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Parallel Signal Acquisition by an Embedded System for Monitoring and Analysing Multimodal Signals of Aliveness and Non-aliveness of Biological Objects

Authors:
Oliver Czepulowski
Stefan Weidemann
Anett Bailleu

Keywords: Multimodal sensor system; hardware fusion; additional tool for biometric application

Abstract:
The multimodal sensor system that is presented in this paper has been developed to measure and analyze typical information of biological objects. The heart of the system consists of a field of light emitting diodes combined with photodiodes. The light emitting diodes are characterized by several peak wavelengths in the visible and in the near infrared range. Primarily, these optoelectronic components have the function to measure the heart rate and the oxygen saturation of a person’s finger. Furthermore, the special arrangement of the optoelectronic components is implemented to measure the remission of diffuse reflectance from the depth of a few millimeters of the measurement object. A hardware fusion with ancillary sensors to measure the temperature, the bioimpedance and the humidity of the measurement object is realized, too. All sensor signals are measured with a high sample rate in the presented system.

Pages: 8 to 12

Copyright: Copyright (c) IARIA, 2019

Publication date: June 2, 2019

Published in: conference

ISSN: 2308-4383

ISBN: 978-1-61208-717-7

Location: Athens, Greece

Dates: from June 2, 2019 to June 6, 2019