In this paper, the expression of the geometric distortion after the along-track motion compensation is derived. Then a method is presented for geometric distortion correction.
对沿航向运动补偿后的几何形变量进行了推导，提出一种校正沿航向运动补偿后几何形变的方法。
Geometric correction, is to remove the geometric distortion of remote sensing images, is an important pre-processing in the application of remote sensing image.
几何校正，就是清除遥感图像中的几何变形，是遥感影像应用的一项重要的前期处理工作。
So it is necessary to correct such images. In this paper I consider the causes of the geometric distortion in X-ray images, and apply the camera calibration into the X-ray image correction.
然而一般的X射线仪采集到的图像都存在几何畸变，引起分析过程中的误差，因此有必要对从X射线仪获取的图像进行几何校正。
Watermark information is extracted by obtaining features with color image RGB, estimating geometric parameters for color image correction geometric distortion.
该算法利用彩色图像rgb提取特征点，估计几何参数校正几何攻击的彩色图像，从而提取受攻击的水印信息。
Based on the study of the model of geometric distortion, a correction method due to the linearity of crossing points in the image of grids were also advanced, which gained an ideal correction result.
在研究几何畸变模型的基础上，给出了一种基于网格点拟合直线误差的几何畸变校正方法，达到了很好的校正效果。
Based on the study of the model of geometric distortion, a correction method due to the linearity of crossing points in the image of grids were also advanced, which gained an ideal correction result.
在研究几何畸变模型的基础上，给出了一种基于网格点拟合直线误差的几何畸变校正方法，达到了很好的校正效果。
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