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Odor-based individual authentication
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AI
DOI：10.1039/D5CC02465J.png)
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Abstract
En 中文
In response to growing demands for secure and user-friendly individual authentication methods; biometric technologies have seen widespread adoption; offering advantages over traditional password- or card-based systems. While current biometric systems primarily rely on physical traits such as fingerprints and facial structures; these modalities remain susceptible to theft and duplication. Human odor; composed of complex volatile organic compound (VOC) profiles unique to each individual; is a promising alternative based on chemical information that is inherently more difficult to forge. This review article presents a comprehensive overview of human odor-based individual authentication; focusing on skin and breath odors; which can be easily and noninvasively collected. We examine the origins and characteristics of human odor components and review measurement techniques; including the canine olfactory systems; gas chromatography-mass spectrometry (GC-MS); and gas sensor arrays. Furthermore; we discuss key challenges and potential solutions for implementing odor-based authentication systems; underscoring their promise for secure; noninvasive personal identification.
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4.2
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5.9W
Citations:
16.5W
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