基于MBF200指纹图像预处理方法的研究

针对MBF200指纹图像的特点,提出一套指纹图像预处理方法。该方法对MBF200指纹图像的去噪、分割、中心点定位、Gabor滤波增强、二值化及细化等预处理步骤进行研究及实现。为了验证该方法的有效性,使用自行设计的MBF200指纹采集器对所获得的指纹图像进行试验。结果表明,所提出的指纹预处理方法对MBF200指纹图像的处理是行之有效的,有助于基于细节特征的指纹提取。

Research on Fingerprint Image Preprocessing Method Based on MBF200

With an aim at MBF200 fingerprint image characteristic,this paper proposes the one whole set fingerprint image preprocessing method.This method focus on the research and realization of the preprocessing step,such as denoising,segmentation,central point localization,Gabor filter enhancement,binarization and thinning etc.In order to confirm the validity of this method,the method is used to carry on the massive tests with fingerprint images by the secf-designed MBF200 semiconductor fingerprint gathering,in this laboratory independently.The experimental results show that the fingerprint preprocessing method to MBF200 fingerprint image is effective and helpful in distillation based on the detail characteristic fingerprint.