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Paper Abstract and Keywords
Presentation 2016-05-27 14:40
[Invited Lecture] Development and Evaluation of Multispectral Image Projector and its Application to Imaging Technology
Keita Hirai, Takahiko Horiuchi (Chiba Univ.) IMQ2016-3
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents development and evaluation of a multi-primary image projector. Our projector is primarily configured with a light source component and an image projection component. The light source, which can be programmed by using a computer, can reproduce any spectral curves. Spatial images are projected by a digital mirror device (DMD) chip that provides rapid control of the intensity of the light source spectra. The multi-primary images are reproduced by multiplexing the time-sequential 2D image pattern projections with various primary illuminant spectra. In this paper, we introduce wide gamut image projection and spectral image projection techniques based on optimal spectral light source designs. In addition, as its application to imaging technologies, we introduce a one-shot-type measurement technique for camera spectral sensitivities and a geometric calibration technique for projected images.
Keyword (in Japanese) (See Japanese page) 
(in English) Mutiti-primaly Image Projector / Multispectral Image Projector / Wide Gamut Image / Spectral Image / Camera Sensitivity Measurement / Projector-Camera System / Geometric Calibration /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 68, IMQ2016-3, pp. 13-18, May 2016.
Paper # IMQ2016-3 
Date of Issue 2016-05-20 (IMQ) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IMQ2016-3

Conference Information
Committee IMQ  
Conference Date 2016-05-27 - 2016-05-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Media Quality, etc 
Paper Information
Registration To IMQ 
Conference Code 2016-05-IMQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development and Evaluation of Multispectral Image Projector and its Application to Imaging Technology 
Sub Title (in English)  
Keyword(1) Mutiti-primaly Image Projector  
Keyword(2) Multispectral Image Projector  
Keyword(3) Wide Gamut Image  
Keyword(4) Spectral Image  
Keyword(5) Camera Sensitivity Measurement  
Keyword(6) Projector-Camera System  
Keyword(7) Geometric Calibration  
1st Author's Name Keita Hirai  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Takahiko Horiuchi  
2nd Author's Affiliation Chiba University (Chiba Univ.)
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Date Time 2016-05-27 14:40:00 
Presentation Time 30 
Registration for IMQ 
Paper # IEICE-IMQ2016-3 
Volume (vol) IEICE-116 
Number (no) no.68 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-IMQ-2016-05-20 

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