... 最小均方误差滤波-维纳滤波(Minimum Mean Square Error 几何失真校正(Geometric Distortion Correction) 空间变换(Spatial Transformation) ...
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梯形失真;几何校正 Trapezoidal distortion, Geometric Rectification
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首先,本论文通过分析平行束CT系统的理想成像关系,提出了一种适用于平行束CT系统几何失真校正的方法。
The main work can be summarized as follows: Firstly, by analyzing the ideal geometric relation in parallel CT system, the thesis presents a calibration method of geometric misalignment.
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。
Through transforming pixels in the image, this paper adopts L multinomial address correction to realize barrel distortion correction of images.
实验证明,算法性能稳定、校正精度高、可以有效地校正大强度几何失真。
The experiments have demonstrated that this schema has stable performance, sound correction$…
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