频域滤波：要进行频域的图像增强，滤波是非常重要的，常用平滑、锐化和同态三种滤波器-Frequency-domain filtering: To carry out frequency domain, image enhancement, filtering is very important, often smooth, sharpen, and three kinds of filters with the state of

数字图像频域中滤波演示小程序+包括各种滤波器+还可以调节滤波器的大小阶数等.-Frequency domain filtering digital image presentation applet++ include a variety of filters can also adjust the size of the order of such filters.

数字图像处理，实现频域滤波功能，可公初学者参考-Digital image processing, and frequency domain filtering, you can refer to the public for beginners