基于滤波器组的遥感图像融合方法及其性能分析研究  

IMAGE FUSION ALGORITHM BASED ON FILTERS BANKS AND PERFORMANCE STUDY FOR REMOTING SENSING APPLICATION

作　　者：王宏[1] 敬忠良[1] 李建勋[1] 

机构地区：[1]上海交通大学航空航天信息与控制研究所,上海200030

出　　处：《红外与毫米波学报》2004年第3期164-168,共5页Journal of Infrared and Millimeter Waves

基　　金：国家自然科学基金项目 ( 60 3 75 0 0 8);国家 863计划项目 ( 2 0 0 1AA13 5 0 91);上海市科技发展基金重大项目 ( 0 2DZ15 0 0 1)

摘　　要：提出了一种基于滤波器组的图像融合方法 ,用以融合高空间分辨率全色图像和低空间分辨率的多光谱图像 .在高空间分辨率全色图像经过多通道滤波器组分解的基础上 ,用多光谱图像直接替换全色图像低频子图像的方式进行融合处理 ;最后对替代后的子图像进行滤波器组重构得到融合后的图像 .实验结果表明 ,通过调整滤波器组的通道个数 。An image fusion method was proposed based on the filter banks for merging a high - resolution panchromatic image with a low-resolution multispectral image. The panchromatic image was first decomposed into sub-images by using analysis filters and then the low-frequency sub-image of the panchromatic image was directly substituted by the multispectral image to merge a high - resolution panchromatic image with a low-resolution multispectral image. Finally, the fused image was reconstructed by using the synthesis filters. Experimental results indicate that the proposed approach can obtain the better trade-off between the spectral information of low- resolution multispectral sensor and the spatial proper-ties of high-resolution panchromatic sensor by adjusting the channel number.

关 键 词：滤波器组 遥感图像融合法 空间分辨率 图像识别 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]