中文说明：
基于matlab的指纹识别系统，采用基于细节点对比，输入图像必须是256×256，8－bit灰度值，500dip的指纹。
English Description：
The fingerprint identification system based on MATLAB adopts the method of detail point contrast, and the input image must be 256 × 256, 8-bit gray value, 500 dip fingerprint.