一阶矩和二阶矩。

Primary and Secondary Moments.

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利用像素邻域的三阶中心矩，可以提取图像边界。

Image edge is detected by the third central moment of its immediate pixel neighborhood.

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利用像素邻域的三阶中心矩，可以提取图像边界。

Image edge is detected by the third central moment of its immediate pixel neighborhood.

youdao