By analyzing the characteristics of the function's once and quadratic differential coefficient's image, a new algorithm of images' edge sharpening which contains weights.

通过分析函数的一阶导数与二阶导数图像的特征，提出了一种含有权值的图像边缘锐化的新算法。

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Experiments specify that we can get the accurate edge trace and the equations fitted from the collecting data through edge sharpening and detection of image processing technique.

实验结果表明，采用图像处理技术是可以将一个采集来的图像经过边缘锐化和边缘检测形成比较清晰的轨迹，能够拟合出比较精确的方程。

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In the process of pretreatment, noise lowering and edge sharpening of images is realized with average filtering waves operator to. enhance the image quality.

图像预处理采用平均滤波算子图像去噪、边界锐化以提高图像质量。

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