Only keeping the local maxima, the Gaussian function is used to fit the wavelet coefficients directly, then inverse wavelet translation is used to reconstruct signal.

• 在只保留这些局部模极大值(即边缘)点信息的条件下，利用高斯函数直接拟合各级小波系数，然后再作小波逆变换就可恢复原信号。