在分析和研究了图像中非线性畸变的大小与图像像素多少之间的关系基础上，提出了定量表示图像中所含非线性畸变大小的方法。
A method that is used to expressing magnitude of the image nonlinear distortion is brought forward, after relation of the magnitudes of nonlinear distortion and the image pixels is studied.
第一项任务（也是最重要的任务）是计算图形的 比例因子，就是说在绘图时每单位的值在高度上要占用多少像素。
The first (and most important) task is to calculate the scaling factor for the graph. This is simply how many pixels in height each value will be worth when it is plotted.
第一项任务(也是最重要的任务)是计算图形的比例因子，就是说在绘图时每单位的值在高度上要占用多少像素。
The first (and most important) task is to calculate the scaling factor for the graph. This is simply how many pixels in height each value will be worth when it is plotted.
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