Abstract
Iris image acquisition is a key step in the iris recognition. Usually most of current systems have a short working volume and users need to cooperate in the specific range, which limits the system application. In this paper, we designed an embedded self-adaptive iris image acquisition system using a single camera with a large working volume. It can capture the user’s iris in the distance from 0.3 meter to 1.1 meter. A variable zoom camera is co-located in a pan-tilt-unit (PTU) for face detection and iris image acquisition. Combining the face detection and eye location, the system can center and zoom the camera for eyes. The micro controller unit (MCU) controls the peripheral components including PTU, camera, distance sensor, etc. The DSP is used to realize the algorithm and communicate with MCU. Experimental results show the proposed system can capture high-quality iris images efficiently.
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Gan, C., He, Y., Li, J., Ren, H., Wang, J. (2013). An Embedded Self-adaptive Iris Image Acquisition System in a Large Working Volume. In: Sun, Z., Shan, S., Yang, G., Zhou, J., Wang, Y., Yin, Y. (eds) Biometric Recognition. CCBR 2013. Lecture Notes in Computer Science, vol 8232. Springer, Cham. https://doi.org/10.1007/978-3-319-02961-0_45
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DOI: https://doi.org/10.1007/978-3-319-02961-0_45
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-02960-3
Online ISBN: 978-3-319-02961-0
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