According to the symmetry of the triangle window function and the recurrence relations of triangle filter, the practical algorithm of the approximated Gaussian filter is obtained.
根据三角窗函数的对称性和三角滤波器的递归性，给出了高斯滤波器的实用逼近算法。
According to the symmetry of the triangle window function and the recurrence relations of triangle filter, the practical algorithm of the approximated Gaussian filter is obtained.
根据三角窗函数的对称性和三角滤波器的递归性，给出了高斯滤波器的实用逼近算法。
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