因搜索空间太大，现有的车牌号码识别系统所采用的图象分割方法一般说来效率较低。
Generally speaking, the image segmentation method adopted in vehicle license plate recognition systems at present is not efficient due to its large search space.
利用二值化联合变换相关技术成功地设计了一个单空间光调制器、单ccd的光电混合实时指纹识别系统。
A real time fingerprint identification system using binary joint transform correlator with a single space light modulator and a single CCD has been developed successfully.
通常的识别系统只是执行了从输入数据空间到识别结果空间的单向映射，可以看作为一种开环识别系统；
The conventional recognition system may be regarded as an open loop recognition system, which only executes a mono-direction mapping from input data space to recognition result space.
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