我们知道早期的身份证明是保护这些无助儿童的关键，所以我们已经有了一套方法，可以帮助前线工作人员识别那些有风险的儿童。
We know that early identification is the key to protecting these vulnerable children and we have produced a toolkit to help front line staff to identify those at risk.
实验证明，用该方法可以快速、有效地鉴定序列虹膜图像的质量，提高该身份识别系统的工作效率。
The experiment results show that this method is fast and effective in evaluation of serial iris images and it also improves the efficiency of the iris recognition system.
本文提出了一种可以证明安全性的身份识别方案，只包含一次模指数运算，其在线计算只需要一次乘法和一次加法。
There is only one exponent calculation in our scheme and the on-line computing is just a one multiplication together with one addition.
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