采用3种图像融合的方法，HIS变换融合、高通滤波融合、Brovey变换算法实现了影像融合,并选择均值、熵、偏差和相关系数4个定量指标,对采用3种融合方法得到的影像进行了评价-Three kinds of image fusion method, the HIS transform fusion, high-pass filter fusion of Brovey transform algorithm for image fusion, and select the mean, entropy,