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Paper Abstract and Keywords
Presentation 2010-03-15 10:20
Study of Estimating a Pan-Tilt Camera's Rotational Parameters from the Video Sequence Acquired by the Camera -- Study of Robust Estimation from the Scenes Including Moving Objects --
Yasufumi Tochiori, Jun Ohya (Waseda Univ.), Masaru Ebata (M Soft) IE2009-179
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a method for estimating pan-tilt camera's rotational parameters from the video sequence acquired by the camera. In particular, this paper studies a method that deals with moving objects in the observed scene. First, detected and tracked two feature points are projected to the surface of the virtual shphere, whose center is the camera's opytical center and whose radius is the camera's focal length, so that the pan and tilt angles are estimated by using the congruence of the triangles formed by the projected two feature points and optical axis. To estimate the pan-tilt angles accurately, the feature points should be detected from the static objects. This paper discriminates the static objects from the moving objects by judging whether the distance between 2 feature points stays constant or not. The validity of the proposed method is demonstrated through simulation and experiments using real scenes.
Keyword (in Japanese) (See Japanese page) 
(in English) Pan-Tilt / Calibration / Extrinsic Parameter / Feature Point / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 469, IE2009-179, pp. 1-6, March 2010.
Paper # IE2009-179 
Date of Issue 2010-03-08 (IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
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)
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Conference Information
Committee IE  
Conference Date 2010-03-15 - 2010-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) RIEC Bldg. #2, 4gh Floor, Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IE 
Conference Code 2010-03-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of Estimating a Pan-Tilt Camera's Rotational Parameters from the Video Sequence Acquired by the Camera 
Sub Title (in English) Study of Robust Estimation from the Scenes Including Moving Objects 
Keyword(1) Pan-Tilt  
Keyword(2) Calibration  
Keyword(3) Extrinsic Parameter  
Keyword(4) Feature Point  
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1st Author's Name Yasufumi Tochiori  
1st Author's Affiliation Waseda Universicty (Waseda Univ.)
2nd Author's Name Jun Ohya  
2nd Author's Affiliation Waseda Universicty (Waseda Univ.)
3rd Author's Name Masaru Ebata  
3rd Author's Affiliation M Soft (M Soft)
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Speaker Author-1 
Date Time 2010-03-15 10:20:00 
Presentation Time 20 minutes 
Registration for IE 
Paper # IE2009-179 
Volume (vol) vol.109 
Number (no) no.469 
Page pp.1-6 
#Pages
Date of Issue 2010-03-08 (IE) 


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