A geometric transformation to protect minutiae-based fingerprint templates

Yagiz Sutcu, Husrev T. Sencar, Nasir Memon

Research output: Chapter in Book/Report/Conference proceedingConference contribution


The increasing use of biometrics in different environments presents new challenges. Most importantly, biometric data are irreplaceable. Therefore, storing biometric templates, which is unique to individual user, entails significant security risks. In this paper, we propose a geometric transformation for securing the minutiae based fingerprint templates. The proposed scheme employs a robust one-way transformation that maps geometrical configuration of the minutiae points into a fixed-length code vector. This representation enables efficient alignment and reliable matching. Experiments are conducted by applying the proposed method on a synthetically generated minutiae point sets. Preliminary results show that the proposed scheme provides a simple and effective solution to the template security problem of the minutiae based fingerprint.

Original languageEnglish (US)
Title of host publicationBiometric Technology for Human Identification IV
StatePublished - 2007
EventBiometric Technology for Human Identification IV - Orlando, FL, United States
Duration: Apr 9 2007Apr 10 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


OtherBiometric Technology for Human Identification IV
Country/TerritoryUnited States
CityOrlando, FL


  • Biometrics
  • Fingerprints
  • Minutiae
  • Template security

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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