Fit-sphere unwrapping and performance analysis of 3D fingerprints.

@article{Wang2010FitsphereUA,
  title={Fit-sphere unwrapping and performance analysis of 3D fingerprints.},
  author={Yongchang Wang and Daniel Leo Lau and Laurence G. Hassebrook},
  journal={Applied optics},
  year={2010},
  volume={49 4},
  pages={592-600}
}
To solve problems associated with conventional 2D fingerprint acquisition processes including skin deformations and print smearing, we developed a noncontact 3D fingerprint scanner employing structured light illumination that, in order to be backwards compatible with existing 2D fingerprint recognition systems, requires a method of unwrapping the 3D scans into 2D equivalent prints. For the latter purpose of virtually flattening a 3D print, this paper introduces a fit-sphere unwrapping algorithm… CONTINUE READING
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