图像配准就是将不同时间、不同传感器(成像设备)或不同条件下(天候、照度、摄像位置和角度等)获取的两幅或多幅图像进行匹配、叠加的过程，它已经被广泛地应用于遥感数据分析、计算机视觉、图像处理等领域。-Image registration is the different time, different sensors (imaging equipment), or under different conditions (weather, illumination, camera position and angle, etc.) for the two or more images to match the overlay process, it has been widely used on remote sensing data analysis, computer vision, image processing and other fields.