The correction of camera optics distortion and sub-pixel method for image processing can reduce the error of target image orientation for the precision improvement of system measuring.
摄像机光学畸变的修正以及图像处理的亚像素定位方法，减小了目标图像的定位误差，提高了系统的测量和调整的精度。
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。
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。
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