The traditional optical encryption methods are classified into two kinds, one is based on the joint transform correlator, the second is based on the matched filter.
传统的光学加密方法分为两类,一种是基于联合变换相关器的加密方法,第二种是基于。
Opto-electronic joint transform correlator has real-time ability for processing optical images, so it can be used in scene matching system.
光电联合变换相关器具有实时处理光学图像能力,因此可用于景像匹配系统。
Optical joint transform correlation can recognize automatically, overcome the drawback of filter-based correlator, and it is suitable for real-time processing, can achieve better recognition result.
克服了经典的匹配滤波相关存在大的相关旁瓣、很大的相关带宽和低的光效率等缺点。
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