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Paper Abstract and Keywords
Presentation 2020-03-16 14:40
Projector Calibration using a Pinhole Mask Plate
Masatoki Sugimoto, Daisuke Iwai, Kosuke Sato (Osaka Univ.) PRMU2019-76
Abstract (in Japanese) (See Japanese page) 
(in English) Although many projector calibration methods exist, most of them have same problem: depend on the
size of the target or the distance from the projector to the target, they might require large workspace and a cali-
bration gauge that is difficult to prepare. In this paper, we proposed the method that solves these problems. Our
system consists of a projector, an imaging plate and a pinhole mask that can be easily prepared. In this paper,
we use a flatbed scanner as an imaging palate. Pattern images are projected on the mask, and light rays passing
through holes on the mask are taken by the scanner. By decoding the pattern in the scanned images, the projector
can be calibrated. The mask reduces blurring of the projection even when the scanner is not in focus, so we can
always calibrate the projector in a small amount of space. In the experiment, we verified the accuracy of our system
and how the poses and the number of the mask affect the accuracy of the estimated parameters.
Keyword (in Japanese) (See Japanese page) 
(in English) projector / calibration / projection mapping / mixed reality / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 481, PRMU2019-76, pp. 59-64, March 2020.
Paper # PRMU2019-76 
Date of Issue 2020-03-09 (PRMU) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF PRMU2019-76

Conference Information
Committee PRMU IPSJ-CVIM  
Conference Date 2020-03-16 - 2020-03-17 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2020-03-PRMU-CVIM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Projector Calibration using a Pinhole Mask Plate 
Sub Title (in English)  
Keyword(1) projector  
Keyword(2) calibration  
Keyword(3) projection mapping  
Keyword(4) mixed reality  
1st Author's Name Masatoki Sugimoto  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Daisuke Iwai  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Kosuke Sato  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2020-03-16 14:40:00 
Presentation Time 15 
Registration for PRMU 
Paper # IEICE-PRMU2019-76 
Volume (vol) IEICE-119 
Number (no) no.481 
Page pp.59-64 
#Pages IEICE-6 
Date of Issue IEICE-PRMU-2020-03-09 

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