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Stress state discrimination by multi blood flow information

Date
2020
Academic Conference
42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Authors
Tomoya Ikuta
Atsushi Ito
Yota Komoriya
Takayuki Ezaki (Sony Corporation)
Research Areas
Human Interaction

Abstract

Conventional single-channel laser doppler flowmetry has an issue of low ability in discriminating between relaxing and stress state. We develop a multi-channel laser doppler flowmetry and propose a novel method to use the standard deviation of multi-channel signals in order to improve the stress state discriminating ability. The effect of proposed method is evaluated by bio-psychological experiments and the result shows that our method improves the ability.

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