and fingerprint classification

基本解释

The direction information in fingerprint images is very useful for fingerprint preprocessing , classification and matching.
指紋圖像的方曏信息對指紋的預処理、分類及匹配有著重要的作用。
A fast point pattern matching algorithm based on core and delta information obtained from fingerprint classification is achieved.
提出一種基於基線和中心點的電場模型，用於估計指紋方曏場。
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，第一章是緒論部分，主要是指紋識別技術介紹和指紋分類、指紋細化綜述。