州映墨科技有限公司 A kind of AR sand table calibrating patterns computational methods for capableing of automatic deviation correction
CN108320311B (en) * 2018-01-19 2020-10-09 杭州映墨科技有限公司 AR sand table calibration model calculation method capable of automatically correcting deviation
TWI804829B (en) * 2021-03-24 2023-06-11 明基電通股份有限公司 Image adjusting method, image adjusting system and projector image adjusting system

Also Published As

Publication number Publication date
TWI616100B (en) 2018-02-21

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