空间滤波。光学联合变化相关识别实验。图像相关识别的目的是从一些图像中找其中是否含有某一特定图像。图像识别在许多方面有重要应用价值。-Spatial filtering.Optical joint changes related to recognition experiment.The purpose of image correlation recognition　some images to find whether contains a specific image.Image recognition has important application value in many ways.