通常的光电检测系统是根据光的强度差别来区分目标的,但当强度差别不明显时或目标所处的背景很杂乱时,用强度来区分目标是非常困难的.在文中,提出利用光的另一个基本特征-偏振特性来区分场景中的目标,可以克服由于强度差过小带来的目标检测上的困难.经过实验表明,利用光学偏振特征的成像传感器所获得的图像使得目标检测大大简化.
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