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Paper Abstract and Keywords
Presentation 2021-08-17 14:45
Image Recognition of HDR Images with Dual Gain CMOS Image Sensor
Takuya Kitamura, Kota Yoshida, Tetsushi Ikeda (Ritsumeikan Univ.), Shinichi Ikenaga, Isao Takayanagi (Brillnics), Shunsuke Okura (Ritsumeikan Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) High dynamic range (HDR) CMOS image sensors are expected to be used for machine vision applications for recognition under extreme illumination conditions such as outdoors. A dual-gain readout image sensor has been proposed as one way to realize this HDR CMOS image sensor. However, to perform image recognition, it is necessary to convert 16-bit images captured by this image sensor into 8-bit images and apply them to a convolutional neural network (CNN) trained with 8-bit image data. In this paper, we report on the recognition results of images captured with an HDR CMOS image sensor under illumination environments with large contrast and various color temperatures.
Keyword (in Japanese) (See Japanese page) 
(in English) HDR / CMOS / CNN / histogram-equalization / / / /  
Reference Info. ITE Tech. Rep., vol. 45, no. 21, IST2021-45, pp. 41-45, Aug. 2021.
Paper # IST2021-45 
Date of Issue 2021-08-10 (IST) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2021-08-17 - 2021-08-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Analog, Mixed Analog and Digital, RF, and Sensor Interface, Low Voltage/Low Power Techniques, Novel Devices/Circuits, and the Applications 
Paper Information
Registration To IST 
Conference Code 2021-08-SDM-ICD-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Image Recognition of HDR Images with Dual Gain CMOS Image Sensor 
Sub Title (in English)  
Keyword(1) HDR  
Keyword(2) CMOS  
Keyword(3) CNN  
Keyword(4) histogram-equalization  
1st Author's Name Takuya Kitamura  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Kota Yoshida  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Tetsushi Ikeda  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
4th Author's Name Shinichi Ikenaga  
4th Author's Affiliation Brillnics Japan Inc. (Brillnics)
5th Author's Name Isao Takayanagi  
5th Author's Affiliation Brillnics Japan Inc. (Brillnics)
6th Author's Name Shunsuke Okura  
6th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Speaker Author-1 
Date Time 2021-08-17 14:45:00 
Presentation Time 25 minutes 
Registration for IST 
Paper # IST2021-45 
Volume (vol) vol.45 
Number (no) no.21 
Page pp.41-45 
Date of Issue 2021-08-10 (IST) 

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