中文说明:同态滤波函数:使用频域处理方法的同态滤波函数,非高斯,巴特沃斯或指数型。对于较黑的图像效果更好
English Description:
Homomorphic filtering function: homomorphic filtering function using frequency domain processing method, non Gaussian, Butterworth or exponential. For the black image, the effect is better