中文说明：这是在频域中的简单的带通滤波器。您可以通过定义的截止频率筛选数字图像。图像是灰度形式的 mst。你应该考虑重新归一化频率.最低 50 字母连击。详细的说明将得到你更多的 CF 硬币
English Description：
This is a simple band pass filter in the frequency domain. You can filter digital images by defining the cutoff frequencies. The image mst be in gray scale form. You should consider the re req for normalization in frequency. Minimum 50 letters. Detailed description will get your more CF coins