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Fingerprint Detection and Analysis Using Talbot Interferometry

  • Jitendra Dhanotia
  • Litesh Bopche
  • Vimal Bhatia
  • Shashi PrakashEmail author
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 194)

Abstract

In the present communication, a full field technique for mapping latent fingerprint using Talbot interferometry has been proposed. Collimated light from He–Ne laser illuminates a specimen comprising of a fingerprint implanted onto a reflecting surface. Reflected light carries information regarding the depth and orientation of furrows and ridges in the fingerprint. The topological information of the fingerprint is retrieved using phase shifting interferometric technique. The slope of the phase provides the information regarding variation in ridges of latent fingerprint. The proposed technique does not require any kind of chemical or physical treatment.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  • Jitendra Dhanotia
    • 1
  • Litesh Bopche
    • 2
  • Vimal Bhatia
    • 1
  • Shashi Prakash
    • 2
    Email author
  1. 1.Signals and Software Group, Discipline of Electrical EngineeringIndian Institute of Technology IndoreIndoreIndia
  2. 2.Photonics Laboratory, Institute of Engineering & TechnologyDevi Ahilya UniversityIndoreIndia

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