Reconnection of Fingerprint Ridges Based on Morphological Operators and Multiscale Directional Information

Authors:
Marcelo de Almeida Oliveira;Neucimar Jeronimo Leite
Affiliations:
UNICAMP - State University of Campinas, Brazil;UNICAMP - State University of Campinas, Brazil
Venue:
SIBGRAPI '04 Proceedings of the Computer Graphics and Image Processing, XVII Brazilian Symposium
Year:
2004

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Abstract

In this paper, we introduce a multiscale operator which, together with some morphological tools, can be used to reconnect broken components of an image. This operator extracts the orientation field from the image components and can be applied to both binary and gray-scale pictures. Although we illustrate its application in the fingerprint domain, the approach described here can be easily extended to images whose components exhibit well-defined directional information.