对最小二乘影像匹配算法实现，并结合实 现过程中出现的问题提出了值得注意的关键点，最后通过实验效果显示算法实现的效果及匹配精度。-Least-squares algorithm for image matching, and made a key point to note combined with problems arising in the course of realization, and the effect of matching algorithm accuracy of t