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Definition[]

Nailbed identification technology is based on the distinct longitudinal, tongue-in-groove spatial arrangement of the epidermal structure directly beneath the fingernail. This structure is mimicked in the ridges on the outer surface of the nail.

Overview[]

When an interferometer is used to detect phase changes in back-scattered light shone on the fingernail, the distinct dimensions of the nailbed can be reconstructed and a one-dimensional map can be generated.

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