The method USES the model of radial nonlinear distortion with the symmetry of optical axis to obtain correction coefficients of the optical lens, and then corrects the distortion image.
该方法利用与光轴对称的径向畸变数学模型求出光学镜头的校正系数，对畸变图像进行校正。
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。
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。
And a satisfactory effect of fisheye image distortion correction is ultimately achieved by applying spherical coordinate orientation approach based on scans line approach.
在此基础上，采用球面坐标定位校正方法进行图像扭曲变形校正，取得了较好的图像校正效果。
Accurate measurement of geometrical distortion of image display system with wide-angle objective lens is the precondition and key of digital distortion correction.
准确地测量含有广角耦合物镜的图像显示系统的几何畸变是实现图像显示系统几何畸变数字校正的前提和关键。
Through transforming pixels in the image, this paper adopts L multinomial address correction to realize barrel distortion correction of images.
桶形失真直接影响了对图像的分析理解，为了得到比较完好的图像，对拍摄到的图像进行几何校正是十分必要的。
Lastly, the method of concentric calibration is designed to realize image distortion correction.
最后采用同心圆现场标定的方法实现了图像的畸变校正。
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。
After the correction, the distortion of image display system is less than 0.4%. This result can meet the needs of the positioning and probability of the missile's scene matching guidance system.
校正后，图像显示系统的畸变小于0.4%，完全能够满足导弹景象匹配系统定位误差及定位概率的检测要求。
Then the spatial distortion of another measured image was corrected according to this relation and the correction results were evaluated.
通过修正，由“桶形”畸变所造成的图像扭曲得到明显改善。
With fast development of the digital image processing technology, it is prevalent for distortion correction with digital image correction methods.
随着数字图像处理技术的飞速发展，采用数字图像校正技术进行畸变校正已逐渐盛行。
And the effect of the image distortion center bias and scale factor ratio offset on image correction quality is discussed.
并对图像的畸变中心和纵横比例因子对校正的影响做了探讨。
The Planar is the foundation for a variety of Carl Zeiss high-performance lenses with impressive color correction, speed, image flatness and low image distortion.
普兰那结构式霰弹许多卡尔·蔡司高素质镜头的基础，有着高色差纠正、大光圈、像场平和低色散的优势。
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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