计算机科学 ›› 2016, Vol. 43 ›› Issue (2): 148-154.doi: 10.11896/j.issn.1002-137X.2016.02.033
徐剑,李明洁,周福才,薛锐
XU Jian, LI Ming-jie, ZHOU Fu-cai and XUE Rui
摘要： 针对已有身份认证方法存在的问题,提出了一种基于用户鼠标行为的身份认证方法。首先,给出了基于用户鼠标行为的身份认证模型及其实体构成,之后采用层次化划分方法对用户鼠标行为进行了定义,同时给出了不同行为需要提取的特征值及对应的计算方法。采用随机森林分类器作为鼠标行为分类工具,以解决已有方案中存在的数据的过度拟合和数据噪声问题。在身份认证阶段,结合用户鼠标行为,采用层次结构的分类决策模型对用户身份进行认证。最后,对所提出的身份认证方法进行了实验分析,结果表明该方法具有较好的错误拒绝率和错误接受率。
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