and fingerprint classification

基本解释

The direction information in fingerprint images is very useful for fingerprint preprocessing , classification and matching.
指纹图像的方向信息对指纹的预处理、分类及匹配有着重要的作用。
A fast point pattern matching algorithm based on core and delta information obtained from fingerprint classification is achieved.
提出一种基于基线和中心点的电场模型，用于估计指纹方向场。
The first chapter is introduction, mainly discussed the fingerprint identification technology and summarized the problem of the fingerprint classification and the fingerprint thinning.
全文共分四章，第一章是绪论部分，主要是指纹识别技术介绍和指纹分类、指纹细化综述。