In order to meet the instant need of individual identification

the whole project of an automatic fingerprint identification system based on oriented filtering and segmentation is presented. The project is mainly divided into two parts that are fingerprint image preprocessing and fingerprint recognition. It includes calculation and smoothness of directional image

oriented filtering

binarization

noise cleaning

feature extraction

feature coding and matching. By the methods of preprocessing

feature coding and fingerprint matching presented in this paper

the fingerprint image is effectively enhanced

moreover

during the course of fingerprint matching

certain influence of fingerprint rotation and moving can be avoided. The system has a high rate of fingerprint recognition and a strong ability to resist image noises. In addition

it is proved to be high effective in recognizing damaged or blurry fingerprint images. The system is high valuable in practice.