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Paper Abstract and Keywords
Presentation 2020-05-28 16:20
Adaptive selection of near infrared multispectral image signals for measurement of oxygen saturation
Takehiro Sone, Yoshihiro Maeda (TUS), Daisuke Sugimura (Tsuda Univ.), Takayuki Hamamoto (TUS)
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a method of measuring oxygen saturation that is robust to varying visible light by using a near-infrared multispectral camera. The proposed method robustly measures oxygen saturation by using near-infrared image signals. However, it is difficult to accurately measure near-infrared light related to oxygen saturation using only a specific near-infrared wavelength range signal. The reason is primarily that the absorption characteristics of blood in the near-infrared region change depending on the subject. Thus, the accuracy of oxygen saturation estimation may be decreased. The proposed method adaptively selects the optimum signals among multiple signals of multiple near-infrared wavelength ranges by using a near-infrared multispectral camera. In the selection process, we select an image signal with the highest signal to noise ratio. The signal to noise ratio is defined based on a prior knowledge that is the accuracy of measurement of oxygen saturation depends on the periodicity of the pulsation signal. Experiments demonstrate the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) oxygen saturation / near infrared / multispectral camera / / / / /  
Reference Info. ITE Tech. Rep., vol. 44, no. 12, IST2020-33, pp. 45-48, May 2020.
Paper # IST2020-33 
Date of Issue 2020-05-21 (IST, ME) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2020-05-28 - 2020-05-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image and signal processing/analysis/AI technology, and their application 
Paper Information
Registration To IST 
Conference Code 2020-05-MI-IE-SIP-BioX-IST-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive selection of near infrared multispectral image signals for measurement of oxygen saturation 
Sub Title (in English)  
Keyword(1) oxygen saturation  
Keyword(2) near infrared  
Keyword(3) multispectral camera  
1st Author's Name Takehiro Sone  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Yoshihiro Maeda  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Daisuke Sugimura  
3rd Author's Affiliation Tsuda University (Tsuda Univ.)
4th Author's Name Takayuki Hamamoto  
4th Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2020-05-28 16:20:00 
Presentation Time 20 minutes 
Registration for IST 
Paper # IST2020-33, ME2020-84 
Volume (vol) vol.44 
Number (no) no.12 
Page pp.45-48 
Date of Issue 2020-05-21 (IST, ME) 

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