中文说明：图像频率域滤波程序，课程设计作业，优秀，完全自主开发，包含搞通滤波、低通滤波、带通滤波以及方向滤波。含ＧＵＩ
English Description：
Image frequency domain filtering program, course design homework, excellent, completely self-developed, including through filtering, low-pass filtering, band-pass filtering and directional filtering. GUI included