期刊
JOURNAL OF SOUND AND VIBRATION
卷 568, 期 -, 页码 -出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2023.118055
关键词
Frequency response function; Human body vibration; Finger vibration; Biometric recognition; Biodynamics; Feature extraction; Support vector machine; Machine learning
A new biometric recognition method using the vibration responses of human fingers for personal identification is proposed. Experimental analyses were conducted to measure the frequency response functions of individuals' fingers and a biodynamic lumped system model was constructed. The most effective set of frequency bins were extracted and utilized with a support vector machine for classification. The results showed a maximum accuracy of 99%, confirming the feasibility of using this method for person recognition.
A novel biometric recognition method is presented for future personal devices, utilizing the frequency responses of the human body, especially the fingers, for personal identification. A series of experimental vibration modal analyses were conducted to measure the frequency response functions (FRFs) of individuals' fingers. In addition, a biodynamic lumped system model was constructed for the major components of a finger, including phalanges, joints, and skin. Analytical FRFs were then computed for a comparative study with the measured FRFs. In the person identification process, we employed an effective feature extraction method based on the correlation coefficient between frequency bins of the measured FRFs to extract the most effective set of frequency bins from the entire FRF spectrum. These extracted features were utilized to train a support vector machine for classifying individuals. In a controlled experimental setup, the classification results showed a maximum accuracy of 99%, affirming the feasibility of using the vibration responses of human fingers as a novel biometric method for person recognition.
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