This paper analyzed the dealing process of distilling the fingerprint image FBI feature composed the point eigenvector and field eigenvector brought forward the twice-told fingerprint matching arithmetic based on the FBI feature and implement method .

文章分析了提取指纹图像FBI 细节 点的处理过程，构建了点特征向量和域特征向量，提出了 基于 FBI 细节 点 的 二 次指纹配准算法及实现方法。