Paper Abstract and Keywords |
Presentation |
2014-03-14 16:40
Low Noise Multi-aperture camera by Selective Averaging Bo Zhang, Keiichiro Kagawa, Taishi Takasawa, Min-Woong Seo, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
A low noise multi-aperture camera which has a synthetic F-number much smaller than 1.0 by increasing optical gain using multiple lenses and selective averaging method which removes the RTS noise and the dark current white defects by minimizing the synthetic sensor noise at every pixel is proposed. It is verified by simulation that the effective noise normalized by optical gain in the peak of noise histogram is reduced from 1.38e- to 0.48e- in a 3 × 3-aperture system. In the experiment, the RTS and dark current white defects are removed and the peak signal-to-noise ratio (PSNR) of the image is increased by 6.3 dB under a low-light condition, in which the maximum average signal is 11e- per aperture. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Noise reduction / Multi-aperture camera / Random telegraph signal noise / Dark current white defect / / / / |
Reference Info. |
ITE Tech. Rep., vol. 38, no. 15, IST2014-16, pp. 31-34, March 2014. |
Paper # |
IST2014-16 |
Date of Issue |
2014-03-07 (IST) |
ISSN |
Print edition: ISSN 1342-6893 |
Download PDF |
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Conference Information |
Committee |
IST |
Conference Date |
2014-03-14 - 2014-03-14 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
NHK |
Topics (in Japanese) |
(See Japanese page) |
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Paper Information |
Registration To |
IST |
Conference Code |
2014-03-IST |
Language |
English |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Low Noise Multi-aperture camera by Selective Averaging |
Sub Title (in English) |
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Keyword(1) |
Noise reduction |
Keyword(2) |
Multi-aperture camera |
Keyword(3) |
Random telegraph signal noise |
Keyword(4) |
Dark current white defect |
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1st Author's Name |
Bo Zhang |
1st Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
2nd Author's Name |
Keiichiro Kagawa |
2nd Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
3rd Author's Name |
Taishi Takasawa |
3rd Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
4th Author's Name |
Min-Woong Seo |
4th Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
5th Author's Name |
Keita Yasutomi |
5th Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
6th Author's Name |
Shoji Kawahito |
6th Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
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Speaker |
Author-1 |
Date Time |
2014-03-14 16:40:00 |
Presentation Time |
30 minutes |
Registration for |
IST |
Paper # |
IST2014-16 |
Volume (vol) |
vol.38 |
Number (no) |
no.15 |
Page |
pp.31-34 |
#Pages |
4 |
Date of Issue |
2014-03-07 (IST) |