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摘要: 提出了一种简单易行的虹膜定位算法,该算法是在对虹膜粗略处理的基础上,对内边界的采用了向坐标轴投影的方法;对于外边界采用了寻找扫描线上信息量最小的点,并用相应的匹配模板进行匹配,以便去掉由于噪声的干扰而找到的错误点,从而确定外边界和中心;实验证明了该算法的合理性。