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Paper Abstract and Keywords
Presentation 2013-11-15 14:00
Real-Time Super-Resolved Free-Viewpoint Image Synthesis from an Array of 25 Cameras
Ryo Nakashima (The Univ. of Tokyo), Koichi Hamada (The Univ. of Tokyo/Hitachi Ltd.), Keita Takahashi (Nagoya Univ.), Takeshi Naemura (The Univ. of Tokyo)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a system that performs real-time super-resolved free-viewpoint image synthesis, in which, from a given set of low-resolution multi-view images captured by a camera array, a free-viewpoint image is synthesized with a higher resolution in real-time. The process of the synthesis consists of two steps: depth estimation with a modified semi-global stereo matching, and reconstruction-based super-resolution. We implemented this process in graphics processor unit (GPU) for speeding up. Our system is capable of synthesizing a high-resolution (320×240 pixels) free-viewpoint image from 9-view low-resolution (160×120 pixels) around 40 ms.
Keyword (in Japanese) (See Japanese page) 
(in English) free-viewpoint image / super-resolution / camera array / GPU / / / /  
Reference Info. ITE Tech. Rep., vol. 37, no. 48, IST2013-68, pp. 21-24, Nov. 2013.
Paper # IST2013-68 
Date of Issue 2013-11-08 (IST) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee IST  
Conference Date 2013-11-15 - 2013-11-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Sanaru Hall, Shizuoka Univ. (Hamamatsu) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Unconventional cameras and image sensors, etc 
Paper Information
Registration To IST 
Conference Code 2013-11-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Real-Time Super-Resolved Free-Viewpoint Image Synthesis from an Array of 25 Cameras 
Sub Title (in English)  
Keyword(1) free-viewpoint image  
Keyword(2) super-resolution  
Keyword(3) camera array  
Keyword(4) GPU  
1st Author's Name Ryo Nakashima  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Koichi Hamada  
2nd Author's Affiliation The University of Tokyo/Hitachi, Ltd. (The Univ. of Tokyo/Hitachi Ltd.)
3rd Author's Name Keita Takahashi  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Takeshi Naemura  
4th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
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Date Time 2013-11-15 14:00:00 
Presentation Time 25 
Registration for IST 
Paper # ITE-IST2013-68 
Volume (vol) ITE-37 
Number (no) no.48 
Page pp.21-24 
#Pages ITE-4 
Date of Issue ITE-IST-2013-11-08 

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