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。
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。
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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