Abstract
Biometrics relies on the inherent characteristics of human biology or behavior for authentication. As a burgeoning non-invasive technology, bio-impedance spectroscopy (BIS) technology is mainly used in medical diagnosis. However, its ability to distinguish different people has not yet been exploited. This paper proposes a new biometric identification method based on palm BIS measurement. A palm BIS measurement system based on integrated impedance converter AD5933 was built and measurement experiments on 50 subjects were carried out. Preliminary recognition test based on Euclidean distance (ED) method and absolute distance (AD) method was performed and the recognition accuracy is 74% for ED method and 86% for AD method. This research demonstrates for the first time that there is a possibility of a new biometrics identification method based on palm BIS measurement and is worthy of further research.
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