Abstract
Iris recognition is a high-precision biometric identification technology with the advantages of uniqueness, stability, non-invasive. Iris image's quality affect the performance of the recognition algorithms. The ease of use and robustness of the recognition system is also affected by the image acquisition method, so iris image acquisition plays an important role in the whole system. Based on the basic principles of iris image acquisition, this paper gives the current advances of the iris recognition system. Describes and analyzes the typical commercial products of iris image acquisition system, including the operating range, capture volume, illumination mode, etc.. According to the bottleneck of the current iris image acquisition and recognition system, major research issues in the area of iris image acquisition are presented and analyzed, such as the stand-off system, variety of illumination mode, etc. At last, gives the development trend and future work of the iris image acquisition system.
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