Geometric-Aligned Cancelable Fingerprint Templates

Authors:
Bian Yang;Christoph Busch;Mohammad Derawi;Patrick Bours;Davrondzhon Gafurov
Affiliations:
Norwegian Information Security Laboratory at Gjøvik University College, Gjøvik, Norway N-2815;Norwegian Information Security Laboratory at Gjøvik University College, Gjøvik, Norway N-2815;Informatics and Mathematical Modelling at Technical University of Denmark, Kongens Lyngby, Denmark DK-2800;Norwegian Information Security Laboratory at Gjøvik University College, Gjøvik, Norway N-2815;Norwegian Information Security Laboratory at Gjøvik University College, Gjøvik, Norway N-2815
Venue:
ICIAP '09 Proceedings of the 15th International Conference on Image Analysis and Processing
Year:
2009

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Abstract

A minutiae encryption algorithm based on geometric transformation of minutiae positions is proposed to generate cancelable fingerprint templates. A geometric transformation is used for alignment. A parameter-controlled minutiae encryption is performed within a local area to generate a cancelable minutiae template, and then all local encryption results are superimposed to form a protected template. Parameters to control the minutiae encryption are generated independent of the geometric-aligned minutiae, which ensures solid non-invertibility compared to those cancelable template generating algorithms with to-be-encrypted minutiae information as parameters.