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Paper Abstract and Keywords
Presentation 2006-03-17 11:15
3D Scene Reconstruction from Reflection Images in a Spherical Mirror
Masayuki Kanbara, Norimichi Ukita, Masatsugu Kidode, Naokazu Yokoya (NAIST)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a method for reconstructing a 3D scene structure
by using the images reflected in a spherical mirror. In our method, the
mirror is moved freely within the field of view of a camera in order
to observe a surrounding scene virtually from multiple viewpoints.
The observation scheme, therefore, allows us to
obtain the wide-angle multi-viewpoint images of a wide area. In
addition, the following characteristics of this observation enable
multi-view stereo with simple calibration of the geometric
configuration between the mirror and the camera; (1) the distance
and direction from the camera to the mirror can be estimated
directly from the position and size of the mirror in the captured
image and (2) the directions of detected points from each position of
the moving mirror can be also estimated based on reflection on a
spherical surface. Some experimental results show the effectiveness
of our 3D reconstruction method.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D reconstruction / Pan-tile camera / Mirror sphere / Reflectance image / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 674, PRMU2005-272, pp. 87-92, March 2006.
Paper # PRMU2005-272 
Date of Issue 2006-03-10 (PRMU) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee PRMU  
Conference Date 2006-03-16 - 2006-03-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2006-03-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 3D Scene Reconstruction from Reflection Images in a Spherical Mirror 
Sub Title (in English)  
Keyword(1) 3D reconstruction  
Keyword(2) Pan-tile camera  
Keyword(3) Mirror sphere  
Keyword(4) Reflectance image  
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1st Author's Name Masayuki Kanbara  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Norimichi Ukita  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Masatsugu Kidode  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Naokazu Yokoya  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2006-03-17 11:15:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2005-272 
Volume (vol) vol.105 
Number (no) no.674 
Page pp.87-92 
#Pages
Date of Issue 2006-03-10 (PRMU) 


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