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A Biometric Identification for Multi-Modal Biomedical Signals in Geriatric Care. | LitMetric

A Biometric Identification for Multi-Modal Biomedical Signals in Geriatric Care.

Sensors (Basel)

School of Automation and Information Engineering, Sichuan University of Science and Engineering, Zigong 643000, China.

Published: October 2024

With the acceleration of global population aging, the elderly have an increasing demand for home care and nursing institutions, and the significance of health prevention and management of the elderly has become increasingly prominent. In this context, we propose a biometric recognition method for multi-modal biomedical signals. This article focuses on three key signals that can be picked up by wearable devices: ECG, PPG, and breath (RESP). The RESP signal is introduced into the existing two-mode signal identification for multi-mode identification. Firstly, the features of the signal in the time-frequency domain are extracted. To represent deep features in a low-dimensional feature space and expedite authentication tasks, PCA and LDA are employed for dimensionality reduction. MCCA is used for feature fusion, and SVM is used for identification. The accuracy and performance of the system were evaluated using both public data sets and self-collected data sets, with an accuracy of more than 99.5%. The experimental data fully show that this method significantly improves the accuracy of identity recognition. In the future, combined with the signal monitoring function of wearable devices, it can quickly identify individual elderly people with abnormal conditions, provide safer and more efficient medical services for the elderly, and relieve the pressure on medical resources.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11511392PMC
http://dx.doi.org/10.3390/s24206558DOI Listing

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