本文主要介绍了常用的遥感图像算法，然后从数学角度分析融合图像产生光谱失真的原因，并探讨融合图像在空间分辨率增强与光谱信息保持二者之间的关系，最后针对多光谱图像的成像特性，分别提出了基于区域特性的多光谱与全色图像的融合算法及SAR与全色图像的融合算法，并且介绍了基于区域特性的遥感图像融合最新动态及其发展趋势。-This paper describes the algorithm used for remote sensing image, and then fused image from a mathematical point of view of the cause of spectral distortion, and to explore the spatial resolution of the fused image enhancement and spectral information to maintain the relationship between the two, the last imaging for multi-spectral image characteristics, respectively, based on region features multi-spectral and panchromatic image fusion algorithms and SAR and panchromatic image fusion algorithm, and describes the characteristics of remote sensing image based on regional integration and the latest trends.