:对传统SIFT算法从特征点提取时间和匹配精度上进行了优化,基于优化算法提取的特征点对构建 三角网进行小面元微分纠正配准。试验结果表明,该方法是一种有效的遥感影像自动配准方法。 -: SIFT algorithm from the traditional feature extraction time and matching accuracy, and the optimization, optimization algorithm based on the extracted fea