Fingerprint biometrics get a 3D upgrade from digital holographic imaging

At a microscopic level, a fingerprint is like a mountain range; so is its forensic biometric mark, which is made of oil accumulated in ridges that have depth and fine detail beyond what a standard 2D fingermark reveals – even if those ridges are only microns high.

Professor Partha Banerjee, director of the Holography and Metamaterials Laboratory at the University of Dayton, believes that with only two dimensions to a fingerprint, too much is missing from the complete biometric …

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