In the aspect of preprocessing, an easy segmentation method is implemented through the analysis of fingerprint images from OV1720 CMOS and the histogram of the images.

• 在预处理方面,通过对OV1720 CMOS 采集得到的指纹图像的分析,结合图像直方图信息,实现了一种指纹图像的简单分割方法;