针对成像型反舰导弹所获红外图像的特点, 提出了一种将海天/ 海岸线检测与目标提取相结合的舰船目标提取方法。该方法先综合运用Sobel边缘检测和局部Hough变换等数字图像处理技术从红外图像中检测出海天/ 海岸线, 然后通过对Kapur 熵二值化图像进行投影变换实现舰船目标提取。-According to the features of the infrared image obtained by an imaging anti-ship missile, a method which combi