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Paper Abstract and Keywords
Presentation 2013-07-26 13:30
Reconstraction simulation for segmentalized base holograms on discrete cosine transform
Syuntarou Ohkouchi, Masahiro Daibo (Iwate Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Since holography reconstructs the wavefront which is almost identical from real objects, a hologram must be an ideal three-dimensional display. On the other hand, holography requires light modulation device, which the aperture dimention is weve length scale and the number of pixels are very large to diffract light. Such optical modulation device is difficult both to fabricate and to electrically control. In addition, due to the large number of pixels of a hologram, enormous calculation was required for each new picture.
To solve these problems, we have proposed a method for synthesizing 3-dimensional image by superposition of holograms that can reproduce the basis of the discrete cosine transform.
In our previous work, the reconstruction simulation was executed smaller scale to confirm fundamental idea. We increase simulation scale for practical size of image by using a matrix expression in this time. Reconstructed image quality was investigated with changing the number of pixels from $128 × 128$ pixels to $1024 × 1024$ pixels of the base hologram. High-quality image was obtained when the number of pixels of hologram is equal to $512 × 512$ pixels or more.
Keyword (in Japanese) (See Japanese page) 
(in English) hologram / discrete cosine transform / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 164, IMQ2013-5, pp. 1-4, July 2013.
Paper # IMQ2013-5 
Date of Issue 2013-07-19 (IMQ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee IMQ  
Conference Date 2013-07-26 - 2013-07-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Iwate University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Computer Graphics, etc 
Paper Information
Registration To IMQ 
Conference Code 2013-07-IMQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reconstraction simulation for segmentalized base holograms on discrete cosine transform 
Sub Title (in English)  
Keyword(1) hologram  
Keyword(2) discrete cosine transform  
1st Author's Name Syuntarou Ohkouchi  
1st Author's Affiliation Iwate University (Iwate Univ.)
2nd Author's Name Masahiro Daibo  
2nd Author's Affiliation Iwate University (Iwate Univ.)
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Date Time 2013-07-26 13:30:00 
Presentation Time 25 
Registration for IMQ 
Paper # IEICE-IMQ2013-5 
Volume (vol) IEICE-113 
Number (no) no.164 
Page pp.1-4 
#Pages IEICE-4 
Date of Issue IEICE-IMQ-2013-07-19 

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