A new way of generating grid-scroll chaos and its application to biometric encryption

Han, F, Yu, X and Hu, J 2005, 'A new way of generating grid-scroll chaos and its application to biometric encryption', in L. Franquelo et al. (ed.) The 31st Annual Conference of the IEEE Industrial Electronics Society, Raleigh, NC, 6-10 November 2005.


Document type: Conference Paper
Collection: Conference Papers

Title A new way of generating grid-scroll chaos and its application to biometric encryption
Author(s) Han, F
Yu, X
Hu, J
Year 2005
Conference name The 31st Annual Conference of the IEEE Industrial Electronics Society
Conference location Raleigh, NC
Conference dates 6-10 November 2005
Proceedings title The 31st Annual Conference of the IEEE Industrial Electronics Society
Editor(s) L. Franquelo et al.
Publisher IEEE
Place of publication Piscataway, USA
Abstract A new circuit design is proposed for generating grid-scroll chaos in the phase plane by using a second-order linear system with a control of double-hysteresis series. The double-hysteresis series is constructed in a systematic way by using the basic double-hysteresis building blocks. With the proposed scheme, the number of scrolls can be arbitrarily assigned, and the multi-scroll chaotic attractors can be placed anywhere and can cover any chosen area in the phase plane. The grid-scroll chaotic attractor is applied to biometric (fingerprint image) authentication. In this application, a two-dimensional (2D) discrete chaotic image is created from these grid-scroll chaotic attractors. Some of the parameters of the 2D chaotic image are extracted from the stable global structure of fingerprint image, and used to derive the encryption key at a terminal. Decryption, minutiae extraction and matching are fulfilled at the central server.
Subjects Communications Technologies not elsewhere classified
DOI - identifier 10.1109/IECON.2005.1568879
Copyright notice ©2005 IEEE
ISBN 0-7803-9252-3
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