【摘要】 指纹识别技术是通过计算机来实现身份识别的一种手段,在生物识别技术中占有非常重要的地位。为了提高指纹识别系统的准确度和实时性,搭建了以光学器件傅里叶透镜和空间光调制为主的联合变换相关识别全息光学系统,记录相关图像的频谱,通过比较指纹图像的像素强度,从而实现实时指纹识别的目的。更多还原

【Abstract】 Fingerprints recognition,which is accomplished through computers,is an important biological identification technique.In order to improve the accuracy and instantaneity,we set up ajoint transform correlation holograph system that mainly consists of Fourier lens and a spatial light modulator.This system records the spectrum of the holographs and fingerprints can be recognized in real-time by comparing the pixel intensities.更多还原