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Paper Abstract and Keywords
Presentation 2016-09-26 15:20
RTS and photon shot noise reduction based on maximum likelihood estimate with a multi-aperture camera and semi-photon-counting-level CMOS image sensors
Haruki Ishida, Keiichiro Kagawa, Min-Woong Seo (Shizuoka Univ.), Takashi Komuro (Saitama Univ.), Bo Zhang, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We are aiming at realizing an ultra-high sensitivity low-noise camera with a semi-photon-counting-level CMOS image sensor and a fast lens that has an F-number much less than 1, which is hard to implement in a single-aperture optical system. The noise of CMOS image sensor is approaching the level where they can measure a single photon. However, it is difficult to further reduce the noise of all pixels because a certain part of the pixels have the large low-frequency noise called random telegraph signal (RTS) noise generated by source follower transistors. In this study, we model the sensor noise and photon shot noise of each pixel as a probability distribution function based on the measured read noise, where RTS is included. By using the maximum likelihood estimate (MLE), we attempted to decrease both RTS noise and photon shot noise. In the simulation, we confirmed that the MLE shows better noise reduction capability compared with simple averaging and selective averaging.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-aperture / ultra-high sensitivity camera / photon-counting-level CMOS image sensor / RTS noise / photon shot noise / maximum likelihood estimate / /  
Reference Info. ITE Tech. Rep., vol. 40, no. 32, IST2016-45, pp. 15-18, Sept. 2016.
Paper # IST2016-45 
Date of Issue 2016-09-19 (IST) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970

Conference Information
Committee IST  
Conference Date 2016-09-26 - 2016-09-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Sensor , etc. 
Paper Information
Registration To IST 
Conference Code 2016-09-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) RTS and photon shot noise reduction based on maximum likelihood estimate with a multi-aperture camera and semi-photon-counting-level CMOS image sensors 
Sub Title (in English)  
Keyword(1) multi-aperture  
Keyword(2) ultra-high sensitivity camera  
Keyword(3) photon-counting-level CMOS image sensor  
Keyword(4) RTS noise  
Keyword(5) photon shot noise  
Keyword(6) maximum likelihood estimate  
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Keyword(8)  
1st Author's Name Haruki Ishida  
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 Min-Woong Seo  
3rd Author's Affiliation Shizuoka University (Shizuoka Univ.)
4th Author's Name Takashi Komuro  
4th Author's Affiliation Saitama University (Saitama Univ.)
5th Author's Name Bo Zhang  
5th Author's Affiliation Shizuoka University (Shizuoka Univ.)
6th Author's Name Taishi Takasawa  
6th Author's Affiliation Shizuoka University (Shizuoka Univ.)
7th Author's Name Keita Yasutomi  
7th Author's Affiliation Shizuoka University (Shizuoka Univ.)
8th Author's Name Shoji Kawahito  
8th Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker
Date Time 2016-09-26 15:20:00 
Presentation Time 30 
Registration for IST 
Paper # ITE-IST2016-45 
Volume (vol) ITE-40 
Number (no) no.32 
Page pp.15-18 
#Pages ITE-4 
Date of Issue ITE-IST-2016-09-19 


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