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rs_imageprocess's Introduction

遥感数字图像处理

(大三上学期,喜提本科最高分) 基本内容就是数字图像处理+遥感应用(遥感图像读取,大气校正等) 主要依赖库:

  • OpenCV 4以上
  • Eigen 3

Problem X-y表示第X章的y小题

第五章

半经验C值实现地形校正

第六章 几何校正

使用SIFT特征点提取与匹配

二次多项式模型

重采样(最邻近插值,二次线性,双三次卷积等)

第七章 图像去噪

空间域

均值滤波/中值滤波

边缘保持的K邻近均值。中值滤波

频率域

傅里叶变换到频率空间

高斯低通滤波去高频降噪

去除周期性噪声

第八章

图像融合

  • PCA图像融合
  • Brovey图像融合
  • HSI图像融合

直方图操作

  • 直方图均衡化
  • 直方图匹配

边缘提取增强

  • 反锐化掩膜
  • 微分算子(Robert,Sobel,Laplace)
  • 灰度形态学梯度

频率域增强

  • 高通滤波
  • 同态滤波

第九章

图像分割

  • 大津法
  • 迭代阈值法

第十章

K-Means图像分类

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