Systèmes biométriques pour la vérification d'individu. Un exemple : l'iris Biometric systems for access granting An example : Iris recognition

and key words Biometrics refers to technologies for measuring and analysing human body characteristics in person authentication applications. The computational power available in today’s computer and embedded systems (e.g. mobile phones, l aptop and personal digital assistant) allows the biometrics market to grow with the aim of replacing PIN codes or taped password in control access. Among the different biometric technologies that have emerged in the last decade, automatic iris verification systems are recognised as the most reliable. This paper presents firstly a new iris verification algorithm based on the concept of Emergent Frequency Demodulation (EMD). The emergent frequency information is related to the Hilbert transform and it is used to extract discriminative features from iris texture. This is followed by a software implementation of the proposed EMD-based iris images processing on ARM920T core-module which demonstrates the feasibility of embedding the iris technology on future multimedia mobile platform. Biometrics, iris recognition, hardware platform.

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