Image edge is detected by the third centralmoment of its immediate pixel neighborhood.
利用像素邻域的三阶中心矩,可以提取图像边界。
2
The technical definition of variance is the random variable's second centralmoment, the weighted average of the square of the differences from the expected value.
3方差的专业定义是随机变量的二次中心矩,与期望值之差的平方的加权平均值。
3
According to the equation of chromatographic dynamics, we can get the second centralmoment and the third centralmoment of elution curve of HPLC under linear nonideal conditions.