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基于OpenCV 和 GDAL 的遥感影像配准方法

  1. GDAL 读取多波段遥感影像转换成OpenCV可以识别的三波段和单波段影像。
  2. Opencv计算SIFT特征点和描述子。
  3. 通过NN/SNN 初步筛选特征点。
  4. RANSAC算法对初始关键点对进行精确匹配，剔除错误的匹配点。
  5. 通过特定大小的滑动窗口选择特征点，使特征点均匀分布。
  6. 将互相匹配的特征点转换成GCPList。
  7. 使用GCPWarp对待配准遥感影像进行Warp，并输出遥感影像。

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