A Multi-model Biometric Image Acquisition System

Iris and face are two very popular biometrics features used for personal identification, and to acquire images of good quality is vital to assure the reliability of the recognition. It is especially challenging to acquire good-quality iris images in real time. We propose an innovative iris acquisition system to tackle some of the major difficulties in practice. The proposed multi-mode biometrics image acquisition (MMIA) system uses a single camera to capture the whole face image of the user, and then extracts the iris images. Thus it is able to provide images for both face and iris recognition. Meanwhile, in comparison to some commercial systems, MMIA system increased the working distance and capture volume, greatly reduces the user cooperation. Experiments show that MMIA provides satisfactory image quality and very quick corresponding speed.

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