Many problems are subsistent in infrared dim target detection and tracking, i.e.,dim targets have a small spatial extent and weakened morphological features;

• 本论文着重研究海空背景下的红外图像的增强及弱小目标的实时检测。 弱小目标检测主要存在以下困难:弱小目标面积小,形态特征弱,细节特征大部分丧失;