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Paper Abstract and Keywords
Presentation 2022-06-29 13:00
Analysis and reduction of thermal noise at multi-conversion gain pixel input
Shoma Harada, Kuo Chiachi, Hayato Horie, Issei Tsukada, Rihito Kuroda (Tohoku Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) An introduction of multiple conversion gain (MCG) to image sensor is one of the ways to enlarge dynamic range with single exposure. These image sensors change conversion gain (CG) by controlling a switch connected to a capacitor and the floating diffusion in a pixel. When reading out low CG signals, uncorrelated double sampling is sometimes carried out, and reset noise remains. In this paper, we present an analysis of thermal noise generated in the pixels, and a noise reduction method.
Keyword (in Japanese) (See Japanese page) 
(in English) CMOS image sensor / thermal noise / multiple conversion gain / dynamic range / / / /  
Reference Info. ITE Tech. Rep., vol. 46, no. 19, IST2022-25, pp. 1-4, June 2022.
Paper # IST2022-25 
Date of Issue 2022-06-22 (IST) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee IST  
Conference Date 2022-06-29 - 2022-06-29 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) High performance image sensing and its applications 
Paper Information
Registration To IST 
Conference Code 2022-06-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis and reduction of thermal noise at multi-conversion gain pixel input 
Sub Title (in English)  
Keyword(1) CMOS image sensor  
Keyword(2) thermal noise  
Keyword(3) multiple conversion gain  
Keyword(4) dynamic range  
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1st Author's Name Shoma Harada  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Kuo Chiachi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Hayato Horie  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Issei Tsukada  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Rihito Kuroda  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker
Date Time 2022-06-29 13:00:00 
Presentation Time 30 
Registration for IST 
Paper # IST2022-25 
Volume (vol) 46 
Number (no) no.19 
Page pp.1-4 
#Pages
Date of Issue 2022-06-22 (IST) 


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