中文说明：指纹的细节提取。脊分叉被定义为脊分叉或分叉成分支脊的点。这些特征统称为细节特征。大多数指纹提取和匹配技术将特征集限制为两种类型的细节点：纹线端点和纹线分叉
English Description：
Minutuae Extraction of the finger print.A ridge bifurcation is defined as the point where a ridge forks or diverges into branch ridges. Collectively, these features are called minutiae. Most of the fingerprint extraction and matching techniques restrict the set of features to two types of minutiae: ridge endings and ridge bifurcations