介绍了图像的变换模型、图像匹配的三要素及图像匹配性能评价指标。分析常用匹配方法的优点和不足之处，探讨了图像匹配中有待进一步研究和解决的问题-Describes the image transformation model, the three elements of the image matching and image matching performance evaluation. Analysis of commonly used matching the strengths and weaknesses of the Department of the image matching to be further studied and resolved