The clear edge of the binary result by edge detect and improving morphologic edge enhancement method is gotten.The results show that it is a valid and practical image binarization method.

• 结合边缘检测、自适应形态学边缘增强方法对图像进行处理，使得二值化结果有效地保留红外图像的边界特征，试验结果证明该方法是一种有效、实用的图像二值化方法。