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Paper Abstract and Keywords
Presentation 2012-06-11 13:30
Improvement of Depth Estimation with the Tilt Optical System by using Non-Horizontal and Non-Parallel Focal Planes
Yuzo Taketomi, Masayuki Ohata, Hiroshi Ikeoka, Takayuki Hamamoto (TUS)
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we describe the improvement of horizontal focal planes method with the tilt optical system which is the conventional depth estimation method with a monocular camera. The conventional method estimates depth by taking advantage of the change of depth of field according to the depth using two or more horizontal and parallel focal planes. However, when estimating the depth of a far distant object, the interval of these focal planes becomes narrow on the image sensor plane under the influence of angle of field, and depth estimation accuracy substantially becomes worse. Therefore, in order to improve this problem, we propose making focal planes non-horizontal and non-parallel. It is possible to ease the restrictions on the interval narrowing of focal planes under the influence of angle of field, and it can be expected to improve the accuracy of depth estimation in the far distance.
Keyword (in Japanese) (See Japanese page) 
(in English) Tilt optical lens / Depth estimation / Focus blur / Depth of field / / / /  
Reference Info. ITE Tech. Rep., vol. 36, no. 21, IST2012-30, pp. 5-8, June 2012.
Paper # IST2012-30 
Date of Issue 2012-06-04 (IST, ME) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970

Conference Information
Committee ME IST  
Conference Date 2012-06-11 - 2012-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IST 
Conference Code 2012-06-ME-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Depth Estimation with the Tilt Optical System by using Non-Horizontal and Non-Parallel Focal Planes 
Sub Title (in English)  
Keyword(1) Tilt optical lens  
Keyword(2) Depth estimation  
Keyword(3) Focus blur  
Keyword(4) Depth of field  
1st Author's Name Yuzo Taketomi  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Masayuki Ohata  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Hiroshi Ikeoka  
3rd Author's Affiliation Tokyo University of Science (TUS)
4th Author's Name Takayuki Hamamoto  
4th Author's Affiliation Tokyo University of Science (TUS)
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Date Time 2012-06-11 13:30:00 
Presentation Time 30 
Registration for IST 
Paper # ITE-IST2012-30,ITE-ME2012-81 
Volume (vol) ITE-36 
Number (no) no.21 
Page pp.5-8 
#Pages ITE-4 
Date of Issue ITE-IST-2012-06-04,ITE-ME-2012-06-04 

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